thiet bi msoftx3000_huawei

7/22/2019 Thiet bi MSoftX3000_Huawei

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Li ni u

Trong gii php Mobile Softswitch, Huawei a ra a ram hnh mng in hnh theo

3GPP R4 nh sau:

Hnh 1: Gii php Mobile Softswitchca Huawei

Chc nng iu khin trong min chuyn mch knh ca mng li c thc hin bi

MSOFTX3000 Mobile Softswitch Center (gi tt l MSOFTX3000).

MSOFTX3000 c thit k theo cu trc modul ha vi nn tng phn cng da trn

chun OSTA (Open Standard Telecom Architecture) s dng cc bus Ethernet nh bus ca cc

bng ni a chc nng (backplane). MSOFTX3000 c th trao i v chuyn cc gi d liu c

kch thc khc nhau.

y cng chnh l sn phm Mobile Softswitch m hin Huawei ang cho bn cho VNPT.

Ti liu ny bao gm cc phn chnh sau:

Phn 1:Cu trc h thng MSOFTX3000 (bao gmc cu trc vt l v cu trc logic),

Phn 2: Cc giao din kt ni ca MSOFTX3000

Phn 3:dung lng v cch m rng dung lng h thng

Phn 4:kch thc vt l ca MSOFTX3000.


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1 Cu trc h thng MSOFTX30001.1 Cu trc vt l

Hnh 2: Cu trc vt lca MSOFTX3000

Phn cng MSOFTX3000 bao gm 3 phn: OSTA subrack. BAM (Back Administration Module) iGWB (cng kt ni vi h thng Billing)

BAM (cc u cui bo dng cc b -LMT0 v iGWB hnh thnh background ca

MSOFTX3000 cung cp cc chc nng OAM vchc nng qun l CDR.

OSTA subrack l thnh phn chnh ca MSOFTX3000, cung cp cc chc nng bo hiu,

x l dch v v qun l ti nguyn.

Kt ni gia cc thit b ca h thng MSOFTX3000:

Cc subrack kt ni vi nhau thng quan giao din Ethernet ni. Mi subrack c kt niti LAN Switches 0 v 1 thng qua 2 cp mng.

Cc subrack kt ni vi BAM v iGWB thng qua giao din Ethernet ni. BAM v iGWBkt ni vi LAN Switches 0 v 1 thng qua 2 cp mng.

BAM v iGWB kt ni ti LAN Switch bng cp mng. LMT tng tc vi BAM viGWB thng qua giao thc TCP/IP theo ch client/server.


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1.2Cu trc LogicS cu trc logic phn cng MSOFTX3000 nh trong Hnh 5:

Hnh 2: Cu trc logic phn cng ca MSOFTX3000

Cu trc logic ca h thng phn cng MSOFTX3000 gm 5 module: System support module

(SSM), Interface module (IM), Signaling processing module (SLLPM), Service processing module

(SPM) v Operation and Maintenace module (OMM).

1.2.1 System support module (SSM)SSM thc hin cc chc nng sau:

+ Np d liuv phn mm.+ Qun l thit b v bo tr.+ Kt ni gia cc board (inter-board).

SSM bao gm cc khi thnh phn sau:

+ Khi qun l h thng (WSMUSystem management unit):WSMU l board iu khin chnh ca mt subrack, thng qua cc bus h thng v cc cng

ni tip, WSMU c th t c cc ch nng nh: iu khin ti, cu hnh d liu v iu

khin trng thi lm vic ca ton b thit b trong h thng.

+ Khi giao din h thng (WSIUSystem interface unit), thc hin cc chc nng sau:- Giao din Ethernet cung cp cho WSMU- Chuyn i mc i vi tn hiu ng b ca cng ni tip t WSMU.- Hai giao din vt l cung cp cho cng ni tip ng b.- Nhn dng s hiu subrack bng cch thit lp DIP switch.


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+ Hot-swap v khi iu khin (WHSC Hot-swap and control unit), thc hin cc chcnng sau:

- Cu kt ni gia cc bus chia s ti nguyn bn (left and right)- iu khin Hot-swapp ca cc board.- Intra-subrack LAN bus switching

+ Core LAN Switch, thc hin cc chc nng sau:- a kt ni gia nhiu subrack.- Kt ni gia cc subrack v thit b qun l.

1.2.2 Interface module (IM)IM cung cp cc giao din vt l gm;

Giao din bng hp(Narrowband): Khi giao din E1_pool (WEPI) cung cp 8 giao dinlung E1 thc hin framing v chc nng ng giao din (line interfacing function)(MTP1 function). WEPI c tc ng vi khi x l MTP2 (subboard ca WCSU) ca

module x l bo hiu lp thp.

Giao din ATM-2M: WEPI cung cp 8 giao din lung E1 v 2 cp tn hiu HW 8 Mbit/s kt ni vi WEAM. WEAM phn on v tp hp li cc cell ATM trong lung d liu

v chuyn bo hiu ti WBSG thng qua bus LAN ni b.

Giao din FE: WIFM cung cp giao din Ethernet 100 Mbit/s bng cch cu hnh FEPsubboard v WBFI. N gom cc lung thng tin bo hiu bng rng li v phn phi chng

cho cc khi x l ring da trn a ch IP v s hiu cng.

Tn hiu bng hp yu cu ng b xung nhp. MSOFTX3000 cung cp 2 loi ngun xungnhp, BITS v E1 v WCKI cung cp giao din vi bn ngoi.

1.2.3 Signaling processing module (SLLPM)SLLPM cung cp chc nng x l giao thc lp di, bao gm khi x l SS7 MTP2 (WCPC) v

khi x l SCTP (WBSG).

WCPC x l SS7 MTP2 qua lung E1 bng hp v lin lc vi khi x l dch v (WCSU)thng qua bus giao din ni. WCPC l mt subboard ca WCSU.

WBSG x l bo hiu lp di qua IP v ATM (bng cch s dng giao din ATM 2 Mbit)v phn phi chng ln board x l dch v lp trn (upper layer service processing board).

1.2.4 Service processing module (SPM)SPM bao gm khi x l dch v (WCCU/WCSU), khi c s d liu trung tm (WCDB), khi c

s d liu VLR v khi iu khin media gateway (WMGC):

WCCU x l giao thc bo hiu lp 3 hoc lp cao hn (MTP3, M3UA, ISUP, SCCP,TCAP, MAP v CAP) cn thit i vi cc c im ca dch v. N cng thc iu khin

cuc gi trn lp ng dng v x l cc dch v CAMEL. Trong h thng ny, 2 WCPC


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gn trn WCCU to thnh mt WCSU.

Ging nh mt khi c s d liu trung tm, WCDB lu tr ti nguyn tp trung, nh tinguyn trung k lin tng i (IOT inter-office trunk), d liu thu bao tng i ni b

(local office subcriber data), v trng thi gateway. N cng cung cp dch v truy vn ti

nguyn cuc gi i vi khi x l dch v. WVDB l mt c s d liu ng, cung cp chc nng ca VLR. WMGC iu khin H.248 media gateways.

1.2.5 Operation and Maintenace module (OMM):OMM thc hin cc chc nng sau:

Thc hin vn hnh, bo dng v qun l thit b. Cung cp giao din ngi my (man-machine) ngi s dng thc hin vn hnh v

bo dng. Cung cp giao din i vi h thng qun l mng (NMS).

cung cp cc CDR, cn phi c cu hnh iGWB trong MSOFTX3000. N gip cho vic qun l

CDR v cung cp giao din vi h thng Billing.

2 Giao din kt ni gia MSOFTX3000 vi cc phn t khc trong mng

Hnh 3: Cc giao din kt ni ca MSOFTX3000


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Kt ni Giao din Giao thc

MSC Server - MGW Mc H.248

MSC Server - RNC Iu-CS RANAP

MSC ServerBSC (GSM) A BSSAP

MSC ServerVLR B Internal protocol

VLR-HLR D MAP

MSC Server-MSC Server Nc MAP, TUP/ISUP/BICC

MSCMSC (GSM) E MAP, TUP/ISUP/BICC

MSC ServerSMC E MAP

VLRVLRG MAP

MSC ServerGMLC Lg MAP

SSPSCP - CAP

GMSC ServerPSTN

GMSC ServerPLMN- TUP/ISUP

MSC ServerSGSN Gs BSSAP+

MSC ServerNMS - MML

MSC ServerBC -FTP/FTAM

3 Dung lng v cch m rng dung lng h thng MSOFTX30003.1Cc tham s v dung lng

- Maximum capacity:

4.8M BHCA VMSC

1.024M BHCA GMSC

12.800M BHCA TMSC

- Busy hour traffic per subscriber: 25 mErlang

- Average call duration of mobile subscribers 60s

- Number of Handover per call (BH): 0.2

- Number of SMS call per subscriber at peak: 2

- Maximum controllable MGWs: 300


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- Maximum accessible RNCs: 128

- Maximum accessible BSCs: 128

3.2Cch m rng dung lngDung lng ca h thng c xc nh bi s subrack x l dch v, m rng dung

lng ca h thng cn lp thm cc subrack, s subrack ti a trong 1 MSOFTX3000 l 18

subrack.

4 Kch thc vt l ca h thngMSOFTX3000 c 2 loi t: N68E-22 v N68-22 vi cc kch thc c th nh sau:

T N68E-22:+ Kch thc (WxDxH mm): 600 x 800 x 2200 + S cabinet vi cu hnh y : 5+ Khi lng ca t cu hnh tch hp: 100 kg (empty), 365 kg (full configured).+ Khi lng ca t x l dch v: 100 kg (empty), 265 kg (full configured).+ Chiu cao ti a: 46U (1U = 44,45 mm).

T N68-22+ Kch thc (WxDxH mm): 600 x 800 x 2200+ S cabinet vi cu hnh y : 5+ Khi lng ca t cu hnh tch hp: 135 kg (empty), 400 kg (full configured).+ Khi lng ca t x l dch v: 135 kg (empty), 300 kg (full configured).

Chiu cao ti a: 46U (1U = 44,45 mm).

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