Lte

UE

PhysicalMACRLC

PDCPRRCIPNAS

LTE-Uu(Air Interface)

Mw

Cx

IPNetwork

Cx

S1-U

S1-MME

S1-MME

X2

S5/S8

S11

S10

S6a

S7/Gxa

Internet

SGi

S1-U

PhysicalEthernetIPUDPGTPv1

eNodeBPhysicalEthernetIPSCTPS1-APNAS

PhysicalEthernetIPSCTPS1-APNAS

MME

PhysicalEthernetIPUDP

GTPv2

PhysicalEthernetIPSCTPDiameter

Serving GW


GTPv2

PCRF


PDN GW

HSS

P-CSCF

EthernetIP

Physical

UDP/TCP/SCTPRTPMedia Encoding

SIPSDP

HSS

Mr

Mi

Mn

Mj

MGCF

I-CSCF

Mg

IP/PPP

Layer 2

Physical

IP/PPP

Layer 2

Physical

eNodeBPhysicalEthernetIPSCTPS1-APNAS


Ethernet

Physical

IP

UDPGTPv2

UDPGTPv1

Ethernet

Physical

IP

UDPGTPv2

UDPGTPv1




BGCF

MRF

SGi

EthernetIP

Physical


SIPSDP

EthernetIP

Physical


SIPSDP

EthernetIP

Physical


SIPSDP

Ethernet

Physical

IPSCTPX2AP

UDPGTPv1

Ethernet

Physical

IPUDP

GTPv1

SCTPX2AP

S-CSCF

Mw

PhysicalEthernetIPUDPDiameter

PhysicalEthernetIPUDP/TCP/SCTPH.248 (Megaco)

EthernetIP

Physical


SIPSDP

IM-MGWPhysicalEthernetIPUDP/TCP/SCTP

H.248 (Megaco)

EthernetIP

Physical


SIPSDP

EthernetIP

Physical


SIPSDP

EthernetIP

Physical


SIPSDP

EthernetIP

Physical

UDP/TCP/SCTPSIPSDP

RTPMedia Encoding

PhysicalMACRLC

PDCPRRCIPNAS



LTE

IMS

MME


GTPv2 PhysicalEthernetIPUDP

GTPv2

PhysicalEthernetIPSCTPS1-APNAS


S6a



LTE ProtocolsName 3GPP / ITU Standard Interfaces Description

Diameter RFC 3588, 29.272, 29.273, 29.212, 29.214, 29.215, 32.299

S6a, S6d, S13, S13’, SWa/d/m/x, STa, S6b, H2, Pi, Gx, Gxa, Gxc, Gy Rx, S9

Authentication, Authorization and Accounting Protocol

GTPv1 29.281 S1-U, X2-U, S4-U, S5/8-U, S12-U

GPRS Tunneling Protocol User Plane Protocol

GTPv2 29.274 S3-C, S4-C, S5/8-C, S10, S11

GPRS Tunneling Protocol for Control Plane

MIPv4 29.279 S2a-C Mobile IPv4 Protocol

NAS 24.301 LTE-Uu, S1-MME Non-Access-Stratum Protocol

PDCP 36.323 LTE-Uu Packet Data Convergence Protocol

PMIPv6 29.275 S2a-C, S2b-C, S5/8-C Proxy Mobile IPv6 Protocol

RLC 36.322 LTE-Uu Radio Link Control Protocol

RRC 36.331 LTE-Uu, S1, X2, S3 Radio Resource Control Protocol

S1AP 36.413 S1-C E-UTRAN S1 Application Protocol (S1AP)

SCTP RFC 2960 S1-MME, X2, SBc, Diameter-based interfaces

Stream Control Transport Protocol

X2AP 36.423 X2-C E-UTRAN X2 Application Protocol

LTE Entities

IMS Entities

IMS InterfacesInterface Description

Cx I-CSCF, S-CSCF HSS

ISC S-CSCF AS

Ma I-CSCF AS

Mg MGCF I-CSCF

Mi S-CSCF BGCF

Mj BGCF MGCF

Mn MGCF IM-MGW

Mr S-CSCF MRFC

Mw P-CSCF I-CSCF S-CSCF

Rf/Ro CSCF BGCF MRFC MGCF AS

Sh AS HSS

LTE Interfaces Interface Description

Cx CSCF HSS

Gxa/S7 PCRF P-GW

Gxc PCRF S-GW

Gy P-GW OCS

LTE-Uu UE eNB

Rx+ PCRF AF

SBc MME CBC

SGi P-GW PDN

SGs MME VLR

S1-MME eNB MME

S1-U eNB S-GW

S2a P-GW HSGW [trusted non-3GPP IP access]

S2b P-GW ePDG

S2c P-GW UE [untrusted non-3GPP and/or 3GPP access]

S3 SGSN MME

S4 SGSN S-GW

S5 S-GW P-GW

S6a MME HSS

S7/Gxa P-GW PCRF

S8 Visited S-GW Home P-GW

S9 Visited PCRF Home PCRF

S10 MME MME

S11 MME S-GW

S13 MME EIR

S13’ SGSN EIR

S101 MME eAN/PCF

S102 MME MSC [1xRTT ]

S103 S-GW HSGW

Sv MME MSC [ WCDMA]

SWa AAA Proxy untrusted non-3GPP access

SWd AAA Server AAA Proxy

SWm ePDG AAA Proxy

SWx HSS AAA

X2 eNB eNB

LTE - UMTS Connectivity

UTRAN SGSN GGSN

PS-CoreGnIu-PS

E-UTRAN

eNB

X2

SAE-EPC

MME

PDN GW

S1-MME

S1-U

S5/S8

S11S11

S3

S10

S6a

MME

S4

LTE-Uu

PCRF

S7/Gxa

Internet

IMS

PSTN

SGi

GoGi

eNB

HSS

ServingGW

UMTS

LTE

SGi

LTE-Uu

LTE Network Planes

Control Plane

User Plane

Non-Access Stratum

IMS Network Planes

Control Plane

User Plane

LTE - CDMA2000/eHRPD Connectivity

RAN eAN/ePCF A10/A11

E-UTRAN

eNB

X2

SAE-EPC

MME

PDN GW

S1-MME

S1-U

S5/S8

S11S11

S101

S10

S6a

MME

S103 S2a

LTE-Uu

LTE-Uu

PCRF

Internet

IMS

PSTN

SGi

GoGi

eNB

HSS

ServingGW

CDMA2000/eHRPD

LTE

SGi

HSGW

S7a/Gxa

S7/Gxa

Attach

PDP Context activation

Closing session

Typical LTE ProceduresUE PCRF HSS

EIR

eNodeB New MME Serving GW PDN GWOld MME/SGSN

Attach Procedure

Dedicated Bearer Activation Procedure

Attach Request

Attach Request

Create Session Request

Bearer Setup Response

Create Bearer Response

Create Bearer Response

Direct Transfer

RRC Connection Recon�g. Complete

Initial Context Setup Resp.

Create Session Response

Initial Context Setup Req./Attach Accept

Bearer Setup Req.Session Management Req.

RRC Connection Recon�g.

RRC Connection Recon�g. Complete

Session Management Response

RRC Connection Recon�g.

Create Session Request

Direct Transfer

Attach Complete

Create Session Response

First Downlink Data

Identity Request

Ciphered Options Request

Ciphered Options Response

Identity Response

Identity Request/Response

ME Identity Check

Identi�cationRequest

Identi�cationResponse

Authentication/Security

Update Location Request

Cancel Location

Update Location Ack

Cancel Location Ack

PCEF Initiate IP-CANSession Termination

IP-CANSession Modi�cation

IP-CANSession Modi�cation

Create Bearer Request

Create Bearer Request

IMS EntitiesEntity Name Description

BGCF Breakout Gateway Control Function

HSS Home Subscriber Service

I-CSCF Interrogating Call Session Control Function

IM-MGW IP Multimedia Media Gateway

MGCF Media Gateway Control Function

MRF Media Resource Function

P-CSCF Proxy Call Session Control Function

S-CSCF Serving Call Session Control Function

Entity Name Description

AAA Authentication, Authorization and Accounting server

AF Application Function

CBC Cell Broadcast Center

eAN/ePCF Evolved AN/Packet Control Function

EIR Equipment Identity Register

eNB eNodeB

ePDG Evolved/Enhanced Packet Data Gateway

GGSN Gateway GPRS Support Node

HSGW HRPD Serving Gateway

HSS Home Subscriber Server

MME Mobility Management Entity

MSC Mobile Switching Center

OCS Online Charging System

PDN Packet Data Network

PCRF Policy and Charging Rules Function

P-GW Packet Data Network (PDN) Gateway

SGSN Serving GPRS Support Node

S-GW Serving Gateway

UE User Equipment

VLR Visitor Location Register

Headquarters: RADCOM Ltd. - 24 Raoul Wallenberg Street, Tel Aviv 69719, Israel Tel: +972-3-6455055 Fax: +972-3-6474681 Email: [email protected] | US O�ce: RADCOM EQUIPMENT, INC. 6 Forest Avenue, Paramus, NJ 07652, USA Tel: +1 201-518-0033 Fax: +1 201-556-9030 Call toll-free: 1-800-RADCOM-4 Email: [email protected] China O�ce: RADCOM (China) LTD. 2309, Block A, Beijing Full Link Plaza, No. 18, ChaoYangMenWai Avenue, Chaoyang District, Beijing 100020, China Tel: +86-10-65886207 Fax: +86-10-65886207 ext188 Email: [email protected] | Brazil O�ce: RADCOM (Brazil) LTD. AL. RIO NEGRO, 1030 – 3º. Andar - SALA 301 – Alphaville Barueri – SP, Brazil Tel: +55-11-71309793 Fax: +55-11-71309793 Email: [email protected]

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MONITORS THE WORLD OF LTEPr

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