Avaya Canada UMTS1900IND UMTS 1900 Indoor 2 iBTS User Manual EXHIBIT 11 to 11E Reference Man

Avaya Canada Corporation UMTS 1900 Indoor 2 iBTS EXHIBIT 11 to 11E Reference Man

Exhibit 8 User Manual

This document contains Proprietary Information of Northern Telecom Limited. This information is considered to be CONFIDENTIAL and should be treated appropriately.EXHIBIT 11 Reference Manual Applicant: Northern Telecom Ltd.For Certification on:AB6UMTS1900IND
Table of contentsNortel Networks Confidential vAbout the iBTSAbout this document 1...............................................Applicability 1......................................................................Audience 1........................................................................Prerequisites 1....................................................................How this document is organized 1....................................................Vocabulary conventions 2...........................................................What’s new in this iBTS release 3.....................................UMTS general description 4..........................................Nortel Networks UTRAN solution 7....................................iBTS description 9...................................................iBTS operational features 10...........................................iBTS tools and utilities 11.............................................Presentation of the iBTS outdoor 12...................................Presentation of the iBTS indoor 16.....................................Description of the digital shelf of the iBTS 21...........................Description of the RF block of the iBTS 23..............................Configuration rules of the iBTS 24.....................................STSR configuration 25................................................iBTS physical characteristics 26.......................................Hardware description of the digital shelf 27.............................CEM (Channel Element Module) description 28.........................TRM (Tranceiver Receiver Module) description 33.......................CCM (Core Control Module) description 38.............................GPSAM (GPS and Alarm Module) description 42........................External alarm management 45........................................MCA (Manufacturing, Commissioning, and Alarm) module(iBTS indoor) 49......................................................
Table of contents Nortel Networks ConfidentialviUMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01PCM protection 51....................................................PFM (Power Filter Module) (iBTS indoor) 53............................Hardware description of the RF block 54...............................DDM (Dual Duplexer Module) 55.......................................MCPA (Multi Carrier Power Amplifier) 59................................TMA (Tower Mounted Amplifier) 63.....................................Interconnection module of the iBTS 66.................................User space of the iBTS outdoor 70.....................................Power supply interface of the iBTS outdoor 71..........................Power supply interface of the iBTS indoor 74...........................BIP (Breaker Interface Panel) of the iBTS indoor 75.....................ac plinth (iBTS indoor 700) 77.........................................dc power system shelf of the iBTS 81..................................dc distribution module description 83..................................Rectifier description 85................................................SPCM (Single Power Control Module) 88...............................Batteries of the iBTS outdoor 89.......................................Batteries of the iBTS indoor 700 90....................................External battery cabinet 91............................................Cooling system of the iBTS outdoor 94.................................Fan tray of the iBTS indoor 97.........................................Physical architecture 99...............................................Hardware structure of the iBTS 100.....................................CCM functional description 103.........................................
Table of contentsNortel Networks Confidential viiAbout the iBTSCEM functional description 104.........................................TRM functional description 107.........................................GPSAM functional description 112......................................Physical interfaces 114.................................................Iub interface 115.......................................................Radio interface 116....................................................Protocol architecture 117...............................................Functional architecture 118.............................................Software management 122..............................................CEM software 126......................................................TRM software 127......................................................CCM software 130......................................................
Nortel Networks Confidential 7About the iBTSNortel Networks UTRAN solutioniRNCThe iRNC is the e--mobility Internet RNC. It is the 3GPP--compliant UMTS RNC developed by NortelNetworks. The generic term iRNC is used throughout this document to designate the e--mobility InternetRNC.The iRNC allows mobility between UMTS and GSM networks.The main functions of the iRNC are to control and manage:the RAN (Radio Access Network)the signaling between the different CN elements and the RNSthe node Bsthe radio resources of the corresponding node Bs.The iRNC houses the following cabinets:the C--Node (Control Node)The C--Node is an ATM--based engine that support UMTS call processing and signaling as well asOAM of both the RNC and the node Bs.the I--Node (Interface Node)This isbasedonPassport 15000.Itisahigh--capacity ATMswitch, inchargeoftheconnectivity(UserPlane) of the iRNC.the Access NodeThisoptionalcabinetisusedforaPCMxconfiguration.ItisaPassport7480switch.Themainfunctionof the Access Node is to convert the STM1 links into PCM links and vice versa.iBTSThe iBTS is the e--mobility Internet BTS. It is the 3GPP--compliant UMTS node developed by NortelNetworks. The generic term iBTS is used throughout this document to designate the e--mobility InternetBTS.The following types of iBTS are available:e--mobility Internet BTS ---- indoor version (600 and 700)e--mobility Internet BTS ---- outdoor version
Nortel Networks Confidential8UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01Figure 2UTRAN architecture
Nortel Networks Confidential 9About the iBTSiBTS descriptionIntroductionA node B is a logical node responsible for radio transmission/reception in one or more cells to/from theUser Equipement.A node B provides the following interfaces:the Iub interface towards the iRNCthe Uu interface towards the User Equipment (UE)A node B may consists of one or several iBTSs.The iBTS product is a line of products that cover different customers requirements:the outdoor BTS product (iBTS outdoor)the indoor BTS product (iBTS indoor 600 and iBTS indoor 700)The main functions of the iBTS are the following:to provide the means of communication between a UE and a network via Transport Channels.toprovidetheUEwithsomephysicallayerchannelswhicharenecessarytosynchronizethedownlinkand also to perform cell selection/reselection and handover preparationto provide measurement information to the RNC for radio resource management (handover, powercontrol)TheiBTS ismodular indesignfor easynetworkgrowthandflexibility,tomanagediversetrafficdemands.Common modules are used to grow the iBTS to increase capacity as demand requires. The increaseof capacity is provided via the simple addition of modules, as opposed tothe entire addition of cabinets.iBTS locationThe iBTS outdoor can be installed on two types of site:on terraces of buildingsat ground levelThe iBTS indoor can be installed inside premises, if an air exchanger is provided in these premises.iBTSs are connected to their controller (iRNC) in a star configuration.
Nortel Networks Confidential10UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01iBTS operational featuresThe main characteristics of the iBTS are the following:no need for an extra site cabinet (iBTS outdoor) for user space and batterieseasy installation and commissioninga flexible product: possible growth from low to high capacity without any additional cabinetsfront access onlyPCM internal protectionmost common modules between the iBTS outdoor and the iBTS indooriBTS indoor powered in dc or acThe iBTS is a low capacity solution that can grow in a modular way to full capacity.The iBTS supports the following functions:radio access and modem (modulation/demodulation, frequency up/down--conversion, amplification)call processing (channel set--up and management for both common and dedicated channels, cellmanagement, power control, handover and measurement)configuration and supervisionsynchronization (to retrieve a highly stable radio frequency from either the network interface)
Nortel Networks Confidential 11About the iBTSiBTS tools and utilitiesTheiBTS hastwomainmaintenance tools: theOAMAccess(Operation, AdministrationandMaintenance)andthe TIL (Terminal for Local Installation).The Operation and Maintenance center for Node B is responsible for the configuring and supervisingfunctions. The main OAM functions are the following:operation and maintenancealarm managementconfiguration and supervisionperformance monitoringThe TIL is composed of alaptop PC(with Webbrowser) connectedto the iBTS. The TIL is used toinstalland commission the iBTS.The TIL performs the following:It displays the existing hardware of the iBTS product.It automatically displays new hardware.It provides basic maintenance and test capabilities for all iBTS modules.It allows users to save reports (alarm, test reports) on the PC.It retrieves the hardware and software module configuration.It downloads new software of iBTS modules.
Nortel Networks Confidential12UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01Presentation of the iBTS outdoorThe iBTS outdoor is a single cabinet closed by two doors.Figure 3Outside view (iBTS outdoor)
Nortel Networks Confidential 13About the iBTSFigure 4Inside view (iBTS outdoor)The cabinet is divided into:the iDACS (internet Direct Ambient Cooling System) which is the cooling unit of the cabinetthe main compartmentthe bulkhead which allows cable connection and lightning protection
Nortel Networks Confidential14UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01The main compartment is divided into two parts:the left part which includes:xthe dc power system shelf: the dc distribution module, the SPCM (Single Power Control Module),the rectifiers (up to seven)xthe digital shelfxthe battery systemthe right part which includes:xthe ac distribution modulexthe RF blockxthe user space and its ICOxthe interconnection modulexthe ac filtering box
Nortel Networks Confidential 15About the iBTSFigure 5Bulkhead front view (iBTS outdoor)
Nortel Networks Confidential 21About the iBTSDescription of the digital shelf of the iBTSThe digital shelf houses all the digital modules of the iBTS. The digital shelf is common to theiBTS indoor 700and the iBTS outdoor and houses up to 12modules. These modules share ten slots in the iBTS indoor cabinet.Backplane functionalitiesThe backplane boardis partof thedigital shelf. It isin chargeof supporting allinternallinks andelectricalinterfaces between the modules of the digital shelf.All modules and cables carrying external signals plug into connectors mounted on the backplane board.The backplane board accomodates several high speed signals up to 1.3 Gbit/s. It supports --48 V or +24 V power supply.The backplane provides Inter--module connections and --48 V dc.Physical description of the digital shelf“T bar” rails are used in the digital shelf to guide the modules during insertion and removal operations.The digital shelf houses up to 10 modules (iBTS indoor 600) or 12 modules (iBTS outdoor and iBTSindoor 700), in complete configuration (for future versions), with flexible positions:CCM (Core Control Module)CEM (Channel Element Module)TRM (Transceiver Receiver Module)GPSAM (GPS interface and Alarm Module)All the modules are removable and are 50--mm wide.All the cables providing interconnection between the modules are mounted at the front of them.
Nortel Networks Confidential22UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01Figure 11Front view of the digital shelf (iBTS outdoor and iBTS indoor 700)F=Filler: module available for future versionsFigure 12Front view of the digital shelf (iBTS indoor 600)F=Filler: module available for future versions
Nortel Networks Confidential 23About the iBTSDescription of the RF block of the iBTSThe RF block contains the MCPA and the DDM modules. The RF block is common to the iBTS indoor and theiBTS outdoor. The number of modules depends on the iBTS configuration.Physical descriptionThe RF block contains the RF modules:One MCPA shelf that contains six slots. In the three MCPAs configuration, these MCPAs are housedin slots 1, 3, and 5. There is no electrical backplane in the MCPA shelf: all the interconnection cablesare mounted at the front of the MCPAs.One DDM shelf that contains three DDMs.All the cables providing interconnection between the modules are mounted at the front of them.Figure 13Front view of the MCPA shelf
Nortel Networks Confidential24UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01Configuration rules of the iBTSThe iBTS has the following characteristics:one mode of operation: STSRone frequency carrierAntenna configurationThe iBTS can be equipped with:two antennas for single--sector configurationfour antennas for bi--sector configurationsix antennas for three--sectors configurationFrequency carriersThe iBTS supports multi--carriers configuration and allows 5 MHz operation in the STSR configuration.
Nortel Networks Confidential 25About the iBTSSTSR configurationSTSR configuration stands for Sectorial Transmit Sectorial Receive. It is the standard three--sectorconfiguration. The iBTS is logically declared at the iRNC as three cells. The user equipment reportsmeasurements for the three sectors and softer handover is controlled by the network.The power allocation in STSR is independant across sectors.The iBTS supports the STSR1 configuration: one carrier per sector.The STSR1 configuration requires:one TRM which allows the reception of up to 6 signals (3x2)one CCMone CEM which is configured for three sectors x two carriersthree MCPAs (one per sector)three DDMs (one per sector)iBTS outdoorThe outdoor cabinet equipment layout follows the rules described in the following table:45WconfigurationDigital shelf RF shelf Power45--Wconfiguration CCM TRM CEM GPSAM MCPA DDM RectifierSTSR1 1 1 1 1 3 3 4+1iBTS indoorThe indoor cabinet equipment layout follows the rules described in the following table:Digital shelf RF shelf PowerConfiguration CCM TRM CEM GPSAM MCPA DDM RectifierplinthSTSR1 1 1 1 1 3 3 7+1
Nortel Networks Confidential26UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01iBTS physical characteristicsThis section gives the physical characteristics of the iBTS cabinet.iBTS outdoorDimension and weightwidth: 1,35 mdepth: 0,7 mheight: 1,3 mweight :xfully equipped: 520 kgxin STSR1 configuration with internal batteries: 426,4 kgiBTS indoorDimension and weight of the iBTS indoor 600Width: 0,6 mDepth: 0,6 mHeight:1,6 mWeight: 260 kg (fully equipped)Dimension and weight of the iBTS indoor 700Width: 0,7 mDepth: 0,6 mHeight:1,6 mWeight: 325,5 kg (fully equipped)Dimension and weight of the iBTS indoor 700 with ac plinthWidth: 0,7 mDepth: 0,6 mHeight: 2 mWeight: 513,5 kg (fully equipped)
Nortel Networks Confidential 33About the iBTSTRM (Tranceiver Receiver Module) descriptionThe TRM is located in the iBTS digital shelf. In the complete configuration, for future versions, the highestnumber of TRMs is four. The present version contains only one TRM.
Nortel Networks Confidential34UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01TRM hardware descriptionFigure 17Front view of the TRM
Nortel Networks Confidential 35About the iBTSFront panel descriptionThe front panel of the TRM module has two corporate leds indicating the TRM status:GreenrectangularLEDRed triangularLED StatusOFF OFF Sleep, unpowered or not insertedON ON Power up self--test underwayON OFF Module should not be removedON BLINK Module is partially faultyOFF ON Module may be removed, alarm state, BISTs NOKOFF BLINK Module is waiting for BootThe front panel also has:one “Debug” Ethernet connector (RJ--45 type connector)one “Reset” button accessible through an eye in the front panelthree RF outputs (to MCPAs): “Tx A out”, “Tx B out”, and “Tx C out” (SMA connectors)six RF inputs (from DDMs): “Rx in” (radial connectors)one interconnection connector for digital communication between RF modules (D--sub connector)Haardware compositionThe TRM is made of two boards.one dTRM board, including:x6 Tx channelizersx3 Rx channelizersone rTRM board, including:x3 wideband transmittersx3 dual 5 MHz receivers
Nortel Networks Confidential36UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01TRM interfacesFigure 18TRM interfacesNote: This figure describes the complete configuration (available for future versions)
Nortel Networks Confidential 37About the iBTSInternal interfacesThe internal interfaces are the signals exchanged between the rTRM and the dTRM boards.The samples are sent to the rTRM board and are converted into an analog signal. In the oppositedirection,therTRMboarddigitallyconvertsthesixreceivedsignalsandsendstheresultingsampleflowsto the dTRM board.External interfacesThe external interfaces are the following:digital shelf backplane interface: based on the dTRM boardCCM interface: based on the common HSSL interface
Nortel Networks Confidential38UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01CCM (Core Control Module) descriptionThe CCM is located in the iBTS digital shelf. In the complete configuration, for future versions, the highestnumber of CCMs is two. The present version contains only one CCM.CCM hardware descriptionFigure 19Front view of the CCM
Nortel Networks Confidential 39About the iBTSFront panel descriptionThe connectors of the front panel are the following:one “ATM” test port (RJ--45 connector)two “Port 1” and“Port 2” Ethernet ports (10/100 Base Tand 10Base T connectors) used for Ethernetaccess and TIL connectionone “E1/T1” connector (44--pin D--sub female connector) used for E1/T1 connectionthree timing reference ports (SMB connector) for iBTS commissioning labelled “10 MHz”, “ES Out”(Even Second Output), and “ES In” (Even Second Input)The leds on the front panel are the following:two corporate leds indicating the CCM status:GreenrectangularLEDRed triangularLED StatusOFF OFF BISTs results NOK, Sleep, unpowered or not insertedON ON Power up self--test underwayON OFF Module should not be removedON BLINK Module is partially faultyOFF ON Module may be removed, alarm stateOFF BLINK Module is waiting for BootBLINKING OFF, ON, orBLINK Downloading in progresstwo synchronization status indicators: “Lock” (green led) and “Holdover” (yellow led)one “Activity” led which indicates the module statuseight PCM status leds which indicate if the PCM link is OK (green led), if the PCM is in alarm (redled), or if the PCM is in tri--state (amber led)The CCM front panel also has a display witch indicates the synchronization source. The dot on the rightof the indication allows to differentiate the synchronized state.Display1,2,3,4,5,6,7, 8 PCM numberaorb GPS 0 or GPS 1Aactive CCMEeven second external inputHholdover mode
Nortel Networks Confidential40UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01CCM interfacesSignal interfacesOne CCM supports up to three wide--band carriers with transmit and receive diversity in a tri--sectoredcarrier configuration.Each CCM is linked with the CEM and TRM by a point--to--point HSSL connection.The two CCMs are linked by two signals:the IML ATM links: 155 Mbit/sthe IMC links: 10 Mbit/sThe following figure shows the different interfaces of the CCM.
Nortel Networks Confidential 41About the iBTSFigure 20Data flow of the CCMNote: This figure describes the complete configuration (available for future versions).
Nortel Networks Confidential42UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01GPSAM (GPS and Alarm Module) descriptionThe GPSAM is located on the right side of the iBTS digital shelf.
Nortel Networks Confidential 43About the iBTSHardware descriptionFigure 21Front view of the GPSAM
Nortel Networks Confidential44UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01The GPSAM is a single module located on the right--hand side of the iBTS digital shelf.Front panel descriptionThe front panel of the GPSAM module has:one ”interco link” (RJ--45 type connector) connector used to connect the interconnection module incase of an extension cabinetone ”Internal bus” (RJ--45 type connector) connector used for the iBTS internal bus linkone ”External bus” (RJ--45 type connector) connector used for the iBTS external bus linkone three positions switch: “Base”, “Ext. 0”, and “ Ext. 1” which indicates in which cabinet (basecabinet, first extension cabinet, or second extension cabinet) the digital boards are inserted.two “GPS Ant” 15--pin D--sub female connectors for the optional connection of GPS smart receivers,not used in this product release.LedsThe front panel of the GPSAM module has two corporate leds indicating the GPSAM status:GreenrectangularLEDRed triangularLED StatusOFF OFF sleep, unpowered or not insertedON ON power up self--test underwayON OFF operational moduleOFF ON alarm stateTRM interfacePower supplyThe GPSAM is powered with external --48 V dc.The maximum power is estimated at 20 W.
Nortel Networks Confidential54UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01Hardware description of the RF blockThis section describes the modules of the RF block:DDM (Dual Duplexer Module)MCPA (Multi Carrier Power Amplifier)optional TMA (Tower Mashead Amplifier)
Nortel Networks Confidential 55About the iBTSDDM (Dual Duplexer Module)The DDMs are located in the DDM shelf which houses three DDMs. The DDM is used in outdoor or indoorconfigurations.Hardware descriptionFigure 30Front view of the DDM
Nortel Networks Confidential56UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01Front panel descriptionThe front panel of the DDM has two corporate leds indicating the DDM status:GreenrectangularLEDRed triangularLED StatusOFF OFF Sleep, unpowered or not insertedON ON Power up self--test underwayON OFF Module should not be removedON BLINK Module is partially faultyOFF ON Module may be removed, alarm stateOFF BLINK Module is waiting for BootOne two position switch indicates the functioning mode of the DDM: mode with TMA or mode withoutTMA.Hardware compositionThe design of the DDM allows an easy transition from receive diversity to transmit diversity.TheDDMconsistsofadouble--duplexerLNAchain:oneforthemainpath,theotherforthediversitypath.The DDM provides the following functions:isolation between transmit and receive signalsfiltering of the transmitted and received signals to reduce interfering signalsDDM interfacesAll DDM interfaces are located on the front panel.There are three types of interface:RF interfacedigital interfacepower supply interfaceRF interfaceRadio interfaces are coaxial cables:two “Antenna” ports, main & diversity (7/16 female connector)two “Transmitter” inputs (N female connector)eight “Rx” outputs (SMA female connector)
Nortel Networks Confidential 57About the iBTSDigital interfaceThe corresponding connector is a 15--pin D--sub female connector. The digital interface allowscommunication with the TRM. TRM software is able to detect if a DDM is physically connected to thisinterface.Power supplyThe DDM is power supplied by --48 V dc.Detailed functional descriptionThe main functions of the DDM are the following:one single antenna port for the Tx and Rx pathsdedicated isolation between Tx and Rx frequency bandsTx and Rx out--of--band filteringlow--noise amplification in Rx frequency bands and signal splitting into four local outputsVSWR alarm monitoring capabilityTMA dc supplyingTMA alarm monitoringsuppression of transient voltage suppression from the antenna port following external lightningprotectioninventory capabilityactive function monitoring
Nortel Networks Confidential58UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01Figure 31DDM block diagramThe DDM includes two dc/dc converters dedicated to the main and diversity branches:one converter supplies TMA and DDM mainthe other converter supplies TMA and DDM diversityTwo VSWR monitors are also included in the DDM: they are able to monitor RF matching between theantenna and the iBTS.
Nortel Networks Confidential 59About the iBTSMCPA (Multi Carrier Power Amplifier)The MCPAs are located in the MCPA shelf which houses up to 6 MCPAs. The present version of the iBTScontains three MCPAs.Hardware descriptionFigure 32Front view of the MCPA moduleThe front panel of the MCPA module has one led indicating if the MCPA module is operational: the ledis green if the module is operational and red if it is not operational.
Nortel Networks Confidential60UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01The front panel also has one on/off power switch to switch off the input dc supply.All external connections are connected to the MCPA through the front panel.MCPA interfaceRadio interfacesThe front panel has two “RF IN” connectors (SMA 50 :female connector) and one “Transmitter”connector (N female type connector) for RF ouput for radio interface.Interconnection interfacesThe front panel has one “Data I/O” connector for digital information exchange with the TRM (25--pinsD--sub connector).Power supply interfaceThe front panel has one “Power IN” connector (3--pin 3W3 connector).MCPA functional descriptionThe MCPA module provides downlink signal amplification. The aim of the MCPA is to amplify the RFsignal delivered by the TRM.The MCPA is connected to the antenna through a duplexer for sectorial configurations.The MCPAs handle up to 1 carrier (5 MHz operation).The MCPA mode of operation is 45 W.
Nortel Networks Confidential 61About the iBTSFigure 33Functional description of an MCPA (only one sector)
Nortel Networks Confidential62UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01Figure 34MCPA functional block diagram
Nortel Networks Confidential 63About the iBTSTMA (Tower Mounted Amplifier)In case the cable length between the iBTS cabinet and the antenna is high, an optional TMA is mounted asnear as possible from the antenna system in order to improve sensibility.General descriptionThe TMA module allows to decrease the overall noise figure of the system by amplifying the receivesignal.The TMA module is a LNA (Low Noise Amplifier). It amplifies the received RF signal in the earlystages of the reception path before going through the feeders. The TMA enables two single antennas(main and diversity) to be used for up--link and down--link.The TMA is powered from the DDMs through the RF coaxial cable.Figure 35TMA outside viewAllexternalconnectionsarelocatedatthebottomoftheTMAmodule.TheRF connectorsare 7/16emaleconnectors.
Nortel Networks Confidential64UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01Figure 36TMA block diagramProtectionData and RF lightning protection is performed at the iBTS connectors.Protecting cups provide the TMA connectors with mechanical and environmental protection.The DDMs monitor TMA alarms and report them to the digital shelf through I2C connection.
Nortel Networks Confidential 65About the iBTSTMA system overviewThe optional TMA is a double UMTS TMA module.Figure 37Double TMA system overview
Nortel Networks Confidential 107About the iBTSTRM functional descriptionGeneralitiesThe TRM contains the transmit/receive circuitry for three transmit chains and six receive chains. Itperforms:modulation and demodulationclock recovery and synchronizationdigital--analog and analog--digital conversionup and down frequency conversionThese functions are performed with the digital and radio boards.The functional block diagram of the TRM is shown in the following figure:Figure 62Functional block diagram of the TRMNote: This figure describes the complete configuration (available for future versions).
Nortel Networks Confidential108UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01Digital TRM board (dTRM)The digital board functions are the following:reception of (up to) six transmit signals from the CCMreception of the six signals from the antennas (main and diversity)recovery and distribution of the clockcontrol and monitoring of the radio modules (TRX, MCPA, DDM)supply voltages for radio boardRadio TRM board (rTRM)The radio board performs the following functions:in the downlink pathxdigital--to--analog conversionxfrequency up--conversionxamplificationin the uplink pathxfrequency down--conversionxanalog--to--digital conversionThe rTRM board consists of three transmit chains and three dual receive chains.Detailed functional descriptionGeneralDownlink pathThe dTRM board receives up to six signals from the CCM. These downlink samples are transferred totheTxchannelizers.Thechannelizersperformchiplevelmodulation,peakpowerreduction,filtering,andthen deliver the signals (three max) to the D/A converters of the rTRM board.In the analog domain, the digital signals are transformed into RF signals through D/A conversion,modulation, filtering/amplification and translation operations. The final RF signals have the appropriatelevel to drive the MCPA.The total transmitted power is proportional to the data rate of the codes and the number of these codes(communications). A power control adjusts each RF signal to optimise the total interference level noisebetween the iBTS and the user equipment.Uplink branchThe uplink branch handles three pair--received signals (main and diversity) coming from the antenna viaacouplingsystemwhichseparates transmissionfromreception.Thesesignalsarefiltered,amplificated,demodulated, A/D converted and then transmitted to the Rx channelizers in the digital domain.
Nortel Networks Confidential 109About the iBTSThereceivechannelizerreceives thesixA/Dconvertersignals.It processesthe dataandtransmitsthemto the CCM.Other functionsThe TRM also performs the clock generation and recovery operation. The clock is recovered from thelink with the CCM and sent to the rTRM board. This board generates the clock signals for the A/Dconverters of the receiver branch and the A/D converters of the transmitter branch.dTRM board functional descriptionThe functions of the dTRM board are the following:It receives the data samples from the CCM, performs data shaping processing on them, then drivesthe three transmit chains with the resulting data samples.It receives the data samples from the six TRM receive chains, performs data shaping processing onthem, then sends the resulting data samples to the CCM.It performs OAM operations on the TRM, the MCPAs and the DDMs.It supplies the rTRM board.Figure 63Block diagram of the dTRM boardNote: This figure describes the complete configuration (available for future versions).
Nortel Networks Confidential110UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01The dTRM Rx and Tx data processing functions are mainly implemented in the processor of the dTRMand in the channelizers.The dTRM board includes six TX channelizers. Each of them is able to support one UMTS channel, andthey can be put in cascade. The transmit possibility is three 3--carrier signals.On the Rx side, the dTRM board allows the reception of up to six single carrier signals. It can implementone of the following solutions:reception of one carrier from three sectorsreception of three carriers from an omni cellrTRM board functional descriptionThe functions of the rTRM board are the following:It receives digital samples from the dTRM, converts them into analog signals, upconverts to radioUMTS frequency, filters the signal and adjusts the output power for the MCPA input.It filters the input signal, downconverts, filters and samples it, then transmits the digital samples tothe dTRM board.The rTRM board consists of three transmit paths at the same radio frequency and three main/diversitypaths that can be tuned to three different frequencies.Figure 64Block diagram of the rTRM transmit part
Nortel Networks Confidential 111About the iBTSFigure 65Block diagram of the rTRM receive part
Nortel Networks Confidential116UMT/DCL/DD/0002411--8111--905 Preliminary 01.06/EN october 2001 UMTS01Radio interfaceThe radio interface consists of six RF ports which correspond to the connection to main and diversity antennafor three sectors.The frequency--dependent DDM module is compatible with the standard UMTS bands:2110--2170 MHz for downlink1920--1980 MHz for uplinkThe impedance of the radio interface is 50 :.Radio cabling7/16 connectors are located:at the bottom of the cabinet for the iBTS outdoor (bulkhead)at the top of the cabinet for the iBTS indoorThe antenna feeders arrive as close as possible to the iBTS cabinet. The interconnection between thefeeders and the jumpers is done outside the iBTS.The number of feeders depends on the configuration type.

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