August 11th, 2009 by 3gLteInfo in UMTS
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UTRAN Interfaces and Protocols

3G Network

UMTS Architecture

Interfaces

Interfaces Description
B MSC – VLR
C MSC – HLR
D VLR – HLR
E MSC – GMSC
F MSC – EIR
G VLR – VLR
Gc GGSN – HLR
Gd SGSN – SMSC
Gf SGSN – EIR
Gn SGSN – GGSN
Gr SGSN – HLR
Gs SGSN – VLR
H HLR – AuC
IuPS RNC – SGSN
IuCS RNC – MSC/VLR
Iub NodeB – RNC
Iur RNC – RNC
Uu UE – NodeB

Important Interfaces and Protocols

Uu Interface

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Protocols

Protocol Description Standard
MM Mobility Management 3GPP TS 24.008
CC Call Control 3GPP TS 24.008
SMS Short Message Service 3GPP TS 23.040, 3GPP TS 24.011
SS Supplementary Service 3GPP TS 24.080
GMM GPRS Mobility Management 3GPP TS 24.008
SM Session Management 3GPP TS 24.008
GSMS GPRS Short Message Service 3GPP TS 23.040, 24.011
AMR Adaptive Multi Rate 3GPP TS 26.071
IP Internet Protocol IETF RFC 791
PPP Point-to-Point Protocol IETF RFC 1661
RRC Radio Resource Protocol 3GPP TS 25.331
PDCP Packet Data Convergence Protocol 3GPP TS 25.323
RLC Radio Link Control 3GPP TS 25.322
MAC Medium Access Control 3GPP TS 25.321

Iub Interface

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Protocols

Protocol Description Standard
NBAP NodeB Application Part 3GPP TS 25.433
BMC Broadcast Multicast Control 3GPP TS 25.324
TAF Terminal Adaptation Function 3GPP TS 27.001, 27.002
RLP Radio Link Protocol 3GPP TS 24.022
SSCF-UNI Service Specific Co-ordination Function – User Network Interface ITU-T Q.2130
SSCOP Service Specific Connection Oriented Protocol ITU-T Q.2110
ALCAP Access Link Control Application Part ITU-T Q.2630.1, Q.2630.2
STC Signalling Transport Converter ITU-T Q.2150.1
AAL2 ATM Adaptation Layer 2 ITU-T I.363.2
AAL5 ATM Adaptation Layer 5 ITU-T I.363.5
ATM Asynchronous Transmission Mode
NOTE: Other protocols are defined above

Iur Interface

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Protocols

Protocol Description Standard
RNSAP Radio Access Network Application Part 3GPP TS 25.413
MTP3-B Message Transfer Part Level 3 for ATM ITU-T Q.2110
SSCF-NNI Service Specific Co-ordination Function – Network Node Interface ITU-T Q.2140
M3UA MTP3 User Adaptation Layer IETF RFC 3332
SCTP Stream Control Transmission Protocol IETF RFC 2960

NOTE: Other protocols are defined above

IuCS Interface

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Protocols

Protocol Description Standard
AAL2-SAR SSCS Segmentation and Reassembly Service Specific Convergence Sublayer for the AAL type 2 ITU-T I.366.1

NOTE: Other protocols are defined above

IuPS Interface

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Protocols

Protocol Description Standard
UDP User Datagram Protocol IETF RFC 768
GTP-U GTP User Plane ETSI GSM 09.60 / 3GPP TS 29.060

NOTE: Other protocols are defined above

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