modul7-gprsoperation-131010062448-phpapp02.ppt

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GSM-GPRS Operation

GPRS Procedures And

Operations

Modul 7


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2

Agenda

1. Introduction to GPRS

Apakah itu GPRS ? Pengkodean di GPRS Kelas-kelas MS pada GPRS Aplikasi-aplikasi GPRS

2. agai!ana GPRS "eker#a?$. Karakteristik GPRS

%. Aplikasi-Aplikasi GPRS

&. Keter"atasan GPRS

'. Arsitektur GPRS(. )ungsi *le!en

kris.su#at!oko+g!ail.co!


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$

MSC

LocalAreaNetwork

Server

Router

Corporate 1

LocalAreaNetwork

Server

Router

Corporate 2

GPRSINFRASTRCTR!

"orderGatewa#$"G%

Serv&ngGPRSSupportNode$SGSN%

'LR(AuC!IR

"SC

"T

S

)

SMSC

F&rewall

F&rewall

Gatewa#GPRSSupport Node$GGSN%

GPRS Log&cal Arc*&tecture

Legal Intercept&onGatewa# $LIG%

F&rewall

Inter+PLMNnetwork

,atanetwork$Internet%

,atanetwork$Internet

%

PSTNNetwork

SS7Network

GPRS-ack-onenetwork

$IP -a.ed%

"&ll&ng S#.te)

C*arg&ngGatewa# $CG%

,o)a&n Na)eServer $,NS%



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%

Log&cal arc*&tecture/ Inter0ace.

other P,M

MS/0,R ,R

*IR

SGS

GGS

GGS

SGS

P 3*

SMS-GMSSMS-I4MS

MS SSGiGn

Gn Gp

G"

Gd

5!

GcGrGs

G6

*

A

Signalling 7ata 3rans6er

Signalling



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&

Funct&onal v&ew o0 GPRS

Localareanetwork

Server

Router

Localareanetwork

Server

Router

Corporate 2

Corporate 1

Intra+PLMN-ack-onenetwork$IP -a.ed%

Serv&ng GPRSSupport Node$SGSN%

Po&nt+To+Mult&po&ntServ&ceCenter

$PTM SC%

Gatewa# GPRSSupport Node$GGSN%

GPRSINFRASTRCTR!

'LR(AuC

MSC

"SC"TS

Packetnetwork

PSTN

Packetnetwork

SS7Network

Packetnetwork

,atanetwork$Internet%

Packetnetwork

,atanetwork$23%

Packetnetwork

Inter+PLMN"ack-onenetwork

"orderGatewa# $"G%

G-

Gr Gd

G&IP

G&23

F&rewall

F&rewall

F&rewall

)

R(S

SMS+GMSC

Gr Gd

G.

G.

Gp

Gn

Gn

!IR

MAP+F

SGS 8 Ser9ing GPRS Support odeGGS 8 Gate:a; GPRS Support odeMS 8 et:ork Manage!ent S;ste!G 8 order Gate:a;G 8 harging Gate:a;)4 8 )ire:all,IG 8 ,egal Interception Gate:a;



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'

GPRS network .een -# an ot*er data network

L o c a l

a re a

n e tw o r k

R o u t e rC o r p o r a te 2

L o c a l

a re a

n e tw o rk

R o u t e r

C o r p o r a t e 1P a c k e t

n e tw o r k

D a ta

n e tw o r k

(In t e r n e t)

G P R S

S U B N E T W R !

S U B N E T W R !

1 " " #2 2 2 #$ $ #% % %

S U B N E T W R !

1 $ 1 #& & #1 " #% % %S U B N E T W R !

1 ' 1 #2 #& & #% % %

S T

1 ' 1 #2 #& & # 2 1

S T

1 $ 1 #& & #1 " #$

S T

1 " " #2 2 2 #$ $ #" "

* R o u te r *



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(

,ata tran.0er

Localareane work

Server

Rou er

SGSN

GGSN

IP

R4T!R

"SC"TS

GPRS-ack-onene work$IP -a.ed%

SGSN

GGSN

IPR4T!R

"SC "TS

GPRS-ack-onene work$IP -a.ed%

Packet

network

In er+opera or

-ack-onene work

Packene work

,a ane work$In erne %

Corpora e

'4M! GPRSN!T54R6

ISIT!,GPRSN!T54R6

case 1

case 2

case $



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T*e )ean -&t ratethroughputB is !easured at the Gi

and R re6erence points in units o6 octet. per *our. Itspeci6ies the a9erage rate at :hich data is eFpected to"e trans6erred across the GPRS net:ork during there!aining li6eti!e o6 an acti9ated PP conteFt. 3henet:ork !a; li!it the su"scri"er to the negotiated !ean

"it rate 6or eFa!ple@ 6or 6lat rate chargingB@ e9en i6additional trans!ission capacit; is a9aila"le.


C l &


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&1

Conclu.&on

1. 3he !essages that are sent "et:een 9ariousco!ponents o6 the GPRS net:ork are collecti9el;re6erred to as GPRS tra00&c. 3o !anage this tra66icin an orderl; !anner@ one needs a set o6 tra00&c)anage)ent procedure..

2. Procedures that handle !o"ilit; o6 user are calledGPRS Mo-&l&t# Manage)ent $GMM%. Proceduresthat handle the user connection to the eFternalnet:orks are called Se..&on Manage)ent $SM%.

$. 3here are t:o phases in connecting a GPRS

ter!inal to the net:orkC onnection to the GPRSSGSB net:ork or GPRS attach onnection to the eFternal net:orkC PP conte!t act"#at"on



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&2

%. A routing area is de6ined as one or !ore

cells :ith a !aFi!u! sie o6 one locationarea that is used 6or paging GPRSsu"scri"ers. An SGS can ha9e a nu!"ero6 RA associated :ith it.

&. An MS can ha9eC Stat"c $P addre%%C the user al:a;s has the sa!e

IP address@ or &na'"c $P addre%%C the net:ork allocates the

user a di66erent IP address 6or each session.



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&$

'. In$d(e state the MS is not attached to the GPRS.

o in6or!ation a"out the su"scri"er is kno:n.(. A MS is in Read&state and in the acti9e phase

:hen it is trans!itting or has #ust "een trans!itting.


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&%

1>. 4hen the MS changes cell "et:een the di66erent routing areas@ it

per6or!s a rout"n) area update.11. 3he GPRS core net:ork uses pri9ate@ unregistered IP

addresses. 3he GGS !aps or translatesB the pri9ateaddresses into one or !oreB registered pu"lic IP addresses andport pairs. 3he MS uses one o6 the pu"lic IP addresses.

12. GGS and SGS generate Rs. 3he Rs are trans6erred tothe charging gate:a;. 3he charging gate:a; inter6aces to theilling entre.

1$. GPRS has inherited the GSM Phase 2 securit; 6eatures.Additional GPRS speci6ic securit; 6eatures are i!ple!entedC

pri9ate IP addressing in the GPRS "ack"one@ ciphered links andauthentication "et:een nodes in the GPRS "ack"one@ screeningo6 packets co!ing@ etc.


GSM GPRS Operation


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GSM-GPRS Operation

"nd of Section #

GPRS Procedures And

Dperations

Documents

modul7-gprsoperation-131010062448-phpapp02.ppt