Equipements Réseaux

Présentation

Architecture UMTS

UMTSRNC

UMTSBS

UMTSBS

GSMBTS

GSMBTS

Abis

AbisGSMBSC

GSMBTS

GSMBTS

Iu

A

A

Gb

Sous-système radio Sous-système réseau

Terminal

GSM/GPRS

Terminal

GSM

Map

ISUP

Gn

TerminalUMTS

3G MSC

2G SGSN

Camel

HLR

GGSN

Intranet

Internet

Node B

BTS

BTS

RNIS

plate-forme RI

GSMBSC

3G SGSN

2G MSC

ISUP

Gn

Gi

UMTSRNC

Iur

Solutions SDSL

G.SHDSL

CPENode BUMTS

RNC

ATM1920 kbit/sI.432.3

NTU tronc

STM-1 STM-1

RNCNOKIA

VP ATM Classe of service CBR

DSLAMNRA

CPE Type SDSL

Node BUMTS

ATM1920 kbit/s

STM-1

I.432.3

NTU tronc

STM-1 STM-1

Support Opérateur

Site Client BSite Client A

CN2

Transfix 2048

I.432.3 CPE

Type CN2

G703

G703

VP ATM Classe of service CBR

G.SHDSL DSLAMNRA

CPE Type SDSL

Node BUMTS

ATM

1920 kbit/s

STM-1

I.432.3

NTU tronc

STM-1 STM-1

Support OpérateurSite Client B

Site Client A

CN2

Transfix 2048

I.432.3

CPE Type CN2

G703

G703

SWITCH ATM

NNE

NNE

Solutions UMTS Orange France

Node B identification

RNC

NodeB

NodeB

NodeB

ATM SWITCH

E1 capture

STM-1 capture

Multiplexing of Iub physical links

UMTS Architecture

Cigale Iub

Cigale Iu

MSC

Iu CS

Iu PS

Iu CS

Iu PS

Gn

Iur

Iub

Iub

Iub

Iub

SGSN

GGSN

RNC

RNC

NodeB

NodeB

NodeB

NodeB

Cell characteristics

Card / Port / VPI

VCI/ChId (AAL2 channel)

VPI/VCI (AAL5)NBAPALCAP

VPI/VCI (AAL2)

Content of an Iub link :

RACHFACHPCHDCH

Cell characteristics

NodeB

RNCRACHFACHPCHDCH

RACHFACHPCHDCH

RACHFACHPCHDCH

Iub Link

Protocols

NodeB

RNC

Command

Measurement

Request

Measurements

CN

Command

Command

Protocols

NodeB

RNCRRC

NBAP

ALCAP

Protocols : RRC functions

• Radio Ressource Control

Assigns and manages the radio resources for the mobile

• Reaction to commands from the Core Network• Reaction to request or measurements provided by the

mobile• Reaction to request or measurements provided by the

Node Bs

Protocols : RRC functions

• RRC functions– RRC connection management– RRC states management– System information broadcast– Paging management– Cell selection– Mobility management in UTRAN– Configuration of radio bearer, transport & physical

channels– Ciphering and integrity configuration

Protocols : NBAP functions

• Common NBAP functions– Cell Configuration Management– Common Transport Channel Management– System Information Mangement– Resource Event Management– Configuration alignment– Measurement on Common Resources

Protocols : NBAP functions

• Dedicated NBAP functions– Radio Link Management– Radio Link Supervision– Compressed Mode Control– Measurement on Dedicated Resources– DL Power Drifting Correction [FDD]. – Reporting of General Error Situations.

Protocols : ALCAP

• ALCAP functions– Creation and release of AAL2 channels– Reset of ALL2 ressources