dientuvienthong.name-------------ericssion-rbs3206

8/7/2019 dientuvienthong.name-------------Ericssion-RBS3206

1/49

Bo Co Thc Tp: Cu Trc Tng Qut Mng Di ng Vinaphone V Kho St Thit B Node B

NHN XT CA C QUAN THC TP

Sinh vin thc hin : Ng Hu Thng

Lp : K Thut Vin Thng K47M s sinh vin : C47KTV.052

n v thc tp : Xng Bo Dng Sa Cha Vinaphone KV2

Cn b hng dn : Ks.V Ch Lm

........................................................................................................................................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

TP.H Ch Minh, ngy thng nm 2010

K tn

i Hc Giao Thng Vn Ti CSII

Khoa in in T

SVTH: Ng Hu Thng1


2/49


NHN XT CA GIO VIN

........................................................................................................................................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

......................................................................................................................

TP.H Ch Minh, ngy thng nm 2010

K tn

LI CM N

SVTH: Ng Hu Thng2


3/49


Bi bo co ny l kt qu ca hn 5 tun thc tp ti Trung TmDch V Vin Thng KV2. c c kt qu ny, em xin gi li cm n chn

thnh n cc cn b, ging vin Lin B Mn in-in T to iu kin

v nh hng cng thc tp cho em, ng thi em cng xin gi li cm n

n Ks.V Ch Lm, Ks. L Trung Thun v ton th cn b, k s ti Xng

Bo Dng Sa Cha Vinaphone 2 tn tnh hng dn, to mi iu kin

tt nht em c c xt thc t v tip cn cc ti liu lin quan. Mt ln

na, em xin chn thnh cm n.

Sinh vin: Ng Hu Thng

LI M U

Thng tin lin lc l mt nhu cu ca bt k mt x hi pht trin no.

p ng nhu cu lin lc ngy cng cao ca x hi, thng tin di ng c

nghin cu v pht trin t rt sm, bt u vi cc h thng thng tin di ng

s dng cng ngh analog, cho n nay cc mng di ng s dng cng ngh s

ang c ng dng rng ri v pht trin v cng mnh m. Mt xu hng r

SVTH: Ng Hu Thng3


4/49


nt trong lnh vc thng tin di ng hin nay l cc nh cung cp dch v ngoi

vic m rng dung lng khai thc hin c th vic p dng nghin cu cng

nh xc nh l trnh pht trin cng ngh tng cng kh nng cung cp a

dch v tt hn n khch hng ngy cng c quan tm nhiu hn. Trong 3G - H thng thng tin di ng th h 3 chnh l gii php cng ngh tin tin

ang c cc nh khai thc mng trin khai.

Mng thng tin di ng 3G Vinaphone ra i v gp phn ng k

trong vic thc y s pht trin ca th trng thng tin di ng Vit Nam,

n mang y cc c tnh ca h thng 3G v khc phc nhng nhc im

ca h thng 2G. Hn th na, mng 3G ca Vinaphone c trin khai theo

cng ngh WCDMA, cho php tn dng ti nguyn h thng ca cng ngh

GSM c sn, tng kh nng tng thch v gip gim chi ph lp t, vn hnh.

Tm hiu v h thng 3G l mt ti rng ln v ang rt c quan

tm hin nay. Tuy nhin, do qu trnh thi gian v phm vi thc tp c hn nn

bi bo co ny ch tp trung tm hiu v mt phn h thng v tuyn 3G ca

Vinaphone (NodeB). Vi nhng hn ch , bi bo co khng trnh khi

nhng thiu st. Rt mong nhn c nhng gp qu bu ca cc Thy v ccbn bi bo co c hon thin hn.

Bi bo co gm c 3 chng vi ni dung nh sau:

Chng 1: Gii thiu v cng ty Dch V Vin Thng VinaPhone

Chng 2: Cu trc tng quan mng thng tin di ng VinaPhone

Chng 3: Kho st thit b node B

SVTH: Ng Hu Thng4


5/49


MC LC

Trang

LI CM N.....................................................................................................3

LI M U.....................................................................................................4

CHNG 1.......................................................................................................10

GII THIU CNG TY DCH V VIN THNG VINAPHONE...........10

1.1 Cc lnh vc hot ng.........................................................................101.2 Qu trnh pht trin v cc dch v cung cp.......................................11

SVTH: Ng Hu Thng5


6/49


CHNG 2.......................................................................................................12

CU TRC TNG QUAN MNG THNG TIN DI NG.....................12

2.1 Gii thiu chung........................................................................................122.1.1 Trm di ng MS (Mobile Station) trong GSM.................................132.1.2 Thit b ngi s dng UE (User Equipment) trong UMTS...........142.1.3 Phn h trm gc (BSS - Base Station Subsystem).........................14

2.1.1.1 Trm thu pht gc BTS (Base Tranceiver Station)...................152.1.1.2 Khi TRAU (Transcode/Rate Adapter Unit)............................152.1.1.3 B iu khin trm gc BSC (Base Station Controller)...........15

2.1.2 Mng truy nhp v tuyn UMTS (UTRAN)...................................172.1.2.1 Node-B......................................................................................182.1.2.2 RNC (Radio Network Control).................................................18

2.2 Hin trng mng v tuyn Vinaphone......................................................18

2.2.1 T chc mng v tuyn......................................................................182.2.2 K hoch ph song 3G ca Vinaphone KV2......................................202.2 M hnh trin khai c s h tng chung 2G/3G...................................20

2.2.1 Anten...............................................................................................212.2.2 Dy cp feeder....................................................................................222.2.3 Thit b cp ngun..............................................................................232.2.4 Thit b Rectifier..............................................................................232.2.5 c quy.............................................................................................242.2.6 Phng my..........................................................................................25

CHNG 3.......................................................................................................26

KHO ST THIT B NODE B....................................................................26

3.1 Cc t tnh k thut ca RBS 3206.........................................................273.2 Cu trc bn trong RBS 3206...................................................................27

3.2.1 Khi v tuyn RU (Radio Unit).........................................................283.2.2 Khi b lc FU (Filter Unit)...............................................................293.2.3 Digital Cassette...................................................................................303.2.4 Khi iu khin c s CBU (Control Base Unit)...............................30

3.3 Cc gii php trin khai thc t................................................................313.3.1 Gii php kt hp vi trm sn c......................................................313.3.2 t trong th...................................................................................313.3.3 t vng ngoi ................................................................................323.3.4 Gii php ph song trong ta nh.......................................................33

3.4 Cu hnh thit b RBS 3206......................................................................333.4.1 Cu hnh v tuyn...............................................................................333.4.2 Cu hnh truyn dn............................................................................36

SVTH: Ng Hu Thng6


7/49


3.4.3 Cc bc a Node B vo pht song.................................................373.4.3.1 Cc bc chun b........................................................................373.4.3.2 Cc bc tch hp.....................................................................39

KT LUN.......................................................................................................46

TI LIU THAM KHO................................................................................47

MC LC HNH V

Trang

Hnh 2.1: Cu trc tng th h thng UMTS/GSM............................................13

Hnh 2.2: M t thit b 3G dng chung s h tng 2G.....................................21

Hnh 2.3: Phng n s dng anten 3G............................................................22

Hnh 2.4: H thng feeder cho t 2G v 3G.......................................................23

Hnh 2.5: S m t dng chung thit b ngun..............................................24

Hnh 2.6: M hnh thc t..................................................................................24

Hnh 2.7: M hnh dng chung nh trm...........................................................25

SVTH: Ng Hu Thng7


8/49


Hnh 3.1: T RBS 3206.......................................................................................26

Hnh 3.2: Cu trc bn trong RBS 3206M.........................................................28

Hnh 3.3: Khi v tuyn RU...............................................................................28

Hnh 3.4: Khi b lc FU...................................................................................29Hnh 3.5: Digital Cassette..................................................................................30

Hnh 3.6: t thit b trong vng th.............................................................31

Hnh 3.7: t thit b trong vng ngoi ..........................................................32

Hnh 3.8: t thit b trong ta nh...................................................................33

Hnh 3.9: Cu hnh cho Hyper Terminal............................................................38

Hnh 3.10: Set li IP cho my tnh.....................................................................39

Hnh 3.11: i a ch IP...................................................................................41

Hnh 3.12: Chy cc Scripts...............................................................................43

Hnh 3.13: Chy update license key...................................................................44

Hnh 3.14: Cc thng s cn thit......................................................................45

Hnh 3.14: Cc thng s cn thit

MC LC BNG

Trang

Bng 3.1: Bng tn h tr...................................................................................34

Bng 3.2: Cu trc v tuyn...............................................................................34

Bng 3.3: Cu hnh single band..........................................................................35

Bng 3.4: Cu hnh Dual band...........................................................................36

Bng 3.5: Cu hnh truyn dn...........................................................................36Bng 3.5: Cu hnh truyn dn

SVTH: Ng Hu Thng8


9/49


CHNG 1

GII THIU CNG TY DCH V VIN THNG

VINAPHONE

1.1 Cc lnh vc hot ng

Cng ty Dch v Vin thng Vinaphone l n v thnh vin ca Tp

on Bu Chnh Vin Thng Vit Nam c php hot ng kinh doanhtrong cc lnh vc sau: T chc, xy dng, qun l, vn hnh v khai thc mng

li, dch v vin thng bao gm cc mng thng tin di ng, nhn tin v in

thoi th; T vn, kho st, thit k, xy lp, bo tr, sa cha thit b chuyn

SVTH: Ng Hu Thng9


10/49


ngnh thng tin di ng, nhn tin v in thoi th ton quc; Xut khu, nhp

khu, kinh doanh vt t, thit b chuyn ngnh vin thng phc v cho hot

ng ca n v; Kinh doanh cc ngnh ngh khc nhau trong phm vi c

Tng Cng ty cho php ph hp vi qui nh ca php lut.

1.2 Qu trnh pht trin v cc dch v cung cp

Ngy 26/6/1996, mng thng tin di ng VinaPhone chnh thc i vo

hot ng, vi vng ph sng ch 18 tnh, thnh ph trn c nc. n thng

6/2006, Vinaphone ln u tin tin phong ph sng 100% s huyn trn

ton quc, k c huyn min ni, hi o v vng su vng xa.

Cng ha chung vi s tng trng khng ngng ca nn kinh t Vit

Nam ni chung v th trng vin thng ni ring, trong nhng nm qua Cng

ty Dch v Vin thng c nhiu pht trin vt bc a mng Vinaphone tr

thnh mt trong ba nh mng cung cp dch v thng tin di ng ln nht ti

Vit Nam v quy m pht trin thu bao cng nh h tng mng. Tnh n

thng 6/2010, VinaPhone c gn 36 triu thu bao thc ang hot ng,

chim hn 30% th phn di ng ton quc. VinaPhone lp t 8.000 trmBTS 3G, p ng 200% - 300% nhu cu s dng cc dch v thng tin di

ng hng ngy ca cc thu bao. Bn cnh , h thng tng i ca

VinaPhone cng c nng cp sn sng p ng c cho khong 50 triu

thu bao ang hot ng v h thng tin nhn c th chuyn ti 20 30 triu

SMS/gi. Tnh n nay, VinaPhone cng c hn 40 dch v gia tng trn th

trng.

SVTH: Ng Hu Thng10


11/49


CHNG 2

CU TRC TNG QUAN MNG THNG TIN DI

NG VINAPHONE

2.1 Gii thiu chung

y l mng di ng theo chun cng ngh GSM hot ng trn bng tn

900/1800MHz v cng ngh W-CDMA, bng tn 2100 MHz c

VNPT/Vinaphone a vo khai thc t thng 10/2009 (theo giy php s

1119/GP-BTTTT do B TT&TT cp ngy 11/8/20090.

Vi vic s dng cng ngh WCDMA, mng Vinaphone 3G cho php

thu bao di ng thc hin cc dch v c bn nh thoi, nhn tinvi cht

lng cao, t bit l truy cp Internet vi tc ti a ln n 14,4 Mbps (tc

ti a hin ti l 7.2 Mbps).

Mng Vinaphone 3G c kt ni v tch hp ton din vi mng

Vinaphone hin ti (cng ngh GSM 900/1800 Mhz), cho php cung cp dch

v theo chun 3G cho cc thu bao Vinaphone ang hot ng v cc thu baoha mng mi.

Do ch yu s dng c s h tng (nh trm) nn vng ph sng 3G s

tn ti song song vi cng ph sng 2G. Cng ngh hand-over s cho php thu

SVTH: Ng Hu Thng11


12/49


bao Vinaphone c duy tr lin lc thng sut khi di chuyn gia cc vng ph

sng 2G v 3G.

Mt h thng UMTS sau khi c nng cp v m rng t h thng

GSM hin c th cu trc h thng c th c m t tng quan nh sau:

Hnh 2.1: Cu trc tng th h thng UMTS/GSM

2.1.1Trm di ng MS (Mobile Station) trong GSM

MS bao gm thit b di ng (Mobile Equipment - ME) v mt khi nh

gi l modul nhn dng thu bao (Subscriber Identity Module SIM).

Thit b di ng ME c chc nng cung cp cho thu bao mt dch v c

th, thc hin cc chc nng truyn dn giao din v tuyn; mi ME c

gn cho mt s nhn dng thit b di ng quc t bi nh sn xut.

SVTH: Ng Hu Thng12

MSC/VLRGMSCHLRSGSNGGSNBSCBTSRNCNode BRNCNode BSIMMEUSIM

MEUSIM

MEISDN

PSTN

Intranet

Extranet

Internet

UTRANBSSCORE NETWORKOTHERNETWORK


13/49


SIM l mt modul c th tho/lp khi s dng, c dng xc nh ME

thuc s hu ca mt c nhn no . SIM c mt b nh lu tr cc thng

tin ca thu bao nh: s nhn dng thu bao (International Mobile Subscriber

Identity IMSI) c dng phn bit cc thu bao khc nhau trong mngGSM; s nhn dng tm thi (Temporary Mobile Subscriber Identity - TMSI)

thay i theo chu k, do h thng qun l bo v thu bao khng b nh

cp, kha nhn thc (Subscriber Authentication Key) dng nhn thc SIM;

s in thoi ca thu bao.

2.1.2 Thit b ngi s dng trong UMTS UE (User Equipment)

UE gn ging nh MS, bao gm hai phn: Thit b di ng ME (MobileEquipment) v Modun nhn dng thu bao UMTS USIM (UMTS Subscriber

Identity Module).

ME l u cui v tuyn c s dng cho thng tin v tuyn trn giao

din Uu

USIM l mt th thng minh cha m nhn dng thu bao, thc hin cc

thut ton nhn thc, lu gi cc kha nhn thc v mt s thng tin thu bao.

2.1.3 Phn h trm gc (BSS - Base Station Subsystem)

BSS thuc phn cu trc mng GSM, BSS giao din trc tip vi cc trm

di ng MS bng thit b BTS thng qua giao din v tuyn. Mt khc BSS

thc hin giao din vi cc tng i phn h chuyn mch SS. Tm li, BSS

thc hin u ni cc MS vi tng i v nh vy u ni nhng ngi s dng

cc trm di ng vi nhng ngi s dng vin thng khc. BSS cng phi

c iu khin, do n c u ni vi phn h vn hnh v bo dng

OSS. Phn h trm gc BSS bao gm:

TRAU (Transcoding and Rate Adapter Unit): B chuyn i m v phi

hp tc .

SVTH: Ng Hu Thng13


14/49


BSC (Base Station Controler): B iu khin trm gc.

BTS (Base Transceiver Station): Trm thu pht gc.

2.1.1.1 Trm thu pht gc BTS (Base Tranceiver Station)

Mt BTS bao gm cc thit b thu /pht tn hiu sng v tuyn, anten v

b phn m ha v gii m giao tip vi BSC. BTS l thit b trung gian gia

mng GSM v thit b thu bao MS, trao i thng tin vi MS qua giao din v

tuyn. Mi BTS to ra mt hay mt s khu vc vng ph sng nht nh gi l

t bo (cell).

2.1.1.2 Khi TRAU (Transcode/Rate Adapter Unit)

Khi thch ng v chuyn i m thc hin chuyn i m thng tin t

cc knh v tuyn (16 Kb/s) theo tiu chun GSM thnh cc knh thoi chun

(64 Kb/s) trc khi chuyn n tng i. TRAU l thit b m qu trnh m

ho v gii m ting c th ring cho GSM c tin hnh, ti y cng thc

hin thch ng tc trong trng hp truyn s liu. TRAU l mt b phn

ca BTS, nhng cng c th c t cch xa BTS v thm ch cn t trong

BSC v MSC

2.1.1.3 B iu khin trm gc BSC (Base Station Controller)

BSC c nhim v qun l tt c giao din v tuyn thng qua cc lnh

iu khin t xa. Cc lnh ny ch yu l lnh n nh, gii phng knh v

tuyn v chuyn giao. Mt pha BSC c ni vi BTS, cn pha kia ni vi

MSC ca phn h chuyn mch SS.

Cc chc nng chnh ca BSC:Mt l, Qun l mng v tuyn: Vic qun l v tuyn chnh l qun l

cc cell v cc knh logic ca chng. Cc s liu qun l u c a v BSC

SVTH: Ng Hu Thng14


15/49


o c v x l, chng hn nh lu lng thng tin mt cell, mi trng

v tuyn, s lng cuc gi b mt, cc ln chuyn giao thnh cng v tht bi.

Hai l, qun l trm v tuyn gc BTS: Trc khi a vo khai thc,

BSC lp cu hnh ca BTS ( s my thu/pht TRX, tn s cho mi trm... ).Nh m BSC c sn mt tp cc knh v tuyn dnh cho iu khin v ni

thng cuc gi.

Ba l, iu khin ni thng cc cuc gi: BSC chu trch nhim thit lp

v gii phng cc u ni ti my di ng MS. Trong qu trnh gi, s u ni

c BSC gim st. Cng tn hiu, cht lng cuc u ni c my di

ng v TRX gi n BSC. Da vo m BSC s quyt nh cng sut pht

tt nht ca MS v TRX gim nhiu v tng cht lng cuc u ni. BSC

cng iu khin qu trnh chuyn giao nh cc kt qu o k trn quyt nh

chuyn giao MS sang cell khc, nhm t c cht lng cuc gi tt hn.

Trong trng hp chuyn giao sang cell ca mt BSC khc th n phi nh s

tr gip ca MSC. Bn cnh , BSC cng c th iu khin chuyn giao gia

cc knh trong mt cell hoc t cell ny sang knh ca cell khc trong trng

hp cell ny b nghn nhiu.Bn l, qun l mng truyn dn: BSC c chc nng qun l cu hnh cc

ng truyn dn ti MSC v BTS m bo cht lng thng tin. Trong

trng hp c s c mt tuyn no , n s t ng iu khin ti mt tuyn

d phng.

2.1.2 Mng truy nhp v tuyn UMTS (UTRAN)

UTRAN (UMTS Terrestrial Radio Access Network: Mng truy nhp vtuyn mt t UMTS) thuc cu trc mng 3G, UTRAN lin kt gia ngi s

dng v CN (Core Network: Mng li).

SVTH: Ng Hu Thng15


16/49


Trong UTRAN bao gm mt hay nhiu phn h mng v tuyn (RNS),

mt RNS l mt mng con trong UTRAN v bao gm mt b iu khin mng

v tuyn (RNC) v mt hay nhiu Node-B.

Cc yu cu chnh thit k kin trc, giao thc v chc nng UTRAN:Mt l, tnh h tr ca UTRAN v cc chc nng lin quan: Yu cu tc

ng n thit k ca UTRAN l cc yu cu h tr chuyn giao mm (mt

thit b u cui kt ni ti mng thng qua 2 hay nhiu cell ang hot ng) v

cc thut ton qun l ngun ti nguyn v tuyn c bit ca WCDMA.

Hai l, lm tng s tng ng trong vic iu khin d liu chuyn mch

gi v chuyn mch knh vi mt ngn xp giao thc giao din v tuyn duy

nht v vi vic s dng cng mt giao din cho cc kt ni t UTRAN n

min chuyn mch gi v chuyn mch knh ca mng li.

Ba l, lm tng tnh tng ng vi GSM.

Bn l, S dng kiu chuyn vn trn c s IP nh l c cu chuyn vn

thay th trong UTRAN k t Release 5 tr i.

Nm l, cc thit b UTRAN vi chi ph tit kim ti a: cc thit b

UTRAN c thit k module ha v v c tnh linh hot hp l cho vic mrng dung lng trong tng lai. H thng UTRAN c kh nng nng cp ln

phin bn phn mm cao hn m ch gy ra tc ng rt nh ti hot ng

thng thng ca h thng.

2.1.2.1 Node-B

Node-B l mt thut ng s dng trong UMTS biu th BTS (trm thu

pht gc) v s dng cng ngh WCDMA trn ng v tuyn. Node B thchin vic thu pht tn s v tuyn lin lc trc tip vi cc my di ng di

chuyn t do xung quanh n.

Mt cch truyn thng, cc Node B c nhng chc nng ti thiu v thu

pht v tuyn v c iu khin bi RNC (Radio Network Controller). Vic

SVTH: Ng Hu Thng16


17/49


s dng cng ngh WCDMA cho php mt cell thuc mt Node B hoc cc

Node B khc nhau cng c qun l bi cc RNC khc nhau chng ln

nhau v vn s dng mt tn s ging nhau (trn thc t, ton b mng c th

dng ch mt cp tn s).Node B bao gm cc loi cu hnh: Macro Indoor, Macro Outdoor, Mini

Indoor, Mini outdoor, Micro Indoor, Micro Outdoor, Pico,...

2.1.2.2 RNC (Radio Network Control)

RNC l mt thnh phn trong mng truy nhp v tuyn UTMS. RNC v

c bn c nhng chc nng ging BSC trong h thng BSS GSM: Trung gian

gia trm gc (Node B trong UMTS) v h thng mng li; iu khin cucgi v tuyn (qun l ti nguyn v tuyn, iu khin v qun l chuyn giao

cuc gi ).

2.2 Hin trng mng v tuyn Vinaphone

2.2.1 T chc mng v tuyn

Mng di ng Vinaphone s dng cng ngh GSM (GPRS v EGDE) v

WCDMABng tn v rng bng tn ang s dng cho cng ngh GSM

Bng tn 900MHz:

Hng ln: 935,1MHz 943,5 MHz

Hng xung: 890,1 MHz 898,5 MHz

Bng tn 1800MHz:

Hng ln: 1805 MHz 1825 MHz

Hng xung: 1710 MHz 1730 MHz

Bng tn s dng cho cng ngh WCDMA: Bng tn 2100MHz, 3 tn s

hng ln v 3 tn s hng xung tng ng, vi bng thng 5MHz trn mt

tn s, c th:

SVTH: Ng Hu Thng17


18/49


Hng ln: 2155 - 2170 MHz

Hng xung: 10787, 10812, 10837

Qua hn 14 nm khai thc, h thng v tuyn mng Vinaphone do 5 nh

sn xut thit b cung cp v ti u ha phn vng phc v, c th gm:Motorola, Alcatel, Ericsson, Huawei, Siemens.

Ph sng tt c cc thnh ph, th x, th trn, cc trc ng quc l ni

lin cc khu kinh t trng im cc khu cng nghip, dch v, du lch quan

trng, cc khu vc ca khu, hi o quan trng v kinh t, an ninh, quc

phng,

rng ph sng 2G theo din tch trn c s h tng ca Vinaphone:

Vng ph sng 2G theo din tch (tnh theo km2) ca tng Qun/Huyn chi tit

c bn nh sau:

Tng din tch vng ph sng 2G trn ton quc: 227.495 km2

Vng ph sng 2G theo din tch: 68,69 %

n thi im hin nay, VinaPhone ph sng 3G v cung cp cc

dch v 3G ti 36 tnh, thnh ph trn c nc. Mng li ca

VinaPhone sn sng n nhn 3 triu thu bao 3G ngay trong nm2009.

2.2.2 K hoch ph song 3G ca Vinaphone KV2

Vinaphone KV2 s pht trin hn 2235 Node B v khong 15 RNC cho 22

tnh thnh pha Nam, tp trung cc thnh ph ln (TP.H Ch Minh, Bnh

Dng, ng Nai), nhng trc ng chnh (quc l 1A,..), cc qun huyn

cng nh cc khu du lch.Vinaphone s u tin cho cc thnh ph, khu vc quan trng, t bit l

cc khu thng mi, khu cng nghip, hay cc thnh ph tp trung nhiu c

quan ca chnh ph, cc doanh nghip thng mi, cng nghip, du lch v dch

v. ng thi, VNPT/Vinaphone cng trin khai mng 3G ti nng thn, u

SVTH: Ng Hu Thng18


19/49


t nng cp sn sng lp t thit b, m bo ph sng rng khp trn ton

quc, n c nhng vng cao, vng su, vng xa, bin gii, hi o

2.2 M hnh trin khai c s h tng chung 2G/3G

Hin ti, c s h tng trm BTS mng Vinaphone 2G ang chia s vi

NodeB mng 3G gm: nh trm, ct anten, anten, feeder, thit b truyn dn,

thit b cp ngun, h thng cu cp trong v ngoi phng my, h thng chng

st, h thng cnh bo trm, thit b iu ha v chiu sng.

chia s c s h tng vi trm Node B mng 3G, cc trm BTS 2G

p ng c cc iu kin sau:

V tr phng my nm trong qui hoch vng ph sng ca NodeBPhng my iu kin lp t thit b mi ca trm NodeB

SVTH: Ng Hu Thng19


20/49


SVTH: Ng Hu Thng20

PowerBTSPowerNode

-B

BTSNode

-B


21/49


Hnh 2.2: M t thit b 3G dng chung s h tng 2G

Nhng trang thit b phc v cho vic chia s c s h tng gia trm thu

pht gc 2G (BTS) v trm thu pht gc 3G (NodeB) c th nh sau:

2.2.1 Anten

V anten, do bng tn p ng anten s dng 2G khc vi 3G, v anten

hin c ang s dng trn mng hu ht khng phi l loi anten dng chung

cho 2G v 3G, nn khi a 3G vo s dng, Vinaphone chn gii php lp

mi anten chuyn dng 3G vo ct anten sn c. Vic lp mi anten 3G c

nhng u im sau:

tin hnh ph sng cho tng khu vc mng 2G v 3G khc nhau, c

th lp t cc anten c lp vi cc gc nghing v phng v khc nhau.

V khng phi thay i t anten chuyn dng cho mng 2G hin c sang

anten dng chung cho mng 2G v 3G, nn c th trnh c vn gin on

dch v 2G v l do thay anten. Theo c th ngn c nh hng do gin

on dch v i vi ngi ang s dng mng 2G.

SVTH: Ng Hu Thng21


22/49


Hnh 2.3: Phng n s dng anten 3G

2.2.2 Dy cp feeder

V cc trm ca Vinaphone hin nay dng hai loi anten 2G v 3G ring

nn ngoi h thng feeder sn c, phi lp t thm h thng feeder ni t node

B n anten 3G

SVTH: Ng Hu Thng22


23/49


Hnh 2.4: H thng feeder cho t 2G v 3G

2.2.3 Thit b cp ngun

Mc ch ca vic chia s c s h tng ca cc thit b cp ngun l

gim chi ph s dng trong vic trang b v lp t thit b cp ngun, y

nhanh tin trin khai khi khng m bo khng gian lp t ngun mi.

V vic lp t NodeB l thit yu nn lng in nng tiu th s

tng. Vic tng cng cc thit b cp ngun nh c quy, cc khi my nn

Rectifier (thit b chnh lu dng in AC/DC) v cc thit b in khc l cn

thit.

2.2.4 Thit b Rectifier

Theo nguyn l khi gn thm mt modul rectifier vo thit b cp ngun

hin c ca trm thu pht gc BTS, kh nng cp ngun ca thit b ny s

c tng ln. Nh , ta c th s dng mt cch hiu qu khng gian phng

SVTH: Ng Hu Thng23


24/49


my ca trm thu pht gc m khng cn lp t mi hon ton thit b cp

ngun dng cho NodeB.

2.2.5 c quy

H thng c quy c trang b nhm mc ch cung cp in nng cho

thit b ang hot ng trong nhng trng hp ngun in chnh b mt,

p ng c phn in nng tiu th ca vic lp t thm cc thit b lin

quan n 3G chng hn nh NodeB, cn phi lp t b sung tng dung

lng cho h thng c quy hin ti.

SVTH: Ng Hu Thng24


25/49


Hnh 2.5: S m t dng chung thit b ngun

SVTH: Ng Hu Thng25

Thit b cp ngu n AC/DCUnit#1

Unit#2

Unit#3Lp t

2G

BTS

900M

2G

BTS

1.8G

3G

NodeB

2G


26/49


Hnh 2.6: M hnh thc t

2.2.6 Phng my

Mc ch ca vic chia s c s h tng ca phng my l gim chi ph

xy dng khng gian lp t thit b, y nhanh tin thi cng khi khng

cn xy dng mi v m rng phng my nhm m bo khng gian lp t

mi. Tn dng ti a khng gian trng ca phng my, lp t cc thit b lin

quan n mng 3G nh NodeB. Vn t ra y l khi trang b thm cctrang thit b ca mng 3G vo phng my c sn, nhit lng to t my mc

s tng, v vy cn phi b sung thm cc thit b iu ho khng kh.

SVTH: Ng Hu Thng26


27/49


Hnh 2.7: M hnh dng chung nh trm

CHNG 3

KHO ST THIT B NODE B

SVTH: Ng Hu Thng27


28/49


i vi Vinaphone khu vc 2 (KV2), vic trin khai c s h tng do

Ericsson thc hin. Trong phn mng truy nhp v tuyn, Ericsson ngh

vi Vinaphone s dng cc loi thit b sau: RBS 3206, RBS 3418, RBS 3820.Chng ny s tin hnh kho st thit b ang c s dng ph bin nht

trong mng Vinaphone hin nay l RBS 3206.

RBS 3206 c 3 phin bn: RBS 3206M, RBS 3206F v RBS 3206E. Phn

ny, tp trung kho st phin bn c s dng cho mng Vinaphone hin nay

l RBS 3208M

Hnh 3.1: T RBS 3206

3.1 Cc t tnh k thut ca RBS 3206

RBS 3206 p ng c cc yu cu ngt ngho nh: tc bit, dung

lng, vng ph sng, thch ng vi trm gc xa. Ty theo yu cu ca nh

khai thc m RBS 3206 c th c cu hnh ti u tp trung vo mt s yu

cu trn.

Cc phn t ca RBS 3206 c thit k modun ha cho php ci t

linh hot v n gin ha vic bo dng. Ngoi ra, RBS 3206 c th c tch

hp lin mch vi mng hin c, cho php kt hp hiu qu vi h thng GSM,

ti u ha hot ng v chi ph.

SVTH: Ng Hu Thng28


29/49


V mt k thut, RBS 3206 h tr y HSDPA, mang n mt mng

bng rng (tng tc d liu, gim tr, tng dung lng). RBS 3206 s dng

trong c hai cu hnh single band hoc dual band v h tr ph bin di tn:

2100, 1900, 1700/2100, 900 v 850 MHz. Cho php cu hnh linh hot v cuhnh ti a l 6x2 hoc 3x4.

RBS 3206 s dng in p ng vo -48V DC hoc 120 250V AC, cng

sut tiu th ti a l 2,4KW

3.2 Cu trc bn trong RBS 3206

Mt t RBS 3206 v c bn gm c cc thnh phn chnh sau: Khi v

tuyn RU, khi lc FU, cc khe Digital Cassette, khi iu khin c s CBU.

SVTH: Ng Hu Thng29


30/49


Hnh 3.2: Cu trc bn trong RBS 3206M

3.2.1 Khi v tuyn RU (Radio Unit)

Hnh 3.3: Khi v tuyn RU

SVTH: Ng Hu Thng30


31/49


RU nhn tn hiu s t Baseband thng qua giao din RU(RUIF), chuyn

i d liu s sang tng t, khuch i v a n FU. N cng nhn tn hiu

v tuyn t FU, chuyn thnh d liu s v gi n Baseband.

Ngoi ra, RU cng cung cp ngun DC cho b lc FU v h thng iukhin anten ASC. ng thi, c th a ra cc cnh bo nhit nh cc

sensor o nhit .

Mi RU h tr mt hoc hai tn s ty thuc vo loi RU: RU21- h tr

2 tn s hng xung v 1 tn s hng ln; v R22 - h tr 2 tn s hng ln

v 2 tn s hng xung

3.2.2 Khi b lc FU (Filter Unit)

Hnh 3.4: Khi b lc FU

SVTH: Ng Hu Thng31


32/49


FU kt ni gia RU v hai nhnh anten A v B. FU cha mt b khuch

i tp m thp LNA, c nhim v lc tn hiu ng xung (TX)trc khi

truyn n anten, ng thi, lc v khuch tn hiu ng ln (RX) trc khi

n RU. Gim st phn cng anten bng cch cp ngun DC cho anten v theodi dng nu ASC v TMA khng c s dng. RU cho php kt hp TX/RX

dng chung cho mt anten.

3.2.3 Digital Cassette

Hnh 3.5: Digital Cassette

Lm chc nng giao tip gia RU v Baseband. Kt ni vi RU thng qua

cp ni trc tip, mang tn hiu c ng pht v thu, thng tin s iu khin,

d liu v tn hiu nh thi.

3.2.4 Khi iu khin c s CBU (Control Base Unit)

CBU l n v iu khin trung tm ca RBS. N x l mt s chc nng

iu khin v phn ln yu cu kt ni.

SVTH: Ng Hu Thng32


33/49


3.3 Cc gii php trin khai thc t

3.3.1 Gii php kt hp vi trm sn c

lp t mt Node B thng thng, nh khai thc phi u t mt s

vn ln cho v tr t trm, thit b v h thng anten. Trong khi cc trm c sn

s dng cng ngh ph bin nht hin nay l GSM v RBS 3206 c pht

trin c th m rng da trn cc trm sn c ny nh m hnh phn 2.2.3

3.3.2 t trong th

Hnh 3.6: t thit b trong vng th

Nu khng tnh ti kh nng tn dng cc trm GSM c sn, nh khai thc

phi i mt vi vic lp trm mi, iu ny gy ra nhng kh khn nht nh

nht l trong cc vng th. RBS 3206 gip ti thiu ha s lng trm cnlp mi, p ng cho cc nhu cu cng sut t ln n nh v tiu hao nng

lng thp. Cc phn t c modun ha theo tng khi chc nng nh gn, c

th vn chuyn d dng thch hp cho nhng ni nh hp

SVTH: Ng Hu Thng33


34/49


3.3.3 t vng ngoi

Hnh 3.7: t thit b trong vng ngoi

C hai phng php trin khai song 3G vng nng thn, ni m nhu

cu s dng thng khng cao. Mt l t cc trm c vng ph song ln v do, s lng thu bao trn mi trm cng ln. Cch khc, lp mt s lng nh

trm c phm vi ph song ch khong mt ngi lng, mt th trn l . V RBS

3206 c th p ng c mt vng ph song rng ln, v d 6 sector , cng

sut 60W/sector.

SVTH: Ng Hu Thng34


35/49


3.3.4 Gii php ph song trong ta nh

Hnh 3.8: t thit b trong ta nh

Bng vic kt hp vi h thng anten phn tn DAS lp t bn trong tanh, RBS 3206 cho php trin khai mt mng bng rng tc cao, phc v s

lng thu bao ln. Thch hp cho vic trin khai ti cc trung tm mua sm,

nh ga, cao c

3.4 Cu hnh thit b RBS 3206

3.4.1 Cu hnh v tuyn

3.4.1.1 Bng tn h tr

RBS 3206 h tr c hai cu hnh l Single band v dual band

SVTH: Ng Hu Thng35


36/49


Bng 3.1:Bng tn h tr

Phin bn RBS Bng tn h tr RBS 3206M 2100, 1900, 900 v 850 MHz

RBS 3206F2100 v 900 MHz; dual band:

2100/900

RBS 3206E1900, 1700/2100 v 850 MHz;

dual band: 1900/850 MHz

3.4.1.2 Cu trc v tuyn

Cc phin bn ca RU c th d dng kt hp vi t m rng cu

hnh. T t ban u ta c th ty bin thnh cc phin bn ca RBS 3206 nh

bng sau:

Bng 3.2: Cu trc v tuyn

Phin bn RBS S lng RU Cu hnh ti a

RBS 3206M 3 3x2

RBS 3206F 63x4 hoc 6x2,

dual band: 3x2 + 3x2

RBS 3206E 93x4 hoc 6x2,

dual band: 3x2 + 3x2

3.4.1.3 Cu hnh Single band

SVTH: Ng Hu Thng36


37/49


Bng 3.3: Cu hnh single band

Cu

hnh

Mc cng sut

2100 MHz 1900 MHz 1700/2100 MHz 900 MHz 850 MHz

3x120/30/

40/60 W 40 W 40 W 40 W 40/60 W

3x220/30/

40/60 W20/40 W 20/40 W 20/40 W

20/30/

40/60 W

3x3

20/30 W v

20+20

+40 Wv

30+30+60

W

20+20

+40 W

20+20

+40 W

20+20

+40 W

20+20

+40 W

v30+30

+60 w

3x4 20/30 W 20W 20 W 20 W 20/30 w

6x120/30/

40/60 W40 W 40 W 40 W 40/60 w

6x2 20/30 W 20 W 20 W 20 W 20/30 w

3.4.1.4 Cu hnh dual band

SVTH: Ng Hu Thng37


38/49


Bng 3.4: Cu hnh Dual band

Band 1 Band 2Bng tn Cu hnh Bng tn Cu hnh

1900 MHz

3x1, 40W

850 MHz

3x1, 40/60 W

3x2, 20W 3x2, 20/30 W

2100MHz3x1, 20/30/40/60 W

900 MHz3x1, 40 W

3x2, 20/30 W 3x2, 20 W

3.4.2 Cu hnh truyn dn

CBU c trang b 4 cng E1/T1/J1 v mt s cng m rng. Bng

bn di m t cc loi cng truyn dn c h tr v s lng ti a ca miloi cng m thit b RBS 3206 c trang b.

Bng 3.5: Cu hnh truyn dn

Chun truyn dn S cng ti a

E1/T1/J1 8

E3/T3 2

STM-1/OC-3C 2

Channelized STM-1/OC-3 1

Electrical 1

Optical Ethernet 1

SVTH: Ng Hu Thng38


39/49


3.4.3 Cc bc a Node B vo pht song

Sau khi lp t thit b, a node B vo pht song, phi tin hnh

cu hnh tch hp node B vo h thng. Cc bc tin hnh theo trnh t bn

di, phn ln cc bc c th c thc hin ti node B

3.4.3.1 Cc bc chun b

Bc 1: Chun b Laptop ci Win XP (hoc Win7), Internet Explorer,

HyperTerminal, Java, FTP client (Total Commander,), RBS Element

Management, RNC Element Manager

Bc 2: Phn mm ca NodeB v cc script gm:

RBS Software Packages: cha trong mt th mc, trong c 2 th mc

con /c2 v /d gm software package ca NodeB v Initial CV (Configuration

Version).

Script cu hnh cho NodeB gm: OAM.xml (cu hnh O&M), SE.xml

(cu hnh phn cng, cell, sector, anten), Iub.mo (cu hnh IubLink), File

Licence Key (thc hin ti NodeB hoc t OSS), File Upgrade HSPA (dng

moshell chy lnh ti NodeB hoc t OSS), File Update software NodeB

CXP9014346_R2AA%34 (thc hin ti OSS)

Bc 3: Cu hnh cho Hyper Terminal

Vo Start /Programs/Accessories/ Communications/ HyperTerminal.

Nhp vo tn, chn cng COM ph hp v thit lp cc thng s cho

cng COM:

SVTH: Ng Hu Thng39


40/49


Hnh 3.9: Cu hnh cho Hyper Terminal

Bc 4: Set a ch IP cho my tnh

Cu hnh a ch IP ca laptop cng subnet vi IP NodeB

Vo Start/Setting/Network Connections/Chut phi Local Area

Connection chn Properties.

Chn Internet Protocol (TCP/IP) v Properties

Nhp vo IP address cho my tnh v Subnet Mask

V d:RBS IP Address = 169.254.1.1 (Default IP)

Thin Client IP Address = 169.254.1.2

Subnet Mask = 255.255.255.248

SVTH: Ng Hu Thng40


41/49


Hnh 3.10: Set li IP cho my tnh

3.4.3.2 Cc bc tch hp

Bc 1: Format hard disk ca CBU

Trn card CBU c hai port u ni Emily: port Test (Serial port) v port

Ethernet. i km theo thit b c dy chuyn i t chun u ni Emily (trn

card CBU) thnh RJ45 trn Connection Field (CF).Kt ni n NodeB bng port Test trn CBU.

M chng trnh Hyperterminal vi cu hnh lu trn login vo

RBS (xut hin k t $ trn mn hnh ngha l kt ni n NodeB). Nhp

vo username: rbs, password: rbs v g cc lnh sau:

1. $ ifconfig (xem IP hin ti NodeB ch bnh thng)

2. $ reload (a CBU v back up mode, khi Node IP address,

subnetmask s mt)

3. $ vols ( xem tnh trng a /c2 v /d trong backup mode, cn trong ch

bnh thng s l /c v /d)

SVTH: Ng Hu Thng41


42/49


4. $ formathd /d (format /d)

5. $ formathd /c2 (format /c2)

6. $ vols (xem dung lng hard disk /c2 v /d)

Bc 2: Thit lp IP Address v Password1. $ reload (restart RBS ch backup sau khi format)

2. $ ifconfig le0 169.254.1.1 netmask 255.255.255.248

Do IP setting trc mt nn cn nh ngha li

3. $ ifconfig (kim tra li xem ip address c ng)

4. $ passwd (nhp password: rbs)

Tip theo, i a ch IP ca my cng subnet vi a ch IP mc nh ca

NodeB:

Hnh 3.11: i a ch IP

Bc 3: Load Software Package (phn mm ca node B) ch Backup

SVTH: Ng Hu Thng42


43/49


Gn dy t Ethernet port ca my tnh n RBS CBU Eth Port. Dng

FTP client kt ni vo Node theo a ch 169.254.1.1 vi username v password

l rbs

Chp ton b folder /c2 v /d t my tnh vo th mc gc / caNodeB.

Sau khi chp xong, chuyn kt ni sang port Test. Trn HyperTerminal,

enter xut hin k t $ v g cc lnh sau:

1. $ vols (xem li dung lng a /c2 v /d)

2. $ reload (thot khi Backup mode, tr v ch active)

i khong 5p n khi xut hin Login server ready. H thng t to

ra startable Basic_CV.

3. $ vols (xem tnh trng dung lng a /c v /d ch active)

4. $ setclock yyyy-mm-dd hh:mm:ss (set li thi gian thc)

5. $ cv cu (xem current cv)

6. $ ifconfig (xem IP hin ti ca Node B trong ch bnh thng)

Bc 4: To initial CV

Chuyn dy t Ethernet port ca my tnh n RBS CBU Eth Port. Seta ch IP ca my tnh cng subnet vi a ch IP mc nh 169.254.1.1 ca

NodeB.

Chy ng dng RBS Element Manager kt ni vo NodeB theo a ch

169.254.1.1

Vo menu Tools/Cabinet Equipment Configuration v thc hin tng

bc vi cc thng tin:

RBS product name: RBS3206 Au Hub Type: 1

Radio Building Block: RB1

IP address 169.254.1.1

SVTH: Ng Hu Thng43


44/49


netmask255.255.255.248

Sau khi kt thc, h thng t to ra INITIAL_CV v khi ng li vi

INITIAL_CV ny.

Bc 5: Chy 3 Scripts NodeB

Hnh 3.12: Chy cc Scripts

Script 1: OAM.xml

SVTH: Ng Hu Thng44


45/49


Vo RBS Element Manager menu Tools/O&M Access

Configuration (.xml) chn n file OAM.xml Next n khi

kt thc.

My tnh s mt kt ni vi NodeB khi a ch NodeB thay ithnh a ch thc IPOAM trong script OAM.

i li a ch IP ca my tnh cng subnet vi IPOAM ca

NodeB

Chy li script OAM.xml mt ln na. Khi kt thc, h thng t

to ra startable cv OAM_CV v khi ng li vi OAM_CV ny.

n y my tnh mt kt ni vi NodeB v t ng kt ni li.

Script 2: Site Equipment (SE.xml)

Vo RBS Element Manager menu Tools/Site Equipment

Configuration (.xml) chn n file SE.xml Next cho n

khi kt thc.

H thng t to ra startable cv SITE_CV

Script 3: Iub

Vo RBS Element Manager menu Tool/Run Command Line(.mo) chn file Iub.mo, check vo Halt on error v Verbose

logging. Click Start thc hin n khi xut hin thng bo thnh

cng. To CV khi kt thc.

Bc 6: Update license key

Dng FTP client kt ni vo Node theo a ch IPOAM ca NodeB vi

username v password l rbs.Chp file licence t my tnh vo /d:/ ca NodeB.

SVTH: Ng Hu Thng45


46/49


Hnh 3.13: Chy update license key

Trong RBS EM, vo listbox Licensing/Tab MO Properties/ Actions/

updateLicensekeyFile. in vo 4 thng s nh hnh sau:

Hnh 3.14: Cc thng s cn thitBc 7: Chy file update HSPA

SVTH: Ng Hu Thng46


47/49


Bc ny c th thc hin ti OSS, thc hin ti trm, chp file

RBS_HSPA_set_final_vnp3g vo C:\cygwin\home\user v dng chng trnh

moshell login vo NodeB.

Dng lnh run chy script file ny:rbs> run RBS_HSPA_set_final_vnp3g_20100526

Bc 8: Update software NodeB

Bc ny thc hin ti OSS

KT LUN

Bi bo co thc tp trnh by mt cch khi qut v m hnh h

thng thng tin di ng ca VinaPhone hin nay. Bn cnh , qua qu trnh

thc tp, c s gip ca Xng Bo Dng Sa Cha VinaPhone 2, em

c iu kin tip xc vi thit b thc t v tp trung tm hiu, kho st thit

b Node B, c th y l Ericsson RBS 3206. T c s hiu bit c th vthit b v m hnh ng dng trong thc t. Tuy nhin, trong phm vi ca bi

bo co ny, em ch trnh by khi qut v thit b RBS 3206 v phng php

SVTH: Ng Hu Thng47


48/49


cu hnh cho thit b. Mt ln na, rt mong nhn c nhng kin ng gp

t cc Thy v cc bn. Chn thnh cm n.

TI LIU THAM KHO

[1]. TS.Nguyn Phm Anh Dng, Thng tin di dng th h th ba, Nh xut

bn Bu in, 2001.

[2]. Ths. H Vn Cu, Ths. Phm Thanh m, Bi Ging Thng Tin Di ng

S, Hc Vin Cng Ngh Bu Chnh Vin Thng, 2002.

[3]. GSM RNO Training, Training Center of Huawei Technologies.[4]. Product Description for RBS 3206, Ericsson AB, 2008.

[5]. Website: http://www.vnpt.com.vn/

http://www.vinaphone.com.vn/

SVTH: Ng Hu Thng48
http://www.vnpt.com.vn/http://www.vinaphone.com.vn/http://www.vnpt.com.vn/http://www.vinaphone.com.vn/


49/49


dientuvienthong.name-------------ericssion-rbs3206

Documents