báo cáo bts motorola

Nguyn Ch Hong Tm hiu thit b trm BTS Motorola

HC VIN CNG NGH BU CHNH VIN THNGKHOA VIN THNG I

BO CO THC TP

TI: TM HIU THIT B TRM BTS MOTOROLA

Sinh vin thc hin: Nguyn Ch HongNhm 3, Lp : D10CQVT4Ging vin hng dn: ks. Vn Quang Dng

H Ni, 2014

HC VIN CNG NGH BU CHNH VIN THNGVIN KHOA HC K THUT BU INCNG HO X HI CH NGHA VIT NAM c lp T do Hnh phc

, ngy thng nm 2014

PHIU NHN XT THC TP TT NGHIP

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CN B HNG DN

LI NI UTrong giai on hin nay, thng tin lin lc c bit l thng tin di ng l mt lnh vc quan trng v khng ngng pht trin. N l nn tng cc ngnh khc trong nn kinh t quc gia pht trin. p ng nhu cu ngy cng ln v c s lng v cht lng thu bao nh hin nay i hi ngnh thng tin v truyn thng m rng, nng cp v pht trin mng di ng ngy mt rng ln. Vi h thng trm thu pht sng BTS c s lng trin khai ln, cn thng xuyn theo di, bo dng, ng cu s c, d cho h thng 3G, 4G c pht trin hn trong hin ti v tng lai.Ni dung bi bo co gm 3 chng: Chng I: Tng quan v thit b trm BTS trong mng GSM Chng II: Tm hiu cu trc, chc nng cc thnh phn thit b trm BTS Motorola Chng III: Kt lun.Do thi gian, khun kh bo co khng nhiu cng nh nhng hn ch v mt kin thc v kinh nghim nn khng trnh khi nhng sai st, hn ch trong bo co ny. Em rt mong c s ch bo, gp ca cc thy c trong trng, cc c ch, anh ch ca Vin. c bit, em xin gi li cm n ti thy Vn Quang Dng tn tnh gip , trc tip hng dn em, gip cho em c nhng kinh nghim qu bu gip em trng thnh hn trong cng vic. Em xin chn thnh cm n!

PH LC

LI NI U3PH LC4DANH MC HNH V6DANH MC MT S T VIT TT8Chng I: TNG QUAN V THIT B TRM BTS TRONG MNG GSM91.1 Tng quan v GSM91.2 Khi nim v BTS91.3 V tr ca BTS trong h thng GSM10Chng II: TM HIU CU TRC, CHC NNG CC THNH PHN THIT B TRM BTS MOTOROLA112.1, Cu trc c bn trm BTS112.1.1, Khi anten thu pht112.1.2, Khi x l RF112.1.3, Khi x l Baseband122.1.4, Khi giao tip122.1.5, Khi iu khin122.1.6, Khi cp ngun v cnh bo122.2, BTS Motorola122.2.1, BTS Horizon macro12Cu hnh 1 t(cabinet) BTS Horizon macro:122.2.1.1, Module RF142.2.1.2, Module s182.2.1.3, Module ngun PSM242.2.1.4, Module FAN242.2.1.5, Module T43/BIB252.2.1.6, S cp cnh bo trn PIX262.2.2, BTS Horizon II macro262.2.2.1, Module RF272.2.2.2, Module s312.2.2.3, XMUX Module322.2.2.4, Alarm Module332.3, Cc li v quy trnh x l li ti BTS342.3.1, Mt s li lin quan ti module thu pht342.3.2, Mt s li lin quan ti module MCUF (Card iu khin chnh )382.3.3, X l li lin quan ti truyn dn39Chng III: KT LUN43LI CM N.44DANH MC TI LIU THAM KHO45

DANH MC HNH VHnh 1.1, v tr BTS trong GSM10Hnh 1.2, cu hnh kt ni BTS ti BSC10Hnh 2.1, Cc khi c bn ca BTS11Hnh 2.2, T BTS Horizon macro13Hnh 2.3, S kt ni14Hnh 2.4, S khi chc nng ca CTU15Hnh 2.5, S khi chc nng ca SURF16Hnh 2.6, DCF17Hnh 2.7, TDF18Hnh 2.8, modul s - BTS hozizon macro18Hnh 2.9, giao din MCUF BTS horizon macro20Hnh 2.10, Kt ni MCUF vi cc module khc20Hnh 2.11, NIU BTS horizon macro21Hnh 2.12, FMUX- BTS horizon macro22Hnh 2.13, S khi chc nng ca FMUX22Hnh 2.14, board Alarm BTS horizon macro23Hnh 2.15, BPSM BTS horizon macro23Hnh 2.16, Module ngun PSM BTS horizon macro24Hnh 2.17, Module FAN BTS horizon macro24Hnh 2.18, Module T43/BIB bts horizon macro25Hnh 2.19, Cc khi chc nng BTS horizon II macro26Hnh 2.20, S logic BTS horizon II macro27Hnh 2.21, CTU2 BTS horizon II macro28Hnh 2.22, Cng u ni ca CTU2 BTS horizon II macro28Hnh 2.23, led ch th CTU BTS Horizon II macro29Hnh 2.24, SUF2 BTS Horizon II macro29Hnh 2.25, DUP BTS horizon II macro30Hnh 2.26, kt ni DUP BTS horizon II macro30Hnh 2.28, Module s - BTS Horizon II macro32Hnh 2.29, HIISC BTS Horizon II macro32Hnh 2.30, u ni m rn t - BTS Horizon II macro33Hnh 2.31, Li DRI Not Detected v Waiting for Connection34Hnh 2.32, Code Load Fail36Hnh 2.33, Receive Matrix Branch 1 Control Link Failure37Hnh 2.34, Waiting for Sync to initialize38Hnh 2.35, MCUF lin tc Reboot38Hnh 2.36, FMUX Loopback Failure38Hnh 2.37, PCMCIA Failure39Hnh 2.38, X l li lin quan ti truyn dn39Hnh 2.39, Truyn dn t BTS ti BSC40Hnh 2.40, Loopback40

DANH MC MT S T VIT TTSSSwitching SystemH thng chuyn mch

NSSNetwork switching SubSystemPhn hchuyn mch

BSSBase Station SubsystemH thng trm gc

BTSBase Transceiver StationTrmthu phtgc

BSCBase Station ControllerB iu khin trm gc

MSCMobile Switching CentralTrung tm chuyn mch ccnghip v di ng

PSTNPublic Switch telephone NetworkMng in thoi chuyn mch cng cng

ISDNIntegrated Services Digital NetworkMng s lin kt a dch v

PDNpublicdata networkMng di ng mt t cng cng

HLRhome location registerB ghi nh v thng tr

AUCAuthentication centerTrung tm nhn thc

VLRVisitor Location RegisterB ghi nh v tm tr

EIREquipment Identity RegisterB ghi nhn dng thit b

OSSOperation Support SystemsH thngkhai thc v h tr

PSUPower Supply Unitn v cp ngun

DCFDC FilterB lc in mt chiu

Chng I: TNG QUAN V THIT B TRM BTS TRONG MNG GSM1.1 Tng quan v GSMH thng GSM c chia thnh h thng chuyn mch (SS hay NSS) v h thng trm gc (BSS). H thng c thc hin nh mt mng gm nhiu v tuyn cnh nhau cng m bo ton b vng ph sng ca vng phc v. Mi c mt trm v tuyn gc (BTS) lm vic mt tp hp cc knh v tuyn. Cc knh ny khc vi cc knh c s dng cc ln cn trnh nhiu giao thoa. Mt b iu khin trm gc (BSC) iu khin mt nhm BTS. BSC iu khin cc chc nng nh chuyn giao v iu khin cng sut. Mt trung tm chuyn mch cc nghip v di ng (MSC) iu khin mt s BSC. MSC iu khin cc cuc gi n v t mng chuyn mch in thoi cng cng (PSTN), mng s lin kt a dch v (ISDN), mng di ng mt t cng cng (PDN) v c th l cc mng ring. mng cng c mt s cc c s d liu theo di nh:- B ng k nh v thng tr (HLR) qun l ton b d liu thu bao ca vng ph ca mng. HLR l mt c s d liu ni m nhng thu bao di ng c to ra, c tch ra , c cm hoc c xa b bi ngi iu hnh.- Trung tm nhn thc (AUC ) c ni n HLR. Chc nng ca AUC l cung cp cho HLR cc thng s nhn thc v cc kho mt m s dng cho bo mt.- B ghi nhv tm tr (VLR): Trong thi gian MS cp nht v tr d liu thu bao c chuyn t HLR ti VLR hin ti. D liu ny c lu tr trong VLR trong sut thi gian m MS di chuyn trong vng ny. VLR s cung cp d liu cho thu bao bt k lc no n cn cho vic x l mt cuc gi. Nu mt thu bao di ng di chuyn n vng phc v VLR khc th mt cp nht v tr xy ra ln na, VLR mi yu cu d liu thu bao t HLR chu trch nhim v thu bao di ng.- Thanh ghi nhn dng thit b (EIR) c ni viMSC qua mt ng bo hiu. EIR kim tra s hp l ca thu bao da trn yu cu c tnh thit b di ng quc t. IMEI t MS sau n c gi ti b ghi nhn dng thit b EIR. Trong EIR, IMEI ca ton b thit b di ng c s dng th phi phn chia thnh 3 danh sch:+ Danh sch mu trng cha thit b di ng c chp nhn.+ Danh sch mu xm cha thit b di ng c theo di.+ Danh sch mu en cha thit b di ng khng c chp nhn. EIR kim tra IMEI c thch hp vo mt trong 3 danh sch hay khng v chuyn kt qu ti MSC. H thng khai thc v h tr(OSS) c ni n tt c ccthitb h thng chuyn mch v ni n BSC.

1.2 Khi nim v BTSBTS l mt thit b dng pht tn hiu ra mi trng v tuyn n cc my di ng v thu tn hiu t cc my di ng cng thng qua mi trng v tuyn. N thng tin n cc MS thng qua giao din v tuyn Um v kt ni vi b iu khin trm gc BSC (Base Station Controller) thng qua giao din Abis.1.3 V tr ca BTS trong h thng GSM

Hnh 1.1, v tr BTS trong GSMS trn m t v tr ca BTS trong h thng mng GSM. Cc BTS c t khp ni trong vng c k hoch ph sng v n c kt ni ti b iu khin trm gc BSC (Base Station Controller). Ngoi ra v tr ca BTS cn ph thuc vo cu hnh kt ni ti BSC, chng hn nh c cc cu hnh sau:- Sectorised configuration- Multipion configuration- Chain configuration- Star configuration

Hnh 1.2, cu hnh kt ni BTS ti BSC

Chng II: TM HIU CU TRC, CHC NNG CC THNH PHN THIT B TRM BTS MOTOROLA

2.1, Cu trc c bn trm BTS

Hnh 2.1, Cc khi c bn ca BTS Khi anten thu pht Khi x l RF Khi x l Baseband Khi giao tip vi BSC Khi iu khin Khi cp ngun v cnh bo2.1.1, Khi anten thu pht u cui pht tn hiu v tuyn ti thu bao Nhn tn hiu t thu bao c iu chnh hng pht sng, gc ngng xc nh vng ph sng mong mun Tn hiu c truyn theo feeder v t BTS x l2.1.2, Khi x l RF Lc, khuch i tn hiu thu c t anten Lc, khuch i tn hiu pht trc khi a ra anten Phn tch tn hiu thu c t anten Tng hp tn hiu trc khi a ra anten Gim st cht lng thu, pht a v khi cnh bo2.1.3, Khi x l Baseband iu ch / Gii iu ch tn hiu M ha / Gii m tn hiu i tn ln / i tn xung Khuch i tn hiu thu, pht2.1.4, Khi giao tip Giao tip vi BSC thng qua giao din Abis Cung cp u ni cp n BSC Giao tip E1, T12.1.5, Khi iu khin iu khin chung cc khi chc nng ca BTS To v cp xung lock cho cc thit b ng b hot ng v ng b tn hiu2.1.6, Khi cp ngun v cnh bo Cp ngun hot ng cho cc khi chc nng Thu thp thng tin cnh bo v cht lng tn hiu Thu thp thng tin cnh co v tnh trng hot ng ca cc khi chc nng a ra cnh bo n ngi s dng

2.2, BTS Motorolac s dng ti: Nng, Qung Nam, Ph Yn, Khn HaC 2 loi BTS Motorola chnh: BTS Horizon macro BTS Horizon II macro2.2.1, BTS Horizon macroCu hnh 1 t(cabinet) BTS Horizon macro: 6x CTU (900Mhz 1800Mhz Dualband) 6x E1 4x Signalling links (RSLs) C th nng cp ln 24 CTU trong 4 Cabinets: Trng lng cabinet = 115 kg Cng sut tiu th (max)= 1700 watts Kch thc: 870mm x 700mm x 430mmGm cc phn chnh: Module RF Module s Module cp ngun Module FAN Mt s giao tip khc

Hnh 2.2, T BTS Horizon macro

Hnh 2.3, S kt ni2.2.1.1, Module RF CTU (Compact Transceiver Unit) SURF (Sectorized Universal Receiver Front-end) Tx Blocks: DCF (Duplexer Combining Filter) TDF (Twin Combining bandpass Filter)CTU (Compact Transceiver Unit) Thc hin chc nng thu pht cc tn s RF Cha cc mch s thc hin cn bng, m ha/gii m, iu khin b thu pht iu khin thu phn tp, tng cht lng thu, gim nh hng fading v can nhiu iu khin cng sut pht.

Hnh 2.4, S khi chc nng ca CTULed cnh bo CTURadio status: Trng thi hot ng ca board Tt: Module tt Nhy green: yu cu code hoc ang t Green: Board hot ng bnh thng Nhy vng: Ch kim tra : Tnh trng cn boTx status: Tt: B pht khng hot ng Vng: B pht ang hot ngC 2 led nhy nhanh: ang nng cp, khng c rt ngun/ resetCng giao tip CTU Transmit out: u ra b pht RF, ni n TX Block. TTY interface: Kim tra truy cp n b x l Test interface: Cng kim traSURFSectorized Universal Receiver Front end Module: Gm nhiu loi, dng cho nhiu bng tn khc nhau Thc hin lc u cui, khuch i tn hiu thu Mng Vinaphone hin nay dng 2 loi module SURFSURF900 dng cho bng tn 900MhzSURF1800 dng cho bng tn 1800Mhz Mi module SURF ni n 3 ng vo anten thu(0A, 0B, 1A, 1B, 2A, 2B). SURF s chuyn mch cc ng vo ny n cc CTU di s iu khin ca MCUF. C 2 ng vo n CTU m bo CTU c phn tp thu DURF c 2 ng ra dnh cho thu m rng EXT A, EXT B ni n cabinet m rng.

Hnh 2.5, S khi chc nng ca SURFTx BlockTx Block gm hai phn: DCF: Duplexer Combining Filter TDF: Twin Combining bandpass FilterDCFDCF gip ni mt anten n hai CTU cho c TX v RXDCF c 2 bng tn: DCF900 dnh cho bng tn 900Mhz DCF1800 dnh cho bng tn 1800Mhz

Hnh 2.6, DCFTDFCho php mi anten phc v mt CTU cho c TX v RXTDF c hai phn ring, mi phn ni t mt CTU n mt anten ring bitTDF c 2 loi: TDF900 dnh cho bng tn 900MHz TDF1800 dnh cho bng tn 1800MHz

Hnh 2.7, TDF2.2.1.2, Module s 2 card MCUF: mt card chnh (A), mt card MCUF d phng (B) 2 card FMUX (1 d phng) 4 card NIU 2 BPSM (1 cp ngun cc card d phng) 1 card Alarmdsa

Hnh 2.8, modul s - BTS hozizon macroMCUF Card iu khin chnh ca BTS X l cuc gi (nh qun l ti nguyn, chuyn mch) MCUF chuyn mch t a 6 giao tip mng (4 card NIU) v 24 b thu pht CTU (4 cabinet) iu khin, x l vn hnh v bo dng BTS Chuyn mch lu lng v thng tin iu khin To ng h ni v ng b cho ton b BTS Cung cp 2 giao din quang kt ni t m rng. Lu tr cu hnh trm.GIAO DIN MCUF 2 giao din FMUX TTY MMI: Cng kt ni LMT Cal Port: a ra tn hiu ng h 8KHz, s dng cn chnh GCLK PCMCIA: slot gn flast card memory Reset Full: reset cng, xa lun software Reset CPU: reset mm, khng xa software

S khi chc nng ca MCUF

Hnh 2.9, giao din MCUF BTS horizon macroKt ni MCUF vi cc module khc

Hnh 2.10, Kt ni MCUF vi cc module khcCh th LED trn MCUFCh th LED trn MCUF

RedGreenTrng thi

TtTtBoard cha c cp ngun

TtSngHot ng bnh thng

SngTtBoard b li

NhyNhyang boot

NIUNetwork Interface Unit Cung cp 2 ng E1 hoc 2 ng T1 (i vi NIUA0, NIUB0) Cung cp 1 ng E1 hoc 1 ng T1 (i vi NIUA1, NIUB1) Cc ng giao tip u c MCUF gim st, iu khin.

Hnh 2.11, NIU BTS horizon macroCh th led trn NIUCh th Led trn NIU

RedGreenTrng thi

TtTtBoard cha c cp ngun hoc trong qu trnh reset


SngSngNIU t kim tra sau khi bt ngun hoc reboot.Led s tt sau 20s hoc 50s sau khi reboot do download d liu

NhyNhyang download d liu h thng

FMUXFiber Optic Multiplexer Gp knh v tch knh 6 ng thu pht full duplex vo mt cp cp quang Gip kt ni 6 b thu pht n t m rng

Hnh 2.12, FMUX- BTS horizon macroS khi chc nng ca FMUX

Hnh 2.13, S khi chc nng ca FMUX

Board Alarm 16 cnh bo ngoi (PIX0 v PIX1) Cnh bo ngt kt ni in p thp FAN 0 (4-fan tray) FAN 1 (2-fan tray) FAN 2 (2-fan tray)

Hnh 2.14, board Alarm BTS horizon macro

Ch th LED trn Board AlarmCh th LED trn Board Alarm

LEDTrng thi LEDTrng thin xanh: khng cnh bo; n : cnh bo

1Tt/ sng Ch th cnh bo m ca cabinet

2Tt/ sng Ch th cnh bo LVD

3Sng xanh/ sng Ch th cnh bo Fan khe 0



BPSMCung cp ngun cho 1 digital module shelf.(MCUF, FMUX, NIU, Alarm)Input: +27vOutputs:+3.3v , +5v, +/-12v

Hnh 2.15, BPSM BTS horizon macro

2.2.1.3, Module ngun PSM Loi ngun cung cp:+27v (negative earth)-48v (positive earth) OR 120/240v AC 3x PSU ( 1x Redundancy )

Hnh 2.16, Module ngun PSM BTS horizon macro

Ch th Led trn PSUCh th led trn board PSU

Led xanhLed Ch th trng thi

TtTtNgun cp cho cabinet ang tt hoc PSU cha c kt ni.

SngTtTrng thi hot ng bnh thng

TtSngTt CB u ra hocMt cnh bo gy ra PSU khng cp ngun ra

SngSngMt cnh bo trong PSU (v d: qu nhit), nhng hin ti vn c ngun ra.

2.2.1.4, Module FAN 3 module FAN 2x module 2-Fan 1x module 4-Fan

Hnh 2.17, Module FAN BTS horizon macro

2.2.1.5, Module T43/BIB BIB v T43 l board giao tip lung E1 t bn ngoi v chuyn xung NIU BIB giao tip lung 120 T43 giao tip lung 75 Mi board cung cp giao tip 6 lung E1/T1

Hnh 2.18, Module T43/BIB bts horizon macro

S chn kt ni ca T43/BIBT43/BIB connector to NIU board

T43 network side connector37-way D type connections(BIB)NIU locationNIU indentity (MSI) used in commands

J11.20NIU A0-Tx1MSI(NIU)0

J22.21NIU A0-Rx1


J88.27NIU A0-Rx2


J1414.33NIU A1-Rx1

J44.23NIU B0-Tx1MSI(NIU)1

J55.24NIU B0-Rx1


J1111.30NIU B0-Rx2


J1717.36NIU B1-Rx1

2.2.1.6, S cp cnh bo trn PIX

2.2.2, BTS Horizon II macroT BTS indoor h tr ti a 12 TRXGSM/EGSM900, DCS1800

Cc Khi chc nng

Hnh 2.19, Cc khi chc nng BTS horizon II macroS logic

Hnh 2.20, S logic BTS horizon II macro

2.2.2.1, Module RF Gm cc khi CTU2: H tr bng tn EGSM900, DCS1800 SURF2 900MHz 1800MHz Tx Block 52 CTU2 To tn s RF cn thit thc hin cc chc nng thu/pht Cn bng 32 khe thi gian M ha/gii m iu khin cc b thu pht C kh nng thc hin thu phn tp Thc hin nhy tn iu khin cng sut ng/tnh.

Hnh 2.21, CTU2 BTS horizon II macroCng u ni ca CTU2 TRANSMIT OUT: Ni n khi Tx, pht tn hiu RF CONTROL PROCESSOR: Kim kh nng truy cp TEST INTERFACE: Kim tra thit b( dnh cho NSX) VCAT INTERFACE: Kim tra thit b (Dnh cho k s Motorola

Hnh 2.22, Cng u ni ca CTU2 BTS horizon II macro

Led ch th CTU RADIO STATUS: Tt: CTU2 tt Nhy green: Boot code ang c ti , khng c ct ngun hay reset Green:Hot ng bnh thng Nhy vng: Ch test Vng: B thu pht b chn : Cnh bo tnh trng thit b Nhy , green lin tc: ang ci t, khng c ct ngun hay reset Tx Status A, Tx Status B: Tt: B pht A ,B Tt Sng: B pht A ,B ang lm vic

Hnh 2.23, led ch th CTU BTS Horizon II macro

SUF2 Khuch i nhiu thp Lc bandpass RF Dn ng t anten n CTU2 Mt SURF2 ni 3 anten thu n 6 CTU2 cho c ng thu chnh v ng thu phn tp. Cp mt ng m rng t ANT0 ni n t m rng SURF2 900: Bng tn EGSM900 SURF2 1800: Bng tn DCS1800.

Hnh 2.24, SUF2 BTS Horizon II macro

Tx Block Tx Block c t ti a 6 b pha trn CTU2. C 4 loi Tx block DUP PGSM duplexer HCU: Hybrid Combiner Unit DHU: Dual Hybrid CombinerDUP Duplexer cho php 1 anten c th phc v c ng thu v ng pht. DUP cha b gim st VSWR, c th pht hin v a ra cnh bo.

Hnh 2.25, DUP BTS horizon II macro

Mi DUP c cc kt ni Mt ng Tx t CTU2 Mt n anten, cho c Tx v Rx Mt ng n SURF2

Hnh 2.26, kt ni DUP BTS horizon II macro

PGSM DUP Chn tn hiu t mng CDMA, bo v cht lng tn hiu Cha b gim st VSWR, pht hin v a ra cnh bo v VSWR PGSM DUP c cc kt ni sau: Mt ng Tx ra t CTU Mt ng n anten, cho c ng thu v pht Mt n SURF2

2.2.2.2, Module s HIISC: Site Controller Unit Qun l cp ngun, giao tip, kh nng m rng BTS Ging nh MCUF t Horizon XMUX: Expansion Multiplexer Thay th cho HIISC t m rng, c ni vi t chnh thng qua board m rng Tng t FMUX ca t Horizon Site Expansion Board: Board m rng iu khin giao tip iu khin v cc kt ni vt l gia t chnh v t m rng Alarm Module Cung cp cc s liu v gim st v cnh bo cn thit

Hnh 2.28, Module s - BTS Horizon II macroHIISC iu khin cc chc nng trong BTS, ngoi tr chc nng RF ca CTU2. Qun cc ng giao tip t khi NIU

Hnh 2.29, HIISC BTS Horizon II macro

Ch th Led ca HIISCLed Led greenTrng thi

TtTtBoard khng c cp ngun, hoc ang reset theo chu k


SngTtLi trng thi

Nhy Nhyang nng cp(khng tt ngun hay reset)

2.2.2.3, XMUX Module Thay th HIISC ti t m rng, cung cp giao tip n t chnh. XMUX h tr ti a 6 ng thu pht. S dng lin kt d liu m ha Manchester 16.384 MbpsSite expansion board Dng m rng h thng BTS

u ni m rng t

Hnh 2.30, u ni m rn t - BTS Horizon II macro2.2.2.4, Alarm Module Thu thp thng tin cnh bo t backplane X l thng tin gim st VSWRPSU Cp ngun +27VDC cho BTS 2 PSU cp ngun cho 3 CTU2 3 PSU c th cp ngun cho 6 CTU2Led ch th PSULed greenLed Trng thi

TtTtT khng c cp ngun PSU khng th kt ni

SngTtHot ng bnh thng

TtSngP c kt ni. Cnh bo PSU khng th hot ng

SngSngC cnh bo nhng PSU vn c th hot ng

CU HNH BTS HORIZON MACRO Cu hnh Sector 1/1/1 Cu hnh Sector 2/2/2 Cu hnh Sector 4/4/4

HNH BTS HORIZON II MACRO Omni-2 Normal Power or Omni-1 High Power (DUP only) 2/2/2 Normal Power or 1/1/1 High Power (DUP only) 4/4/4 Normal Power or 2/2/2 High Power (DUP with Air-combining) 8/8/8 Normal Power or 4/4/4 High Power Double cabinet (1x split cell) (HCU and DUP with Air-combining)2.3, Cc li v quy trnh x l li ti BTS

2.3.1, Mt s li lin quan ti module thu phtDRI Not Detected v Waiting for Connection

Hnh 2.31, Li DRI Not Detected v Waiting for Connection

Nguyn nhn: C s d liu (databasse) khng ng. Kt ni vt l khng ng vi database. Cha c ngun cung cp hoc Cc ngun b cho Cc ti b thu pht. Li vt l ti backplane connector sau CTU. Li CTU (CTU2) hoc MCUF (HIISC).X l:1. i 15 pht li c t mt khng, nu khng, chuyn qua bc 2.2. Kim tra Databasa: disp_equi X dri Y Y (trong X l site, Y Y ID ca DRI). Nu khng, chuyn, bc 3

3. nh lnh: ins X dri Y Y (trong X l site, Y Y ID ca DRI). Nu khng, chuyn bc 44. Kim tra li vt l ti backplane connector sau CTU. Nu khng, chuyn bc 5.5. Thay CTU hoc MCUF.DRI InhibitedNguyn nhn:1. CTU b li2. H u connector TX ti CTUX l:1. X l li kt ni connector TX ti CTU nu c2. Ins X dri Y Y, ch 15 pht khng ht li chuyn bc 33. Reset_dev X dri Y Y, ch 15 pht khng ht li chuyn bc 44. Thay CTU

Code Load Fail

Hnh 2.32, Code Load FailNguyn nhn:1. CTU ang thc hin code Load th mt kt ni vi MCUF.2. CTU b hng.X l:1. Ins X dri Y Y, ch 15 pht khng ht li chuyn bc 22. Reset_dev X dri Y Y, ch 15 pht khng ht li chuyn bc 3.3. Thay CTU.Invalid Calibration Data

Receive Matrix Branch 1 Control Link Failure

Hnh 2.33, Receive Matrix Branch 1 Control Link Failure

Nguyn nhn: Li kt ni gia CTU v SUFX l:1. Disp_act_al X2. Lock tt c cc DRI bng lnh: lock X dri Y Y.3. Tt ngun SURF4. Bt ngun SURF5. Unlock tt c cc DRI bng lnh: unlock X dri Y Y.6. Kim tra cn cnh bo khng, nu c chuyn bc 77. Thay SURFTX VSWR antenna faultNguyn nhn: li anten, feeder, jumper hoc connector trn ng TX ca DRIX l:X dng my anten, feeder xc nh li trn ng pht ca DRI v x lDuplexer Voltage ErrorNguyn nhn: Mch cnh bo sng ng trn module DUP (Horizon II) b mt ngun cung cp.X l: Thay mch cnh bo sng ng trn DUP hoc thay DPUReceive Matrix FailureNguyn nhn: hng module SURF hoc SURF mt ngun cung cp.X l: kim tra ngun cung cp ca SURF -> thay th SURF.2.3.2, Mt s li lin quan ti module MCUF (Card iu khin chnh )Waiting for Sync to initialize

Nguyn nhn: MCUF mt kt ni hoc ang code load t BSC.

X l: cnh bo s t mt khi kt ni v code load xong

Hnh 2.34, Waiting for Sync to initialize

MCUF lin tc Reboot

Nguyn nhn: BTS ang trong trng thi code load Mt kt ni gia BTS v BSC, MCUF s reboot li sau 30 pht

Hnh 2.35, MCUF lin tc Reboot

FMUX Loopback Failure

Hnh 2.36, FMUX Loopback FailureNguyn nhn:1. Card FMUX gn cha ng v tr.2. Cha c ngun cung caaos cho FMUX.3. Si quang gia MCUF v FMUX gn cha ng.4. Si quang trn b hng.PCMCIA Failure

Nguyn nhn:1. Card PCMCIA khng c gn vo slot.2. Card PCMCIA b hng hoc khng tng thch vi thit b Motorola.

Hnh 2.37, PCMCIA Failure

2.3.3, X l li lin quan ti truyn dn

Hnh 2.38, X l li lin quan ti truyn dn

Hnh 2.39, Truyn dn t BTS ti BSCLoopback

Cc im c th loopback : 1. Local MSI or NIU board 2. Local T43 or BIB board 3. Local terminal board; DDF 4. Remote terminal board 5. Remote T43 or BIB board 6. Remote MSI board

Hnh 2.40, Loopback

Cn chnh cng sut phtMC CH:1. Chnh cng sut pht cho tng DRI theo mc cng sut ti u vng ph.2. Cn bng mc cng sut pht cc DRI trong cng 1 CELL.THC HIN KHI:3. Khi mi pht sng trm.4. Ti u vng ph.5. Thay CTU mi.6. Cng sut b suy gim.CNG C:7. My tnh xch tay + Phn mm kt ni PCPlus8. Cp kt ni my tnh vi thit b: Cp 9-9 MCUF/EQCP; 9-9 RSS.9. My o cng sutQUY TRNH CN CHNH CNG SUT BNG SCRIPT FILE1. S dng phn mm Pcplus truy cp vo BTS bng cp 9-9 MCUF kha DRI cn cn chnh bng lnh: Lock X dri Y Y 2. S dng cp 9-9 RSS truy cp vo CTU, chy Script file CTU4 Ti ca s chng trinh CTU Rx Calibration chn CTU Initation ri chn RSS.3. S dng cp 9-9 EQCP truy cp vo CTU, chn CTU Initation ri chn EQCP.4. u ni my o cng sut vo o cng sut DRI.5. Ti ca s CTU Rx Calibration chn Power Offset 6. Nhn U hoc D tng hoc gim cng sut DRI n gi tr cn thit.7. lu v thot chng trnh nhn ESC 2 ln.8. S dng phn mm Pcplus truy cp vo BTS bng cp 9-9 MCUF m kha DRI va cn chnh bng lnh: unlock X dri Y Y

Cn chnh ng thuMC CH:Mc ch cn chnh ng thu l nh chun li cc gi tr offset thu nhm b li nhng suy hao hay li trn cp RF t ng vo anten ti BTS n port thu ca TRX. THC HIN KHI:1. Khi mi pht sng trm.2. Khi c cnh bo v mt cn bng thu pht( path balance).3. Thay cc thit b lin quan n ng thu (SURF, CTU, cp)4. Thay i cu hnh ca trm.CNG C:1. My tnh xch tay + Phn mm kt ni PCPlus2. Cp kt ni my tnh vi thit b: Cp 9-9 MCUF/EQCP; 9-9 RSS.3. My pht tn hiu chun. 109Cn chnh ng h GCLKMC CH:Cn chnh ng h GCLK nhm m bo cho thit b vn hnh ng b trong mng, cho cht lng sng tt.THC HIN KHI: 1. Cn chnh l thit lp li cc thng s cn thit ca thit b m theo thi gian vn hnh b sai lch.2. Khi c cnh bo v mt ng b trn trm BTS ( GCLK Calibration request).CNG C: 1. My tnh xch tay + Phn mm Procomm Plus. 2. My o Anritsu MF2412C + Adapter BNC.3. Dy kt ni 9-9 MCUF QUY TRNH CN CHNH GCLKB1. Kt ni tn hiu cn o vo Input2. B2. Ni t thit b.B3. Power on ng sau my.B4. Power on ng trc my (StandbyOn).B5. Thit lp:a) n phm Presetb) Chn knh vo cho Input2. n phm Input hin th mn hnh chuynsang ch Input. Chn menu Input CH bng cc phm . n phmEnter chn Input2.c) Chuyn sang menu Impd2 bng phm . Thit lp tr khng u vol 1MOhm. Chn 1MOhm, n phm Enter.d) n phm Return to Meas hin th mn hnh o.f) La chn phn gii tn s v tc ly mu bng cc phm mi tn.Mn hnh hin th m c tn s xung quanh gi tr 8 Khz.

Chng III: KT LUNBn bo co thc tp ny nghin cu v trnh by t tng quan ti chi tit v ti BTS Motorola. c bn bo co chng ta cn lm c cc ni dung chnh sau:Chng I: C ci nhn tng quan nht v mng di ng GSM v cc thnh phn chnh ca n. Tip ti cn lm vng khi nim BTS v v tr ca n trong h thng GSM.Chng II: Nghin cu cu trc c bn trm BTS, thnh phn v cc chc nng ca tng khi. T nhng kin thc c bn v BTS, chng ta nghin cu su hn c th l BTS motorola, gm 2 loi l: BTS Horizon macro v BTS Horizon II macroV mt iu quan trng trong nghin cu v BTS buc phi lm vng l nhng kin thc v cc li v quy trnh x l li ti BTSChng III: kt lun

LI CM N.

u tin, ti xin gi li cm n chn thnh n thy Vn Quang Dng gip v hng dn ti thc tp ti Vin Khoa Hc K Thut Bu in. Khng nhng th, trong qu trnh thc tp thy ch bo v hng dn tn tnh cho ti nhng kin thc l thuyt, cng nh cc k nng lm vic, cch gii quyt vn , t cu hi Thy lun l ngi truyn ng lc trong ti, gip ti hon thnh tt giai on thc tp tt nghip.Cho php ti gi li cm n su sc n hc vin Cng Ngh Bu Chnh Vin Thng to mi iu kin thun li gip ti cng nh cc sinh vin khc hon thnh giai on thc tp tt nghip.Chn thnh cm n n cc bn trong nhm thc tp h tr ti c th hon thnh tt cng vic c giao. Ti xin chn thnh bit n s tn tnh dy d ca tt c cc qu thy c Khoa Vin Thng hc vin Cng Ngh Bu Chnh Vin Thng.

H Ni, ngy...thng...nm...Sinh vinNguyn Ch Hong

DANH MC TI LIU THAM KHO

[1]. PTS. Nguyn Phm Anh Dng, Thng tin di ng GSM, Nh xut bn bu in, H Ni 1999.[2].Installation AND Configguration Horizon II Macro v Service Manual - Horizon II macro ca Motorola[3]. Asha K. Mehrotra, GSM System Engineering, Artech House, Ine Boton London 1996.[4]. Motorola-Horizon II-Installation 68P02902W97-B28-Jul-2004[5]. Horizon-II-Macro-Presentation

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