bts installation & commisioning.ppt
TRANSCRIPT
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nov-12 SAURABH BANSAL B,.TECH ECE v SEM 1
PRESENTED BY, SAURABH BANSAL B.TECH (ECE) Vth SEM
A TRAINING ON BTS NOKIA INSTALLATION AND
COMMISSIONING
SUMITTED TO :-
DEPT. OF ECE
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Contents
• Introduction about GSM system and BTS Function.
• Overview about BTS NOKIA (Flexi EDGE BTS).
– Outstanding features of Flexi EDGE BTS
– Somes main Features of Flexi EDGE BTS
– Guideline to Commissioning
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NOKIA FLEXI EDGE BTSINSTALLETION COMMISSIONING
ANDPLANNING
BASE TRANSCEIVER STATIONnov-12 SAURABH BANSAL B,.TECH ECE v
SEM 3
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SAURABH BANSAL B,.TECH ECE v SEM
. Monkey Wrench
Side Cutter
. Crimping Tool for 16Sq.mm to 70Sq.mm cables.
. Torque Wrench set 6.7 – 101.7 NM . And 1 NM
Cable ties cutter
.Measuring Tape (30M).
.Flash light ,pocket lamp or torch.
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SAURABH BANSAL B,.TECH ECE v SEM
. Hammer Drill
. Drill with screw driver
. Marker Pen or Comparable tool
. Multigrip Pliers
. Leveling tool
. Extension Board.
. Tool Case
. Scissor
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SAURABH BANSAL B,.TECH ECE v SEM
TEST EQUIPMENTS REQUIRED FOR COMMISSIONING
1.VSWR METER
2. POWER METER
3. SITE MASTER
4. DIGITAL MULTIMETER
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WHAT IS GSM?
• GSM is a TDMA based wireless network technology developed in Europe that is used throughout most of the world. GSM phones make use of a SIM card to identify the user's account. The use of the SIM card allows GSM network users to quickly move their phone number from one GSM phone to another by simply moving the SIM card. Currently GSM networks operate on the 850MHz, 900MHz, 1800MHz, and 1900MHz frequency bands.
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GSM SYSTEM
PSTN ISDN
PSPDN
Um Interface
BTS
BTS
BTS
BTS
OMC (NOC and O&M)
HLR/AUC/EIR
BSC
MSC/VLR
SMC/VM
A Interface
MAP
MAP
TUP,ISUPMS
MS
MS
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WHAT IS USE OF GSM BTS IN FUTURE?
• Two highlights in the rich development of the 3G networks are advanced technologies and high efficiency.
• the GSM network is the most widely applied network in the world.
• the GSM network is still favored and constantly evolves due to the maturity of technical applications and business models.
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Features of Flexi EDGE BTS & its fun
– Interface between MS and BSC
– Transmission function, which manage transfer of traffic and control data between BTS and BSC.
– O&M Functions, which supervise the operation of the BTS.
– External Alarm collection.
– Measure Uplink and downlink signal.
….
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SOME KINDS OF NOKIA BTS
Talk Family Flexi talk (900/1800 2TRX) City talk (900/1800 6TRX) Intratalk (900/1800 6TRX)1. Flexi talk GSM 900/1800 BTS 2TRX.
– Flexitalk is Mini BTS located insite the house, office.. where another Network can’t cover it. It have only 2 TRX, using twisted cable or coaxial cable (2Mbit/s).
1. City talk (900/1800 6TRX) – Called Indoor BTS, it can be able to use any where. Maximum
capacity is 6TRX. All kind of transmission is supported.1. Intratalk (900/1800 6TRX)
– Called outdoor BTS, – important position in the network
Ultra site: Maximum capacity is 12TRX. Support GPRS, EDGE
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SOME KINDS OF NOKIA BTS
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NOKIA FLEXI EDGE BTS
• Features– FLEXI EDGE BTS is a Modular base station for
GSM/EDGE capacity and coverage.
– Easy to install, reduce..
– Taking the temparature from -33°C …+50 °C
– Support up to 24 TRX (12 hual TRXs)
– Support Double Power TRX
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CONSTRUCTION OF FLEXI BTSAND PREPARATION OF SITE
• System module (ESMA)
• Dual TRX module (EXxA)
• Dual duplexer module (ERxA)
• Transmission module
• Power module
• Wideband combiner (EWxA)
EXTA – GSM800 EXGA – GSM900 EXDA – GSM1800EXPA – GSM1900
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EDGE SYSTEM MODULE (ESMA)
• Main features:– Module for BTS common functionalities and internal/external
connectionsSupports up to 6 DTRX modules (up to 12TRX)
– 5 main functions of the module:
• BTS O&M: SW downloading and storing (2 * BTS SW), configuration management, reference clock and alarms
• BB switching: communication between modules via Ethernet switch
• BTS power distribution: single point for power intake and power distribution to all modules
• The BTS Software is stored in ESMA.• Connect to BSC by Abis interface
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PDU (power distr ibution unit) 48V intake
Site support system, MIBBU alarms (6), Aux equipment Q1, Local Management Port (LMP)
6x Ethernet to DTRX
PDU (power distribution unit) 6x48V to other modules
Out
1xEAC (External Alarm & Control)12x alarm inputs+6x control outputs
In Synchronizat ion
EDGE SYSTEM MODULE (ESMA)
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EDGE SYSTEM MODULE (ESMA)
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EDGE DUAL TRX MODULE (EXxA)
The Dual TRX Module is a two-carrier TRX.Support Double Power TRX (DPTRX).RF part with 2 independent transmit (TX) chains and 4 receive
(RX) chains
When using 2 TRX we have to use EWxA to combine 2 transceivers in one.
• DTRX connected to system module via single Gigabit Ethernet interface
• Power feed from system module via single cable
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EDGE DUAL TRX MODULE (EXxA)
4xRX TX 2
0-2xWideband combiners
1xBus
1xDTRX-DDU 1xPowerPhase feedback from WBC (DPTRX)
TX 1
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DUAL DUPLEXER MODULE (ERxA)
• Dual duplexer (DDU) module together with Dual TRX create a logical Sector module–Min 1 DDU per sector is needed –DDU is attached to DTRX module
• DDU provides –duplex functionality to combine TX and RX signals to same antenna feeder –multicoupling–2 antenna connections (for 1 or 2 sectors)
• 2 TX inputs and 4+4 RX outputs (4 RX from antenna 1 and 4 RX from antenna 2)
• DDU contains –2 duplex filter–2 Low Noise Amplifiers (LNAs) with high/low gain support for RX signal–2 Bias-Ts with VSWR measurement functionality
• TRX loop is controlled through the DDU –Common TRX loop for all TRXs in same sector–Loop can be performed from either TX to any of 8 RX outputs (only 1 TX and 1
RX can be simultaneously tested
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DUAL DUPLEXER MODULE (ERxA)
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WIDEBAND COMBINER (EWxA)
• TxA, TxB use to combine 2 TxA and TxB of EXxA.
• Out is connected to ERxA (after combining.
• DP When use DPTRX. – EWGA 850/900 MHz Bands
– EWDA 1800 MHz Band
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The connection from ERxA to EXxA
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Cable Connections
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2 TRX/1Sector
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4 TRX/1Sector
Cable Connections
SAURABH BANSAL B,.TECH ECE v SEM
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The general requirements for the commissioning of gsm bts
1. Commissioning Resources:-PC , Multimeter, Ethernet cable , GSM MSs for testing
Site Master, Light emitting diode (LED),Flat-head screwdrive,Serial port cable
Site Information.
Board Software.
2. Commissioning Prerequisites:-
Hardware Requirements.
Software Requirements,
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COMMISSIONING STEPSStep 1
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Step 2
COMMISSIONING STEPS
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Step 3
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COMMISSIONING STEPS
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Step 4
COMMISSIONING STEPS
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COMMISSIONING STEPS
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Step 5
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COMMISSIONING STEPS
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Step 6
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COMMISSIONING STEPS
Step 7 (1.5 and 2.7)
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COMMISSIONING
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Step 8
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COMMISSIONING STEPS
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Step 9
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COMMISSIONING
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Step 10
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COMMISSIONING STEPS
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Step 11
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COMMISSIONING STEPS
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Step 12
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COMMISSIONING STEPS
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Thanks for your attention.
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