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Reference Points Flashcards

1
Q

E-UTRAN Uu

A

UE to eNB

Control Plane
NAS EMM | NAS ESM
RRC

User Plane
IP
Packet Data Convergence Protocol (PDCP)

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2
Q

S1-U

A

eNB to SGW

User plane traffic

Protocol: GTPv1-U

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3
Q

S1-MME

A

eNB to MME

Control Plane Traffic

(Protocol: Non-Access Stratum (NAS) EPS Mobility Management (EMM). Used for mobility control.
OR
Protocol: NAS EPS Session Management ESM. Used for session control)
AND
Protocol: S1 Application Protocol (S1AP). Used for E-RAB management, transfer of UE context information, NAS signaling transport, paging, and EPC based mobility.

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4
Q

X2

A

eNB to eNB

Control and user plane

Control Protocol: X2AP
User Protocol: GTPv1-U

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5
Q

S3

A

MME to SGSN

Protocol: GTPv2-C

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6
Q

S4

A

SGW to SGSN

Control and user plane

Control Protocol: GTPv2-C
User Protocol: GTPv1-U

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7
Q

S5

A

SGW to PGW

Control and User Plane

User protocol: GTPv1-U. Used to tunnel user data.
Control protocol: GTPv2-C Used to establish and tear down PDP bearers

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8
Q

S6a

A

MME to HSS

Control Plane

Protocol: Diameter

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9
Q

S6b

A

PGW to AAA

Control Plane Diameter

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10
Q

S10

A

MME to MME

Control plane used for inter MME handovers and transfer of historical subscriber data.

Protocol: GTPv2-C

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11
Q

S11

A

SGW to MME

Control Plane used for setting up bearers

User Plane used for IoT Optimizations

Control Protocol: GTPv2-C
User Protocol: GTPv1-U

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12
Q

S12

A

SGW to RNC

User Plane GTPv1-U

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13
Q

S13

A

MME to EIR

Diameter

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14
Q

SGs

A

MME to MSS

Control Plane used for circuit switched fall back (CSFB)

Protocol: SGsAP

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15
Q

SXa

A

SGW-C to SGW-U

Used in CUPS so the SGW-C can control the SGW-U

Protocol: Packet Forwarding Control Protocol (PFCP)

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16
Q

SXb

A

PGW-C to PGW-U

Used in CUPS so the PGW-C can control the PGW-U

Protocol: Packet Forwarding Control Protocol (PFCP)

17
Q

SGi

A

PGW to P-CSCF

User Plane IP. SIP

18
Q

Sv

A

MME to MSS
Control plane used for SRVCC

Protocol: GTPv2-C

19
Q

Gx

A

PCEF to PCRF

Protocol: Diameter

20
Q

Mb

A

ATGw to PGW-U

User Plane PTP and RTP Control Protocol (RTPC)

21
Q

SWx

A

AAA to HSS

Control Plane Diameter

22
Q

SWm

A

AAA to ePDG

Control Place Diameter

23
Q

Gxc

A

SGW to PCRF

Control Plane Diameter

24
Q

S9

A

PCRF to Visited-PCRF

Control Plane Diameter

25
Q

Sy

A

PCRF to OCS

Control Plane Diameter

26
Q

SP

A

PCRF to Subscriber Profile Repository (SPR)

Control Plane Diameter

27
Q

Gz/Rf

A

OFCS to PCEF

Control Plane Diameter

28
Q

Gzn

A

Traffic Detection Function - Control (TDF-C) to OFCS

Control Plane Diameter

29
Q

Rx

A

P-CSCF to PCRF

Control Plane Diameter

LTE Reference Points (1 decks)

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