Nokia Solutions and Networks WTPA-01 GSM 1900 Transceiver User Manual dn991444x3x0xen

Nokia Solutions and Networks GSM 1900 Transceiver dn991444x3x0xen

Product Desc

Nokia MetroSite EDGE Base StationDN991444 © Nokia Corporation Draft 1 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialProduct Description
Product Description2 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftThe information in this documentation is subject to change without notice and describes onlythe product defined in the introduction of this documentation. This documentation is intendedfor the use of Nokia's customers only for the purposes of the agreement under which thedocumentation is submitted, and no part of it may be reproduced or transmitted in any form ormeans without the prior written permission of Nokia. The documentation has been prepared tobe used by professional and properly trained personnel, and the customer assumes fullresponsibility when using it. Nokia welcomes customer comments as part of the process ofcontinuous development and improvement of the documentation.The information or statements given in this documentation concerning the suitability, capacity,or performance of the mentioned hardware or software products cannot be considered bindingbut shall be defined in the agreement made between Nokia and the customer. However, Nokiahas made all reasonable efforts to ensure that the instructions contained in the documentationare adequate and free of material errors and omissions. Nokia will, if necessary, explain issueswhich may not be covered by the documentation.Nokia's liability for any errors in the documentation is limited to the documentary correction oferrors. NOKIA WILL NOT BE RESPONSIBLE IN ANY EVENT FOR ERRORS IN THISDOCUMENTATION OR FOR ANY DAMAGES, INCIDENTAL OR CONSEQUENTIAL(INCLUDING MONETARY LOSSES), that might arise from the use of this documentation orthe information in it.This documentation and the product it describes are considered protected by copyrightaccording to the applicable laws.NOKIA logo is a registered trademark of Nokia Corporation.Other product names mentioned in this documentation may be trademarks of their respectivecompanies, and they are mentioned for identification purposes only.Copyright © Nokia Corporation 2002. All rights reserved.
DN991444 © Nokia Corporation Draft 3 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialHereby, Nokia Corporation, declares that this product is in compliance with theessential requirements and other relevant provisions of Directive: 1999/5/EC.The product is marked with the CE marking and Notified Body number according to theDirective 1999/5/EC.FCC FCC §15.21 - Information to user - This product is used as an intentional radiatedequipment and any changes or modifications on the equipment without any approvalby Nokia could void the user's authority to operate the equipment.FCC §15.105 - Information to user - This equipment has been tested and found tocomply with the limits for a Class B digital device, pursuant to part 15 of the FCCRules. These limits are designed to provide reasonable protection against harmfulinterference in a residential installation. This equipment generates, uses and canradiate radio frequency energy and, if not installed and used in accordance with theinstructions, may cause harmful interference to radio communications. However, thereis no guarantee that interference will not occur in a particular installation. If thisequipment does cause harmful interference to radio or television reception, which canbe determined by turning the equipment off and on, the user is encouraged to try tocorrect the interference by one or more of the following measures:• Reorient or relocate the receiving antenna.• Increase the separation between the equipment and receiver.• Connect the equipment into an outlet on a circuit different from that to which thereceiver is connected.• Consult the dealer or an experienced radio/TV technician for help.0523
Product Description4 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft
DN991444 © Nokia Corporation Draft 5 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialContentsContents 5List of tables 7List of figures 91 About this document 132 Introduction to the Nokia MetroSite EDGE Base Station 152.1 Base station system 152.2 Nokia MetroSite EDGE Base Station 163 Nokia MetroSite EDGE Base Station features 193.1 Building capacity with the Nokia MetroSite EDGE Base Station 193.1.1 Four TRX BTS with flexible sectoring and dual band operation 193.1.2 Chaining of Nokia MetroSite EDGE base stations 203.1.3 RF power and sensitivity for microcellular applications 213.1.4 Smooth capacity expansion 213.2 High network quality 213.2.1 Receiver diversity 213.2.2 Frequency hopping 223.2.3 Antenna solution 223.3 Telecommunication features 233.3.1 General Packet Radio Service (GPRS) 243.3.2 Enhanced General Packet Radio Service (EGPRS) 243.4 Easy and fast deployment 243.4.1 Installation 243.4.2 Commissioning with the Nokia MetroSite BTS Manager 253.5 Advanced operation and maintenance 273.5.1 Integration of TRX and base control functions (BCF) 273.5.2 BTS diagnostics, alarms and TRX test 273.5.3 Battery backup with Nokia MetroSite Battery Backup 283.5.4 Temperature control 284 Applications 314.1 Building capacity with the Nokia MetroSite EDGE Base Station 314.2 Transmission with the Nokia MetroSite EDGE Base Station 365 Nokia MetroSite EDGE Base Station related software 395.1 Nokia MetroSite EDGE Base Station software 395.2 Nokia MetroSite BTS Manager software 405.3 BTS software updates 416 General function, construction and units 436.1 Nokia MetroSite EDGE Base Station general function 436.1.1 Signalling between network, BTS and MS 436.1.2 Nokia MetroSite EDGE Base Station internal function 456.2 Cabinet (HVMC) and cover (HVCU, WCUA) 48
Product Description6 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft6.3 Transceiver unit (HVTxx and WTxx) 526.3.1 Baseband module 546.3.2 RF module 566.3.3 External interfaces 596.4 Interface unit (VIFA) 596.4.1 External interfaces 606.5 Transmission unit (VXEA, VXTx, VXRB) 636.5.1 Unit alternatives for radio link transmission 636.5.2 Unit alternatives for wireline transmission 646.6 Power supply unit (HVSx) 686.6.1 Power supply unit alternatives 686.6.2 Output voltages 686.6.3 Connector types 696.7 Fan unit (HVMF) 707 Unit alternatives and other delivery items 738 Technical specifications 758.1 Dimensions and weights of plug-in units 848.1.1 Transceiver unit 848.1.2 Interface unit 848.1.3 Transmission unit 858.1.4 Power supply unit 858.2 System requirements for Nokia MetroSite BTS Manager 858.3 Basic telecommunication features 868.4 International recommendations 878.4.1 Common standards 878.4.2 Electrical standards 878.4.3 Environment 908.4.4 Mechanical standards 918.4.5 Base station interface equipment - related recommendations andstandards 92Index 95
DN991444 © Nokia Corporation Draft 7 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialList of tablesTable 1. Power level ranges for the Nokia MetroSite EDGE Base Station 21Table 2. TRX interface connectors 59Table 3. Pin configuration of the LMP connector 61Table 4. Pin configuration of the Nokia Q1 connector 61Table 5. Pin configurations of the EAC connector 62Table 6. Pin configuration of a balanced TQ connector 65Table 7. Power supply unit alternatives 68Table 8. Power supply connector types 70Table 9. Cooling fans details 71Table 10. Transceiver unit alternatives 73Table 11. Nokia MetroSite EDGE Base Station unit alternatives and other deliveryitems 74Table 12. Common technical data 75Table 13. Specific technical data for the 5W GSM 900 TRX 76Table 14. Specific technical data for the 5W GSM 1800 TRX 77Table 15. Specific technical data for the 5W GSM 1900 TRX 78Table 16. Specific technical data for the 5W GSM/EDGE 800 TRX 78Table 17. Specific technical data for the 5W GSM/EDGE 900 TRX 79Table 18. Specific technical data for the 5W GSM/EDGE 1800 TRX 80Table 19. Specific technical data for the 5W GSM/EDGE 1900 TRX 81Table 20. HW interfaces of Nokia MetroSite EDGE Base Station 82Table 21. Transmission interfaces of Nokia MetroSite EDGE Base Station 83Table 22. Flexbus cable characteristics 83Table 23. Dimensions and weight of the TRX 84Table 24. Dimensions and weight of the interface unit 84Table 25. Dimensions and weight of the transmission unit 85Table 26. Dimensions and weight of the power supply unit 85Table 27. System requirements for Nokia MetroSite BTS Manager 86Table 28. Common standards 87
Product Description8 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftTable 29. Input voltage standards 87Table 30. Electrical safety standards 88Table 31. Product specific EMC standards 88Table 32. Basic EMC standards based on d-ETS 300 342-3:1997 89Table 33. Additional EMC standards 90Table 34. Environmental standards 91Table 35. Mechanical standards 92Table 36. Flexbus interface 92Table 37. 2048 Kbit/s E1 interface 93Table 38. 1544 Kbit/s T1 interface 94
DN991444 © Nokia Corporation Draft 9 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialList of figuresFigure 1. Base station system (BSS) 16Figure 2. Nokia MetroSite - an ideal solution for dense, urban environment 17Figure 3. Nokia MetroSite BTS Manager Commissioning Wizard 26Figure 4. Temperature management diagram 28Figure 5. Roadside coverage with the Nokia MetroSite EDGE Base Station 31Figure 6. Microcells built with the Nokia MetroSite EDGE Base Station 32Figure 7. Four TRXs in one sector, single band configuration 33Figure 8. (1+1)/(1+1) dual band configuration 34Figure 9. 2+2 dual band configuration 35Figure 10. Examples of transmission connections 37Figure 11. Nokia MetroSite BTS Manager desktop 41Figure 12. General principle of signalling between network, BTS and mobilestation 44Figure 13. Nokia MetroSite EDGE Base Station block diagram 46Figure 14. Power distribution in the Nokia MetroSite EDGE Base Station 48Figure 15. Dimensions of the Nokia MetroSite EDGE Base Station 50Figure 16. Arrangement of units 52Figure 17. Transceiver unit 53Figure 18. Block diagram of a Nokia MetroSite TRX 54Figure 19. Block diagram of the baseband module 55Figure 20. Block diagram of the RF module 57Figure 21. Interface unit of the Nokia MetroSite EDGE Base Station 60Figure 22. Pin order of the LMP connector 60Figure 23. Pin order of the Q1 connector 61Figure 24. Pin order of the EAC connector 62Figure 25. Radio link transmission unit alternatives 64Figure 26. Pin order of a balanced TQ connector 65Figure 27. Wireline transmission unit alternatives 67Figure 28. Power supply unit 69
Product Description10 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftFigure 29. Fan unit 71
DN991444 © Nokia Corporation Draft 11 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialSummary of changesVersion 1, 12 November 1999.Version 2, 22 June 2000:• Added GSM to title and to body text• Changed max. power to 5 W (Chapter 3.1.2)• Added 5W TRX options (Chapter 6.3)• Changed height of BTS (Figure 14, Table 8, and Table 9)• Changed BBU backup time to 1hr (Chapter 3.5.3)• Added power alternatives (Table 6). Added HVMF fan to Chapter 6.7• Expanded Chapter 7 to include 5W TRXs (new Table 7)• Added 5W TRX BTS power demand in Table 8• Included 5 W power (Tables 12, 13, and 14)Version 3 update, 7 March 2001:• Revised throughout to include EDGE and to remove 1W TRXs. Commentsfrom this document’s technical review of 1 February 2001 incorporated.Version 3 update, July 2002:• Chaining feature and EGPRS descriptions added.• 800 MHz TRX, NEBS cover (WCUA), +24 VDC power supply unitadded.
Product Description12 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft
About this documentDN991444 © Nokia Corporation Draft 13 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialNote1About this documentThis document describes the hardware, software, and functions of the NokiaMetroSiteTM EDGE Base Station (BTS), including the 5W GSM TRX and 5WGSM/EDGE TRX variants. Use this document as a reference for the followinginformation:• Nokia MetroSite EDGE Base Station features• Nokia MetroSite EDGE Base Station applications• Nokia MetroSite EDGE Base Station software• Nokia MetroSite BTS Manager• Nokia MetroSite EDGE Base Station general function, construction andunits• Nokia MetroSite EDGE Base Station technical data• Nokia MetroSite EDGE Base Station design standardsSome products referred to in this document, such as Nokia MetroHubTMTransmission Node, Nokia FlexiHopperTM Microwave Radio, and NokiaMetroHopperTM Radio, may not be available in certain markets.
Product Description14 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft
Introduction to the Nokia MetroSite EDGE Base StationDN991444 © Nokia Corporation Draft 15 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential2Introduction to the Nokia MetroSiteEDGE Base StationThis chapter describes the base station system (BSS) and the Nokia MetroSiteEDGE Base Station generally.2.1 Base station systemIn general terms, base stations perform the radio function for the base stationsystem. A base transceiver station (such as a Nokia MetroSite EDGE BaseStation) is connected to a transmission node (such as a Nokia MetroHubTransmission Node) or directly to the base station controller (BSC) via the Abisinterface and to the mobile stations (MS) via the Air interface (see Figure 1).The BSC is further connected to the mobile switching centre (MSC) and to theoperational support system (OSS).
Product Description16 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftNoteFigure 1. Base station system (BSS)2.2 Nokia MetroSite EDGE Base StationThe Nokia MetroSite EDGE Base Station is a complete, all-climate basetransceiver station. It can be used in GSM 900, 1800 and 1900 and GSM/EDGE800, 900, 1800 and 1900 systems, or as a dual band GSM 900/1800 or dual bandGSM/EDGE 900/1800, 800/1800 or 800/1900 BTS. Both omni and sectoredconfigurations are supported. The small-sized Nokia MetroSite EDGE BaseStation cabinet accommodates up to four transceiver units (TRXs).The Nokia MetroSite EDGE Base Station can be fitted with 5W GSM TRXs or5W GSM/EDGE TRXs.The introduction of EDGE requires EDGE capable TRXs. EDGE also requiresCX 3.2 software (or later) to be available at the BSC.Air interfaceTransmissionnodeBTSBTSBTSAbis interfaceAbisinterface AbisinterfaceAbisinterfaceBSC
Introduction to the Nokia MetroSite EDGE Base StationDN991444 © Nokia Corporation Draft 17 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialNoteFigure 2. Nokia MetroSite - an ideal solution for dense, urban environmentThe Nokia MetroSite EDGE Base Station is the core element in the NokiaMetroSite Capacity Solution, which comprises complete sites equipped withBTSs, transmission equipment, and auxiliary equipment. However, the NokiaMetroSite EDGE Base Station can be integrated into other mobile networkapplications as well.The optimised RF performance, the versatile installation options, and the flexibleradio transmission solution using Nokia MetroHopper Radio for last-kilometreaccess, allow for a large number of BTSs being installed in a small area.Consequently, the Nokia MetroSite EDGE Base Station is an ideal solution forspecial hot spots - like downtown areas, sports arenas, shopping centres,underground stations and office buildings - where high capacity is needed.For more information on the Nokia MetroHopper Radio, see the NokiaMetroHopper Product Overview.
Product Description18 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftIn order to ensure a high quality of calls, the Nokia MetroSite EDGE Base Stationsupports versatile features, such as frequency hopping.Due to its compact size, low weight, and high level of integration, the NokiaMetroSite EDGE Base Station is fast and easy to install, either indoors oroutdoors with minimal preparations. Both wall and pole installations aresupported. From the network planning point of view, the Nokia MetroSite EDGEBase Station can be installed at optimal locations. The plug-in construction of theNokia MetroSite EDGE Base Station also provides great flexibility when, forexample, capacity expansion is considered.In addition to its other versatile and advanced properties, the Nokia MetroSiteEDGE Base Station is designed for easy commissioning. This has been achievedby the Nokia MetroSite BTS Manager, which incorporates a commissioningwizard and BTS configuration autodetection.The Nokia MetroSite EDGE base station’s size and ease of deployment help theoperator to reduce site planning and site acquisition costs. The fast start-up andthe quick integration into the network enable immediate revenue flow to theoperator. Furthermore, the operational costs are low as the BTS management is toa large extent carried out remotely from the OSS.
Nokia MetroSite EDGE Base Station featuresDN991444 © Nokia Corporation Draft 19 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential3Nokia MetroSite EDGE Base StationfeaturesThis chapter describes the technical properties of the Nokia MetroSite EDGEBase Station that contribute to:• Microcellular capacity• Network quality• Data services• Deployment• Operation and maintenanceA description of the advanced telecommunication features is also presented here.A detailed description of technical features supported by the Nokia MetroSiteEDGE Base Station can be found in the Feature Descriptions document deliveredin the Nokia MetroSite Base Station Software Release Binder. For a list of NokiaMetroSite EDGE Base Station properties, see also Chapter 8 in this document.3.1 Building capacity with the Nokia MetroSite EDGEBase StationThe features described in this section accommodate the efficient building ofcapacity such as microcellular, building infill and roadside coverage.3.1.1 Four TRX BTS with flexible sectoring and dual band operationOne Nokia MetroSite EDGE Base Station incorporates up to four TRXs and thusprovides sufficient capacity to handle a large amount of telecommunicationtraffic. The Nokia MetroSite EDGE Base Station can be sectored very flexibly.Every TRX has its own antenna connector. Every TRX also incorporates a duplexfilter, and one antenna therefore handles both transmitting and receiving. Any cellcan incorporate up to four TRXs and, on the other hand, every TRX can form asector of its own within a cell. Consequently, the maximum number of sectors fora stand-alone BTS is four.
Product Description20 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftNoteThe dual band feature enables the operator to configure any sector to operateeither on a 900 or 1800 MHz frequency, thus increasing the capacity of thenetwork. With CX 3.2 software, or later, the 800/1800 MHz and 800/1900 MHzdual band frequencies are also possible.More information on the coverage areas created with different sectoring optionscan be found in Section 4.1 in this document.The term “cell” is used in the network management system (NMS) context,referring to the coverage area of transceivers from the same base station.3.1.2 Chaining of Nokia MetroSite EDGE base stationsInternal bus and Abis chaining are both possible with the Nokia MetroSite EDGEBase Station. For more information on Abis chaining, refer to Section 4.2.To further increase the capacity expansion possibilities, Nokia MetroSite EDGEbase stations can be chained as one BCF object to include up to 12 TRXs.Chaining is done by extending the BTS internal buses through the extensioninterface on the interface unit. Each BTS is connected to the next BTS in the chainwith only one cable (up to five metres). Only one of the BTSs (the master BTS)incorporates a transmission unit (FXC type).One BTS acts as the master BTS, in which the master TRX of the chain is located.However, each BTS has a dedicated TRX to control the heating and coolingfunctions. The chained BTSs share the same frame clock (FCLK) and framenumber and the sector configuration is therefore not limited by the cabinetboundaries.The chain can be commissioned in various diversity configurations. For example,a chain with three BTSs could be configured with two sectors and six TRXs persector.The Nokia MetroSite EDGE Base Station can also be connected to a NokiaMetroHub Transmission Node. In this case, the BTS cabinet must incorporate atransmission unit.
Nokia MetroSite EDGE Base Station featuresDN991444 © Nokia Corporation Draft 21 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential3.1.3 RF power and sensitivity for microcellular applicationsThe RF performance of the Nokia MetroSite EDGE Base Station is suitable formicrocellular, building infill and roadside coverage applications. The maximumRF power of the Nokia MetroSite EDGE Base Station transmitter is 5 W at theantenna connector. The maximum RF power of the Nokia MetroSite EDGE BaseStation in EDGE modulation mode is 3.2 W. The RX sensitivity is better than -106 dBm. The output power and the receiver sensitivity of the Nokia MetroSiteEDGE Base Station, together with the use of surrounding buildings to limit thecell size, allow efficient frequency re-use with minimised interference.The dynamic power level range of the transmitter and the static broadcast controlchannel (BCCH) power level range are shown in Table 1.3.1.4 Smooth capacity expansionAs the operator’s demand for capacity grows, additional TRXs can be installed tothe Nokia MetroSite EDGE Base Station during operation without interruptingthe BTS service.3.2 High network qualityThe Nokia MetroSite EDGE Base Station increases the capacity of the networkand also maintains the quality of telecommunication traffic. This sectiondescribes the features that contribute to the high network quality.3.2.1 Receiver diversityReceiver diversity (also known as uplink diversity) is available in the NokiaMetroSite EDGE Base Station when two or more TRXs belong to the samesector.Table 1. Power level ranges for the Nokia MetroSite EDGE Base StationProperty GMSK modulation 8-PSK modulationStatic power level range (BCCH) 18 dB 10 dBTotal power level range (static +dynamic)30 dB 16 dBStep size 2 dB 2 dB
Product Description22 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftMultipath propagation of the radio signal may cause local variations of signalstrength. Deep fades, particularly when the mobile station is near a cell border,reduce the quality of the received signal. To minimise this effect, a spatial orpolarisation receiver diversity can be used, which means that two different pathsare used for the received signals.Antennas are placed physically apart or they employ different polarisation so thatcorrelation between received signals is minimised. It is probable that even if oneof the receiver branches suffers from a deep fading drop, the other receives asignal of sufficient quality. The two separate paths are processed in the basebandsection of the BTS transceiver, and the pre-detection weighted summing methodis used to combine the signals of the two branches.Diversity can be enabled or disabled from the BSC. When diversity is employed,the BTS must be physically equipped according to the logical sectorconfiguration at the BSC.3.2.2 Frequency hoppingThe Nokia MetroSite EDGE Base Station supports synthesised (RF) frequencyhopping when there are at least two TRXs in the same sector.The most significant property of frequency hopping is that it enables averaging ofthe interference to RF signal between network users. Frequency hopping can beused to minimise signal quality degradation caused by frequency selective fading,especially for slow moving MSs and narrow band interfering signals.Synthesised frequency hopping enables each TRX to change frequency onsuccessive time slots, so that a given carrier can hop at several frequencies inquick succession.It is possible to use either a cyclic or random frequency hopping scheme asdefined in GSM 05.02, 05.08 recommendations.3.2.3 Antenna solutionThe MetroSite antenna is a small and unobtrusive dual band antenna designed formicrocellular, building infill and roadside coverage. It is a directional two-portantenna with two antenna elements in one casing. This means that two TRXs canbe connected to one antenna. The gain of the antenna is 6 dBi and it provides 130°coverage.Other directional, omnidirectional and cross-polarised antennas can also be usedwith the Nokia MetroSite EDGE Base Station. Furthermore, distributed antennasystems (DAS), which are primarily used for building fill-in coverage, can beemployed.
Nokia MetroSite EDGE Base Station featuresDN991444 © Nokia Corporation Draft 23 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialWhen the Nokia MetroSite EDGE Base Station itself is installed inside abuilding, the antennas can be located outdoors. The size of antenna feeders, 1/4”and 3/8”, support the flexibility of installation.The TRX test includes an antenna cable detection feature which, in most of thecases, verifies whether the cable connection between the TRX and the antenna isfree of faults.3.3 Telecommunication featuresThe most important telecommunication features supported by the NokiaMetroSite EDGE Base Station software are discussed in this section. The basicfeatures are presented as a list in Section 8.3. A detailed description of all thetelecommunication features can be found in the software release documentation.Half rate speech codingThe use of half rate (HR) speech coding makes it possible to almost double theamount of available traffic channels on the radio path. This is achieved with theexisting transmission lines on the Abis interface. Half rate coding enables the useof 8 Kbit/s channels.Enhanced full rate speech codingEnhanced full rate (EFR) speech coding improves the voice quality in all channelconditions. The coding is based on improvements made for half rate codingapplied to the existing GSM full rate channel coding.Support for data servicesThe Nokia MetroSite EDGE Base Station supports a number of features thatenable efficient data traffic. The most advanced of those features are dealt withhere. See also Section 3.3.1 in this document.•High Speed Circuit Switched Data (HSCD). This feature providesaccelerated data rates for the end-user applications such as browsing theInternet, file transfer and facsimile.•14.4 Kbit/s GSM data services provide accelerated user data rates at 14.4Kbit/s level. This feature can be combined with HSCSD.•Non-transparent and transparent data (9600, 4800, 2400 bit/s). Non-transparent means that the data rate can be changed automatically duringthe call (due to increased traffic, for example). Transparent data uses afixed data rate throughout the duration of a call.
Product Description24 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft3.3.1 General Packet Radio Service (GPRS)GPRS is designed to make the GSM data services more compatible with LAN,WAN, and the Internet. In GPRS, the radio resources are used only when thereactually is data to be sent or received. GPRS also provides immediateconnectivity and very short set-up for sending a data packet. The throughput is ashigh as in high speed circuit switched data (HSCSD). The Nokia MetroSiteEDGE Base Station supports GPRS coding schemes 1 and 2.3.3.2 Enhanced General Packet Radio Service (EGPRS)EGPRS is built on top of GPRS to increase the data rate of GPRS by applyingEDGE modulation and increasing the Air interface throughput. The data rate ofGPRS is increased up to threefold with EGPRS. The Nokia MetroSite EDGEBase Station supports EGPRS modulation and coding schemes (MCS) 1 to 7.EGPRS requires EDGE capable TRXs to be fitted in the BTS and CX 3.2software or later.3.4 Easy and fast deploymentThis section describes the installation and commissioning procedures of theNokia MetroSite EDGE Base Station. The detailed task-oriented instructions canbe found in Nokia MetroSite EDGE Base Station: Installation and in NokiaMetroSite EDGE Base Station: Commissioning.3.4.1 InstallationVariety of installation possibilitiesDue to its small size, unobtrusive appearance, low weight, and high level ofintegration, the Nokia MetroSite EDGE Base Station accommodates a variety ofnew installation possibilities. The extended environmental performance of theNokia MetroSite EDGE Base Station enables installation indoors and outdoors,even in extreme climatic conditions. Mounting options are available for both walland pole installations. The Nokia MetroSite EDGE Base Station can also bemounted horizontally on its back. For more information on mounting positionsrefer to Nokia MetroSite EDGE Base Station: Requirements for Installation andOperation.Delivery and installation procedureThe Nokia MetroSite EDGE Base Station is delivered to the site with the orderedplug-in units pre-installed. Shield units are installed in those unit slots that are notoccupied by functional units. The purpose of shield units is to provide protectionfor the backplane connectors, ensure optimal air flow inside the cabinet, andprovide EMC and weather shielding for the BTS.
Nokia MetroSite EDGE Base Station featuresDN991444 © Nokia Corporation Draft 25 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialAfter unpacking the delivery, some of the units can be removed from the BTS tomake it easier to handle. Usually, removing only the TRXs makes the NokiaMetroSite EDGE Base Station light enough to handle.The Nokia MetroSite EDGE Base Station is then installed on a wall or a pole. Inwall mountings, the packing cardboard can be used as a template for drilling theanchor screw holes to the wall. In pole mountings, an additional pole mountingkit is used to attach the BTS to the installation pole.After the removed plug-in units are reinstalled, the cabinet ground and powercables are connected. The next step is to connect the diversity cables,transmission cables and antenna cables. Then the BTS is powered up andcommissioning is started. Finally, the lock and the cover are installed to the BTS.3.4.2 Commissioning with the Nokia MetroSite BTS ManagerNokia MetroSite BTS Manager is a PC-based tool which includes acommissioning wizard that guides the user throughout the whole commissioningprocess.AutodetectionThe BTS software includes an autodetection feature which identifies the BTShardware. This reduces the time spent for commissioning as the user does nothave to create a separate HW database for the BTS. The system data is replicatedto each TRX so that none of the BTS parameters are lost when the units arereplaced.No external measuring devices are needed for BTS commissioning tests.The task-oriented instructions for each step can be found in Nokia MetroSiteEDGE Base Station: Commissioning document.
Product Description26 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftFigure 3. Nokia MetroSite BTS Manager Commissioning WizardManual commissioningBefore the commissioning at the BTS site can be started, the following tasks mustbe performed:• The LAPD links must be created at the BSC• The PCM port at the BSC must be set to activeThe commissioning procedure performed on site with the Nokia MetroSite BTSManager includes the following steps:• Transmission configuration• Checking alarms and EACs• Running the tests• Creating the BTS commissioning reportIn the near future, the use of the Site Configuration File (SCF) will considerablyease the commissioning as most of the parameters can be fed directly from thefile, for example, the Abis time slot allocation can be automated.The Nokia MetroSite BTS Manager automatically produces a commissioningreport at the end of the commissioning process.
Nokia MetroSite EDGE Base Station featuresDN991444 © Nokia Corporation Draft 27 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential3.5 Advanced operation and maintenanceThe features concerning the operation and maintenance (O&M) of the NokiaMetroSite EDGE Base Station are described in this section.During operation, the Nokia MetroSite EDGE Base Station is managed remotelyfrom the OSS. Site visits to carry out routine O&M tasks are not usually needed.3.5.1 Integration of TRX and base control functions (BCF)One of the TRXs is configured as the master TRX of the BTS. Physically there isno difference between the master TRX and the slave TRXs. In addition to thenormal TRX functions, the master TRX handles the BTS operation andmaintenance functions. Consequently, there is no need for a dedicated plug-inunit to handle these functions. For more information refer to Section 6.1.2. TheO&M signalling and TRX signalling can also be combined into one channel tooptimise the use of transmission capacity.3.5.2 BTS diagnostics, alarms and TRX testAlarm diagnosticsThe Nokia MetroSite EDGE Base Station features a BTS diagnostics system thatconsiderably reduces the number of alarms. Relevant alarm information is easilyaccessible and understandable. A detailed description of the Nokia MetroSiteEDGE Base Station alarms can be found in the software release documentation.The alarm diagnostics system filters out spurious alarms, reporting only thosealarms that directly affect the BTS service level. The alarms are addressed to theunit level, which helps the maintenance engineers locate the faulty unit.In the case of a mains power failure, the Nokia MetroSite EDGE Base Stationprovides sufficient backup time for an alarm to be sent to the BSC.TRX testThe TRX test is a multipurpose test designed for testing the total performance ofthe intended TRX and Radio Time Slot (RTS). The test can be run locally fromthe Nokia MetroSite BTS Manager, or remotely from the BSC/OSS when theAbis connection is established. Locally, the TRX test is usually performed duringcommissioning of the Nokia MetroSite EDGE Base Station.
Product Description28 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftThe TRX test covers all functions between the Abis and Air interfaces: digital andRF parts, antenna cable detection, RX sensitivity, and TX level. The main reasonfor providing a single multipurpose test is to minimise the total test time; once thetime slot is reserved for testing, the test time is used effectively. The test utilisesthe multifunctional RF loop and it is automatically performed for both RXbranches. The test time is approximately 15 seconds. The test can be used as anRF performance supervision test when performed according to a regular schedulefrom the NMS/2000.For more information on the TRX test refer to the Software Release Binder.3.5.3 Battery backup with Nokia MetroSite Battery BackupIf additional battery backup is needed, the Nokia MetroSite Battery Backup unitcan be used for this purpose. The Nokia MetroSite Battery Backup provides onehour backup time for the Nokia MetroSite EDGE Base Station operating at 400W. The Nokia MetroSite Battery Backup is an external unit with the sameappearance and mounting options as the Nokia MetroSite Base Station itself.For more information on Nokia MetroSite Battery Backup, refer to NokiaMetroSite Battery Backup User Manual.3.5.4 Temperature controlThe Nokia MetroSite EDGE Base Station operates in the ambient temperaturesranging from -40ºC to +50ºC (-40ºF to +122ºF), solar radiation 1120 W/m2.Figure 4. Temperature management diagram-40OC-40OF-10OC+14OF+10OC+50OF+20OC+68OF+50OC+122OFHEATING COOLINGfullheatingreducedheatingcooling onvariable fan speedheating off/cooling off
Nokia MetroSite EDGE Base Station featuresDN991444 © Nokia Corporation Draft 29 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialThe BTS has a cooling fan and built-in heaters to provide a smooth temperaturecontrolling facility. The BTS software controls the heating and cooling to provideoperation conditions which are as stable as possible. Heating and cooling areadjusted gradually to ensure low temperature gradients and noise levels. Thetemperature is continuously monitored with sensors placed on active units.The heater elements are located inside the transceiver and transmission units.When the BTS starts up in an extremely cold environment, the units are warmedup to the operation temperature range (-10ºC or +14ºF within each TRX) beforethe actual BTS operation starts.The fan unit generates the cooling air flow inside the BTS. The fan unit has 16speeds, ensuring low temperature gradients and noise levels.If the temperature of any unit rises too high, due to a broken fan unit or too hotconditions on the site for example, the TRX issues an analysed temperature alarmto the BSC. The master TRX then shuts down the appropriate TRX. Similarly, ifthe power supply is overheated, the master TRX switches off the power for allunits. The power supply switches the power back on when the temperature hasreturned to the operational range.During operation, the master TRX starts the heating process if the internaltemperature drops below the specified limit.
Product Description30 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft
ApplicationsDN991444 © Nokia Corporation Draft 31 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential4ApplicationsThis chapter describes the typical applications of the Nokia MetroSite EDGEBase Station including the transmission alternatives.4.1 Building capacity with the Nokia MetroSite EDGEBase StationThe Nokia MetroSite EDGE Base Station can be used for building capacity inareas of heavy telecommunication traffic, such as for building infill, streetcorners, sports arenas, shopping centres, and underground stations. It can also beused for coverage of gaps in networks, such as for unfriendly terrain or roadsidecoverage.Figure 5. Roadside coverage with the Nokia MetroSite EDGE Base Station
Product Description32 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftEfficient frequency re-use requires that the size of the coverage area (cell) belimited. Figure 6 shows how the buildings surrounding the Nokia MetroSiteEDGE Base Station can be used to limit the cell size and shape in an urbanenvironment.Figure 6. Microcells built with the Nokia MetroSite EDGE Base StationThe Nokia MetroSite EDGE Base Station can be sectored freely. A sectorconsists of one broadcast control channel (BCCH) TRX and, often, one to threetraffic channel (TCH) TRXs. The maximum number of TRXs in one sector isfour.At the BSC, one of the slave TRXs is by default defined as the BCCH TRX. TheBCCH TRX the most likely TRX to need replacement and a slave TRX can bereplaced without interrupting the BTS operation. If desired, the BCCH can beforced on the master TRX by using the preferred BCCH feature at the BSC.By using the different sectoring possibilities provided by the Nokia MetroSiteEDGE Base Station and by directing the antennas, different types of coverageareas can be created. The actual shape of the coverage areas varies depending onthe environment.BTSBTS
ApplicationsDN991444 © Nokia Corporation Draft 33 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialTRXs from different sectors can be connected to one antenna. The followingexamples assume that the MetroSite antenna is used; the diversity applicationsmay differ from the ones presented here if different antenna types are used.Figure 7 presents a single band (GSM/EDGE 900) BTS which has four TRXs inone sector. The antennas are directed to the same direction; the resulting coveragearea comprises four TRXs. In order to employ diversity, it is most feasible toconnect the TRXs which share the diversity to different antennas.Figure 7. Four TRXs in one sector, single band configurationWith dual band antennas, such as the MetroSite antenna, overlappingGSM/EDGE 900 and GSM/EDGE 1800 coverage areas can be created byconnecting TRXs from a GSM/EDGE 900 sector and TRXs from a GSM/EDGE1800 sector to one antenna.Antennas directed to form one coverage areaincluding 4 GSM/EDGE 900 TRXs.DIVOUTDIVINDIVINDIVOUTDIVOUTDIVOUTDIVINDIVINTRX4TRX3TRX2TRX1- 4 TRXs- 1 sector- Single band- DiversityBTS configurationBTSCoverage pattern (principle)GSM/EDGE 900 = GSM/EDGE 1800 = Dual band =
Product Description34 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftFigure 8 shows schematically the coverage areas created with a BTS that has foursectors (two GSM/EDGE 900 sectors and two GSM/EDGE 1800 sectors) in a(1+1)/(1+1) configuration. In Figure 8 , one GSM/EDGE 900 and oneGSM/EDGE 1800 sector are connected to each antenna. The antennas aredirected to different directions.Figure 8. (1+1)/(1+1) dual band configurationThe 2+2 dual band configuration can be used to build one directional dual bandcoverage area. This configuration has one GSM/EDGE 900 sector which includestwo TRXs, and one GSM/EDGE 1800 sector also including two TRXs. One TRXfrom the GSM/EDGE 900 sector and one TRX from the GSM/EDGE 1800 sectorare connected to one antenna. The antennas are directed to the same direction.Consequently, the coverage area comprises four TRXs (two GSM/EDGE 900 andtwo GSM/EDGE 1800 TRXs). Diversity can also be utilised in this type ofconfiguration. Figure 9 shows schematically the coverage area built in thismanner.- (1+1)/(1+1) TRXs- Dual band- No diversityBTSCoverage pattern (principle)DIVOUTDIVINDIVINDIVOUTDIVOUTDIVOUTDIVINDIVINTRX4TRX3TRX2TRX1BTS configurationGSM/EDGE 900 = GSM/EDGE 1800 = Dual band =Antennas directed to form twocoverage areas1 GSM/EDGE 900 TRX + 1 GSM/EDGE 1800 TRXin each coverage area
ApplicationsDN991444 © Nokia Corporation Draft 35 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialFigure 9. 2+2 dual band configurationAnother way to build overlapping GSM/EDGE 900 and GSM/EDGE 1800 cells,is to direct single band GSM/EDGE 900 and GSM/EDGE 1800 antennas towardsthe same direction.The Nokia MetroSite EDGE Base Station can be used to build fill-in coverage inareas that are difficult to reach with conventional base stations. In these cases, itis recommended that high-gain antennas are used.Antennas directed to form one coverage area including2 GSM/EDGE 900 TRXs + 2 GSM/EDGE 1800 TRXs.- 2+2 TRXs- Dual band- DiversityCoverage pattern (principle)DIVOUTDIVINDIVINDIVOUTDIVOUTDIVOUTDIVINDIVINTRX4TRX3TRX2TRX1BTS configurationBTSGSM/EDGE 900 = GSM/EDGE 1800 = Dual band =
Product Description36 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftNote4.2 Transmission with the Nokia MetroSite EDGE BaseStationThis section describes the transmission topologies that can be built by using thetransmission unit capacity of the Nokia MetroSite EDGE Base Station. Thetransmission node that expands the transmission capacity is typically the NokiaMetroHub Transmission Node. For more information on the largerconfigurations, refer to Nokia MetroHub Transmission Node documentation.The transmission unit takes care of the transmission between the Nokia MetroSiteEDGE Base Station and the BSC through the Abis interface. The transmissionmedia can be either radio link (RRI) or wireline (E1/T1).The FC RRI and FXC RRI transmission units are used with Nokia MetroHopperradios and/or Nokia FlexiHopper microwave radios. The FC E1/T1, FXC E1 andFXC E1/T1 transmission units are used for wireline transmission.When EDGE transmission is being used, the FC type transmission units are notrecommended because of the high data transfer rates that are possible withEDGE.The FXC RRI, FXC E1 and FXC E1/T1 transmission units have a cross-connectcapability. The bidirectional connection between two interface ports (B2 cross-connection) can be made with 2M, nx64k, 64k, 32k, 16k and 8k granularities.Granularity refers to the number of bits connected into a specific direction in thecross-connection.The FC RRI and FC E1/T1 transmission units are used in the termination pointsof the transmission chain. More information on transmission unit alternatives canbe found in Chapter 6.Examples of transmission topologies built with different transmission units arepresented in Figure 10. Depending on the type of transmission unit, it is possibleto use the following network topologies:• Chain connection (A and B in Figure 10)• Star connection (C and D in Figure 10; with the radio transmissionalternative, the centre point of the star is always a transmission node)• Loop connection (E and F in Figure 10)
ApplicationsDN991444 © Nokia Corporation Draft 37 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialFigure 10. Examples of transmission connections FC E1/T1FXC E1(/T1)FXC RRIFXC RRI FXC RRIFC E1(/T1) FC RRI FXC RRI FXC RRIFXC E1(/T1)FXC E1(/T1)BSCFXC E1(/T1)FXC E1(/T1)FXC E1(/T1)n x E1 FXC E1(/T1) FC E1/T1 FC E1/T1 FC RRI FC RRI FC RRITransmission node FXC RRINokia MetroSite BTS withFXC RRI transmission unitACBDFERadio hop
Product Description38 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftNoteFurthermore, the Nokia MetroSite EDGE Base Station can be directly connectedto the BSC.The Nokia MetroSite EDGE Base Station supports 16 Kbit/s, 32 Kbit/s and 64Kbit/s Abis TRX signalling. The O&M signalling speed alternatives are 16Kbit/s, 32 Kbit/s and 64 Kbit/s. To optimise the use of transmission capacity,combined O&M and TRX signalling is also supported at all these speeds.Locally, the transmission configuration is managed with the Nokia MetroSiteBTS Manager. Information on how to create different transmissionconfigurations can be found in the MetroSite BTS Manager’s on-line Help.Since EDGE can carry higher data rates than GSM, the specification of thetransmission unit and its configuration should be of suitably high capacity whenusing GSM/EDGE TRXs.
Nokia MetroSite EDGE Base Station related softwareDN991444 © Nokia Corporation Draft 39 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential5Nokia MetroSite EDGE Base Stationrelated softwareThis chapter describes the Nokia MetroSite EDGE Base Station software (SW)and the Nokia MetroSite BTS Manager software.Generally, the Nokia MetroSite EDGE Base Station is managed remotely fromthe OSS via the BSC. The management tasks carried out on site are kept to aminimum. On site, the Nokia MetroSite BTS Manager is used for BTSmanagement.The Nokia MetroSite EDGE Base Station is delivered to the customer with theSW pre-installed in order to support rapid deployment of the BTS. The NokiaMetroSite EDGE Base Station SW is to a large extent based on the SW for thefield-proven Nokia Talk family of base stations and is enhanced with new andimproved features. The new, highly embedded Nokia MetroSite EDGE BaseStation SW makes it possible to upgrade the BTS on-line without interrupting theBTS operation. Also, the number of alarms sent from the BTS to the BSC isreduced considerably due to the advanced BTS diagnostics system.The Nokia OSS incorporates a full range of functions from fault, performance,and configuration management to transmission and security management andtroubleshooting. For more information, refer to Nokia OSS documentation.The NMS/2000 SW T13 and BSC SW S10 releases fully support the NokiaMetroSite EDGE Base Station.5.1 Nokia MetroSite EDGE Base Station softwareThe Nokia MetroSite EDGE Base Station can store two SW packages in its non-volatile memory. The SW can be loaded to the BTS either locally from the NokiaMetroSite BTS Manager or remotely from the BSC or the NMS/2000. The SWpackages are loaded to the non-volatile memory of each TRX.The BSC updates the BTS SW packages if they are different from the BSC SW.After downloading, new SW is activated by reset and the initialisation takesapproximately one minute. The BTS and its units can be reset separately fortesting purposes, locally with the Nokia MetroSite BTS Manager and remotelyfrom the BSC or the NMS/2000.
Product Description40 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftThe BTS start-up procedure has been optimised to shorten the boot-up time. Notime-consuming tests are done during the BTS start-up, which contributes to rapiddeployment of the BTS and shorter breaks in service after power failures.Alarms generated by the Nokia MetroSite EDGE Base Station are radicallyreduced by advanced diagnostics and alarm management. Only the unit level andBTS level alarms are sent to the BSC. Correlation rules and fault diagnosticprocedures ensure that the appropriate recovery procedure is activatedautomatically. The fault diagnostics make it possible to locate a fault to a specificunit of the BTS or to a specific part of the BTS system.5.2 Nokia MetroSite BTS Manager softwareNokia MetroSite BTS Manager is primarily used to commission the BTS andcarry out maintenance tasks locally. BTS sectoring and TRX numbering can beread from the Nokia MetroSite BTS Manager’s display. During normal operationthe Nokia MetroSite EDGE Base Station is managed remotely from the OSS.Nokia MetroSite BTS Manager provides a graphical user interface, running inWindows NT, Windows 95, and Windows 98 environments. The NokiaMetroSite BTS Manager provides a commissioning wizard software to ease theprocess of BTS commissioning. Instructions on how to use the Nokia MetroSiteBTS Manager are given in a context-sensitive on-line Help.The system requirements for the Nokia MetroSite BTS Manager are detailed inTable 27.Figure 11 shows an example of the Nokia MetroSite BTS Manager desktop withthe following windows opened:1. Equipment View in the Supervision window2. BTS Events window3. Alarms window
Nokia MetroSite EDGE Base Station related softwareDN991444 © Nokia Corporation Draft 41 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialNoteFigure 11. Nokia MetroSite BTS Manager desktopNokia MetroSite BTS Manager is part of the Nokia SiteWizard SW package.5.3 BTS software updatesWhen the Nokia MetroSite EDGE Base Station software is updated, it can beloaded either locally with the Nokia MetroSite BTS Manager, or remotely fromthe BSC or the OSS (via the BSC). The transmission unit software is downloadedtransparently from the network management system (NMS) or locally with NokiaMetroSite BTS Manager.
Product Description42 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftThe BTS SW is loaded to the master TRX which in turn updates the software inthe slave TRXs. When new TRXs are added for more capacity, or when TRXs arereplaced for maintenance reasons, the master TRX updates the software in thenew slave TRXs if their software version is different from the master TRX SW.The Nokia MetroSite EDGE Base Station software can be downloaded as abackground operation without interrupting the BTS operation. The activation ofnew software causes a short break in service. However, the activation can be doneremotely from the BSC/OSS during the hours of low telecommunication traffic.For more information refer to the Software Release Binders.The Nokia MetroSite EDGE Base Station software updates are delivered to thecustomer on diskettes which contain the current version of the BTS software. TheNokia MetroSite BTS Manager is delivered on CD-ROM with Nokia SiteWizard.For more information on Nokia MetroSite EDGE Base Station SW, refer to NokiaMetroSite EDGE Base Station software release documentation.
General function, construction and unitsDN991444 © Nokia Corporation Draft 43 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential6General function, construction and unitsThis chapter describes the general function, mechanical construction and plug-inunits of the Nokia MetroSite EDGE Base Station.6.1 Nokia MetroSite EDGE Base Station generalfunction6.1.1 Signalling between network, BTS and MSThe general principle of signalling between the network, the BTS and the MobileStation (MS) is presented in Figure 12. A more detailed description of the signalflow within the Nokia MetroSite EDGE Base Station is presented in Section 6.3.
Product Description44 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftFigure 12. General principle of signalling between network, BTS and mobilestationAbisfromnetworkTransmissionunitAbisto networkBTSD-bus TRXDuplexfilterBase-bandTXRXTRXDuplexfilterBase-bandTXRXTRXDuplexfilterBase-bandTXRXTRXDuplexfilterBase-bandTXRX
General function, construction and unitsDN991444 © Nokia Corporation Draft 45 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialIn the uplink direction, the signal from the MS is picked up by the antennas andthen passes through the duplex filter to the RX part of the transceiver unit. In theRX part, the signal is converted to the intermediate frequencies (IF) and filtered.The baseband module performs the digital signal processing and sends the signalvia the D-bus to the transmission unit. The transmission unit connects the BTS viathe Abis interface to the BSC. The Abis interface can be either a cable or radiolink.In the downlink direction, the signal from the network is submitted via thetransmission unit and D-bus to the baseband module for digital signal processing.The transmitter part of the transceiver unit receives the modulated basebandsignal from the baseband module, filters the signal to sufficient output spectrumpurity, and raises it to the carrier frequency. The signal goes through the duplexfilter to the antenna; and the antenna sends the signal via the Air interface to thereceiving MS.6.1.2 Nokia MetroSite EDGE Base Station internal functionA block diagram of the Nokia MetroSite EDGE Base Station is shown in Figure13.
Product Description46 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftFigure 13. Nokia MetroSite EDGE Base Station block diagramBTS internal busesThe BTS internal signalling and the signalling between the BTS and the adjacentexternal equipment is handled by the following buses:• D1-bus, which handles the data transfer and signalling between the TRXunits and the transmission unit.• D2-bus, which is the main communication channel between the masterTRX and slave TRXs. Software downloading is handled through the D2-bus.• Local Management Bus (LMB), which is used for the BTS and thetransmission units’ control.PowersupplyInterfaceunit BackplaneNokia MetroSite Base StationFan unitLMPEACQ1ExtensionconnectionAbis TransmissionunitPowersupplyunitTRX 4TRX 3TRX 2TRX 1
General function, construction and unitsDN991444 © Nokia Corporation Draft 47 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential• Q1int-bus, which is used for local transmission management.• Q1-bus, which is used for external equipment management.• F-bus, which is used for data transfer and signalling between TRX units.•I2C-bus (cabinet management bus), which handles the alarm and controlsignalling between passive units (all units except for transmission units).Physically, the buses are located on the BTS backplane.Base control functionsThe Nokia MetroSite EDGE Base Station does not have a separate plug-in unitfor base control functions (BCF) because one of the TRXs is configured as themaster TRX of the BTS. Currently, the master TRX is always located in TRX slot1 (the lower left TRX slot, next to the transmission unit and interface unit slots).The following tasks are handled by the master TRX:• BTS control• Message delivery to the BSC• Alarm handling• Timing functions• Software downloading• Self-testing of the BTSPower distributionThe electrical power (AC or DC) from the external power source is distributedwithin the Nokia MetroSite EDGE Base Station by the BTS’s power supply unit.The power supply unit distributes DC power to the plug-in units. All electricalconnections are conveyed via the backplane. For information on the outputvoltages, refer to Section 6.6.2.The power supply unit is capable of feeding power to the maximum BTSconfiguration which includes either two Nokia MetroHopper Radio outdoor unitsor two Nokia FlexiHopper Microwave Radio outdoor units.
Product Description48 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftFigure 14. Power distribution in the Nokia MetroSite EDGE Base Station6.2 Cabinet (HVMC) and cover (HVCU, WCUA)Similarly to all the other properties of the Nokia MetroSite EDGE Base Station,its construction has been optimised for microcellular, building infill and roadsidecoverage solutions. The chassis and the units are easy to install and move, and thecompact structure provides new installation possibilities.The Nokia MetroSite EDGE Base Station features a lightweight aluminiumchassis with a stainless steel sheet metal backplate, aluminium die-cast guides,and a backplate cover. The Nokia MetroSite EDGE Base Station chassis has acompact plug-in construction covered by a separate two-tone plastic cover(coloured light grey NCS-S-2500-N and grey NCS-S-1500-N). If desired, thecover can be painted so as to better blend into the surrounding environment.The cover shields the BTS against water, snow or solid foreign objects. The actualingress protection and EMC shielding are provided by the chassis and the units.230 VAC or110 VAC or+ 24 VDC- 48 VDCVSxxTRX TRXTRX TRXVIFAVMFAPower outlet for 1-2 radiooutdoor units, 55 VDCDN99104116
General function, construction and unitsDN991444 © Nokia Corporation Draft 49 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialAn optional WCUA type cover is available. This cover is made from high impactpolycarbonate and when fitted, the Nokia MetroSite EDGE BTS is designed tomeet the requirements for National Equipment-Building Standards (NEBS).The dimensions of the Nokia MetroSite EDGE Base Station are presented inFigure 15.
Product Description50 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftFigure 15. Dimensions of the Nokia MetroSite EDGE Base Station954 mm(37.56 in)871 mm(34.29 in)310 mm(12.20 in)215 mm(8.46 in)DN00286083
General function, construction and unitsDN991444 © Nokia Corporation Draft 51 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialNotePlug-in unitsThe plug-in units are connected to the BTS backplane via the connectors on theirback panels. The following plug-in units have been fitted in the cabinetmechanics:• Up to four TRXs• Interface unit• Transmission unit• Power supply unit• Fan unitIn the following sections, the Nokia abbreviations for different units are given inthe parentheses after the sections’ titles.The LED conditions of the units are presented in Nokia MetroSite EDGE BaseStation: Maintenance.Figure 16 shows the arrangement of the units.
Product Description52 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftFigure 16. Arrangement of units6.3 Transceiver unit (HVTxx and WTxx)The main function of the transceiver unit (TRX) is to provide the analogue anddigital signal processing required for handling one carrier, both in the uplink (MSto network) and the downlink (network to MS) direction.There are 5W (HVTxx) GSM TRX versions available for the 900, 1800, and 1900MHz frequencies and 5W (WTxx) GSM/EDGE TRX versions available for the800, 900, 1800, and 1900 MHz frequencies. For a full list of the TRX alternatives,refer to Table 10.CoverLockPower supply unitInterface unitTransmission unitTransceiver unitsFan unitBackplane
General function, construction and unitsDN991444 © Nokia Corporation Draft 53 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialFigure 17. Transceiver unitThe transceiver unit of Nokia MetroSite EDGE Base Station consists of digitaland analogue parts and mechanics. The digital functions are in the basebandmodule whereas the analogue part consists of an RF module and integratedduplex filter.A block diagram of a Nokia MetroSite TRX is presented in Figure 18.Antenna connectorDiversity outDiversity in
Product Description54 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftFigure 18. Block diagram of a Nokia MetroSite TRXOne of the TRXs is configured as the master TRX, which manages all the O&Mfunctions of the BTS. In order to optimise the transmitter output power, theantennas are directly connected to the TRXs.The nominal transmitter output power at the antenna connector is 5 W (37 dBmin GMSK, 35 dBm in 8-PSK). The single branch receiver sensitivity is better than-106.0 dBm for the TCH/FS channel type.6.3.1 Baseband moduleThe baseband (BB) module carries out baseband digital signal processing ofspeech and data channels and manages all signalling for speech connections. Italso handles software downloading and timing functions of the GSM/EDGEsystem.The block diagram of the baseband module is shown in Figure 19.RF MODULEBB MODULEETXATX LO1IF2RFTX FHSDUPLEXFILTERMODULEMRXRFRXFHSRXLO2MRXIF2MRXIF1LNATRXLOOPIF1ERECVAREFOSCDRXIF2DRXIF1DRXRFERXAFbusD1E6.5 M REFDLTSCLKNRXDRXRF CONTROLREF CLOCKSRF ALARMSDIV INDIV OUTINTERFACE TRANSMITTERRECEIVERANT2D2EQDSPEFBIASRAMCHDSPEDIBAUCDRAMFLASHEMUCAULI C2CLOCKSI CLMBQ1DN98916275
General function, construction and unitsDN991444 © Nokia Corporation Draft 55 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialFigure 19. Block diagram of the baseband moduleThe BB contains the unit controller (UC), two DSPs, four ASICs and memorycircuits.In the downlink direction, the BB reads the TRAU or PCU frames coming fromthe transmission system via the D1E-bus. The data is then processed to GSMTDMA bit format. Bursts are sent via the downlink serial bus to the RFtransmitter.In the uplink direction, the BB receives a digital I/Q signal from the RF modulefor both main and diversity branches. The samples are combined, detected,decoded and assembled into TRAU or PCU frames for sending to the Abisconnection.D-businterface RXTXF-businterfaceD1RXinterfaceD2F-busI2CLMPQ1ClocksCHUCEQ
Product Description56 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftThe EMUCA ASIC (Application Specific Integrated Circuit) is a UC interfaceASIC. It also handles clock generation and synchronisation, interrupt and alarmhandling functions.The EQDSP is functionally connected to the ERECVA ASIC. This block handlessample receiving from RF, channel equalisation and bit detection functions forboth GMSK and 8-PSK.The interface from the BB to the RF modules is via a serial bus with HDLCprotocol, and contains downlink (DL) data and initialisation messages to the RFmodule. The RF to BB HDLC frame includes I (In Phase) and Q (Quadrature)components of the received signal, and also consists of alarms, timing and statusinformation from the RF module.The CHDSP is functionally connected to the EFBIA ASIC. This block handlesburst transmitting to RF (DL_DATA), channel decoding and encoding, andciphering and deciphering functions. EFBIA interfaces to the F-bus providefrequency hopping functions.The BB contains FLASH and RAM memories. FLASH memory is used for theBTS SW and SW backup. There are separate RAM memories for the UC andCHDSP to store programs and data.6.3.2 RF moduleThe RF module has four parts, the TX, RX, RF Loop, and digital interface.The parts of the RF module are shown in Figure 20.
General function, construction and unitsDN991444 © Nokia Corporation Draft 57 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialFigure 20. Block diagram of the RF moduleTransmitter (TX) partThe transmitter (TX) part includes a Frequency Hopping System (FHS) of itsown, two intermediate frequency blocks, an RF block, and a power control block.In the TX part the modulation source, Gaussian Minimum Shift Keying (GMSK)or 8 Phase Shift Keying (8-PSK), is generated in the Direct Digital Synthesis(DDS) part of the Enhanced Up-converter ASIC (ETXA).Two stages of up-conversion are used to achieve the carrier frequency. Filters areused within the chain to achieve spectral purity.The RF module includes a TX FHS phase-locked synthesizer, for eitherfrequency hopping between adjacent time slots or providing a fixed frequencysignal in non-hopping mode. The FHS part consists of separate VCO module andPLL circuits. The TX FHS provides the local oscillator signal in the final up-conversion stage of the TX chain.RF moduleRFDuplex filterRFsectionIF sections LNATRXloop partIF sectionsDownlinkRF controlREF clocksRF alarmsDIV INDIV OUTInterface tobaseband module ANTRX synthesisersTX synthesisersTX partRX partUplink
Product Description58 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftReceiver (RX) partThe receiver (RX) part includes a common LNA, FHS and the second LO. TheRF block, two intermediate frequency blocks and AGC are separate for the mainand diversity branches.The LNA amplifies the signal for the main RX branch and provides diversityoutput for the other TRX. The diversity input from the other TRX is fed to the firstmixer of the diversity branch.The RX paths convert the input signals from the duplex filtering module bydouble down-conversion to a final intermediate frequency (IF). Analoguefiltering and an on/off type AGC are included in the first IF. The variable gainblock in the second stage prevents compression by keeping the signal level withinthe dynamic range of the output A/D convertor. The signal from the A/Dconverter is passed to the Enhanced Down-converter ASIC (ERXA), wheredecimation and channel filtering occur. The main and diversity digital signals arethen sent to the BB for DSP processing.The RF module includes an RX FHS phase-locked synthesizer, for eitherfrequency hopping between adjacent time slots or providing a fixed frequencysignal in non-hopping mode. The FHS part consists of separate VCO module andPLL circuits. The RX FHS provides the local oscillator signal in the first down-conversion stage of both RX chains.The RX part also provides the local oscillator (LO) for the RX IF sections.RF Loop partThe RF loop part provides transceiver test loop and antenna monitoring facilities.The LED display is also included in this part.The RF loop converts the TX RF signal down to RX frequency. The down-converted TX signal can be selected as an incident or reflected signal to facilitateantenna monitoring.The down-converted signal is coupled to the input of the LNA and input to thediversity branch mixer. The three time slot delay and BER test are performed bythe DSP SW for both GMSK and 8-PSK.There is also a reflected power measurement circuit that raises an alarm when theantenna connector is left open at full power.Digital partThe digital section of the RF module include two ASICs. These interface to theBB and provide control and reference signals to, and alarms from, the analoguefunctions of the RF module. The Enhanced Up-converter ASIC (EXTA)incorporates a DDS, generating a modulated signal for the TX. The EnhancedDown-converter ASIC (ERXA) performs digital channel filtering and controlsAGC.
General function, construction and unitsDN991444 © Nokia Corporation Draft 59 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialIn addition to the DDS and power control functions, the ETXA provides thecontrols for all TRX synthesisers. TRX and antenna loop controls are alsoprovided by the ETXA and from the BB via the I2C bus. Time or state dependentalarms are collected and fed on to the ERXA.The digital interface includes a PLL part to generate clocks needed for ASICs andFHSs.Duplex filter partThe passive duplex filter is connected to the RF module and has a single antennaconnector. There are also customer specific filter modules available for the 900MHz frequency band.MechanicsThe mechanics provide an electrical and environmental shield for the unit. Inaddition, at higher ambient temperatures it acts as a heat sink, conducting thedissipated heat out of the units, and at lower ambient temperatures it acts as aheater.6.3.3 External interfacesThe front panel interface connectors are described in Table 2.6.4 Interface unit (VIFA)The external interfaces of the Nokia MetroSite EDGE Base Station are located onthe interface unit. The Local Management Port (LMP) provides the connection tothe MetroSite BTS Manager PC. The Nokia Q1 interface is a connection forsupervising the Nokia Q1-bus compatible external equipment, such as DMRradios. The extension interface is used as a databus for BTS chaining.Furthermore, the interface unit provides connections for ten customer-definableexternal alarms and four controls.The interface unit contains the reference clock source of the BTS that is tuned bythe master TRX, based on transmission or external synchronisation interfaces.Table 2. TRX interface connectorsConnector TypeAntenna N (female)2 x RX diversity (In/Out) SMA (female)
Product Description60 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftThe door switch and test interfaces are located at the side of the interface unit.Figure 21. Interface unit of the Nokia MetroSite EDGE Base Station6.4.1 External interfacesThe interfaces and their connector types are described in this section.Local Management Port (LMP)The LMP provides the connection to the MetroSite BTS Manager PC. Theconnector type for the LMP is BQ, RS-232. Figure 22 and Table 3 present the pinorder and configuration for the LMP connector.Figure 22. Pin order of the LMP connectorExtension interfaceExtension interfaceLocal managementport (LMP)External alarmsand controlsNokia Q1 interfaceLED indicationLMP4312= Hole= Pin
General function, construction and unitsDN991444 © Nokia Corporation Draft 61 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialNokia Q1 interfaceThe Nokia Q1 interface provides a connection for supervising the Nokia Q1-buscompatible external equipment, such as DMR radios. The Q1 interface connectortype is TQ. Figure 23 and Table 4 present the pin order and configuration for theQ1 connector.Figure 23. Pin order of the Q1 connectorTable 3. Pin configuration of the LMP connectorPin number Signal1 LMP in2 +5 V3 LMP out4 Ground Q14312= Hole= PinTable 4. Pin configuration of the Nokia Q1 connectorPin number Signal1 Q1 in+2 Q1 in-3 Q1 out+4 Q1 out-
Product Description62 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftExtension interfaceThis 50-pin mini D-type connector is used for BTS chaining and for connectingto the Nokia MetroHub Transmission Node.External alarms and controls (EAC)The external alarms and controls connector provides the interface for 10 customerdefinable external alarm (EA) inputs and 4 control outputs (ECO). The connectortype is the 26-pin mini D-type connector (female). Figure 24 and Table 5 presentthe pin order and configuration of the EAC connector.Figure 24. Pin order of the EAC connectorpin 1pin 13pin 26pin 14EACTable 5. Pin configurations of the EAC connectorPin number Signal Pin number Signal1 EA1 14 GND2 EA2 15 GND3 EA3 16 GND4 EA4 17 GND5 EA5 18 GND6 EA6 19 GND7 EA7 20 GND8 EA8 21 GND9 EA9 22 GND10 EA10 23 GND
General function, construction and unitsDN991444 © Nokia Corporation Draft 63 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential6.5 Transmission unit (VXEA, VXTx, VXRB)This section provides the technical information on the transmission units used inthe Nokia MetroSite EDGE Base Station. The different transmissionconfigurations that can be built with the transmission units described here arepresented in Chapter 4. For the transmission interface protocols and standardsrefer to Section 8.4.5 of this document.All transmission units can be managed locally with the Nokia SiteWizardsoftware.6.5.1 Unit alternatives for radio link transmissionThe following radio link transmission units are available for the Nokia MetroSiteEDGE Base Station:FXC RRI (VXRB)• Maximum 16 x 2 Mbit/s capacity• Support for two microwave radio outdoor units (two TNC connectors)• Grooming, branching and loop protection support• Cross-connection at 8 Kbit/s levelFXC RRI transmission units are used with Nokia MetroHopper Radio and NokiaFlexiHopper microwave radio. For more information on the radios andtransmission units, refer to Nokia MetroHopper Radio Product Description andNokia FlexiHopper microwave radio Product Description. The transmission unitis connected to the Nokia MetroHopper Radio with a single coaxial cable,referred to as Flexbus (FB). For more information on Flexbus, refer to Chapter 8 ).11 ECO1 24 ECO312 +3 V 25 ECO413 ECO2 26 +5 VTable 5. Pin configurations of the EAC connector (Continued)Pin number Signal Pin number Signal
Product Description64 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftFigure 25. Radio link transmission unit alternatives6.5.2 Unit alternatives for wireline transmissionThe following wireline transmission units are available for the Nokia MetroSiteEDGE Base Station:FC E1/T1 (VXEA)The FC E1/T1 transmission unit:• Provides one Abis line interface to the 2 Mbit/s (E1) or 1.5 Mbit/s (T1)transmission line• Operates as the termination point in a chain or star configuration• Has no cross-connection capabilityOn its front panel, the FC E1/T1 has two unbalanced interface connectors(separate TX and RX connectors) for the 75 Ω E1 interface. The TX and RXconnectors are connected to each other with a grounding bridge. By removing thegrounding bridge, the RX connector’s outer conductor can be changed from directgrounding to capacitive grounding.There is also one balanced connector, which can be configured to be a 120 ΩE1interface or 100 Ω T1 interface. The balanced connector offers both the TX andRX direction. The pin order and pin configuration of the balanced TQ connectorare presented in Figure 26 and in Table 6.FXC RRIFB2FB1
General function, construction and unitsDN991444 © Nokia Corporation Draft 65 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialFigure 26. Pin order of a balanced TQ connectorFXC E1 (VXTA)In addition to digital speech data, the FXC E1 transmission unit can also transferoperating and maintenance information to other equipment in the network.The FXC E1 offers the following main features:• Four Abis line interfaces to the 2 Mbit/s (E1) transmission line• Grooming, branching and loop protection support• 8 Kbit/s level cross-connection functions between the four Abis lineinterfaces and the D-bus• Nokia Q1 E2E traffic routing model, which allows easy transmissionnetwork planning= Hole= PinTQTable 6. Pin configuration of a balanced TQ connectorPin number Signal1 RX+2 RX-3 TX+4 TX-
Product Description66 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftThe front panel of the FXC E1 has four pairs of unbalanced BT-43 interfaceconnectors (separate TX and RX connectors) for the 75 Ω E1 interface. The TXand RX connectors are connected to each other with a grounding bridge. Byremoving the grounding bridge, the RX connector’s outer conductor can bechanged from direct grounding to capacitive grounding.For more information on the FXC E1 transmission unit, refer to Nokia MetroHubProduct Description.FXC E1/T1 (VXTB):In addition to digital speech data, the FXC E1/T1 transmission unit can alsotransfer operating and maintenance information to other equipment in thenetwork.FXC E1/T1 offers the following main features:• Four Abis line interfaces to the 2 Mbit/s (E1) or 1.5 Mbit/s (T1)transmission line• Grooming, branching and loop protection support• 8 Kbit/s level cross-connection functions between the four Abis lineinterfaces and the D-bus• Nokia Q1 E2E traffic routing model, which allows easy transmissionnetwork planningThe front panel of FXC E1/T1 has four balanced TQ connectors (for pin order andconfiguration see Figure 26 and Table 6). The connectors offer both TX and RXdirection. Each line interface can be independently configured to be a 120 Ω E1interface or 100 Ω T1 interface, which enables using the balanced FXC E1/T1unit as an E1/T1-converter.For more information on the FXC E1/T1 transmission unit, refer to the NokiaMetroHub Transmission Node Product Description.
General function, construction and unitsDN991444 © Nokia Corporation Draft 67 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialFigure 27. Wireline transmission unit alternativesFXC E1(unbalanced) FXC E1/T1(balanced)FC E1/T1IF1 TX/RXIF2 TX/RXIF3 TX/RXIF4 TX/RXIF1 TXIF1 RXIF2 TXIF2 RXIF3 TXIF3 RXIF4 TXIF4 RXIF TXIF RXIF TX/RX
Product Description68 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft6.6 Power supply unit (HVSx)The purpose of the power supply unit is to convert the incoming AC or DC supplyvoltages into the appropriate DC output voltages. The power is distributed to theunits of the Nokia MetroSite EDGE Base Station and to radio outdoor units (ifused) via the backplane. DC power supplies are reverse polarity protected.In the case of mains power failure, the AC power supply unit provides a backuptime of 130 ms during which the alarm can be sent. The alarm signal appearswhen the input voltage drops below the specified limit. The limit is dependent onthe power supply unit type.6.6.1 Power supply unit alternativesThe power supply units alternatives available for the Nokia MetroSite EDGEBase Station are listed in Table 7.6.6.2 Output voltagesThe output voltages from the power supply unit are the following:• +3.4 VDC, +5.1 VDC, -5.1 VDC, +9.1 VDC, -9.1 VDC, +26.2 VDC and+55 VDC• 24 VDC for fan unitWhen the fan unit is not in use, the same output voltage feeds power to the heater.The output voltage to the fan unit and heating is controlled by the I2C-bus. Theheating voltage is controlled in five steps ranging from 0 VDC (no heating) to 24VDC (full heating), the intermediate voltages being 7.2 VDC, 10.9 VDC and 14.7VDC.DC power supplies are reverse polarity protected.Table 7. Power supply unit alternativesInput voltage PSU type230 VAC HVSA110 VAC HVSB-48 VDC HVSD+24 VDC HVSC (available for the 800 and 1900MHz BTS)
General function, construction and unitsDN991444 © Nokia Corporation Draft 69 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential6.6.3 Connector typesAll alternative power supply units have the same physical appearance. The powerinput connector types, however, are different. The power supply unit and the threeconnector types are shown in Figure 28.Figure 28. Power supply unitThe connector type of each power supply alternative is presented in Table 8.AC 230 VAC 110 VDCMain power switchwith two positions:ON and stand-byConnector alternatives:1231232314
Product Description70 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft6.7 Fan unit (HVMF)The fan unit is located at the bottom of the cabinet. The master TRX controls thefan unit via I2C-bus according to temperature information from other units. Thecooling is performed by adjusting the rotation speed of the fan. The adjustablespeed also minimises the noise generated by the fan unit. The fan unit has 16speeds.One cooling fan unit is available, applicable for all MetroSite TRX variants. Thefan details are given in Table 9 and is shown in Figure 29.Table 8. Power supply connector typesPower supplytype Connector type Pin configuration230 VAC IEC 320 (male) 1 = Ground (E)2 = Neutral (N)3 = Live (L)110 VAC IEC 320 (male) with anotch1 = Ground (E)2 = Live 2 (L2)3 = Live 1 (L1)-48 VDC Anderson Power pole 1 = Ground2 = Positive input, +36 to +60 VDC,permitted fluctuation ±20% (or positiveinput 0 V)3 = Negative input, 0 V (or negativeinput -36 to -60 VDC, permittedfluctuation ±20%)4 = spacer+24 VDC Anderson Power pole 1 = Ground2 = Positive input, 0 V (or +20 to +28VDC, permitted fluctuation ±20%)3 = Negative input, -20 to -28 VDC,permitted fluctuation ±20% (or negativeinput 0 V)4 = spacer
General function, construction and unitsDN991444 © Nokia Corporation Draft 71 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialFigure 29. Fan unitTable 9. Cooling fans detailsFan type Cooling fan capacity NotesHVMF 120 m3/hr (4238 ft3/hr) For all MetroSite BTS TRXsHVMF
Product Description72 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft
Unit alternatives and other delivery itemsDN991444 © Nokia Corporation Draft 73 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential7Unit alternatives and other deliveryitemsThis chapter details the unit alternatives for Nokia MetroSite EDGE BaseStations.Table 10. Transceiver unit alternativesInput power Frequency band Unit type Notes5 W GSM 900 HVTGA Standard filter5 W GSM 900 HVTGH Customer specificfilter5 W GSM 900 HVTGJ Customer specificfilter5 W GSM 1800 HVTDA Standard filter5 W GSM 1900 HVTPA Standard filter5 W GSM/EDGE 800 WTFA Standard filter5 W GSM/EDGE 900 WTGA Standard filter5 W GSM/EDGE 900 WTGH Customer specificfilter5 W GSM/EDGE 900 WTGJ Customer specificfilter5 W GSM/EDGE 1800 WTDA Standard filter5 W GSM/EDGE 1900 WTPA Standard filter
Product Description74 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftPrefabricated LMP, EAC, power (AC and DC), Flexbus, Extension and Q1 cablesfor the Nokia MetroSite EDGE Base Station can also be ordered from Nokia.Table 11. Nokia MetroSite EDGE Base Station unit alternatives and otherdelivery itemsUnit/Item Alternatives NokiaabbreviationsTransmission unit FXC RRIFC E1/T1FXC E1 75 ΩFXC E1/T1 120/100 ΩVXRBVXEAVXTAVXTBPower supply unit AC 230 VAC 110 VDC -48 VDC +24 VHVSAHVSBHVSDHVSCInterface unit - VIFAFan unit - HVMFCover unit StandardNEBS coverHVCUWCUANokia MetroSite BTSManager--Customer documents Nokia MetroSite EDGE Base StationProduct OverviewNokia MetroSite EDGE Base StationUser Manual-Options Pole mounting kit -
Technical specificationsDN991444 © Nokia Corporation Draft 75 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential8Technical specificationsThe purpose of this chapter is to provide all the necessary technical data for theNokia MetroSite EDGE Base Station.Table 12. Common technical dataProperty Value NoteHeight 871 mm (34.3 in) 954 mm (37.56 in)including the cables coverWidth 310 mm (12.20 in) -Depth 215 mm (8.46 in) -Weight Maximum 40 kg (88.18lb) with four TRXsApproximately 18 kg (39.68lb) without TRXs. Heaviestsingle part is 8 kg (17.66lb).Low temperature limit - 40°C (-40°F) -High temperature limit + 50°C (122°F) -Ingress protection class IP55UL50-3RProtection class of unitswithin cabinetAcoustic noise 55 dBA typical61 dBA maximum(Sound power)Nominal input voltage(external supply voltage)230 VAC110 VAC-48 VDC+24 VDC--(-36 to -60 VDC)(+20 to +28 VDC)Permitted operating voltagefluctuation184 VAC - 276 VAC85 VAC - 145 VAC-28 VDC - -72 VDC+20 VDC - +28 VDC(44 Hz - 65 Hz)(44 Hz - 65 Hz)
Product Description76 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftTypical power demand 300 W340 W5W GSM TRXs5W GSM/EDGE TRXs• Four TRXs• FC E1/T1• No heatingMaximum power demand 420 W630 W5W GSM TRXs5W GSM/EDGE TRXs• 1900 MHz TRXs• Four TRXs• FXC RRI• 2 FlexiHoppers• Worst case heatingscenarioCooling fan capacity 120 m3/hr (4238 ft3/hr) -Table 13. Specific technical data for the 5W GSM 900 TRXProperty Value NoteTX frequency range A: 925 - 960 MHzH: 943 - 960 MHzJ: 935 - 960 MHzExtended GSMH and J arecustomer specificfiltersRX frequency range A: 880 - 915 MHzH: 897.5 - 915 MHzJ: 890.1 - 915 MHzH and J withimproved isolationbetween TX andRX bandsChannel spacing 200 KHz -Available radio channels 174 -TX output power at antennaconnector, nominal37 dBm ± 2dB at 20°C(68°F), ± 2.5dB atextremetemperaturesDynamic power range 30 dB (15 x 2 dB steps) -Table 12. Common technical data (Continued)Property Value Note
Technical specificationsDN991444 © Nokia Corporation Draft 77 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialStatic RX sensitivity -108.0 dBm-106.0 dBmNominalMinimumRX diversity Yes With two or moreTRXs in onesectorIsolation requirement forantenna or external combinerequipmentMinimum 25 dB -Table 14. Specific technical data for the 5W GSM 1800 TRXProperty Value NoteTX frequency range 1805 - 1880 MHz -RX frequency range 1710 - 1785 MHz -Channel spacing 200 KHz -Available radio channels 374 -TX output power at antennaconnector, nominal37 dBm ± 2 dB at 20°C(68°F), ±2.5 dB atextremetemperaturesDynamic power control 30 dB (15 x 2 dB steps) -Static RX sensitivity -108.0 dBm-106.0 dBmNominalMinimumRX diversity Yes With two or moreTRXs in onesectorIsolation requirement forantenna or external combinerequipmentMinimum 25 dB -Table 13. Specific technical data for the 5W GSM 900 TRX (Continued)Property Value Note
Product Description78 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftTable 15. Specific technical data for the 5W GSM 1900 TRXProperty Value NoteTX frequency range 1930 - 1990 MHz -RX frequency range 1850 - 1910 MHz -Channel spacing 200 KHz -Available radio channels 293 (298) Five blockedchannels. Moreoptions availablefor certainmarkets in thefuture.TX output power at antennaconnector, nominal37 dBm ± 2 dB at 20°C(68°F), ±2.5 dB atextremetemperaturesDynamic power control 30 dB (15 x 2 dB steps) -Static RX sensitivity -108.0 dBm-106.0 dBmNominalMinimumRX diversity - With two or moreTRXs in onesectorIsolation requirement forantenna or external combinerequipmentMinimum 25 dB -Table 16. Specific technical data for the 5W GSM/EDGE 800 TRXProperty Value NoteTX frequency range A: 869 - 894 MHz -RX frequency range 824 - 829 MHz -Channel spacing 200 KHz -Available radio channels 119 Four blockedchannels
Technical specificationsDN991444 © Nokia Corporation Draft 79 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialTX output power at antennaconnector, nominal37 dBm (GMSK)35 dBm (8-PSK)± 2 dB at 20°C(68°F), ±2.5 dB atextremetemperaturesDynamic power range Static power level range(BCCH):• 18 dB (GMSK)• 10 dB (8-PSK)Total (static + dynamic) powerlevel range:• 30 dB (GMSK)• 16 dB (8-PSK)Step size: 2 dB-Static RX sensitivity -108.0 dBm (GMSK)-106.0 dBm (GMSK)NominalMinimumRX diversity Yes With two or moreTRXs in onesectorIsolation requirement forantenna or external combinerequipmentMinimum 25 dB -Table 17. Specific technical data for the 5W GSM/EDGE 900 TRXProperty Value NoteTX frequency range A: 925 - 960 MHzH: 943 - 960 MHzJ: 935 - 960 MHzExtended GSMH and J arecustomer specificfiltersRX frequency range A: 880 - 915 MHzH: 898 - 915 MHzJ: 890 - 915 MHzH and J withimproved isolationbetween TX andRX bandsChannel spacing 200 KHz -Available radio channels 174 -Table 16. Specific technical data for the 5W GSM/EDGE 800 TRXProperty Value Note
Product Description80 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftTX output power at antennaconnector, nominal37 dBm (GMSK)35 dBm (8-PSK)± 2 dB at 20°C(68°F), ±2.5 dB atextremetemperaturesDynamic power range Static power level range(BCCH):• 18 dB (GMSK)• 10 dB (8-PSK)Total (static + dynamic) powerlevel range:• 30 dB (GMSK)• 16 dB (8-PSK)Step size: 2 dB-Static RX sensitivity -108.0 dBm (GMSK)-106.0 dBm (GMSK)NominalMinimumRX diversity Yes With two or moreTRXs in onesectorIsolation requirement forantenna or external combinerequipmentMinimum 25 dB -Table 18. Specific technical data for the 5W GSM/EDGE 1800 TRXProperty Value NoteTX frequency range A: 1805 - 1880 -RX frequency range A: 1710 - 1785 MHz -Channel spacing 200 KHz -Available radio channels 374 -TX output power at antennaconnector, nominal37 dBm (GMSK)35 dBm (8-PSK)± 2 dB at 20°C(68°F), ±2.5 dB atextremetemperaturesTable 17. Specific technical data for the 5W GSM/EDGE 900 TRXProperty Value Note
Technical specificationsDN991444 © Nokia Corporation Draft 81 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialDynamic power control Static power level range(BCCH):• 18 dB (GMSK)• 10 dB (8-PSK)Total (static + dynamic) powerlevel range:• 30 dB (GMSK)• 16 dB (8-PSK)Step size: 2 dB-Static RX sensitivity -108.0 dBm (GMSK)-106.0 dBm (GMSK)NominalMinimumRX diversity Yes With two or moreTRXs in onesectorIsolation requirement forantenna or external combinerequipmentMinimum 25 dB -Table 19. Specific technical data for the 5W GSM/EDGE 1900 TRXProperty Value NoteTX frequency range A: 1930 - 1990 MHz -RX frequency range A: 1850 - 1910 MHz -Channel spacing 200 KHz -Available radio channels 293 (298) Five blockedchannels. Moreoptions availablefor certainmarkets in thefuture.TX output power at antennaconnector, nominal37 dBm (GMSK)35 dBm (8-PSK)± 2 dB at 20°C(68°F), ±2.5 dB atextremetemperaturesTable 18. Specific technical data for the 5W GSM/EDGE 1800 TRXProperty Value Note
Product Description82 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftDynamic power control Static power level range(BCCH):• 18 dB (GMSK)• 10 dB (8-PSK)Total (static + dynamic) powerlevel range:• 30 dB (GMSK)• 16 dB (8-PSK)Step size: 2 dB-Static RX sensitivity -108.0 dBm (GMSK)-106.0 dBm (GMSK)NominalMinimumRX diversity - With two or moreTRXs in onesectorIsolation requirement forantenna or external combinerequipmentMinimum 25 dB -Table 20. HW interfaces of Nokia MetroSite EDGE Base StationInterface Number Connector type/noteAntenna connectors 1 to 4 N-type (female), one for each TRXRX diversity connectors 2 to 8 SMA (female), two for each TRXAC supply 230 V 1 IEC 320 (male)AC supply 110 V 1 IEC 320 (male), with a notchDC supply -48 V 1 Anderson Power PoleDC supply -24 V 1 Anderson Power PoleGrounding 1 Cable clampExternal alarms and controls 1 10 alarm inputs, 26-pin mini D-type(female)4 control outputsExtension connectors 2 Out/In: 50-pin mini D-type (female)13 MHz clock interface 1 MCX (female)Table 19. Specific technical data for the 5W GSM/EDGE 1900 TRXProperty Value Note
Technical specificationsDN991444 © Nokia Corporation Draft 83 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialFrame clock 1 MCX (female)Q1 interface 1 TQLocal management port (LMP) 1 BQ, RS-232Table 21. Transmission interfaces of Nokia MetroSite EDGE Base StationInterface Number Connector type/noteFC RRI 1 TNC (50 Ω), Flexbus connection tooutdoor unitFXC RRI 2 TNC (50 Ω), Flexbus connection tooutdoor unitFC E1/T1 21BT43 (75 Ω)TQ (120/100 Ω)FXC E1 (75 Ω) 8 BT43FXC E1/T1 (120/100 Ω)4 TQTable 22. Flexbus cable characteristicsProperty ValueCable type Coaxial cable, double shielded or semi-rigid(recommended types RG-223, RG-214)Characteristic impedance 50 ± 2 ΩDC resistance < 4.6 Ω (sum of inner and outer conductor)Data attenuation < 9.0 dB at 19 MHzFlexbus signals DC power supplyBidirectional data (37 Mbit/s, NRZ code, 1.4 Vpulse amplitude)Length Maximum 140 m for RG-223Maximum 300 m for RG-214Table 20. HW interfaces of Nokia MetroSite EDGE Base Station (Continued)Interface Number Connector type/note
Product Description84 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft8.1 Dimensions and weights of plug-in unitsThis section presents the dimensions and weights of the plug-in units.8.1.1 Transceiver unit8.1.2 Interface unitTable 23. Dimensions and weight of the TRXDimension ValueHeight 314 mm12.4 inWidth 61 mm2.4 inDepth 233 mm9.2 inWeight 4.5 kg9.9 lbTable 24. Dimensions and weight of the interface unitDimension ValueHeight 58 mm2.3 inWidth 152 mm6.0 inDepth 200 mm7.9 inWeight 1 kg2.2 lb
Technical specificationsDN991444 © Nokia Corporation Draft 85 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential8.1.3 Transmission unit8.1.4 Power supply unit8.2 System requirements for Nokia MetroSite BTSManagerSystem requirements for Nokia MetroSite BTS Manager are detailed in Table 27.Table 25. Dimensions and weight of the transmission unitDimension ValueHeight 254 mm10 inWidth 28 mm1.10 inDepth 164 mm6.5 inWeight 1.35 kg3 lbTable 26. Dimensions and weight of the power supply unitDimension ValueHeight 245 mm9.7 inWidth 60 mm2.4 inDepth 268 mm10.6 inWeight < 4 kg (depending on type)< 8.8 lb
Product Description86 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft8.3 Basic telecommunication featuresThe Nokia MetroSite EDGE Base Station supports the following basictelecommunication features:• DRX, discontinuous reception• DTX, discontinuous transmission• Handover and power control algorithms• Stand-alone Dedicated Control Handover (SDCH)• Interference band selection based on MS power• Logical channel configurations (based on GSM/DCS recommendation05.02.)• Full Rate Speech• Ciphering (support for A5/0,1,2)• FACCH emergency call set-upTable 27. System requirements for Nokia MetroSite BTS ManagerComputer Intel Pentium based IBM-compatible PCOperating system Microsoft Windows NT 4.0 (with service pack 4)Microsoft Windows 95 (or Microsoft Windows 98) withservice pack 1System memory(minimum)Microsoft Windows NT 4.0:• 32 MB RAMMicrosoft Windows 95 or 98:• 16 MB RAMMonitor SVGA, min 800x600 resolutionMinimum disk space 40 MBAccessories CD-ROM driveWindows compatible mouse or pointing deviceWindows compatible printer (optional)Cable (PC - BTS)
Technical specificationsDN991444 © Nokia Corporation Draft 87 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential8.4 International recommendationsThis section lists the recommendations referred to in the designing of the NokiaMetroSite EDGE Base Station.8.4.1 Common standardsTable 28 lists the common standards referred to in the designing of the NokiaMetroSite EDGE Base Station.8.4.2 Electrical standardsThe tables of this section list the electrical standards referred to in the designingof the Nokia MetroSite EDGE Base Station.Table 28. Common standardsStandard DescriptionETSI GSM 05.05/11.20/11.21/11.22/11.23 Standard for base station equipmentT1.713-2000 Personal Communications Services,PCS 1900 SpecificationsTIA/EIA PN-3777 EMC specificTable 29. Input voltage standardsStandard DescriptionETS 300 132-1:1996 Equipment Engineering Power Supply Interface at theinput to Telecommunications Equipment InterfaceOperated by Alternating Current (AC)ETS 300 132-2:1996 Power Supply Interface at the input totelecommunications equipment interface operated bydirect current (DC)GSM 11.20 Standard for base station equipmentETS 300 253, 1995 Earthing and bonding of telecommunication equipment intelecommunication centres
Product Description88 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftTable 30. Electrical safety standardsStandard DescriptionEN 60950: 1992A1: 1992A2: 1993A3: 1995A4: 1996IEC 950: 1991 A1: 1992A2: 1993A3: 1995A4: 1996Safety of Information Technology Equipment, includingElectrical Business Equipment + Amendments A1, A2, A3and A4UL1950: 1995, 3rdeditionStandard for Safety of Information Technology Equipment,including Electrical Business EquipmentFCC Part 68 Rules for Registration of Telephone Equipment PART 68:1995EN 60215:1988IEC 215: 1987BS 3192Safety requirements for radio transmitting equipmentTable 31. Product specific EMC standardsStandard DescriptionETS 300 342 2, 1994 Radio Equipment and Systems (RES); Electro-MagneticCompatibility (EMC) for European digital cellulartelecommunications system (GSM 900 and DCS 1800MHz) Part 2: Base station and ancillary equipmentd-ETS 300 342-3:1997 Radio Equipment and Systems (RES); Electro-MagneticCompatibility (EMC) for European digital cellulartelecommunications system Part 3: Base station andancillary equipment and repeaters meeting, Phase 2,GSM requirements
Technical specificationsDN991444 © Nokia Corporation Draft 89 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialETSI GSM 11.20ETSI GSM 11.21Standard for base station equipmentStandard for base station equipmentANSI T1.713-2000 Personal Communications Services; PCS 1900SpecificationsTIA/EIA PN-3777 EMC specificTable 32. Basic EMC standards based on d-ETS 300 342-3:1997Standard DescriptionETSI GSM 11.21 Standard for base station equipmentEN 55022, class B, 1994(IEC/CISPR 22, 1993)EN 55022/A1:1995Limits and methods of measurement of radiointerference characteristics of information technologyequipmentEN 61000-4-2: 1995IEC 1000-4-2: 1995Electromagnetic Compatibility (EMC) Part 4: Testing andmeasurement techniques Section 2: Electrostaticdischarge immunity test: Basic EMC publicationEN 61000-4-3: 1995IEC 1000-4-3: 1995Electromagnetic Compatibility (EMC) Part 4: Testing andmeasurement techniques Section 3: Radiated, radio-frequency, electromagnetic field immunity testEN 61000-4-4: 1995IEC-1000-4-4: 1995Electromagnetic Compatibility (EMC) Part 4: Testing andmeasurement techniques Section 4: Electrical fasttransient/burst immunity test: Basic EMC publicationEN 61000-4-5: 1995IEC-1000-4-5: 1995Electromagnetic Compatibility (EMC) Part 4: Testing andmeasurement techniques Section 5: Surge immunitytestEN 61000-4-6: 1996IEC 1000-4-6: 1996Electromagnetic Compatibility (EMC) Part 4: Testing andmeasurement techniques Section 6: Immunity toconducted disturbances, induced by radio-frequencyfieldsIEC 1000-4-11: 1994EN 61000-4-11: 1994Electromagnetic Compatibility (EMC) Part 4: Testing andmeasurement techniques Section 11: Voltage dips, shortinterruptions and voltage variations immunity testsTable 31. Product specific EMC standards (Continued)Standard Description
Product Description90 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft8.4.3 EnvironmentThe environmental standards referred to in the designing of Nokia MetroSiteEDGE Base Station are described in this section.Table 33. Additional EMC standardsStandard DescriptionFCC Part 15FCC Part 24FCC Rules for Radio Equipment DevicesPersonal Communication ServicesIEC 1000-3-2,EN 60555-2BS 5406 Part 2Electromagnetic Compatibility (EMC)Part 3: Limits - Section 2: Limits forharmonic current emission (equipmentinput current ≤16 A per phase)IEC 1000-3-3: 1994EN 61000-3-3: 1995EN 60555-3: BS 5406Electromagnetic Compatibility (EMC)Part 3: Limits - Section 3: Limitation ofvoltage fluctuation and flicker in low-voltage supply systems for equipmentwith rated current ≤16 AIEC 1000-4-8: 1993 Electromagnetic Compatibility (EMC)Part 4: Testing and measurementtechniques Section 8: Power frequencymagnetic field immunity test: Basic EMCpublicationIEC 1000-4-9: 1993 Electromagnetic Compatibility (EMC)Part 4: Testing and measurementtechniques Section 9: Pulse magneticfield immunity test: Basic EMCpublication
Technical specificationsDN991444 © Nokia Corporation Draft 91 (98)Issue 3-0 en Draft Nokia Proprietary and Confidential8.4.4 Mechanical standardsThe mechanical standards referred to in the designing of the Nokia MetroSiteEDGE Base Station are described in this section.Table 34. Environmental standardsStandard DescriptionETS 300 019-1-1:1992ETS 300 019-2-1:1994Equipment Engineering (EE); Environmental conditionsand environmental tests for telecommunicationsequipment Part 1-1: Classification of environmentalconditions: StorageEquipment Engineering (EE); Environmental conditionsand environmental tests for telecommunicationsequipment Part 2-1: Specification of environmentaltests: StorageETS 300 019-1-2:1992ETS 300 019-2-2:1994Equipment Engineering (EE); Environmental conditionsand environmental tests for telecommunicationsequipment Part 1-2: Classification of environmentalconditions: TransportationEquipment Engineering (EE); Environmental conditionsand environmental tests for telecommunicationsequipment Part 2-2: Specification of environmentaltests: TransportationETS 300 019-1-4:1992ETS 300 019-2-4:1994Equipment Engineering (EE); Environmental conditionsand environmental tests for telecommunicationsequipment Part 1-4: Classification of environmentalconditions: Stationary use at non-weather protectedlocationsEquipment Engineering (EE); Environmental conditionsand environmental tests for telecommunicationsequipment Part 2-2: Specification of environmentaltests: Stationary use at non-weather protected locations
Product Description92 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftNoteThe Nokia MetroSite EDGE BTS is designed to meet GR-63-CORE (NEBS) andGR-487-CORE only when fitted with the WCUA type cover (high impactpolycarbonate).8.4.5 Base station interface equipment - related recommendations andstandardsThe standards and recommendations related to base station interface equipmentare described in this section.Table 35. Mechanical standardsStandard DescriptionEN 60659BS 5490Degree of Protection Provided by Enclosures (IP Code)ISO 3744, 1988 Acoustics determination of sound power levels of noisesources: Engineering methods for special reverberation testroomsETS 300 753 Acoustic noise emitted by telecommunications equipmentIEC 68-2-57: 1989 Environmental Testing Part 2: Test Methods Ff: VibrationTime-history Method.GR-63-CORE:1995 Network Equipment-Building System (NEBS): PhysicalProtectionGR-487-CORE Corrosion Resistance - Temperature Cycling/High HumidityTable 36. Flexbus interfaceStandard DescriptionITU-T G.704 (10/94) Synchronous frame structures used at primary andsecondary hierarchical levelsITU-T G.706 (1991) Frame alignment and cyclic redundancy check (CGC)procedures relating to basic frame structures defined inRecommendation G.704
Technical specificationsDN991444 © Nokia Corporation Draft 93 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialITU-T G.823 (03/93) The control of jitter and wander within digital networkswhich are based on the 2048 Kbit/s hierarchyITU-T G.826 (08/96) Error performance parameters and objectives forinternational, constant bit rate digital paths at or aboveprimary rateITU-T G.921 Digital sections based on the 2048 Kbit/s hierarchyTable 37. 2048 Kbit/s E1 interfaceStandard DescriptionCCITT (Blue Book):• G.703• G.704• G.706• G.711• G.732• G.736• G.826• G.823• I.460• Digital Interface Characteristics• Functional Interface Characteristics• CRC Multiframe Structure• PCM Coding Law• Primary PCM Multiplexer• Synchronous 2 Mbit/s Digital Multiplexer• Jitter and Wander• Performance Parameters• Multiplexing, Rate AdaptionGSM:• 03.50• 08.51• 08.54• 08.52• Transmission Planning Aspects• BSC-BTS Interface, General Aspects• BSC-BTS Interface Principles• BSC BTS Interface Layer 1, Structure of PhysicalCircuitsTable 36. Flexbus interface (Continued)Standard Description
Product Description94 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftTable 38. 1544 Kbit/s T1 interfaceStandard DescriptionANSI T1.403 and T1.102ANSI T1.403Digital Interface CharacteristicsFunctional Interface CharacteristicsPCM Coding LawPrimary PCM MultiplexerSynchronous 2 Mbit/s Digital MultiplexerPerformance ParametersAT&T TR 62411 Jitter and Wander Multiplexing, Rate Adaptation
DN991444 ©Nokia Corporation Draft 95 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialIndexNumerics8-PSK (8 Phase Shift Keying) 57AAbis interface 15Air interface 15alarm diagnostics 27antenna 22applications 31autodetection 25Bbaseband module 54battery backup 28BBU 28BCF (base control functions) 47broadcast control channel (BCCH) 21broadcast control channel (BCCH) TRX 32BSC (base station controller) 15BTS 13building capacity 19Ccabinet 48C-bus 47cell, network management system. 20chain connection 36chaining 20channel DSP (CH) block 56coverage area, types of. 32DD1-bus 46D2-bus 46digital part 58dimensionsinterface unit 84plug -in units 84power supply unit 85transceiver unit 84transmission unit 85dual band operation 19duplex filter part 59EEAC (external alarms and controls) 62enhanced full rate speech coding 23Enhanced General Packet Radio Service (EGPRS)24extension interface 62Ffan unit 70F-bus 47F-bus interface 56FC E1 T1 36,64FC RRI 36features, BTS. 19Flexbus 63Flexbus, characteristics. 83Flexbus, interface. 93frequency hopping 22frequency re -use 21FXC E1 36,65FXC E1 T1 36,66FXC RRI 36,63GGeneral Packet Radio Service (GPRS) 24GMSK (Gaussian Minimum Shift Keying) 57GSM data services 23Hhalf rate speech coding 23HSCSD (high speed circuit switched data 23Iinstallation possibilities 24interface unitdimensions and weight 84technical information 59internal function, BTS. 45international recommendations 87LLMB (Local Management Bus) 46LMP (Local Management Port) 60LNA (Low Noise Amplifier) 58loop connection 36
Product Description96 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en DraftMmaster TRX 27microcells, building. 31mobile station (MS) 15MSC (mobile switching centre) 15Nnetwork quality 21Nokia MetroSite BTS Manager 39,40Nokia MetroSite Capacity Solution 17Nokia MetroSite EDGE Base Station 16Nokia MetroSite EDGE Base Station software 39Nokia SiteWizard 41non -transparent data 23OOSS (operational support system) 15output voltages 68Pplug -in unitslocations 51plug -in units 51power distribution 47power supply unitconnector types 69dimensions and weight 85unit alternatives 68power supply unit 68QQ1 connector 61Q1-bus 47Q1int-bus 47Rradio link transmission, unit alternatives. 63receiver (RX) part 58receiver diversity 21RF loop part 58RF module 56Ssafety requirementsSee standards 75SCF (Site Configuration File) 26sectoring 19shield units 24signallingbetween BTS and external equipment 46internal 46signalling 43slave TRX 27software 39standardsBTS interfaces 92common 87electrical 87electrical safety 87EMC 88environmental 90input voltage 87mechanical 91star connection 36system requirements 85Ttechnical datacommon 75GSM 1800 TRX 77GSM 1900 TRX 77GSM 900 TRX 76GSM/EDGE 1800 TRX 80GSM/EDGE 1900 TRX 81GSM/EDGE 800 TRX 78hardware interfaces 82transmission interfaces 83technical specifications 75telecommunication features, advanced. 23telecommunication features, basic. 86temperature control 28TQ connector 64traffic channel TRX 32transceiver unit (TRX)dimensions and weight 84external interfaces 59transceiver unit (TRX) 52transmission 36transmission node 15transmission unitdimensions and weight 85transmission unit 63transmitter (TX) part 57transparent data 23TRX mechanics 59TRX test 27
DN991444 ©Nokia Corporation Draft 97 (98)Issue 3-0 en Draft Nokia Proprietary and ConfidentialUunit alternatives 73unit controller (UC) block 56uplink diversity 21WweightBTS 75interface unit 84plug -in units 84power supply unit 85transceiver unit 84transmission unit 85wireline transmission, unit alternatives. 64
Product Description98 (98) © Nokia Corporation Draft DN991444Nokia Proprietary and Confidential Issue 3-0 en Draft

Navigation menu