10.2.61 URA UPDATE CONFIRM

25.3313GPPProtocol specificationRadio Resource Control (RRC)Release 17TS

This message confirms the URA update procedure and can be used to reallocate new RNTI information for the UE valid after the URA update.

RLC-SAP: UM

Logical channel: CCCH or DCCH

Direction: UTRANUE

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Version

Message Type

MP

Message Type

UE information elements

U-RNTI

CV-CCCH

U-RNTI 10.3.3.47

RRC transaction identifier

MP

RRC transaction identifier 10.3.3.36

Integrity check info

CH

Integrity check info 10.3.3.16

Integrity check info is included if integrity protection is applied

Integrity protection mode info

OP

Integrity protection mode info 10.3.3.19

The UTRAN should not include this IE unless it is performing an SRNS relocation

Ciphering mode info

OP

Ciphering mode info 10.3.3.5

The UTRAN should not include this IE unless it is performing an SRNS relocation and a change in ciphering algorithm

New U-RNTI

OP

U-RNTI 10.3.3.47

New C-RNTI

OP

C-RNTI 10.3.3.8

New H-RNTI

OP

H-RNTI 10.3.3.14a

REL-8

New Primary E-RNTI

OP

E-RNTI 10.3.3.10a

REL-8

RRC State Indicator

MP

RRC State Indicator 10.3.3.35a

UTRAN DRX cycle length coefficient

OP

UTRAN DRX cycle length coefficient 10.3.3.49

CN Information Elements

CN Information info

OP

CN Information info 10.3.1.3

UTRAN mobility information elements

URA identity

OP

URA identity 10.3.2.6

RNC support for change of UE capability

OP

Boolean

Should be included if the message is used to perform an SRNS relocation

REL-7

RB information elements

Downlink counter synchronisation info

OP

>RB with PDCP information list

OP

1 to <maxRBallRABs>

>>RB with PDCP information

MP

RB with PDCP information

10.3.4.22

This IE is needed for each RB having PDCP in the case of lossless SRNS relocation

OP

REL-5

>>PDCP context relocation info

OP

PDCP context relocation info 10.3.4.1a

This IE is needed for each RB having PDCP and performing PDCP context relocation

REL-5

Condition

Explanation

CCCH

This IE is mandatory present when CCCH is used and not needed otherwise.