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LTE/EPC Architecture

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Introduction

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Ericsson Internal 2010-01-12

What is LTE/EPC?

NodesinEPC&LTEFunctionality

Interfacestoothersystems

betweennodes

EPC

(Core Network)

LTE

(Radio

Access

Network)

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Ericsson Internal 2010-01-12

Objectives

DescribetheLTE/EPCArchitecture Explainthenetworkarchitectureinamobilenetwork

(access,transport,corenetwork)

DescribeasanoverviewLTE/EPCelements/nodesand

functionofeachnode ListanddescribeLTE/EPCinterfaces

IdentifyandlistinterfacesbetweenLTE/EPCand

surroundingnetworksandnodes

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> Overview

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EPS Overview Architecture

eNB eNB

eNB

MME

S1

X2

X2

X2

SAE

(System Architecture

Evolution)

LTE

(Long Term Evolution)

EPC

(Evolved

Packet Core)

E-UTRAN

EPS

(Evolved

Packet

System)

UE

P/S-GW

3GPP Work Items

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LTE/epc Architecture

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LTE/EPC Architecture

Evolved

Packet

Core

S1-CP

E-UTRAN

eNodeBeNodeB

LTE

S1-UP

SAE

MME

S-GW

P-GW

S5/S8

X2-UP

X2-CP

MME

S11

S10HSS

PCRF

S6

Gx

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PCRF

Overall Architecture

X2-UP

S1-UP

EPC

S1-CP

E-UTRAN

eNodeBeNodeB

S11

MME

S-GW

P-GW

S5/S8

X2-CP

P-CSCF

Gx

Network & Service

management

OSS-RC EMA

MM DNS/ENUM

HSS

S-CSCF

I-CSCFIMS Control

layer

Platforms / Concepts

TSP/NSP or

TSP/IS

DNS/

ENUM

MGC

MGW

SUN

IS

A-SBG

CPP /

RBS6000

Juniper/

Redback

WPP

GERAN UTRAN

BroadbandWired Access

GPRS

Packet

Core

SGSN

GGSN

CDMA2000

HRPD

(EV-DO)

WLAN

N-SBG

Internet

S6a

CS Core

MSC

GWMSC

PSTN

PDSN

S1-AP, X2-AP

H.248

ISUP

Diameter

S3

S4

GTP-C

Gxa

S103

S2a

RNCOther

SIP/UDP or SIP/TCP

Rx+

User data

RTP/UDP GTP/UDP

S101

IMS Connectivity

layer

Service LayerASAS ASApp licat ion Servers

MTAS

S6d

Uu

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> Quiz

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Summary LTE/EPC Architecture

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Summary LTE/EPC Architecture

LTE (E-UTRAN)

eNodeBs

EPC (SAE)

MME

P/S-GW

PCRFHSS

X2

S1

EPC

LTE

eNodeBeNodeB

S11MME

S-GW

P-GW

S5/S8MMES10

HSS

S6

PCRF Gx