ADDING BTS TO A NEW SITEADDING BTS TO A NEW SITE

Following are the required Steps:-Following are the required Steps:-

1)Configuration of OMU over ET1)Configuration of OMU over ET

2)Creation of Sectors2)Creation of Sectors

3)Creation of LAPD & TRX3)Creation of LAPD & TRX

BTS STEPS

OMU Creation of Sectors Creation of TRX & LAPD

ZESE:ID=125,BCSU=4,PCU=3,CRCT=974-28&&-30;

OMU

Configuration of OMU over ET

BCF CREATION

ZDSE:OM125:BCSU,4:62,1:32,974-27,4;

ZEFC:125,E:DNAME=OM125;

ZDTC:OM125:WO;

CREATION OF CREATION OF SECTORSECTOR

ZEQC:BCF=125,BTS=373,NAME=JAMUNAKHAS1,REF=50:CI=28251,BAND=900:NCC=0,BCC=1:MCC=404,MNC=56,LAC=344:;

ZEUC:BTS=373,REF=50;

ZEHC:BTS=373,REF=50:;

ZEQE:BTS=373:HOP=RF,HSN1=24,HSN2=;

ZEQA:BTS=373:MS=6,MAL=100,MO=0:;

ZEQV:BTS=373:CDEF=16,CDED=16;ZEQV:BTS=373:GENA=N;

Creation of Sector

CREATION OF TRXCREATION OF TRX

ZDSE:T1251:BCSU,3:0,1:32,974-1,0:;

ZERC:BTS=373,TRX=1:PREF=P,GTRX=Y,DAP=125:FREQ=44,TSC=1,PCMTSL=974-1:DNAME=T1251:SIGN=2,CH0=MBCCH,CH1=SDCCB,CH2=TCHD,CH3=TCHD,CH4=TCHD,CH5=TCHD,CH6=TCHD,CH7=TCHD:;

ZDTC:T1251:WO;

ZERM:BTS=373,TRX=01:CH2=SDCCH;

ZERS:BTS=373,TRX=1:U;

Creation of TRX

  Create the dynamic Abis pool (ESE).ZESE:<pool id>,<circuit>,<size>,<BCSU id>,<PCU id>;Or

ZESE:<pool id>,<circuit>,<size>,<PSEI>;

   It Creates the O & M signalling link.

ZDSE:<D-channel link set name>:<unit type>,<unit index>:<service access point identifier>,<terminal end point identifier>:<bit rate>,<PCM-TSL of D-channel>;

Create the BCF object instance for all site Create the BCF object instance for all site typestypes

ZEFC:<BCF identification>,<site :<BCF identification>,<site type>:<D-channel link set name>; type>:<D-channel link set name>;

Activate the O & M link.Activate the O & M link.

ZDTC:<D-channel link set name>:<D-:<D-channel link set name>:<D-channel state change>; channel state change>;

Create the BTS.Create the BTS.ZEQC:<BCF identification>,<BTS :<BCF identification>,<BTS

identification>:<cell identification>:<cell identity>,<frequency band in identity>,<frequency band in use>:<network colour code>,<BTS use>:<network colour code>,<BTS colour code>:<mobile country colour code>:<mobile country code>,<mobile network code>,<mobile network code>,<location area code>;code>,<location area code>;

Create the power control parameter Create the power control parameter set.set.

ZEUCZEUC:<BTS identification><reference :<BTS identification><reference BTS identification>;BTS identification>;

Create the handover control parameter Create the handover control parameter set.set.

ZEHC:<BTS identification>,<reference :<BTS identification>,<reference BTS identification>;BTS identification>;

Modify BTS Identification ParametersModify BTS Identification Parameters..-Here we Set the BTS hopping mode -Here we Set the BTS hopping mode

parameter to ‘RF hopping’ in the BCCH BTS.parameter to ‘RF hopping’ in the BCCH BTS.

ZEQEZEQE::<BTS Identification>:<BTS Hopping <BTS Identification>:<BTS Hopping mode>,<Hopping Sequence Number 1>, mode>,<Hopping Sequence Number 1>, <Hopping Sequence Number 2>;<Hopping Sequence Number 2>;

Modify Mobile Allocation Frequecy Modify Mobile Allocation Frequecy List Usage Parameters.List Usage Parameters.

ZEQA : :BTS=<BTS BTS=<BTS identification>:MAL=<mobile allocation identification>:MAL=<mobile allocation frequency list>,MO=<MAIO frequency list>,MO=<MAIO offset>,MS=<MAIO step>;offset>,MS=<MAIO step>;

Disable GPRS in the cell(s) .Disable GPRS in the cell(s) .

ZEQV:BTS=1:GENA=N; :BTS=1:GENA=N;

Create LAPD linksCreate LAPD links ZDSE:<D-channel link set :<D-channel link set

name>:BCSU,<unit index>:<service name>:BCSU,<unit index>:<service access point identifier>,<terminal access point identifier>,<terminal endpoint identifier>:<bitrate>,<PCM-endpoint identifier>:<bitrate>,<PCM-TSL>,<SUB-TSL>; TSL>,<SUB-TSL>;

Create a transceiver.Create a transceiver.

ZERC:<BTS identification>,<TRX :<BTS identification>,<TRX identification>::FREQ=<frequency>,TCSidentification>::FREQ=<frequency>,TCS=<training sequence =<training sequence code>,PCMTSL=<Abis speech code>,PCMTSL=<Abis speech circuit>:<D-channel telecom link set circuit>:<D-channel telecom link set name>,<D-channel O&M link set name>,<D-channel O&M link set number>:<RTSL types from 0 to 7>; number>:<RTSL types from 0 to 7>;

Activate the new link.Activate the new link.

ZDTC: <D-channel link set : <D-channel link set name>:<D-channel state name>:<D-channel state change>;change>;

Unlock the BCCH TRX Unlock the BCCH TRX

ZERS:BTS=<bts_id>,TRX=<trx_id>ZERS:BTS=<bts_id>,TRX=<trx_id>:U;:U;

Define the SDCCH channel to a TRX of Define the SDCCH channel to a TRX of the BTS using the GSM 900 frequency the BTS using the GSM 900 frequency bandband

ZERMZERM:BTS=<bts_id>,TRX=<trx_id>:C:BTS=<bts_id>,TRX=<trx_id>:CH0=SDCCH; H0=SDCCH;

• THANKS TO ALL THANKS TO ALL