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Equipements Réseaux
Présentation
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Architecture UMTS
UMTSRNC
UMTSBS
UMTSBS
GSMBTS
GSMBTS
Abis
AbisGSMBSC
GSMBTS
GSMBTS
Iu
A
A
Gb
Sous-système radio Sous-système réseau
TerminalGSM/GPRS
Terminal
GSM
Map
ISUP
Gn
TerminalUMTS
3G MSC
2G SGSN
Camel
HLR
GGSNIntranet
Internet
Node B
BTS
BTS
RNIS
plate-forme RI
GSMBSC
3G SGSN
2G MSC
ISUP
Gn
Gi
UMTSRNC
Iur
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Solutions SDSL
G.SHDSL
CPENode BUMTS
RNC
ATM1920 kbit/sI.432.3
NTU tronc
STM-1 STM-1
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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.432.3CPE Type CN2
G703
G703
SWITCH ATM
NNE
NNE
Solutions UMTS Orange France
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Node B identification
RNCNodeB
NodeB
NodeB
ATM SWITCH
E1 capture
STM-1 capture
Multiplexing of Iub physical links
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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
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Cell characteristics
Card / Port / VPI
VCI/ChId (AAL2 channel)
VPI/VCI (AAL5)NBAPALCAP
VPI/VCI (AAL2)
Content of an Iub link :
RACHFACHPCHDCH
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Cell characteristics
NodeB
RNCRACHFACHPCHDCH
RACHFACHPCHDCH
RACHFACHPCHDCH
Iub Link
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Protocols
NodeB
RNC
Command
Measurement
Request
Measurements
CN
Command
Command
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Protocols
NodeB
RNCRRC
NBAP
ALCAP
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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
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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
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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
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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.
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Protocols : ALCAP
• ALCAP functions– Creation and release of AAL2 channels– Reset of ALL2 ressources
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