8/2/2019 t_ng di E10MM

1/35

Mc lc :-) Phn I :Mng vin thng vit nam v nhng hn ch

1)Mng vin thng vit nam+)mng thoi truyn thng POTS+)Mng internet+)mng in thoi di ng+)mng truyn s liu

2)Nhng hn ch ca mng vin thng vit nam

-)Phn II :Gii php ca hng Alcatel ln mng NGN

-) Phn III :Tng i A1000E10MM ca hng Alcatel dng trong mngNGN

I)E10MM l h thng chuyn mch a dch v

1)Cc dch v m tng i E10MM cung cp2) Tng i E10MM trong mng in thoi di ng3)Kt ni tng i ni b PABX

II) Cu trc v chc nng ca tng i E10MM

1)M t h thng tng i E10MM2)M hnh h thng c th ca tng i E10MM3)Kin trc phn cng ca tng i E10MM4) kin trc phn mm ca tng i E10M5) Khung cu trc v trng chuyn mch tc cao RCH ca E10MM6) kt lun :

1

8/2/2019 t_ng di E10MM

2/35

Phn I:Mng vin thng vit nam v nhng hn ch :

1) Mng vin thng vit nam :

- Hin nay c rt nhiu mng vin thng ang tn ti song hnh nhau nc ta , m1 loi cung cp 1 hoc nhiu loi hnh dch v khc nhau , trong phi k n mng in hnh nh :M ng tho i truy n th ng POTS

M ng INTERNET

M ng i n tho i di ng M ng truy n s li u M ng i n tho i th dng vi m ch .....

- M i 1 m ng c nh ng c tnh ring ,nh ng nhn chung chng u nh m n 2 d ch v ch y u l tho i v d li u . C ng ty t ng lo i d ch v m i m ng m cc ph n t trong m ng nh : chuy n m ch ; u cu i ; truy n d n ... c nh ng s khc bi t nhau . c bi t cc m ng khc nhau s d ng cc lo i chuy n m ch khc nhau ==> ph n t t ng i c ng ko gi ng nhau , n

cc m ng trong m ng vi n thng VI T NAM t n t i 1 cch rin bi t , m i 1 m ng c nh ng ch c n ng , d ch v khc nhau nn cc khch hng c a m i lo i d ch v kh c th s d ng c c d ch v c a 1 m ng khc ( tnh m m d o ), h n n a vi c qu n l i v i cc m ng c ng kh kh n ... c ng chnh l nh ng kh kh n c a m ng vi n thng hi n nay , c n ph i quy t cc m ng thnh 1 m ng duy nh t cho php kh c ph c nh ng kh kh n trn .

a)M ng tho i truy n th ng POTS : - VI T NAM th cc d ch v tho i v n chi m ch y u , nn m ng

i n tho i cng c ng PSTN c th ni l m ng l n nh t vi t nam , n cung c p d ch v tho i cho h u h t trn lnh th vi t nam

+ Ph n t t ng i trong m ng dduocj cung c p b i nhi u nh cung c p trong ch y u l :Alcatel ; Neax61. tr ng chuy n m ch s d ng chuy n m ch TST , thi t b u cu i k t n i t ng i b ng i d

2

8/2/2019 t_ng di E10MM

3/35

t ng t ; cc t ng i vi nhau c th k t n i b ng cp ng tr c ha cp quang ty thu c vo c ly c a cc t ng i v i nhau + Hi n nay m ng ny cn cung c p 1 s d ch v nh : chuy n cu c g i ; i cu c g i ; g i tay ba ( PABX ) ; quay s t t ; gim st cu c

g i ...b)M ng INTERNET :M ng ny hi n nay c c k pht tri n ,; s d ng giao th c SIP ; dn chuy n m ch IP trong m ng , cho php ng i dng c th truy nh m ng internet trn ton th gi i ; M ng ny c th cho php thi t u cu i (PC) k t n i thng qua ng giy c a thu bao t ng t c a m ng PSTN . M ng cung c p cc d ch v truy n s li u ; voip . c) M ng i n tho i di ng :

M ng ny ang pht tri n bng n t i vi t nam , t i 7 nh cung c d ch v , c i m c a m ng l cc thi t b u cu i thu bao c t di chuy n c v i t c cao . ng truy n trong m ng s d ng c ng truy n h u tuy n l n v tuy n - Do tnh c ng c a cc thi t b u cu i nh v y c ng lm cho

m ng tho i di ng c nh ng u i m v nh c i m nh t nh v i m ng tho i c nh PSTN nh : ch t l ng km h n cht t ( do s d ng c ng truy n v tuy n ) ; hay g p s c nh r t cu c g i , b tc ng c a nhi u nhi u h n ; nhi u qu trnh x l

ph c t p h n nh : gim st ; nh v ; chuy n giao ; i u khi n cng su t ... ; . B l i cc nh c i m th n c u i m nhu thi t b u cu i c th di ng v i t c cao c th tri n khai t cc n i c a hnh ph c t p , hi m tr m m ng PSTN ko th l t c ; ti n nghi , thu n ti n cho ng i s d ng ...N m 2009 khi m vi t nam ti n ln 3 G th cho php ng i s d ng c th d ng c nhi u d ch v b ng r ng truy n t i d li u t c cao h n ...

- D nhin th d ch v tho i v n ng vai tr ch o trong m ng ny ; ngoi ra th n c ng cho php truy n s li u . ==> chnh v v y th ph n t chuy n m ch ( t ng i ) c a m ng ny c ng gi ng nh ph n t chuyn m ch trong m ng PSTN nh ng n k h p v i cc ph n t c th c a m ng nh : Thanh ghi nh v th ng tr HLR ; thanh ghi nh v t m tr VLR ; b nh n th c ALU ...

3

8/2/2019 t_ng di E10MM

4/35

d)M ng truy n s li u : S d ng chuy n m ch gi try n s li u , do th i gian tr l n ( k g n v i th i gian th c ) ln ko c dng trong d ch v tho i ; s d ng giao th c X 25 ..

==> d nhin cc m ng trn c h tr k t n i v i nhau nh m ng i n tho i di ng c k t n i v i cc m ng PSTN ; m ng ISDN ; m PLMN ... nhung qu trnh ko th c s thng su t , ph i qua nhi u b chuy n i khc nhau t ng thch v i m ng c n k t n i ...

2) Nhng hn ch ca mng PSTN :

- C s h tng PSTN lm hn ch s pht trin dch v mi- S liu, thoi, v video khng th hi t trong mng PSTN v kiu thit k nh hin nkhng p ng c- PSTN khng linh hot truyn s liu- S phn cp cu trc mng PSTN cn ln- Cu trc mng PSTN khng cho php pht trin cc tnh nng mi

Trong mng PSTN th dch v c ci sn theo thit b ( bao gm phn cng vphn mm ) v d mi chng loi tng i ch cung cp 1 dch v nh trc

khc phc nhng nhc im ca mng PSTN, mun vy phi to ra tngi th h mi: tng i ch lm chc nng chuyn mch, cn chc nng iu khin ;qun l v cung cp dch v c tch ra c lp vi chc nng chuyn mch

==>Tm li : Vi mng vin thng hin ti c nhiu nhc im v quan trng l :

+) cc mng tn ti 1 cch ring r ln ch truyn c cc dch v c lp tng ngvi tng mng+) Thiu tnh mm do : khch hng ca tng mng kh c th s dng dch v camng khc khi c nhu cu+) Km hiu qu trong vic bo dng, vn hnh cng nh s dng ti nguyn. Tinguyn sn c trong mt mng khng th chia s cho cc mng khc cng s dng.V vy m mng NGN ra i quy t cc mng ring l vi nhau cngcung cp nhiu dch v trn 1 mng duy nht ; qun l n gin hn ; mm dhn ==> c th trin khai c mng NGN th cn phi thay th cc phn trong mng c bit l phn t chuyn mch ( tng i ) , va c th nngcao c dung lng ca mng PSTN ng thi lm nn tng xy dng c sh tng cho mng NGN th cc hng a ra gii php xy dng mng NGN

4

8/2/2019 t_ng di E10MM

5/35

ng thi cng nng cp tng i ca mnh ph hp vi mng th h mi trontng lai*) Mt trong nhng hng ra gii php th hng Alcatel cng a ra gii phnng cp tng i A1000E10 ang s dng trong hu ht trong mng thoi

vit nam nn tng i A1000E10MM dng trong mng NGN , VA1000E10MM c nng cp t A1000E10 nn khng c nhiu s thay i( thm vo cc b chuyn i chuyn mch ; cc khi iu khin ... )

Phn II :Gii php ca hng Alcatel ln mng NGN:

Alcatel a ra giai phap tong the gom 6 bc phat trien tmang vienthong hien tai tien ti mang NGN nh sau : Bc 1: (iem xuat phat) Mang PSTN cho thoai va quay soe truynhap Internet. Bc 2 : Cung co mang PSTN va hoi tu vi mang so lieu Bc 3 : Thoai tren cong nghe goi oi vi cac dch vung dai. Bc 4 : Thoai tren cong nghe goi oi vi cac dch vu tr

nhap noihat. Bc 5 : Cac dch vu a phng tien c trien khai. Bc 6 : Mang vien thong the he mi NGN hoat ong vay ucac tnh nang.

- Mot so giai phap c xem nh nhng bc trung gian manlai li ch cho

ca ngi dung va nha khai thac nhng chung cung ongvai tro la nhngbc khi au e dch chuyen he thong mang sang NGN nhCi tin chuyn mch knh ; Giai phap giam tai PSTN ; Giamtai PSTN thong qua truy nhap bang rong ; Truy nhap dch vu (Multi-service Access) ; Thoai qua ng day thuebao so toc o cao DSL (VoDSL).... ;Trong ng ch nht l gii

5

8/2/2019 t_ng di E10MM

6/35

php Ci tin chuyn mch knh , gii php ny nng cp t tng i E10 ln E10Mnhm tng dung lng h thng PSTN hin ti v l nn tng nng ln mng NGN

**) Cai tien chuyen mach kenh- y c coi l gii php kh thi v ang c p dng v n va cho php tin hnhkhai thc v tn dng c c s vt cht ca mng PSTN- Bc au tien, cac tong ai E-1000 co the c m rone hoat ongthi trong moi trng NGN chuyen mach goi c trnh baynh trong hnhsau. Nhng s m rong nay bao gom cac cong thoai qua go(VoPGW) kethp t ben ngoai- (cho giao thc IP hoac ATM) va ma tranchuyen mach

bang rong da tren goi. Viec kch hoat va bo kch hoat datren Web do thuebao ieu khien cung nh viec quan tr cac dch vu thoai tietien cung capcho thue bao o linh hoat ang ke, trong khi van giam cchi ph van hanhcua nha khai thac.

Trong bc tiep theo, tong ai E-1000 c phat trien e trthanh mot

6

8/2/2019 t_ng di E10MM

7/35

Tng i dng trong mng NGN ( tng i A1000E10MM hot ng nh motcong truy nhap do mot Softswitch ben ngoai ieu khien (tch

bit khi chuyn mch ra khi khi iu khin dch v ; khi iu khin chc nng vdch v ). Muc

tieu la thc hien chuyen dch mot cach nhp nhang va tothieu s ngng trekinh doanh cua cac nha khai thac.

Phn III :Tng i A1000E10MM ca hng Alcatel dngtrong mng th h mi NGN :

I) E10MM l h thng chuyn mch a dch v :- A1000MME10 (vit l E10 ) l 1 h thng tng i a dch v , n c th dng

1 dch v ring l nh dch v thoi hay truyn s liu , hnh nh hoc c th dncho 1 mng tch hp a dch v , cung cp nhiu dch v khc nhau ca 1 mng

- Vi tnh nng a dch v E10MM m ng 1 tng i mi v tr trn mngvin thng nh : t tng i thu bao dung lng nh , n tng i chuyn tiphay cng quc t dung lng ln

- E10 MM l 1 h thng c cu trc m vi phn mm v phn cng c lp , cckhi chc nng c phn bit r dng nh cc giao din chun ==> d dng ncp thch ng vi cc mng th h mi v mng thng minh ...

- Kin trc modul ca n cho php to cc dch v mi , nng cp dung lng mnh hng n hot ng hin ti ca mng

*) E10MM l h thng chuyn mch a dch v , n kt hp v cung cp nhiu chnng khc nhau : + thoi ni ht

+ dch v in thoi di ng+ dch v mng thng minh ( SSP)+ dch v th tr trc+chuyn mch quc t .....

7

8/2/2019 t_ng di E10MM

8/35

1)Cc dch v m tng i E10MM cung cp trong mng :

8

8/2/2019 t_ng di E10MM

9/35

1. Cc dch v m tng i E10MM c th cung Cung cp dch v thoi c nhPOST : cng ging nh E10 th E10MM vn ch yu duy tr dch v truyn thngny trn ton mng

2. Tch hp dch v k thut s ISDN : (BRA) . Tng i E10MM kt ni vi NT cung cp dch v ISDN p ng nhiu nhu cu ca khch hng nh : xem ti vi camera ; gim st ; thoi hnh ....

3. Kt ni internet tc cao ADSL : cung cp dch v internet cho khch hng vi cao: 14Mbit/s ng xung v 800 kbit/s dnh cho ng ln . y l ci khc

bit so vi E10 v tng i E10 th ko cung cp dch v internet m ch cho thung dy thu bao tng t , (dch v internet ko kt ni vi tng i )

4. Dch v radio ....

*) N cng c s dng lm tng i chuyn tip ; qu giang hay cc host ; tamden tng i ni ht ging nh tng i E10 hin ti , di y l m hnh v tri ca E10Mc s dng trong ton mng .

9

8/2/2019 t_ng di E10MM

10/35

2) Tng i E10MM trong mng in thoi di ng :Nh ta bit trong cu trc mng in thoi di ng gm c 3 thnh phn chnh : trdi ng MS ;h thng trm gc BSS v tng i di ng MSC , trong th MSC lc coi l trai tim ca mng ny . Tng i di ng MSC chnh l tng i E10MM s tr gip ca cc phn t c th HLR ; VLR v ALU ....

10

8/2/2019 t_ng di E10MM

11/35

- Trm di ng MS : gm 2 phn : modul nhn dng thu bao SIM v thit b thupht , bo hiu ME . thit b ny kt ni vi trm gc BTS bng giao din v tuyv lin quan n vn truy nhp

- H thng trm gc BSS :Gm trm gc BTS v tng i iu khin trm gc BS+ Trm thu pht gc BTS : bao gm cc thit b thu pht , anten , v x l tn hiu

c th cho giao din v tuyn , c th coi BTS nh l cc modul thu pht phc tpc thm 1 s chc nng khc+ iu khin trm gc BSC : c nhim v qun l tt c cc BTS thng qua cc ln

iu khin t xa ca BTS v MS . Cc ln ny ch yu l cc lnh n nh , gii ph, gii phng knh v tuyn v qun l chuyn giao . mt BSC thng qun l vi tr

BTS .- Trung tm chuyn mch h thng MSC : n s dng tng i E10MM lm nhim

v iu khin ; kt ni v qun l tt c cc thnh phn trong mng vi s tr gica cc b thanh ghi nh v thng tr HLR ; b thanh ghi nh v tm tr VLRcng nh b nhn thc ALU . Tng i MSC d nhin kt ni vi cc mng PS; PLMN ; ISDN ... cung cp cc dch v ngoi mng cho khch hng ca mv thoi c vi cc khch hng ca mng khc

11

8/2/2019 t_ng di E10MM

12/35

**)Ngoi ra E10 cn dng trong cc mng in thoi th h mi 2 ,5 G v 3G :Nhm cung cp cho khch hng nhng dch v tin tin ca di ng nh : xem truyhnh trc tuyn trn in thoi ; ti nhc ; truy cp internet trn in thoi...

in hnh nht th h 2,5 G nh mng ca GPRS trn hnh v , do GPRS i ln tGSM ln cu trc cng ging nh GSM nhng c thm cc phn t h tr nh GG; RCP ; SGSN ...

3 ) Kt ni vi tng i ni b PABX :-Ngoi ra i vi cc doanh nghip ,khi m s in thoi cn lp t vi s lng lth thun tin v tit kim tri ph , h c th lp t 1 tng i ni b dng chodoanh nghip (PABX )

- tng i E10MM kt ni vi tng i ni b PABX c th thng qua lung s E1hoc thng qua ng dy trung k CO ty thuc vo s my cn lp t ca doanhnghip

12

8/2/2019 t_ng di E10MM

13/35

II)Cu trc v chc nng ca tng i E10MMtrong mng

NGN :

1:M t v h thng tng i A1000MME10:- Hnh bn di l s m t hot ng ca tng i E10 MM trong mng NGN .Phi ni r rng v E10MM c nng cp t E10 trong PSTN dng trong mng

NGN , nn E10MM cng iu khin theo chng trnh lu ch SPC+ Access interface and management : b phn ny cho php E10MM giao tip vi mn

bn ngoi bng cc lung PCM hay SDH+ Swiching Network : trng chuyn mch ca E10MM : thc hin qu trnh kt ni

c yu cu+ Auxillary equipnent :thit b ph tr iu khin v bo hiu s 7 ; khi ny bao gm

Thit b ph tr ETA ( cung cp cc chc nng ph tr nh : to m bo ; thu pht hiu a tn ..) v qun l giao thc bo hiu s 7 ( PUPE )

+ Control function : thc hin cc qu trnh x l cuc gi ; dch thut ; dch v ; chuyi v cc chc nng khc

13

8/2/2019 t_ng di E10MM

14/35

+Management function :Qun l , iu hnh , iu khin v can thip ca con ngithng qua khi chc nng ny nh s h tr ca PC v cc phn mm , cc lnh iukhin t bn ngoi . Khi chc nng ny cho php con ngi c th xem tnh trng , hong cng nh cu hnh tng i+Communication Network : y chnh l h thng bus trong tng i thc hin chcnng giao tip mng gia cc khi chc nng ca tng i , cng nh giao tip , trao thng tin gia tng i v th gii bn ngoi ( thng qua b iu khin trung k s )+ Clock : ng h cung cp thi gian , xung nhp cho ton b tng i nhm mc chng b ha cho tng i v lung d liu .

2) M hnh h thng c th ca tng i E10MM :Phn trn trnh by tng qut s khi chc nng ca tng i E10MM , Nh ch

ta bit cc khi chc nng trong tng i c th c cu trc phn cng tng t nhacc cad ging nhau ) nhng chng thc hin cc chc nng khc nhau nh s dng cc

phn mm khc nhau . Phn ny chng ta s xem xt s khi c th khi cc khi c cu hnh , t chc vo modul phn mm

14

8/2/2019 t_ng di E10MM

15/35

S khi cu trc chc nng c th ca tng i khi cu hnh , t chc vo modulphn mm . trong

- )URM :Khi iu khin trung k PCM : URM cung cp chc nng giao tip gitng i vi cc lung PCM bn ngoi. Cc lung PCM ny c th n t tng v tinh , hay d liu ca cc mng khc ....

- HD :Cung cp chc nng giao tip gia tng i vi cc lung SDH ( em on l cc lung d liu tc cao v dung lng ln c tch ra t cc tuyn truydn quang )

- COM :Chnh l thc hin cc chc nng thit lp , gii phng u ni trong trchuyn mch , COM thc hin lnh nh cc lnh t trung tm iu khin cung c

- ETA :Khi qun l thit b ph tr : khi ny cung cp cc chc nng ph trnh :to m bo (tone) ; thu pht tn hiu a tn ; thoi hi ngh ....

- PUPE :Qun l giao thc bo hiu s 7- AN :Qun l giao thc V 5.2 bo hiu- MR :khi s l cuc gi MR . Cho php thit lp hoc hy b cc cuc gi ko IS(thu bao ni ht hay ng k bo hiu knh ring CAS )- CC : thit lp cuc gi cho cc cuc gi ISUP qu cnh , IN , hoc cc cuc gi dng .- GS : gip truy nhp vo cc dch v ( in thoi di ng hoc IN )

15

8/2/2019 t_ng di E10MM

16/35

- TR :c s d liu TR c chc nng qun l , lu tr v phn tch c s d liu cakhch hng . TR cung cp tnh trng ca khch hng cho khi thit lp cuc gi MR- TX :khi o lng v tnh cc : nhim v tnh cc cuc gi v cung cp thng lp ha n- MQ :khi phn phi bn tin . Thc hin chc nng nh dng v phn phi mt s

bn tin ni b nht nh- GX :Khi qun tr kt ni :qun l cc thit lp , x l cc u ni cng nh phnv- PC : khi qun l mng bo hiu s 7 v phng v cho PUPE- OM :c chc nng vn hnh v bo dng do phn mm OM thc hin- LAN : bus thng tin u ni cc khi chc nng bn trong tng i ;- BT :cung cp , phn phi thi gian cho cc tn hiu ng b ca mng- LR :ma trn lin kt ( 4 Mbit/s ) lin kt , truy nhp giao din v chc nng ph tcho cc RCH . LR c th coi nh l ng PCM ni )

3)Kin trc phn cng ca tng i E10MM :- phn trn m t v s khi chc nng ca tng i E10MM , v phn n

s i vo m t phn cng ca tng i E10MM .

16

8/2/2019 t_ng di E10MM

17/35

Hnh v chnh l m t chi tit phn cng ca tng i E10MM , trong + LAN : l bus ca h thng tng i ( trong E10 n tng ng vi mch vng thng MAS )+ RCH : l khi chuyn mch tc cao ( n chnh l trng chuyn mch trongE10MM )+ SM : Trm iu khin a x l ( thc cht l khi x l ca cc khi chc nng trontng i . Nu so snh vi bn E10 th n chnh l cc b x l trong cc khi SMA SMC ; SMT ... )+ STS : l b ng b thi gian , cung cp thi gian c s cho h thng . Trong m tchc nng h thng trn th STS chnh l khi chc nng BT+ GLR : ng mng , cha 8 ng LR .+ LAH : cng ging nh GLR nhng cha 64 ng LR .+ SDH TU :Kt cui SDH+ TDM TU : kt cui PCM .

--) Cc phn tip theo s ni c th t khi chc nng phn cng :Hai loi trm iu khin (SM) c s dng trong E10MM l :+) Trm iu khin SM dng chung (SMB )+) Trm iu khin SM dnh ring ( SMT ;SMM)--) cc b iu khin c th dng chung nhng chng thc hin cc chc nng khc nhv c quy nh bi phn mm tng ng vi mi chc nng ca n .--) cng ngh cc trm iu khin : gm b x l rt mnh ; b nh ; v bus kt ni , vi trm x l no cng vy

*) sau y l mt vi loi trm x l SMB vi nhng chc nng ca n :

Trong :- )SMB_C : c chc nng iu khin- ) SMB_A : c chc nng ph tr- ) SMB_T : chc nng iu khin kt cui SDH- ) SMB_X :chc nng iu khin ma trn chuyn mch .- )SMB_CAXT : c y cc chc nng : iu khin ; chc nng ph tr ; chc

nng iu khin trung k s ; chc nng iu khin ma trn chuyn mch nhngc s dng trong cu hnh nh ( bng di m t cc loi trm x l SMB vchc nng ca n )

17

8/2/2019 t_ng di E10MM

18/35

**) sau u l phn cng kin trc ca h thng xut hin trn giao din ca nh cc nhiu hnh :

-)LAN :Bus h thng-)RCH :chuyn mch tc cao.-)SMB:khi iu khin a x l dng chung

+)SMB_A : SMB ph tr chc nng+)SMB_C :SMB chc nng kim sot+)SMB_T :SMB iu khin kt cui SDH+)SMB_X :SMB iu khin ma trn chuyn mch

-)SMM :bo tr trm kim sot

-)SMT : iu khin trung k .-)STS : khi ng b thi gian v cp ng h cho h thng

(Hnh v bn di)

18

8/2/2019 t_ng di E10MM

19/35

- ch l trm iu khin a x l SMB_XT giao tip vi kt cui (SDH) hay giaotip vi trng chuyn mch (RCH) bng cc tuyn cp ring , tuyn cp ny cha cthng tin iu khin bus v c m t bng on nt t nh trn hnh v .cc bus nc gi l control BUS ICL/ISL .

- Mt iu na l :ci ng EXTERNAL LAN l ng bus kt ni gia SMB_A vcc my ch c tc 10Mbit/s . V h thng bus LAN c th gm 2 , 4 hay 8 mchvng thng tin vi tc 16Mbit/s .==> Trn y em m t cu trc tng quang phn cng ca tng i E10MM

Tm li : E10MM cng c cu hnh tng i ging E10 c cc khi nh :+)trng chuyn mch tc cao (RCH) c trm iu khin SMB_X .

+) khi trung k s SDH-TU v TDM-TU ng vi URM bn E10 v c iu khintng ng vi cc trm SMB_XT v SMT . SDH-TU chnh l khi HD phn m t hthng , n thc hin giao tip trung k vi lung d liu tc cao SDH c tch ra tcc tuyn truyn dn quang vi trng chuyn mch RCH . Cn TDM-TU l khi URn thc hin giao tip cc lung PCM vi trng chuyn mch RCH ; y l iu kh

bit cuar E10MM vi E10 bi ngoi x l cc lung PCM nh th E10MM x l c clung d liu s tc cao SDH c tch ra t cc tuyn truyn dn quang , d liu

19

8/2/2019 t_ng di E10MM

20/35

cc tuyn SDH ny c th l bng rng hay bng hp ==> nhm cung cp cc dch vbng rng v a dch v trong mng NGN . V d nhin b TDM-TU ch yu dng trothoi , tn hiu t trung k ny a vo trng chuyn mch RCH v n qua b chuyni t PCM sang cc t bo ATM ( v RCH dng ATM) thc hin vic chuyn mc

bng ATM .( ch ny em ngh th )+)Khi ph tr SMB_A ; ng vi khi SMA bn E10+) SMM : khi bo tr , sa cha v kim sot+)SMB_C : khi iu khin , ng vi SMC bn E10+) STS : khi ng b-) cc khi c th c cu hnh ging nhau v phn cng ( hay c cc trm iu khin xl ging nhau ) , song li c quyt nh bi phn mm iu khin thc hin chcnng ca mnh ,

5) Chc nng phn mm ca ca tng i E10MM- Phn ny s trnh by s lc cc chc nng phn mm dng trong cc khi ch

nang phn cng ca h thng , Nh chung ta bit thc hin c cc chcnng ca mnh th h thng phn cng phi s dng cc phn mm ph v cho cchc nng m nhim ca n . Cng 1 cu trc phn cng c th cu t nhiu phmm v sau y l cu hinh y ca h thng

a) Khi TDM TU : +)s dng phn mm URM+)c iu khin bi SMT

+)l khi giao tip trung k PCM vi trng c/m RCH+)cu hnh :SMTA /URMA ; SMTB/URMB . c ti a 32 thc hin chc nng ny (hnh v)

20

8/2/2019 t_ng di E10MM

21/35

b)khi SDH TU :+)s dng phn mm URM HD+)c iu khiern bi SMB_T+)l khi giao tip trung k SDH vi trng chuyn mch RCH+)cu hnh :SMB_T/URMA HDA ; SMB_T/URMB HDB

cng c ti a 32 i thc hin chc nng ny

21

8/2/2019 t_ng di E10MM

22/35

c)khi RCH TU :+)s dng phn mm COM+)c iu khin bi SMB_X+)l khi chuyn mch tc cao+)cu hnh :SMB_X/COMA (RCHA- TU) ; SMB_X/COMB

(RCHB- TU) v c ti a 16 i thc hin chc nng ny.

22

8/2/2019 t_ng di E10MM

23/35

d)khi ETA : +) s dng phn mm ETA+)c iu khin bi SMB_A+)khi qun l cc thit b ph tr

+)cu hnh :SMB_A /ETA1 ;SMB_A/ETA2 ... SMB_A /ETAn,, vi nbng 31 ( hnh v)

e)khi AN : +)s dng phn mm AN+)c iu khin cng bi SMB_A+)qun l giao thc V 5.2 bo hiu+)cu hnh : SMB_A /ANA ;SMB_A /ANB , ti a 16 i ca trm th

hin chc nng ny

23

8/2/2019 t_ng di E10MM

24/35

f)khi PUPE : +) s dng phn mm PUPE+)c iu khin bi SMB_A+)qun l giao thc bo hiu s 7+)cu hnh : SMB_A /PUPE1 ;SMB_A /PUPE2 ; ...SMB_A /PUPEn

c ti a 15 trm cha chc nng ny

g)cc khi MR ; CC ; GS : +)s dng phn mm tng ng+)c iu khin bi SMB_C+)l cc khi : x l cuc gi MR ; thit lp cc cuc g

ISUP qu cnh , hay di ng ; truy nhp vo cc dch v .+) cu hnh :SMB_C /MR1 CC1 GS1 ; ...v c ti a

trm cha cc chc nng ny .

24

8/2/2019 t_ng di E10MM

25/35

i)khi TR :+) s dng phn mm TR

+)c iu khin bi SMB_C+)l khi c s d liu c chc nng qun l v phn tch cc trng thica khch hng

+)cu hnh : SMB_C /TR1 ; SMB_C/ /TR2 .

j)khi TX :+)s dng phn mm TX+)c iu khin bi SMB_C+)l khi o lng , tnh cc . thc hin vic tnh cc v cp thng tin

ha n cho O$M+)cu hnh : SMB_C /TX1 ; SMB_C /TX2

25

8/2/2019 t_ng di E10MM

26/35

m) khi MQ; GX ;PC :+) s dng phn mm tng ng MQ ;GX;PC+)c iu khin bi SMB_C+)l cc khi : phn phi bn tin ; qun tr kt ni ; qun l

mng bo hiu s 7 v phng v cho PUPE+)cu hnh: SMB_C / MQ1 GX1 PCA ; SMB_C / MQ2

GX2 PCB .

n)khi OM :+)s dng phn mm OC+)c iu khin bi SMM+)l khi vn hnh v bo dng+) cu hnh :SMMA / OCA (OM) ; SMMB / OCB (OM)

26

8/2/2019 t_ng di E10MM

27/35

trn y trinh by cu trc phn mm ca h thng E10MM , hnh d

y miu ta c cu trc phn cng v cu trc phn mm trn 1 hnh v Ch cc ch mu l cc cu trc phn mm v trn l cu trc phncng ca n .

27

8/2/2019 t_ng di E10MM

28/35

5)Khung cu trc v trng chuyn mch tc cao RCH : phn trc cho ta ci nhn c th v cu trc phn cng cng nh cu trc phn mmng vi n , cho ta bit cc khi thc hin chc nng j v s dng phn mm no thhin . Do thi gian ko cho php ln phn ny em ch trnh by ch yu v trng chuy

mch tc cao RCH v y l b phn quan trng v khc c bn nht ca E10MM vE105.1 )kt ni trng chuyn mch RCH vi SDH- TU v TDM TU :

-)Giao tip gia trung k v RCH c th hin bi hnh v :

+) ta thy trung k SDH giao tip vi RCH bi ng LAH ( cha 64 ng LR ) ; vtrung k TDM giao tip vi RCH bi ng GLR ( cha 8 ng LR) , ( LR l ngPCM ni b ) .+) y RCH c cu hnh bi 2 trm :RCHA v RCGB v c iu khin biSMB_XA v SMB_XB , ng nt t l truyn dn quang+) Trung k c giao tip vi cc mng ngoi nh PSTN ; ISDN ; IN; SS7 .... v trnhnh v cng cho thy s giao tip ca RCH vi b SMB_A thng qua ng GLR

a)Giao tip trung k SDH TU vi RCH .:-)trung k SDH TU giao tip vi RCHA v RCHB bng ng LAH ;-) trung k SDH TU c iu khin bi SMB_T (A) v SMB_T(B)-) trung k SDH TU giao tip vi c mng ngoi bng ng SDH ( STM1 ; STM4hay STM 16 ..)

28

8/2/2019 t_ng di E10MM

29/35

b) giao tip trung k TDM TU vi RCH :

-)Trung k TDM TU giao tip vi RCHA v RCHB bng ng GLR

29

8/2/2019 t_ng di E10MM

30/35

-) trung k TDM TU giao tip vi mng ngoi bng cc ng PCM ( truyn dn c ko phi l quang )-) v c iu khin bi 2 trm iu khin SMT(A) v SMT(B) .

5.2 ) trng chuyn mch tc cao RCH :-) Nh bit tng i E10MM c nng cp t mng E10 nhm nng cao dung lnv s dung trong mng NGN, Mt mng m quy t ton b cc mng ring l v ngthi cung cp a dch v cho ngi s dng . c th cung cp a dch v cho khchhng nh : thoi , thoi hnh , video , hnh nh , internet ... th chuyn mch knh (c thl chuyn mch thi gian iu khin u ra ) nh tng i E10 l ko thch hp . c yu cu v mc ch ca mnh th E10MM s dng hon ton chuyn mch ATM-) d liu t trung k SDH TU hay trung k TDM TU c a vo RCH ( trngchuyn mch tc cao ) n s c a vo b bin i t cc TS sang cc t bo AT

+) Nh hnh v ta c u vo ca RCH l cc ng LR (PCM ni b ) hay cc LRH( l ng cha 8 ng GLRs hay cha 64 ng LRs) . Hiu mt cch n gin llung d liu u vo l cc lung PCM ni b (LR) ca TDM- TU v cc lung LRH

( 1 nhm cc lung LR) ca SDH Tu .+) qua b chuyn i th cc TS c chuyn thnh cc t bo ATM v c a vo trn chuyn mch t bo ATM ( ATM matrix Cell switching ) thc hin qu trnh a ch , nh tuyn cho cc t bo ATM n ch .

30

8/2/2019 t_ng di E10MM

31/35

- ) mt t bo ATM gm 53 bytes , trong c 5 bytes mo u cha a ch , vcn li 48 bytes bn tin . trong 48 bytes bn tin th c 40 bytes bn tin , 1 bytesthch ng (AAL1) v 7 bytes bo v

-)Sau y l b chuyn i v ma trn chuyn mch t bo ATM c th :

+)u vo b chuyn i RCTCA2 l 128 LR v u ra l 1AEI tc 622Mb/s . Vtip tc a 16 ng AEI tc 622Mb/s vo 16 cng ca ma trn chuyn mch t b

ATM ( BBASE ) v thc hin chuyn mch 128 . 622Mbit/s , tng ng vi tc chuyn mch 80Gbit/s .

31

8/2/2019 t_ng di E10MM

32/35

+) trong mi BBASE c 16 cng+) 128 LR trn mi RCTCA2+) dung lng l 2048LR

-) vi 16 BBASE ta s c s : nh hnh v+) mi u vo b chuyn i RCTCA2 c 128 LR , c 8 RCTCA2 v 16 BBASE lndung lng s l : 128 LR . 8 RCTCA2 . 16 BBASE = 16384 LR

32

8/2/2019 t_ng di E10MM

33/35

*) ch :-)Ma trn gm :+)BBASE2

+)BASEE2

-)B chuyn i TS sang ATM :+)RCTCA2+) RAGLR2 : 1AEL hoc 16 GLR ( 128 LR )+)RALALR :1AEL hoc 8 GLR +1 LAH = 128 LR+)RALAH : 1AEL hoc 2 LAH (128LR)

**) S ghp ni d liu vo trng chuyn mch tc cao RCH : (hnh v )-)qua hnh v ta thy c 2 cu hnh RCHA v RCHB .Cc lung d liu PCM qua b khin trung k SMT vo cc b chuyn i RAGLR2 ;RALALR bng ng GLR (m

), qua b chuyn i ny th cc khe thi gian TS c chuyn i thnh cc t boATM v c a vo ma trn chuyn mch t bo BASEE2 bng ng AEL( ngnt t )-)Vi cc lung d liu SDH qua b SDH- ETUs c a vo b chuyn iRALALR v RALAH bng ng LAH ( nt t mu xanh ) , sau cc b chuyn i nl cc t bo ATM v c a vo ma trn chuyn mch t bo (ATM) BASEE2 , chng thc hin qu trnh chuyn mch theo yu cu kt ni

33

8/2/2019 t_ng di E10MM

34/35

==> trn y trnh by s lc v trng chuyn mch tc cao RCH vi cc chnh : Ko ging nh E10 th E10MM s dng chuyn mch ATM trong trng chuymch tc cao , Cc lung d liu t trung k ( bao gm c cc lung PCM v cc

lung SDH) c a vo b chuyn i ( RAGLR2 ; RALALR ; RCTCA2 ) bng cng GLR hay LAH tng ng . trong b chuyn i thc hin qu trnh chuyn ckhe thi gian TS thnh cc t bo ATM c kch thc xc nh ( 53 bytes) , Sau cc

bo c a vo cc ma trn chuyn mch BASEE2 thc hin qu trnh chuynmch , kt ni theo yu cu .(Em ch hiu c vy thi .)

__________________________________________________________________

6) kt lun :Bi thit k mn hc vi ni dung tm hiu cu to v chc nng

ca 1 tng i dng trong mng NGN s b nu ra c nhng im sau-) tng quan v mng vin thng vit nam v nhng hn ch ca n-) tng quan v mng NGN , gii php ca hng Alcatel xut nng cp h thngtng i ca mng hin ti thch ng vi mng th h mi NGN , c th l nng cpt tng i E10 ln tng i E10MM

34

8/2/2019 t_ng di E10MM

35/35

-) ton cnh v E10MM , cc dch v cng nh v tr ca E10 MM c th s dng tronmng vin thng-) M t v cu trc h thng E10MM-) m t v cu trc hot ng ca E10MM-) kin trc phn cng ca tng i E10MM-) kin trc phn mm ca tng i E10MM-) v c bit i xu vo 2 vn khc bit ln gia E10MM vi E10 l trngchuyn mch tc cao RCH v b trung k SDH TU ; TDM TU==> Qua bi thit k mn hc gip em cp nht v nng cp cho mnh nhng cngngh mi ang c trin khai Vit Nam . Bi thit k c nhiu thiu st rt mong thv cc bn b xung v chnh sa nhm gip em hon thin hn .

Sinh vin : phm xun Dng

Lp : K thut vin thng _b_