bao cao ran2galcatel

7/31/2019 Bao Cao Ran2gAlcatel

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Trung Tm Thng Tin Di ng Khu Vc VI i iu Hnh

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Bo co thvic : Tm hiu h thng RAN 2G Alcatel

Mc lcChng 1: TNG QUAN V H THNG GSM ......................................................... 4

1.1 Lch s ................................................................................................................... 41.2 Giao din v tuyn ................................................................................................ 4

1.3 M ha m thanh ................................................................................................... 5

1.4 Cu trc mng GSM.............................................................................................. 6

1.4.1 H thng trm con (BSS) ............................................................................... 6

1.4.2 H thng con chuyn mch (SS) .................................................................... 7

1.4.3 GPRS Core Network ....................................................................................... 8

1.4.4 H thng vn hnh v bo tr (OMS).............................................................. 8Chng II: H THNG RAN 2G EVOLIUM ALCATEL .......................................... 9

2.1 Cc giao din trong BSS EVOLIUM ALCATEL .......................................... 10

2.2 BSC ................................................................................................................. 11

2.2.1 Cc chc nng:.............................................................................................. 11

2.2.2 BSC 9120 .................................................................................................... 13

2.2.3 BSC 9130 ..................................................................................................... 14

2.3 TC .................................................................................................................... 18

2.3.1 Chc nng ca TC .................................................................................... 18

2.3.2 G2 TC: ...................................................................................................... 18

2.3.3 9125 TC: ................................................................................................... 18

2.4 BTS ................................................................................................................. 21

Chng 3: PHN PS TRONG RAN 2G ALCATEL .................................................. 24

3.1 S lc v GPRS: ........................................................................................... 24

3.2 Tng quan v Alcatel MFS ............................................................................. 29

3.3.1 Cc c tnh chnh vdung lng EVOLIUM A9130: ........................... 32

3.3.2 Kin trc MFS: ......................................................................................... 33

3.3.3 Cc cu hnh MFS: ................................................................................... 37

3.3.4 Quy trnh chuyn BSS t mt MFS sang mt MFS khc ........................ 40


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Danh mc hnh v bng:Hnh 1.1: Cu trc mng GSM ................................................................................. 5Hnh 2.1 : Kin trc h thng GSM ca EVOLIUM ALCATEL ............................ 8

Hnh 2.2: Cc giao din trong BSS EVOLIUM ALCATEL ................................... 9Hnh 2.3: Kin trc BSC9120 .............................................................................. 12Hnh 2.4: cc cu hnh ca BSC 9120 ................................................................... 13Hnh 2.5: kin trc BSC 9130 ............................................................................... 14Hnh 2.6: cc thnh phn trong BSC 9130 ............................................................ 15Hnh 2.7: M hnh thc t mt Rack ATCA ca BSC 9130 ................................. 17

Hnh 2.8: LIU SHELF ........................................................................................... 16Hnh 2.9: S chc nng TC .............................................................................. 18Hnh 2.10: Cu hnh phn cng 9125 TC .............................................................. 19

Hnh 2.11: Truyn dn trong TC 9125 .................................................................. 20Hnh 2.12: Cc cu hnh mng BTS ...................................................................... 21Hnh 2.13: s cu trc BTS 9100 ..................................................................... 22Hnh 2.14: cc cu hnh t MBI ............................................................................ 23Hnh 2.15: cc cu hnh t MBO ........................................................................... 23Hnh 3.1: Nguyn l (E)GPRS .............................................................................. 24Hnh 3.3: cc giao din trong mng GPRS ............................................................ 26Hnh 3.4: Giao din Ater Mux ............................................................................... 27

Hnh 3.5: Gb over IP.............................................................................................. 28Hnh 3.6: PCU v CCU ......................................................................................... 30Hnh 3.7: V tr MFS trong mng v nh tuyn ................................................... 31Hnh 3.8: Lung bo hiu ...................................................................................... 31Hnh 3.9: Kin trc c bn MFS ........................................................................... 33Hnh 3.10: Kin trc MFS chi tit ......................................................................... 34Hnh 3.12: shelf MFS trong cng ngh ATCA ..................................................... 38Hnh 3.12: Cc cu hnh ca MFS 9130 ................................................................ 38Hnh 3.13: Khai bo MFS mi trn OMC-R (1) ................................................... 43

Hnh 3.14: Khai bo MFS mi trn OMC-R (2) ................................................... 43Hnh 3.15: tch BSS khi MFS c(1) .................................................................... 44Hnh 3.16: tch BSS khi MFS c(2)_unlink Gb .................................................. 45Hnh 3.17: tch BSS khi MFS c(2)_Unlink ater mux ....................................... 45Hnh 3.18: tch BSS khi MFS c(3)_dissociate MFS vi BSS trn PRC ........... 46Hnh 3.19: tch BSS khi MFS c(4)_BSS sau khi tch khi MFS ..................... 46Hnh 3.20: gn BSS vo MFS mi(1)_Associate MFS vi BSS trn PRC .......... 47Hnh 3.21: gn BSS vo MFS mi(1)_Associate MFS v BSS thnh cng ........ 47Hnh 3.22: Chn BSC ............................................................................................ 48Hnh 3.23: Chn GPU ........................................................................................... 48


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Hnh 3.24: Link cc TP vi cc AterMux ............................................................. 49Hnh 3.25: Link cc ng Gb .............................................................................. 49Hnh 3.26: Global Align cp nht cc lin kt .................................................. 50Hnh 3.27: to NSE mi cho cc lung Gb(1) ...................................................... 50

Hnh 3.28: to NSE mi cho cc lung Gb(2) ...................................................... 51Hnh 3.29: to NSVC mi cho cc lung Gb(1) ................................................... 51Hnh 3.30: to NSVC mi cho cc lung Gb(2) ................................................... 52Hnh 3.31: Active GSL cho cc Atermux ............................................................. 52Hnh 3.32: Algin Gprs Configuration .................................................................... 53Hnh 3.33: Unlock cc AterTP cho cc AterMux ................................................. 53Hnh 3.34: Unlock GSL cho cc atermux. ............................................................ 54Hnh 3.35: Cu hnh thnh cng cho mt Atermux .............................................. 54Hnh 3.36: Vo cc TP thuc Atermux ................................................................. 55

Hnh 3.37: Chn USD/USD A Interface ............................................................... 55Hnh 3.38: Chn cc DTC ..................................................................................... 56

Bng 2.1: cc cu hnh ca BSC 9120 .................................................................. 14Bng 3.1: d phng trong MFS 9130 .................................................................... 33Bng 3.2: Cc cu hnh ca MFS 9130 ................................................................. 39


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Chng 1:TNG QUAN V H THNG GSM

1.1 Lch sVo u thp nin 1980 ti chu u ngi ta pht trin mt mng in thoi di ngch s dng trong mt vi khu vc. Sau vo nm 1982 n c chun ho biCEPT (European Conference of Postal and Telecommunications Administrations) vto ra Groupe Spcial Mobile (GSM) vi mc ch s dng chung cho ton Chu u.Mng in thoi di ng s dng cng nghGSM c xy dng v a vo s dngu tin bi Radiolinja Phn Lan.

Vo nm 1989 cng vic qun l tiu chun v pht trin mng GSM c chuyncho vin vin thng chu u (European Telecommunications Standards Institute -ETSI), v cc tiu chun, c tnh phase 1 ca cng nghGSM c cng bvo nm1990. Vo cui nm 1993 c hn 1 triu thu bao s dng mng GSM ca 70 nhcung cp dch v trn 48 quc gia.H thng thng tin di ng ton cu (ting Anh: Global System for MobileCommunications; ting Php: Groupe Spcial Mobile; vit tt: GSM) l mt cngngh dng chomng thng tin di ng. Dch v GSM c s dng bi hn 2 tngi trn 212 quc gia v vng lnh th. Cc mng thng tin di ng GSM cho php

c th roaming vi nhau do nhng my in thoi di ng GSM ca cc mngGSM khc nhau c th s dng c nhiu ni trn th gii.GSM l chun ph bin nht cho in thoi di ng (TD) trn th gii. Khnngph sng rng khp ni ca chun GSM lm cho n trnn ph bin trn th gii, cho

php ngi s dng c th s dng TD ca hnhiu vng trn th gii. GSMkhc vi cc chun tin thn ca n v c tn hiu v tc , cht lng cuc gi. Nc xem nh l mt h thng TD th h th hai (second generation, 2G). GSM lmt chun m, hin ti n c pht trin bi 3rd Generation Partnership Project(3GPP) ng vpha quan im khch hng, li th chnh ca GSM l cht lngcuc gi tt hn, gi thnh thp v dch v tin nhn. Thun li i vi nh iu hnhmng l khnng trin khai thit b t nhiu ngi cung ng. GSM cho php nh iuhnh mng c th sn sng dch vkhp ni, v thngi s dng c th s dngin thoi ca hkhp ni trn th gii.

1.2 Giao din v tuynGSM l mng in thoi di ng thit k gm nhiu tbo do cc my in thoidi ng kt ni vi mng bng cch tm kim cc cell gn n nht. Cc mng di ngGSM hot ng trn 4 bng tn. Hu ht th hot ng bng 900 MHz v 1800

MHz. Vi nc Chu M th s dng bng 850 MHz v 1900 MHz do bng 900


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MHz v 1800 MHz ni ny b s dng trc. V cc k him c mng no sdng tn s 400 MHz hay 450 MHz ch c Scandinavia s dng do cc bng tnkhc b cp pht cho vic khc.Cc mng s dng bng tn 900 MHz th ng ln (t thu bao di ng n trm

truyn dn uplink) s dng tn s trong di 890915 MHz v ng xung downlinks dng tn s trong di 935960 MHz. V chia cc bng tn ny thnh 124 knh vi rng bng thng 25 MHz, mi knh cch nhau 1 khong 200 kHz. Khong cchsong cng (ng ln & xung cho 1 thu bao) l 45 MHz. mt snc, bng tn chun GSM900 c mrng thnh E-GSM, nhm t cdi tn rng hn. E-GSM dng 880915 MHz cho ng ln v 925960 MHz chong xung. Nh vy, thm c 50 knh (nh s 975 n 1023 v 0) so vi

bng GSM-900 ban u. E-GSM cng s dng cng ngh phn chia theo thi gianTDM (time division multiplexing), cho php truyn 8 knh thoi ton tc hay 16 knh

thoi bn tc trn 1 knh v tuyn. C 8 khe thi gian gp li gi l mt khungTDMA. Cc knh bn tc s dng cc khung lun phin trong cng khe thi gian. Tc truyn d liu cho c 8 knh l 270.833 kbit/s v chu k ca mt khung l 4.615 m.Cng sut pht ca my in thoi c gii hn ti a l 2 watt i vi bng GSM850/900 MHz v ti a l 1 watt i vi bng GSM 1800/1900 MHz.

1.3 M ha m thanhGSM s dng kh nhiu kiu m ha thoi nn tn s audio 3,1 kHz vo trongkhong 6.5 and 13 kbit/s. Ban u, c 2 kiu m ho l bn tc (haft rate -5.6 kbps)v

ton tc (Full Rate -13 kbit/s)). nn h s dng h thng c tn l m ha dontuyn tnh (linear predictive coding - LPC).GSM c ci tin hn vo nm 1997 vi m ha EFR (m ha ton tc ci tin -Enhanced Full Rate), knh ton tc nn cn 12.2 kbit/s. Sau , vi s pht trin caUMTS, EFR c tham s li bi kiu m ha bin tc, c gi l AMR-Narrowband.C tt c bn kch thc cell site trong mng GSM l macro, micro, pico vumbrella. Vng ph sng ca mi cell ph thuc nhiu vo mi trng. Macro cell

c lp trn ct cao hoc trn cc to nh cao tng, micro cell li c lp cc khuthnh th, khu dn c, pico cell th tm ph sng ch khong vi chc mt tr li nthng c lp tip sng trong nh. Umbrella lp b sung vo cc vng b chekhut hay cc vng trng gia cc cell.Bn knh ph sng ca mt cell tu thuc vo cao ca anten, li anten thngth n c th tvi trm mt ti vi chc km. Trong thc t th khnng ph sng xanht ca mt trm GSM l 35 km (22 dm).Mt s khu vc trong nh m cc anten ngoi tri khng th ph sng ti nh nh ga,sn bay, siu th... th ngi ta s dng cc trm pico chuyn tip sng t cc anten

ngoi tri vo.


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1.4 Cu trc mng GSM

Hnh 1.1: Cu trc mng GSMMng GSM c chia lm ba h thng chnh :

- H thng con trm gc (BSS)- H thng con chuyn mch (NSS)- H thng core GPRS.- H thng vn hnh v bo tr (OMS)

1.4.1 H thng trm con (BSS)BSS Base Station Subsystem= TRAU (TC)+ BSC + BTS + PCU

+ TRAU (TC) : b chuyn i m v phi hp tc + BSC : biu khin trm gc+ BTS : trm thu pht gc

+ MS: chnh l nhng chic di ng gm: ME v SIMChc nng ca BSC : - iu khin mt s trm BTS x l cc bn tin bo hiu - Khito kt ni. - iu khin chuyn giao: Intra & Inter BTS HO - Kt ni n cc MSC,BTS v OMCChc nng ca BTS : - Thu pht v tuyn - nh x knh logic vo knh vt l - Mha v gii m - Mt m / gii mt m - iu ch / gii iu ch.Chc nng TRAU (TC): Btng thch tc v chuyn i m c nhim v bini tc ca lung d liu cho ph hp vi ng truyn, v chc nng chuyn m.TRAU c tht MSC hoc BSC.


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Chc nng PCU(Packet Control Unit): C chc nng qun l ti nguyn d liugi.

1.4.2 H thng con chuyn mch (SS)SS chu trch nhim x l cuc gi v cc chc nng n thu bao. SS bao gm cc

khi chc nng:

Trung tm chuyn mch cc dich v di ng (MSC)- Thc hin cc chc nng chuyn mch ca h thng.- iu khin cc cuc gi t cc h thng in thoi v d liu khc,- Tnh cc, bo hiu knh chung

Thanh ghi nh v thng tr (HLR)HLR l c s d liu dng lu tr v qun l tt c cc thng tin ca thu bao di

ng, thng tin lu tr trong HLR do ngi qun tr cp nht vo, thng tin nykhng cho bit v tr hin ti c th ca thu bao di ng m ch cho bit VLR m thubao ang hot ng. Cc trng lu tr trong HLR bao gm:

- IMSI: snh ngha thu bao di ng quc t- Ki

: kha nhn thc thu bao.- VLR hin ti ca thu bao.- Cc dch v ca thu bao di ng.- MSRN: s chuyn vng ca thu bao di ng.

Thanh ghi nh v tm tr (VLR):VLR l mt c s d liu lu tr cc thng tin tm thi v thu bao di ng cn thitcho MSC phc v cho cc thu bao tm tr. VLR thng c gn vi MSC. Khimt thu bao chuyn ti mt MSC mi, VLR kt ni vi MSC ny s yu cu d liu

v thu bao t HLR. Sau , mi ln thu bao thc hin mt cuc gi, VLR s ccc thng tin cn thit cho vic thit lp cuc gi m khng phi hi HLR. Cc trngthng tin lu tr trong VLR bao gm:- Trng thi hin thi ca thu bao(bt, m, bn ri)

- S LAI hin ti ca thu bao- TMSI: S thu bao tm thi- MSRN: s chuyn vng ca thu baoThanh ghi xc nh thit b(EIR):

EIR l mt c s d liu cha cc thng tin v xc nh thit b di ng chng livic ly cp, s dng tri php thit b di ng. EIR c kt ni vi MSC qua ng

bo hiu, n cho php kim tra s hp l ca thit b.Trung tm nhn thc(AC):


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AC l khi thc hin vic nhn thc v m ha kim tra tnh hp l ca thu bao.AC kt hp vi HLR cung cp cho VLR cc ghng s nhn thc mt MS c quyntruy cp vo mng hay khng.

1.4.3 GPRS Core NetworkGPRS h trvic cung cp cc dch v gi v nhn d liu ch truyn gi mkhng phi s dng ti nguyn ch chuyn mch knh.GPRS Core Network bao gm cc thnh phn :

- SGSN (Serving GPRS Support Node)o nh tuyn gi d liu.o iu khin bo mt v truy cp.o Giao tip vi HLR v VLR cho th tc cp nht v tr MS.

- GGSN (Gateway GPRS Support Node)

o L mt phn ca mng li GPRS.o L mt IP router, lin kt ti cc mng d liu.o Lin kt ti cc mng chuyn mch gi (PS) khc.

1.4.4 H thng vn hnh v bo tr (OMS)OMS l mng my tnh c ni vi cc thnh phn ca h thng thc hin chc

nng iu hnh v bo dng. Mt OMS gm c hai thnh phn : trung tm vn hnhv bo dng (OMC) v trung tm qun l mng (NMC).

- OMC : thc hin cc chc nng c tnh cht cc b, h trcc chc nng :o Qun l cu hnh mngo Qun l qu trnh lm vic ca mngo Qun l bo mt

- NMC : gim st cc OMC trong mng, c chc nng :o Gim st v x l cc s c v cnh boo X l mt s s c trong mng.


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Chng II: H THNG RAN 2G EVOLIUM ALCATEL

Hnh 2.1 : Kin trc h thng GSM ca EVOLIUM ALCATELPhn BSS (RAN) trong h thng GSM ca EVOLIUM ALCATEL bao gm:

- BTS : Alcate Evolium 9100 BTS- BSC : BSC 9120 v BSC 9130- TC : Evolium G2 Transcoder v Evolium Alcatel 9125 Compact

Transcoder- MFS : Alcate 9130 MFS

C th chia h thng BSS ca EVOLIUM ALCATEL thnh hai phn chnh :- Phn CS : bao gm BTS, BSC, TC- Phn PS : bao gm BTS, BSC, MFS.

Chng ny s cp ti nhng thnh phn thuc phn CS.OMC-R gim st mt hoc mt vi BSS. OMC-R thc hin cc chc nng :

- Qun l cc phin bn phn mm BSS.- Hot ng nh l trung tm lu tr cu hnh.- Qun l li v cc bo co o lng hiu sut.

-

X l gim st li v s c.


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2.2BSC2.2.1 Cc chc nng:

-Qun l knh iu khin: GSM yu cu cc loi knh iu khin khc nhau.BSC thc hin cc chng nng qun l cho cc knh sau: BCCH, CCCH,

SDCCH, FACCH, SACCH.-Qun l ti nguyn knh lu lng: Thit lp v gii phng ti nguyn v

tuyn trong p ng cc yu cu t MSC v MS.-Qun l knh v tuyn: chc nng BSSMAP thc hin cc chc nng qun l

lin quan ti knh v tuyn nh tm gi, cp pht, chuyn giao-Kt ni cc knh A ti cc knh v tuyn: BSC qun l cc ti nguyn knh

v tuyn v MSC qun l cc knh A. iu ny cho php BSC kt ni bt kknh v tuyn no ti knh A s dng knh Abis.

-Phn phi bn tin: chc nng phn ng dng BSS (BSSAP) x l cc bn tin

gia MSC v MS.-o lng v tuyn: BTS thc hin cc o lng. BSC xl cc o lng

cho php iu khin cng sut c BTS v MS. Da vo kt quo lng,BSC c th cho php thc hin chuyn giao.

-Central Trace: ngi vn hnh ti MSC c th yu cu d tm MS trongPLMN da vo s IMSI ca n. D liu v tuyn lin quan ti vic d tmny c thc th hint rn OMC-R.

-iu khin qu ti: khi mt BSC pht hin qu ti, n s thc hin gim ti. V

d: bng cch gim s bn tin o lng t BTS.-Thay i cc cuc gi hin hnh (ICM): trong qu trnh ca cuc gi, ICM cthc thc hin : thay i dch v ca cuc gi ( thoi sang d liu).gim tc thoi, thay i ch truyn khng lin tc (DTX) ngdownlink.

-Gim st phn t mng: Thu thp d liu ( cnh bo, hiu sut) t cc phnt mng.

-Qun l li:- Pht hin li.

- nh v li.- Cu hnh li ti nguyn v tuyn.

-Qun l cu hnh: Qun l cu hnh l qu trnh a cc thnh phn thit yuc phn cng v phn mm ca mng vo vn hnh v xc nh khnnghot ng ca chng.

Cu hnh phn cng: cho php ngi vn hnh iu khin vic btr phn cng BSS, vi cch , cc phn t phn cng mng shot ng v tng tc vi nhau trong BSS. Ngi vn hnh mngcng c th quan st trng thi cu hnh phn cn ca mng vthay i cc thng siu khin nhng phn t ny.


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o c th hin BSC Terminalo Thay i OMC-R

Cu hnh phn mm, c sd liu: cu hnh phn mm cho phpci t phin bn mi ca BSS.

o Lu trBSCo Thay i OMC-R

Cc tham s logic: c hai loi cu hnh logic:o Cu hnh logic v tuyn cho php thay i cc thng siu

khin giao din v tuyn, bao gm: nh ngha knh, cu hnhli cc CU v TRE v nh ngha h thng nhy tn.

o Cu hnh logic cell hin thv thay i cc thng s logic vngng lin quan ti hot ng ca cell. Cu hnh ny cchia thnh cc lp. N cn cho php hin th cc thng tin b

sung v cc cell trong qu trnh to, thay i v xa.-Qun l hiu sut:

- Qun l, o lng v chuyn ti OMC-R.- Cnh bo

-Bo tr module truyn dn:- BSC qun l truyn dn.- Cc phn t truyn dn lin kt BTS, BSC, MFS v MSC v

h trcho cc giao din bn trong BSS.

-

Cc thnh phn truyn dn trong BSS bao gm:o Base Station Interface Equipment (BIE)o Submultiplexer (SM)o Transcoder (TC)o Trasmission Sub-system Controller(TSC).


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2.2.2 BSC 9120

Hnh 2.3: Kin trc BSC9120TSU: Terminal Sub UnitTCU: TRX Control UnitG2 BSC ny bao gm mt switch v 3 sub-unit chnh (TSU):

- Abis TSU: xc nh kt ni ti BTS. Dung lng 32 FR TRX mi TSU.

- Ater TSU: xc nh dung lng m BSC c th x l. Cung cp kt ni ti TC(CS) v MFS (PS). Dung lng 240 knh mi TSU.

- Common TSU: cho mc ch OAM.Mi cu hnh BSC bao gm mt khi Common Functions TSU v vi Abis TSU vAter TSU.Cu hnh ti a l cu hnh 6. Cc cu hnh nhhn bao gm t rack hn hoc dngmt na rack

Hnh 2.4: cc cu hnh ca BSC 9120


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Cu hnh 6: h trti 448 TRX/264 cell.Bng 2.1: cc cu hnh ca BSC 9120

Trong bng trn gi tr ti a i vi mi mc c a ra, nhng khng phi l gitr ti a c th p dng ti mt thi im. Vi kch thc thc s ca BSC, Acatel

ch c th da vo yu cu lu lng thc t.Trong cu hnh 6, c 9 Ater Mux TSU vi 2 ASMB/TSU do c ti a 18 Ater Muxcho mi BSC cu hnh 6.

2.2.3 BSC 9130BSC 9130 da trn MX platform pht trin trn chun ATCA ph hp vi kintrc, c cu, cc loi board, phn mm cho cc thit b mng ca Evolium.Tiu chun ATCA c xy dng da trn cc chc nng chun qua cc switch

Ethernet Gigabyte.


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M t v cu hnh BSC 9130

Hnh 2.5: kin trc BSC 9130- Cc board LIU ( Line Interface Unit) kt ni cc lung E1 (Abis v Atermux)- Cc MUX (Multiplexer): ghp cc knh lu lng E1 t tt c cc board LIU

thnh cc khung Ethernet s dng giao thc NE1oE.- Cc khungNE1oE c gi qua SSW (Ethernet Switch) board TP(Trasmission

Processing).- Board TP tch cc khung E1 t cc khung NE1oE v chuyn thnh cc lung

lu lng. Ni cch khc, cc timeslot bo hiu c tch ra v d liu cx l.

- Cc bn tin bo hiu sau c TP chuyn ti CCP (Call ControlProccessing) qua Ethernet Switch. i vi cc bn tin bo hiu, CCP x l cc giao thc lp cao nh RLS/OML v SCCP/BSSAP (cc chc nng TCU).

- OMCP (O&M Control Processing) cung cp cc chc nng OAM, iu khintruyn dn (chc nng TSC) v chc nng cp pht TCH.


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Hnh 2.6: cc thnh phn trong BSC 9130LIU shelf:

- H trti 256 lin kt E1 (gm 16 board LIU, mi LIU kt ni 16 lung E1)- NE1oE (2x MUX board)

o Packing/unpacking cc khung E1 qua khung Ethernet.o 2 lin kt GbE vi ATCA shelf.

- D phng ngun DCo 2xPower Entry Module (PEM)

TP board

- NE1oE ( Demultiplexing/Multiplexing ti 252 lung E1 t/ti GbE)- ng gi cc lung E1.- Chuyn mch TDM.- X l bo hiu HDLC v SS7.- X l Q1- Xl PPP v nh tuyn IP.

- iu khin x l.- Chuyn mch Gigabit Ethernet (GbE)

Board CCP v OMCP (CCP chy cc ng dng phn mm, OMCP chy ccchc nng chung v OAM)

- Pentium M, 1.8 GHz.- 2 GB SDRAM- 60 GB hard disk drive IDE- Giao din d phng ATCA

-

2 cng USB 2.0SSW board


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- GbE Base Interface Switcho SNMP cho qun l chuyn mch.o Cc cng Ethernet v Serial.

Hnh 2.7: M hnh thc t mt Rack ATCA ca BSC 9130

Hnh 2.8: LIU SHELFCc cu hnh BSC:C hai li cu hnh:

- Cu hnh n: BSC Evolution vi mt subrack gm t nht 2 CCP v nhiunht 6 CCP.

- Cu hnh rack i: 2 BSC vi mi subrack gm cc BSC 2 LIU shelf1subrack.

- Dung lng TRX ca BSC l 200TRX/CCP ln n 1000TRX.


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Trung Tm Thng Tin Di ng Khu Vc VI i iuHnh

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2.3TCC hai dng TC: G2 v 91252.3.1 Chc nng ca TCTranscoder cung cp chc nng:

- Nn/gii nn thoi (16Kbps64 Kbps)- Thch ng tc d liu.- iu khin OAM cho chc nng truyn dn.

TC thng c t gn MSCSub-Multiplexer (SM) ti u lin kt gia BSC v TC.

Hnh 2.9: S chc nng TCTSCA BSC thc hin chc nng gim st iu khin v qun l cho TC. TSCAc kt ni ti TC qua cc bus Qmux.SM c th l ASMC hoc c thtrong MT120 i vi 9125TC.2.3.2 G2 TC:

- H trmultiple codec: Full Rate, Enhanced Full Rate v Half Rate trn mtknh. c chun b cho TFO v AMR.

- Dung lng: 6 Ater mux. H trti 24 giao din A vi b ghp knh 4:1.Mang c 120 knh TCH trn mi knh Atermux

2.3.3 9125 TC:Cc tnh nng chnh:

- Dung lng cao, h trnhiu BSC, tch hp cao (48 MT120 = 48 Ater Mux= 192 A interface)

-

Tng thch vi TC G2.- Ci tin tnh nng OAM (download software tp trung)Cc khi nim kthut:

- Mt board MT120 tng ng vi 13 board (1 ASMC + 1 ATBX + 8DT16)- MT120 bao gm mi chc nng truyn dn v x l v tt c cc giao din

cn thit cho 120 knh TCH.Cc khnng truyn dn tch hp

- Mt board TCIF c th h tr4 kt ni STM-1 v cc giao din ater mux.1 9125 TC = vi BSC (ty thuc vo s card MT120 v cu hnh BSC)


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o MT120 tng thch vi cu hnh thit b thc t G2 TC c th dngcng vi G2 TC.

o MT120 bao gm tt c cc chc nng truyn dn v x l v tt c ccgiao din

- 1 9125 TC = 48 MT120 board = 48 Atermux- Ti thiu 2 MT120 phc v cho mt BSC cu hnh 2.- Ti a 24 BSC c th phc v bi 1 TC 9125.

Cu hnh phn cng:- Mt board MT120 thay th cho 13 board TC G2.- Board MT120WB h trW-AMR codec lm tng cht lng thoi.

Hnh 2.10: Cu hnh phn cng 9125 TC


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Khnng truyn dn:

Mt board giao din STM-1 (TCIF), da trn cng ngh ATCA cung cp ktni ti TC (A hoc/v Ater mux) v kt ni IP cho gim st.

Hnh 2.11: Truyn dn trong TC 9125


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2.4BTSVng ph ca BSS c chia thnh tng Cell v mi cell c qun l bi mt sectorcua mt BTS. Mi BTS gm cc thit bthu pht l antenna v cc thit b x ltn hiu cho giao din v tuyn.

Hnh 2.12: Cc cu hnh mng BTSCu hnh mng:

- Cu hnh mng CHAIN: mt PCM kt ni ti a ti 15 BTS (ch c 1 TRE miBTS v s dng ghp knh 16kbps) lin kt ni tip v lung PCM ny khngkt ni trc tip BTS cui cng vi BSC.Trong cu hnh CHAIN, BSC c kt ni ti mt BTS qua mt Abis. BTSny c kt ni trn port Abiss th hai ca n ti BTS thhai, v tng tnh vy n BTS cui cng.

- Cu hnh mng RING: mt lung PCM c kt ni ti ti a 7 BTS ni tipnhau v PCM ny loopback tosi BSC bi BTS cui cng.Vi cu hnh RING, BTS cui cng c kt ni trc tip ti BSC. Cu hnh

mng ny m bo hn v lu lng gia cc BTS v BSC c truyn trn 2ng.

- Mt cell thuc 2 BTSs (Cell split over 2 BTSs): h thng c th x l cc cellc cc TRXs thuc cc BTS khc nhau,Tnh nng ny nhm:

o Tng dung lng cell bng cch tng TRX trong mt BTS mi.o To mt multiband cell ( v d: mt cell 900 v mt cell 1800).o H trcu hnh 3x8 TRX trn 2 rack.

-

BTS h trdch v d liu tc cao: trong mt s trng hp, BTS c thcn nhiu hn mt PCM ti BSC.


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Hnh 2.14: cc cu hnh t MBIMultistandard Base Station Indoor Cabinet:

o MBI-3 : h tr8 TRXo MBI-5: h tr12 TRX

- MBO

Hnh 2.15: cc cu hnh t MBOCc loi cabinet v cu hnh:

o MBO1- Multistandard BTS Outdoor 1 door H tr8 TRX trong 4 subrack BBU 90Ah.

o MBO2Multistandard BTS Outdoor 2-door

H tr12 TRX trn 7 subrack.


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Chng 3: PHN PS TRONG RAN 2G ALCATEL

3.1S lc v GPRS:- GPRS h trvic cung cp cc dch v gi v nhn d liu ch truyn gi

m khng phi s dng ti nguyn ch chuyn mch knh.- GPRS cho php tnh cc theo dung lng d liu s dng.- GPRS cung cp truyn gi d liu cho cc ng dng c cc c tnh:

o Truyn dn d liu khng lin tc, khng c tnh chu k.o Thng truyn i tng phn d liu nh.o t khi truyn nhng khi d liu ln.

3.1.1 Nguyn l ca (E)GPRS : (Enhanced) General Packet Radio Service

Hnh 3.1: Nguyn l (E)GPRSCung cp dung lng knh theo yu cu nhvo cc c tnh:

- Cp pht ng cc timeslot dng cho GPRS, ghp knh thng k m bo ctnh hiu qu v khnng chia s ti nguyn cng bng.

- Cp pht cc timeslot mt cch c lp gia ng uplink v downlink.Ln ti 16 thit bdi ng c th dng chung mt timeslot: 10 ng

downlink v 6 ng uplink.Mt thit bdi ng c thc cp pht n 8 timeslot.- trnh li truyn dn, 4 s m ha (Coding SchemeCS i vi GPRS)

v 9 s iu ch v m ha (Modulation and Coding Scheme - MCS i viEGPRS) c nh ngha p ng tc bit ca mi trng.

- nh dng Burst l khng i.- Ti nguyn v tuyn chc cp pht trong thi gian truyn d liu nhvo

vic thit lp v gii phng bt i xng cc lin kt micro (Temporary BlockFlow, TBF) mi khi mt gi d liu c truyn i. K thut ny nhm thch

ng vi d liu thay i.


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3.1.2 Kin trc h thng GPRS

Hnh 3.2: Kin trc h thng GPRS

Cc phn t trong h thng (E)GPRS: Ngoi cc phn t s dng li t mng GSMthun ty (BTS, BSC,MS), h thng GPRS c cc phn t mi:

- MFS - Multi BSS Fast Packet Servero Chc nng iu khin gi GPRS.o Qun l ti nguyn v tuyn cho (E)GPRS ca mt vi BSS.o Qun l giao din vi mng li GPRS.

- SGSN Serving GPRS Support Nodeo nh tuyn gi d liu.o iu khin bo mt v truy cp.o Giao tip vi HLR v VLR cho th tc cp nht v tr MS.

- GGSN Gateway GPRS Support Nodeo L mt phn ca mng li GPRS.o L mt IP router, lin kt ti cc mng d liu.o Lin kt ti cc mng chuyn mch gi (PS) khc.

Cc nguyn l ca gii php Alcatel:- a GPRS vo BSS mt cch hiu qu v sun s bng cch gim thiu s

thay i v phn cng cn thit i vi cu trc mng c sn.

- Ch cn nng cp phn mm trn BTS, BSC v OMC-R.- Cc khi chc nng GPRS c thm vo bi phn t mng MFS (Multi

BSS Fast Packet Server). y l phn ttrung tm, iu khin mt s BSS vh trcc chc nng GPRS:

o Chc nng iu khin gi (Packet Control UnitPCU)o Giao thc giao din Gb chun.

- S dng ti a ti nguyn truyn dn c sn.o c giao din v tuyn v Abis: s dng nguyn l lu lng theo yu

cu


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o Giao din Ater mux: cc timeslot khng c s dng bi lu lngchuyn mch knh (CS) c th s dng bi lu lng chuyn mch gi(PS). Cc kt ni 2 Mbps mang d liu gi chc s dng khi sdng ht cc ti nguyn CS.

o Alcatel MFS c th kt ni mt cch trong sut (transparently) giaTC v BSC.

- Gim thiu chi ph cho cc thit b mi:o Chc nng iu khin gi (PCU) cho mt BSC c dng trn mt

board GPU.o C n 21 GPU c th lp t trn mt Alcatel MFS.o Cc chc nng qun l c s dng trn cc card iu khin s dng

chung cho tt c cc GPU.

3.1.3 Cc giao din:

Hnh 3.3: cc giao din trong mng GPRSGiao din gia MFS v BSC (AterMux)

- Lung PCM 2Mbps gm 32 khe thi gian 64 Kbps, c th dng chung bi PS

v CS.o Khe thi gian CS bao gm:

Bo hiu s 7. Cc CIC: nibbles thoi 16 Kbps. Khe thi gian OAM (X25, Qmux, Alarm octet)

o Khe thi gian PS gm c: GIC: cc nibbles d liu GPRS ti 16kpbs GSL (GPRS Signalling Link): bo hiu LapD 64 Kbps gia MFS

v BSC.GSL c s dng :


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Yu cu BSC cp/ gii phng mt knh PDCH. Thng bo vi BSC khi c mt knh MPDCH (cha cc knh

logic iu khin) Mang cc thng tin tm gi, yu cu knh, v cho php truy cp

nu khng c knh MPDCH. Ti cc thng bo (t BSC ti MFS)

- Ti MFS, cc khe thi gian PS c x l v truyn i, s dng giao din Gbti SGSN. Cc khe thi gian CS c chuyn tip ti TC.

Giao din gia MFS v TC: AterMux- Lung PCM 2Mbps gm 32 TS 64Kbps, tng ng vi cc khe thi gian CS

t BSC (CIC ti 16Kbps).Giao din gia MFS v SGSN: giao din Gb

- Lung PCM 2Mbps gm 32 khe thi gian tai 64 Kbps, h trlp Frame Relay

Link hoc IP qua kt ni Inetrnet.Giao din AterMux:

Hnh 3.4: Giao din Ater Mux

Vic s dng GPRS trong BSS cn mt vi thay i:(1)Thm vo khi PCU (MFS) iu khin cc hot ng GPRS.(2)Nng cp phn mm c khi m ha knh (CCU) ti BTS, h trcc s

m ha knh (E) GPRS.(3)Thm vo giao din Gb.


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Gb over IP

Hnh 3.5: Gb over IPGboIP l mt gii php truyn dn cho Gb, cho php tn dng mng IP cho mng di

ng. Vi GboIP NSCV dc to thnh bi s kt hp ca IP MFS v IP SGSN.


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3.2Tng quan v Alcatel MFSy l thnh phn cui cng trong phn PS ca mng RAN 2G Alcatel (cc thnhphn khc gm BTS, BSC c gii thiu trong chng trc).3.2.1 Chc nng MFS:

MFS m nhim chc nng qun l ti nguyn v thit b cho h thng chuyn mchgi (GPRS) trong cc BSS.MFS cp pht ti nguyn v qun l cc lung d liu gia BTS v GSS.MFS thc hin chc nng qun l gi (PCU):

- Cp pht ti nguyn.- Phn on d liu.- Gii phn on.- iu khin cng sut.- iu khin cc s m ha thch ng (cng vi CCU, trong BTS)

- Lin kt vi cc phn t mng ca cc nh sn xut khc.MFS l gii php ca Alcatel cho vic ng dng (E)GPRS l nhm cc chc nngPCU v kt cui Gb ca mt vi BSS thnh mt phn t mng mi.MFS qun l giao din vi SGSN trong NSS. MFS h trnhiu BSS v c th kt niti mt vi SGSN.Cc MFS c th kt ni ti cng mt OMC-R.

Cc chc nng OAM ca MFS:

-

Mc d MFS nm trong BSS, BSC khng thc hin chc nng thu thp v xl d liu cho MFS. MFS t thc hin chc nng ny v gi cnh bo v ccd liu v hiu sut cn thit trc tip ti OMC-R,

- MFS c thit k vi khnng d phng cho card GPU (GPRS ProcessingUnit), cc chuyn mch LSN v c server. Mt trong s 20 +1 card GPU hotng ch d phng v c th thay th khi mt GPU b hng.

- MFS qun l cc thit b ca n, bao gm qun l phn mm cp thp, qunl hot ng ca GPU, v chu trch nhim gim st v cu hnh ti nguyn.MFS cung cp mt giao din u cui, IMT, cho kt ni OAM cc b.


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Hnh 3.6: PCU v CCU- Khi chc nng PCU c lin kt n khi chc nng CCU (trong BTS).

MFS l trong sut vi chuyn mch knh (CS): giao din A-ter trn c hai phaca MFS (trng hp MFS gia BSC va TC).

- Giao din Gb c thc cung cp trc tip MFS (c th s dng IP hocFrame Relay cho truyn dn) hoc qua TC (c lung lu lng qua TC trncng lin kt PCM cho CS, ch c Frame Relay c th s dng cho truyn dn.)BSC chu trch nhim cp pht ti nguyn v tuyn (OMC-R iu khin)

- Cc BTS (cell) kt ni vi mt MFS lun c qun l bi cng mt SGSN

nhng c th qun l bi vi MSC.- Khi m ha/gii m knh (CCU) ca BTS qun l s m ha:

o CS1:9.06 Kbps / CS2:13.4 Kbps/ CS3: 15.6 Kbps/ CS4:21.4 Kbps (iuch GMSK)

o MCS1: 8.8 Kbps/ MCS2:11.2 Kbps/ MCS3:14.8 Kbps/ MCS4: 17.6Kbps (iu ch GMSK);

o MCS5: 22.4 Kbps/ MCS6:29.6 Kbps/ MCS7:44.8 Kbps/ MCS8: 54.4Kbps / MCS9: 59.2 Kbps (iu ch 8-PSK)


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3.2.2V tr trong mng v nh tuyn:

Hnh 3.7: V tr MFS trong mng v nh tuyn

C 3 ty chn cho kt ni MFS vi SGSN:

1) Qua TC/MSC (Frame Relay)Lu lng PS c xl trong MFS cung cp cc timeslot Gb c gi tii TC2) Qua MSC (Frame Relay)Lung PCM gia MFS v MSC l dnh ring cho giao din Gb.3) Trc tip ti SGSN (Frame Relay hoc IP)Trong trng hp Gb over IP, mt Edge Router phi c s dng cho lin kt MFSvi mng IP.

Hin ti, Trung tm VI s dng option th 3 vi truyn dn la Frame Relay. 4 MFSc t ti Long Bnh, kt ni ti 2 SGSN c t C30 (Trung Tm II).Trong ty chn 1 v 2 , lung PCM c sn trc khi tch hp GPRS v c th dngchung bi CS v PS.3.2.3Lung bo hiu

Hnh 3.8: Lung bo hiu- Mt GSL LapD c thc khai bo trn mi Ater mux.

-

Khng c tn hiu bo hiu ca lu lng GSM CS.


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3.3Alcatel 9130 MFSDa vo s pht trin cng ngh, c 2 loi MFS.

- MFS 9135- MFS 9130

Trung tm VI s dng MFS 9130 nn y s gii thiu v loi ny.3.3.1 Cc c tnh chnh vdung lng EVOLIUM A9130:

- MFS Evolution c th c t 2 n 22 card GPU.- GPU xl lu lng gi cho mt BSS.- MFS Evolution c th xl lu lng gi cho 21 BSC.- Mt BSS c thc kt ni ti vi card GPU, ty thuc vo lu lng GPRS.- Tt c cc BSS kt ni ti cng mt MFS c th lin kt ti cng MSC hoc

khc MSC.- MFS Evolution c th kt ni ti mt hoc vi SGSN, nhng mt card GPU ch

c th kt ni ti mt SGSN. an ton ca h thng:Kin trc ht thng c thit kc bit p ng c tn tin cy rt cao. Do, BSC v MFS dung lng cao khng be da, chi ph bo tr c thc gimbt.

Bng 3.1: d phng trong MFS 9130


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3.3.2 Kin trc MFS:a. Kin trc c bn:

Hnh 3.9: Kin trc c bn MFSKin trc 9130 MFS Evolution da trn cc chun ATCA.

C hai cu hnh cho 9130 MFS Evolution:- Mt ATCA shelf- Hai ATCA shelf

Mt shelf ATCA shelf bao gm:- 4 FANFan Tray- 4 PEMPower Entry Modules- 2 SHMCShelf Manager Board- 2 PCPersionality Card

Cc module ATCA sau c trong cc shelf ca 9130 MFS Evolution:- Shelf u tin (shelf 3) bao gm:

o 2 SSWGigabit Ethernet Switch Boardo 2 OMCPOAM Control Boardo C thln n 10 GPUGP Radio Processing Board

- Shelf th 2 (shelf 4) bao gm:o 2 SSWGigabit Ethernet Switch Boardo 0 OMCPOAM Control Boardo C thln n 12 GPUGP Radio Processing Board


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- LIU shelf bao gm:o Ln n 16 LIU BoardE1 Termination Boardo 2 MUXMultiplexing Boardo 2 PEMPower Entry Module

Slng OMCP, SSW, SHMC, PC v MUX c coi l 1 active + 1 standby chomc ch d phng.

b. Kin trc chi tit

Hnh 3.10: Kin trc MFS chi tit

- OMCPCard iu khin v x l OAM da trn cng nghATCA. Card ny wc

trang b b nhv m nhim vic qun l cc ng dng OAM v c MFS.


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C hai card ATCA OMCP trn MFS, hot ng chactive/standby, mbo kt ni ti OMC-R.Card OMCP active qun l cc card GPU, mi card GPU chu trch nhim chocc chc nng GPRS ca mt BSS (v d: nh tuyn cc LLC PDU t SGSN

ti BTS v MS qua BSC hoc ngc li).Card active OMCP cn qun l cc card MUX E1. Cc lin kt E1 c ktcui ti card LIU v c x l bi mt hoc vi card GPU. 9130 MFS Evolution khng c chia s b nh, d liu h thng v d liutelecom c lu trcc b nhn ca OMCP m bo an ton d liucho cc OMCP.

GPU:

Card GPU thc hin cc chc nng vin thng, mi GPU c th xl c 960

knh PDCH.Card GPU qun l vic x l mt bng d liu gi ngi dng. Card GPU giv nhn cc lung E1 qua ng Ethernet ti LIU shelf.Card GPU ca cng mt BSS giao tip vi nhau s dng giao thc UDP. Lulng lung E1 c nh tuyn ti GPU qua Ethernet Switch s dng giaothc NE1oE.C thhn, card GPU thc hin cc chc nng sau:

o X l gi GPRSo

Qun ly Frame Relay hoc UDP/IP cho giao din Gb.o Qun ly giao din GSLo Qun l giao din Atero Cung cp kt cui vt l cho cc giao din 12/14/16 lung E1 ca cc

giao din Ater v Gb.o Giao tip vi cc dch v qun l phn cng.o Chuyn mch (tch) cc khung Ethernet d liu v iu khin.o Thu v pht cc lin kt E1 qua ng Ethernet

d phng, MFS 9130 s dng n + 1 GPU, trong n GPU l active v 1

GPU l standby. GPU dphng c thit k cho c 2 ATCA shelf. Khi mts c phn cng xy ra vi mt card GPU active, mt switch over t ngc kch hot, do dch v khng bgin on. Card active c s tngchuyn thanh standby.

SSW

SSW l mt Gigabit Ethernet switch cho php chuyn mch tt c gia tt ccc phn t trong MFS v cc thit b external IP/Ethernet.Cc chc nng chnh:

o Giao tip vt l vi OMC-R


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o Giao tip vt ly vi A-GPS server.o Kt ni vi LIU shelf.o Kt ni gim st cc b.

Cc SSW s dng s bo v 1+1. Cc SSW hot ng ng thi, ngha l

cc ng dn tn ti ng thi qua c 2 SSW, nhvy, SSW x l rt nhanh.SHMC

Hai module qun l shelf c trang b trong mt ATCA shelf: 1 active + 1standbySHMC thc hin cc chc nng:

o Cp ngun v khi ng cc card trong ATCA shelf.o Cu hnh cc giao din khc nhauo Gim st, iu khin v m bo hot ng cc card l bnh thng.o Gim st tnh trng h thng, bo co cc s c.o Tp hp thng tin thng k v h thng.o Thc hin cc chc nng khi phc c bn nh l reset hoc cp ngun.o Cung cp cc dch v qun l phn cng cp thp nh ngun, quto Giao tip vi phn qun l h thng trong card OMCP.

PC

Shelf Personnality Card (PC) l mt thit b cung cp tt c cc chc nngkhng c trong cc thnh phn c th thay th (FRU).

o Cha thng tin v cc FRU.o

Cung cp kt ni vi cm bin nhit.o Cung cp cnh bo

ATCA PEM

Hai hoc bn PEM vi cu ch 90 A (hoc 50 A) c lp pha sau t MFS.PEM thc hin cc chc nng:o D phng, nu mt PEM b hng, vn c th cung cp ngun cho

MFS.o Cung cp thng tin gim st cho Shelf managero Cp ngun, v o dng in.o Cm bin nhit/.o Lc ngun

FAN

o Khi qut c nhim v tn nhit cho subrack.o Mi khi qut gim st v bo co v nhit v tnh trng hot ng

cho shelf manager. Shelf manager iu khin tc qut da vo ktqu gi v t cc sensor ca khi FAN.

Card LIUCard kt cui E1Card LIU mt shelf ring- LIU shelf. LIU shelf gm c hai card MUX v n(max l 16) card LIU tng ng vi dung lng ca 9130 MFS Evolution.


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LIU shelf qun l ghp/gii ghp v u nhy cho tt c cc lung E1 ti hoct GPU (n E1 over EthernetNE1oE).Lung PCMTTP ti/i c kt ni vi cc board trn LIU shelf, c lp viGPU. Do , khng c lin h cnh gia TP ngoi (qua LIU) v card GPU.

Lin h gia cc GPU TP v cc LIU TP (thng qua cc kt ni cho biSSW), c nh ngha khi thit lp cu hnh.LIU MUXCard LIU MUX, thuc LIU shelf, m bo vic tp trung 256 lung E1 trnmt giao din Gb. C thnh sau:

o Ghp v gii ghp 16 lung E1 (trn mi LIU) cho tng dung lng l256 lung.

o ng b thi gian cho MFS qua c ch NE1oE.o ng gi/mgi cc khung NE1oE.o iu khin, gim st v qun l cc khung qua lin kt GbE.o Lin kt card LIU MUX standby/active cho mc ch bo v 1 + 1.o Giao din debug lu tr d liu.

LIU PEM

LIU PEM thc hin cc chc nng:o Lc EMIo Chuyn i -40/72 VDC sang +12VDCo Kt ni cnh boo

Kim tra nhit o Hn dng cho thit b.

3.3.3 Cc cu hnh MFS:Cng nh BSC 9130, MFS 9310 dng ATCA do c th dng chung rack vi BSC9130. MFS 9130 c cc loi cu hnh:

- 1 MFS dng 1 rack v 1 shelf.- 1 MFS dng 1 rack gm 2 shelf.- 1 MFS dng chung rack vi BSC (MFS dng 1 shelf, BSC dng 1 shelf)


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Hnh 3.12: shelf MFS trong cng ngh ATCA

Hnh 3.12: Cc cu hnh ca MFS 9130Bng 3.2: Cc cu hnh ca MFS 9130

*) Mt card GPU giao din vi mt BSC v mt card GPU d phng cho c 2

subrack.


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**) subrack th hai h trti a 12 GPU v khng c cacd OMCP subrack nyKhi cn nhiu hn 10 GPU, subrack th hai cn c thm vo.


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3.3.4 Quy trnh chuyn BSS t mt MFS sang mt MFS khcTrong thi gian va qua, Trung Tm VI thc hin chuyn cc MFS (502, 503, 504) tC30- Trung Tm II v Long Bnh.Cc bc chuyn mt BSS t mt MFS sang MFS khc thuc cng OMC-R.

- B0. Chun b: m bo an ton mng li, vic chuyn BSS t mt MFSsang MFS khc c thc hin trong thi gian ngn, bi vy vic chun b phic thc hin k cng:

o Chun b d liu cp: chun b d liu cp hin ti v d liu cp mi.o Chun b tools: cc loi bm krone, cp.o Kt ni MFS vi OMC-R.o Chun b cp sn.o Khai bo trn cc switch v router kt ni gia MFS v OMC-R.

- B1: Cu hnh cho MFSo Connect MFS vi laptop qua port ETH trn SSW vi IP ca laptop

172.17.3.5/24o telnet ti MFS vi IP 172.17.3.3 hoc 172.17.3.4 v account:

rootsys/Rootsys.o Chy lnh sau xc nh OMCP active: ps ef|grep mfs

Nu c folder BckpRstr th l cacrd active.V d:STATION_B login: rootsys

Password:RootsysLinux STATION_B 2.4.20_mvlcge31-tomas #1 Tue Aug 23 09:51:24CEST 2005 i686 unknown

Welcome to MontaVista(R) Linux(R) Carrier Grade Edition 3.1.

Date & time of last successful logon attempt (since last reboot) : ThuAug 25 10:04 - 10:09 (00:05)

Date & time of last unsuccessful logon attempt (since last reboot) :Unauthorized access to this machine is strictly forbidden and may beliable to legal proceedingsrootsys@STATION_B:~$ ps -ef|grep mfsroot 1713 1 0 Aug23 ? 00:00:00 /usr/mfs/bin/DUMP_SRVroot 1823 1 0 Aug23 ? 00:00:00 /usr/mfs/bin/TRACE_SRVroot 2155 1902 0 Aug23 ? 00:00:00 /usr/mfs/bin/GAMroot 2185 1902 0 Aug23 ? 00:00:22 /usr/mfs/bin/GEMroot 3752 1902 0 Aug23 ? 00:00:00 /usr/mfs/bin/SCA


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root 3767 1902 0 Aug23 ? 00:00:00 /usr/mfs/bin/GOMroot 3981 1 0 Aug23 ? 00:00:00 /usr/sbin/snmpd -c

/usr/mfs/etc/snmpd.conf -Lf /usr/mfs/log/snmpd.log -p/usr/mfs/log/snmpd.pid 10.151.69.251

root 9129 1902 0 Aug23 ? 00:00:00 /usr/mfs/bin/GPMroot 9192 1902 0 Aug23 ? 00:00:00 /usr/mfs/bin/GLMroot 9206 1902 0 Aug23 ? 00:00:00 /usr/mfs/bin/mfsQ3Agt -compkg SOCKETroot 9226 1902 0 Aug23 ? 00:00:00 /usr/mfs/bin/CRAFT_SUProot 9246 1 0 Aug23 ? 00:00:00 /usr/mfs/bin/BckpRstr

o Config IP cho MFS vi RIP V2 enableDng account root thc hin:rootsys@STATION_B:~$ su -

Password: alcatelChy script sau thc hin : /usr/mfs/bin/mfs_inetV d vi data IP cho cc card OMCP v MFS nh sau

MFS IP : 10.18.239.195SubnetA : 10.18.239.192/29SubnetB : 23.23.239.192/29SubnetC: 24.24.239.192/29

root@STATION_B:~# /usr/mfs/bin/mfs_inetMX MFS Internet configuration-----------------------------

Do you want to configure the network using RIPv2? [y/n]y

Enter all Internet configuration

---------------------------------Enter external IP address for "STATION_B" on "EXT_0"

[must not be 172.17.3.4 - by default, currently: 192.168.1.2]23.23.239.194Enter external IP address for "STATION_A" on "EXT_0"

[must not be 172.17.3.3 - by default, currently: 192.168.1.1]23.23.239.193Enter address of the router on "EXT_0"

[192.168.1.3]23.23.239.195


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Enter "netmask_eth0.5"[255.255.255.248]255.255.255.248Enter external IP address for "STATION_B" on "EXT_1"

[must not be 172.18.3.4 - by default, currently: 192.168.2.2]24.24.239.194Enter external IP address for "STATION_A" on "EXT_1"

[must not be 172.18.3.3 - by default, currently: 192.168.2.1]24.24.239.193Enter address of the router on "EXT_1"

[192.168.2.3]24.24.239.195Enter "netmask_eth1.5"

[255.255.255.248]255.255.255.248Enter "station_mfs" IP address

[10.151.69.251]10.18.239.195"station_mfs" is already defined in /etc/hosts with another IP address:10.151.69.251 station_mfs STATION_MFSDo you want to remove it [y]? (other answers: continue with it)

yEnter "netmask_floating_address"[255.255.255.248]

255.255.255.248o Dng web brower (IE) truy cp vo a ch ca active OMCP.

V d: 172.17.3.4 vi account: root/alcatelXut hin mt ca s: chn tool/reset MFS

- B2: khai MFS trn OMC-R mi.o Trn DCN chn MFS/Function/Declare MFS.o in cc thng scho MFS nh IP, ID


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Hnh 3.13: Khai bo MFS mi trn OMC-R (1)o Chn Start MFS suprivision gim st MFS trn OMC-R.

Hnh 3.14: Khai bo MFS mi trn OMC-R (2)

- B3: tch BSS khi MFS co B3.1:


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Ngt kt ni (vt l) lin kt Gb c. Lock cc NSVC trn Gb ny, sau remove c NSE cha cc

NSVC ny.

Hnh 3.15: tch BSS khi MFS c(1)

Ngt cc lung Atermux c v unlink cc lung Gb v atermuxny.


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Hnh 3.16: tch BSS khi MFS c(2)_unlink Gb

Hnh 3.17: tch BSS khi MFS c(2)_Unlink ater mux

o B3.2:

trn OMC-R, to mt PRC


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ko mt cell trong BSS cn tch vo PRC ny dissociate BSC vi MFS c. Check all nu khng c li th active PRC.

Hnh 3.18: tch BSS khi MFS c(3)_dissociate MFS vi BSS trn PRC

Hnh 3.19: tch BSS khi MFS c(4)_BSS sau khi tch khi MFSSaubc ny, BSC s khng thuc MFS no c.

- B4: gn BSS vi MFS mio B4.1:

trn OMC-R, to mt PRC ko mt cell trong BSS va tch vo PRC ny associate BSC vi MFS mi.


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Check all nu khng c li th active PRC.

Hnh 3.20: gn BSS vo MFS mi(1)_Associate MFS vi BSS trn PRC Sau bc ny, BSS s thuc MFS mi.

Hnh 3.21: gn BSS vo MFS mi(1)_Associate MFS v BSS thnh cng

o B4.2: u ni cc lung Gb, v Atermux PS mi. Chn BSC v GPU tng ng : Link and Configuration/Select Chn ln lt BSC v MFS GPU tng ng


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Hnh 3.22: Chn BSC

Hnh 3.23: Chn GPU Link cc lung Gb v Atermux PS vo GPU theo d liu cp.


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Hnh 3.24: Link cc TP vi cc AterMux

Hnh 3.25: Link cc ng Gb Global align cp nht cc lin kt ny.


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Hnh 3.26: Global Align cp nht cc lin kt Kim tra trng thi cc lin kt, nu cha tt th check li theo d

liu cp.o B4.2:

To mi NSE v cc NSVC tng ng trn lung Gb.

Hnh 3.27: to NSE mi cho cc lung Gb(1)


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Hnh 3.28: to NSE mi cho cc lung Gb(2)

Hnh 3.29: to NSVC mi cho cc lung Gb(1)


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Hnh 3.30: to NSVC mi cho cc lung Gb(2) Active GSL cho cc Atermux

Hnh 3.31: Active GSL cho cc Atermux


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Algin Gprs Configuration cp nht thay i GSL

Hnh 3.32: Algin Gprs Configuration

Unlock cc AterTP cho cc AterMux:

Hnh 3.33: Unlock cc AterTP cho cc AterMux


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Unlock GSL cho cc atermux.

Hnh 3.34: Unlock GSL cho cc atermux.o Cu hnh thnh cng cho mt Atermux c cc thng snh sau:

Hnh 3.35: Cu hnh thnh cng cho mt Atermux


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- B5:o B5.1: unlock GPRS cho BSCo B5.2: unlock GPRS cho cc cell thuc BSS.

- B6: thc hin test cuc gi GPRS v kim tra lu lng

o Vo cc TP thuc Atermux v kim tra cc TS dng cho GPRS.

Hnh 3.36: Vo cc TP thuc Atermux

Hnh 3.37: Chn USD/USD A Interface


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Chn cc DTC (tng ng vi TP) v chn DTC Report

Hnh 3.38: Chn cc DTC

Kim tra s chim dng cc timeslot PS.

Hnh 3.39: Kim tra s chim dng cc timeslot PS

bao cao ran2galcatel

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