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UMTS Topology

uU

S1

NodeB

CORE NETWORK

UTRAN

Huawei Propietary - Restricted Distribution

UE - User Equipment

UE

Huawei Propietary - Restricted Distribution

Node B

NodeB

Huawei Propietary - Restricted Distribution

RNC - Radio Network Controller

RNC

Huawei Propietary - Restricted Distribution

VLR - Visitor Location Register

VLR

Huawei Propietary - Restricted Distribution

SGSN - Serving GPRS Support Node

SGSN

Huawei Propietary - Restricted Distribution

GGSN - Gateway GPRS Support Node

GGSN

Huawei Propietary - Restricted Distribution

HLR - Home Location Register

HLR

Huawei Propietary - Restricted Distribution

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