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7/30/2019 kin trc GSM & GPRS
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7/30/2019 kin trc GSM & GPRS
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Ni dung
Qu trnh pht trin thng tin di ng
Kin trc GSM
Kin trc GPRS
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NMT
TACS
AMPS
GSM
TDMA
(IS-136)
cdmaOne
(IS95-A)
CDPD
PDC/
PDC-P
GSM+
GPRS
TDMA
IS136+GPRS
EDGE/GPRS
CDMA
(IS95-B)
WCDMA/HSPA
TD-SCDMA
WCDMA/TDD
WCDMA/FDD
ETSI UMTS/W-CDMA
EDGE tng cng/GPRS
cdma20003x(5MHz)
cdma20001x(1,25MHz)
cdma20001xEV-DO
cdma20001xEV-DV
ARIB WCDMA (Nht)
1985 1989 1995 2001 2003 2004+
1G 2G 2,5G
3G
L trnh tin ha cc h thng TTD
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AMPS : Advanced Mobile Phone Service
TACS : Total Access Communication SystemNMT : Nodic Mobile Telephone
PDC : Personal Digital Cellular: H thng t ong s c nhn.PDC-P : PDC-Packet
GSM : Global System for Mobile Telecommunications
CDPD : Cellular Digital Packet Data
GPRS : General Radio Packet Service
EDGE : Enhanced Data Rate for GSM Evolution
WCDMA : Wideband Code Division Multiple Access
HSPA : High Speed Paket Access
UMTS : Universal Mobile Telecommunications System
cdma20001xEV-DO : cdma20001xEvolution-Data Only (Optimized)
cdma20001xEV-DV : cdma20001xEvolution-Data and Voice
FDD : Frequency Division Duplex
TDD : Time Division Duplex
L trnh tin ha cc h thng TTD
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H thng TTD c coi l 3G nu p ng cc
yu cuca ITU:Hotngtrongphtncnnh cho cc dchv 3G
Cung cp cc dch v s liu mi cho ngi s dng (gm a
phngtin,clpvicng ngh giao din v tuyn)
Htrtruyndnsliu: (1) 144 kbps cho ngisdngdi ng
tc cao; (2) ln n 2Mbps (t nhtl l thuyt) cho ngis
dngcnhhoc di ngtcthp
Cung cpdchvsliu gi (khng da trn ktniCS nmng
sliu gi bm sinh)
mbo tnh clpgiamngli v giao din v tuyn.
H thng 3G
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Kin trc GSM
2
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Kin trc GSM
IMSI :International Mobile Station Identity TMSI :Temporary Mobile Station Identity
LAI : Location Area Identity BSS : Base Station Subsystem
BTS : Base Transceiver Station BSC : Base Station Controller
MSC : Mobile Switching Center GMSC : Gateway MSC
HLR : Home Location Register VLR :Vvisitor Location Register
AuC : Authentication Center EIR :Equipment Identity Register
SIM
ME
BTS
BTS
BSC
BTS
BTS
BSC
BSS
BSS
VLR HLR AuC EIR
MSC
Mng bohiu s 7
SMS-GMSC
PTSN
ISDNCSPDN
PSPDN
SS
Trm di ng(MS)
H thng con trm gc(BSS)
H thng con chuyn mch(SS)
Um Abis A
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Khi chc nng GSM
SIM l mtthitb an ninh chattc cc thng tin cnthit v gii thutnhn thc thu bao cho mng. Mun
vy,SIMcha CPU v ba kiunh: (1) ROMchahiu
hnh, chngtrnh cho ngdngGSM v cc giithutanninh A3 v A8; (2) RAMphcvthchin ccgiithutv
nhm cho truyndnsliu; (3) EEPROMchasliu
nhycmnhKi (kha bmt),snhndng thu bao ding IMSI, s quay, bn tin ngn, thng tin vmng,
thng tin v thu bao nhsnhndng thu bao tm thi
TMSI, nhndngvng nhv LAI.
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BSS baogmmtsBTS v BSC.
BTSiukhinlulngv tuyngia MS v chnh n
thng qua giao din v tuyn Um.
SScha MSCthchinttc cc ngdngcnthit
nh tuyn cucgi n hoc t ngis dng v mng
inthai khc nh: ISDN, PSTN.
HLRchattc cc thng tin vthu bao trong vng ca
GMSC.
VLRcha cc chi tittmthivMS lm khch ti MSC
hinthi v cngcha TMSI.
Khi chc nng GSM
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Khi chc nng GSM
AuC c t ti HLR l mt trong nhng ni pht i
thng san ninh quan trngnht,mbomi thng s
cn thit cho nhn thc v mtm ha gia MS v BTS.
TMSI cho php ngnngalytrm thng tin vti nguyn
hp php v theo di v trcangisdng.
EIR ghi linhndngsmy ca MEnhm chngmt
cp my. Ni mtcch khc EIR chasseri my cami
MS v nhdusmy bmthocbncp m hthng
skhng cho php
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Cuc gi t PSTN n MS khch
(STP)
(SCP)
PSTNPLMN
(SSP)(SSP)BSSMS
PLMN(Home)(Visitor)
(STP)
HLR
GMSC
(SSP)
VMSC
VLR
IAM
6
2
Where is the subscriber?
5Routing Info
3Provide Roaming
4
SCP
1
IAM
514 581 ...
ISUPMAP/ IS41 (over TCAP)
Signalingover SS7
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Kin trc GPRS
3
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EIRMSC/
VLR
SMS-GMSC
SMS-IWMSC
HLR/
AuC
MT BSS SGSN GGSNInternet
SGSN
Um Gb
Gf Gs Gd Gr Gc
GiGn
Gp
Mng li
TE
Kin trc GPRS
GPRS s dng limng truy nhp v tuyn ca GSM truyn s liu gi bng cchghpnhiu khe thi gian vo mt knh truyn
TE :Terminal Equipment Thit b u cui
MT : Mobile Equipment Thit b di ng
SGSN : Serving GPRS Support Node Nt h tr GPRS phc v
GGSN : Gateway GPRS Support Node Nt h tr GPRS cng
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MSgm TE (PCcm tay) v MT. Ty vo khnngcamng
c thhotngtrong ba ch.
Ch A: Cho php MSxlngthic CS v PS.
Ch B: Cho php MSxlhocch PShocch
CSnhngkhng ngthi. Khi MS pht gi, nuktni
CS th PStngctvo ch cheo.
Ch C: Cho php MS thchinmi lnmtdchv.
Nu MSchhtrlulngPS (GPRS) th n hotng
ch C.
Khi chc nng GPRS
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Khi chc nng GPRS
BSS: BTSxlclulngCS v PS. N chuynsliu PSn SGSN v CS n MSC. Ngoi cc tnh nng ca GSM,
HLR cngc dng xc nh: (i) thu bao GPRS c a
chIP tnh hay ng; (ii) im truy nhp no c dng ni
nmng ngoi. Vi GPRS, cc thng tin v thu bao c
trao igia HLR vi SGSN.SGSN: NuthtrGPRSphcv,xllulnggi IP n,
mbonhtuyn gi nhn vgi.
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Khi chc nng GPRS
3G-UMTS:c xy dngtheo ba pht hnh chnh, cgi l R3, R4, R5. Trong mngli R3 v R4 baogm hai
min: min CS v min PS. Vickthp ny ph hp cho
giai on u khi PS cha png tt dch v thi gian
thcnhthoi v hnh nh. Khi ny, min CSsmnhim
cc dcv thoi, cn s liuc truyn trn min PS. R4
phttrinhn R3 chmin CSchuyn sang chuynmch
mm v th ton bmng truyn tigia cc nt chuyn
mch u trn IP. Mng truy nhp ca UMTS c th l
TDMA hoc CDMA.
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SS7
BTS
BSCMSC
VLR
HLRAuC
GMSC
BSS
PSTN
NSS
AE
CD
PSTNAbis
B
H
MS
BSS Base Station System
BTS Base Transceiver Station
BSC Base Station Controller
NSS Network Sub-System
MSC Mobile-service Switching Controller
VLR Visitor Location Register
HLR Home Location Register
AuC Authentication Server
GMSC Gateway MSC
2.5G Architectural Detail
SGSN Serving GPRS Support Node
GGSN Gateway GPRS Support Node
GPRS General Packet Radio Service
IP
2G+ MS (voice & data)
PSDNGi
SGSN
Gr
Gb
Gs
GGSN
Gc
Gn
2G MS (voice only)
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4
IMT 2000 Vi i I l d
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IMT-2000 Vision IncludesLAN, WAN and Satellite Services
Satellite
MacrocellMicrocell
Urban In-Building
Picocell
Global
Suburban
Basic Terminal
PDA TerminalAudio/Visual Terminal
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BTS Base Transceiver Station
BSC Base Station Controller
Typical 2G Architecture
MSC Mobile Switching Center
VLR Visitor Location Register
HLR Home Location Register
BTS
BSCMSC/VLR
HLRBSC
GMSC
CO
BSC
BSC
MSC/VLR
COPSTN
PLMN
CO
Tandem Tandem
SMS-SC
PSDN
N t k Pl
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Network Planes
Like PSTN, 2G mobile networks have one plane for voice
circuits and another plane for signaling Some elements reside only in the signaling plane
HLR, VLR, SMS Center,
Transport Plane (Voice)
Signaling Plane (SS7)MSC
HLR
MSCVLRMSC
SMS-SC
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GSM Evolution for Data Access
1997 2000 2003 2003+
GSM
GPRS
EDGE
UMTS
9.6 kbps
115 kbps
384 kbps
2 Mbps
GSM evolution 3G