4.7.4 Contents of V2X messages

38.508-13GPP5GSPart 1: Common test environmentRelease 17TSUser Equipment (UE) conformance specification

Table 4.7.4-1 to -6: Void

– DIRECT LINK ESTABLISHMENT REQUEST

Table 4.7.4-7: DIRECT LINK ESTABLISHMENT REQUEST

Derivation Path: TS 24.587 [54] Table 7.3.1.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK ESTABLISHMENT REQUEST message identity

‘0000 0001’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

V2X service identifiers

Length of V2X service identifier contents

’04’H

V2X service identifier 1

’00 00 00 01’H

Source user info

Length of Application layer ID contents

’04’H

Application Layer ID 1

’00 00 01 00’H

Application Layer ID in initiating UE side

UE security capabilities

Length of UE security capabilities contents

’02’H

5G-EA algorithms

‘1000 0000’B

5G-EA0 supported

5G-IA algorithms

‘1000 0000’B

5G-IA0 supported

UE PC5 unicast signalling security policy

‘0000 0000’B

Signalling integrity protection not needed,

Signalling ciphering not needed.

Key establishment information container

Not Present

Nonce_1

Not Present

MSBs of KNRP-sess ID

Not Present

Target user info

Not Checked

Tx

Target user info

Rx

Application layer ID IEI

’28’H

Length of Application layer ID contents

’04’H

Application layer ID contents

’00 00 11 00’H

KNRP ID

Not Present

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK ESTABLISHMENT ACCEPT

Table 4.7.4-8: DIRECT LINK ESTABLISHMENT ACCEPT

Derivation Path: TS 24.587 [54] Table 7.3.1.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK ESTABLISHMENT ACCEPT message identity

‘0000 0010’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

Source user info

Length of Application layer ID contents

’04’H

Application Layer ID 1

’00 00 02 00’H

Application Layer ID in target UE side

QoS flow descriptions

Length of PC5 QoS flow descriptions contents

Set to the actual length of ‘PC5 QoS flow descriptions contents’ in bytes

PC5 QoS flow description 1

PQFI

’00 0001’B

Operation Code

‘001’B

Create new PC5 QoS flow description

Number of parameters

5

E

1

parameters list is included

Associated V2X service identifiers

Length of V2X service identifier contents

’04’H

V2X service identifier 1

’00 00 00 01’H

Parameters list

Parameter 1

Parameter identifier

’01’H

PQI

Length of parameter contents

1

Parameter contents

22

Sensor sharing, See Table 5.4.4-1 in TS 23.287[xx]

Parameter 2

Parameter identifier

’02’H

GFBR

Length of parameter contents

3

Parameter contents

‘0000 0110 0000 0000 0000 1010’B

10 * 1Mbps = 10Mbps.

Parameter 3

Parameter identifier

’03’H

MFBR

Length of parameter contents

3

Parameter contents

‘0000 0110 0000 0000 0001 0100’B

20 * 1Mbps = 20Mbps.

Parameter 4

Parameter identifier

’04’H

Averaging window

Length of parameter contents

2

Parameter contents

‘0000 0111 1101 0000’B

2000ms

Parameter 5

Parameter identifier

’06’H

Default priority level

Length of parameter contents

1

Parameter contents

4

Configuration of UE PC5 unicast user plane security protection

‘0000 0000’B

User plane integrity protection and ciphering is off

IP address configuration

Not Checked

Tx

IP address configuration

Rx

IP address configuration IEI

’57’H

IP address configuration content

‘0000 0001’B

IPv6 Router

Link local IPv6 address

Not Present

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK MODIFICATION REQUEST

Table 4.7.4-9: DIRECT LINK MODIFICATION REQUEST

Derivation Path: TS 24.587 [54] Table 7.3.4.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK MODIFICATION REQUEST message identity

‘0000 0100’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

Link modification operation code

‘0000 0011’B

Add new PC5 QoS flow(s) to the existing PC5 unicast link

QoS flow descriptions

Length of PC5 QoS flow descriptions contents

Set to the actual length of ‘PC5 QoS flow descriptions contents’ in bytes

PC5 QoS flow description 1

PQFI

’00 0010’B

Operation Code

‘001’B

Create new PC5 QoS flow description

Number of parameters

5

E

1

parameters list is included

Associated V2X service identifiers

Length of V2X service identifier contents

’04’H

V2X service identifier 1

’00 00 00 02’H

Parameters list

Parameter 1

Parameter identifier

’01’H

PQI

Length of parameter contents

1

Parameter contents

23

Platooning between UEs, See Table 5.4.4-1 in TS 23.287[xx]

Parameter 2

Parameter identifier

’02’H

GFBR

Length of parameter contents

3

Parameter contents

‘0000 0111 0000 0000 0000 1010’B

10 * 4Mbps = 40Mbps.

Parameter 3

Parameter identifier

’03’H

MFBR

Length of parameter contents

3

Parameter contents

‘0000 0111 0000 0000 0001 0100’B

20 * 4Mbps = 80Mbps.

Parameter 4

Parameter identifier

’04’H

Averaging window

Length of parameter contents

2

Parameter contents

‘0000 0111 1101 0000’B

2000ms

Parameter 5

Parameter identifier

’06’H

Default priority level

Length of parameter contents

1

Parameter contents

3

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK MODIFICATION ACCEPT

Table 4.7.4-10: DIRECT LINK MODIFICATION ACCEPT

Derivation Path: TS 24.587 [54] Table 7.3.5.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK MODIFICATION ACCEPT message identity

‘0000 0101’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

QoS flow descriptions

PC5 QoS flow descriptions IEI

’79’H

Length of PC5 QoS flow descriptions contents

Set to the actual length of ‘PC5 QoS flow descriptions contents’ in bytes

PC5 QoS flow description 1

PQFI

’00 0010’B

Operation Code

‘001’B

Create new PC5 QoS flow description

Number of parameters

5

E

1

parameters list is included

Associated V2X service identifiers

Length of V2X service identifier contents

’04’H

V2X service identifier 1

’00 00 00 02’H

Parameters list

Parameter 1

Parameter identifier

’01’H

PQI

Length of parameter contents

1

Parameter contents

23

Platooning between UEs, See Table 5.4.4-1 in TS 23.287[xx]

Parameter 2

Parameter identifier

’02’H

GFBR

Length of parameter contents

3

Parameter contents

‘0000 0111 0000 0000 0000 1010’B

10 * 4Mbps = 40Mbps.

Parameter 3

Parameter identifier

’03’H

MFBR

Length of parameter contents

3

Parameter contents

‘0000 0111 0000 0000 0001 0100’B

20 * 4Mbps = 80Mbps.

Parameter 4

Parameter identifier

’04’H

Averaging window

Length of parameter contents

2

Parameter contents

‘0000 0111 1101 0000’B

2000ms

Parameter 5

Parameter identifier

’06’H

Default priority level

Length of parameter contents

1

Parameter contents

3

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK RELEASE REQUEST

Table 4.7.4-11: DIRECT LINK RELEASE REQUEST

Derivation Path: TS 24.587 [54] Table 7.3.6.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK RELEASE REQUEST message identity

‘0000 0111’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

PC5 signalling protocol cause

‘0110 1111’B

Protocol error, unspecified

Rx

Not Checked

Tx

MSB of KNRP ID

Not Checked

Tx

’00 00’H

Rx

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK RELEASE ACCEPT

Table 4.7.4-12: DIRECT LINK RELEASE ACCEPT

Derivation Path: TS 24.587 [54] Table 7.3.7.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK RELEASE ACCEPT message identity

‘0000 1000’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

LSB of KNRP ID

Not Checked

Tx

’00 00’H

Rx

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK KEEPALIVE REQUEST

Table 4.7.4-13: DIRECT LINK KEEPALIVE REQUEST

Derivation Path: TS 24.587 [54] Table 7.3.8.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK KEEPALIVE REQUEST message identity

‘0000 1001’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

Keep-alive counter

’00 00 00 00’H

Increase by 1 after each keep-alive procedure.

Maximum inactivity period

Not Checked

Tx

Maximum inactivity period

Rx

Maximum inactivity period IEI

’55’H

Maximum inactivity period contents

’00 00 00 06’H

6 seconds, higher value than T5003=5s

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK KEEPALIVE RESPONSE

Table 4.7.4-14: DIRECT LINK KEEPALIVE RESPONSE

Derivation Path: TS 24.587 [54] Table 7.3.9.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK KEEPALIVE RESPONSE message identity

‘0000 1010’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

Keep-alive counter

’00 00 00 01’H

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK AUTHENTICATION REQUEST

Table 4.7.4-15: DIRECT LINK AUTHENTICATION REQUEST

Derivation Path: TS 24.587 [54] Table 7.3.10.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK AUTHENTICATION REQUEST message identity

‘0000 1011’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

Key establishment information container

Length of key establishment information container contents

Not checked

Tx

’00’H

Rx

Key establishment information container contents

Not checked

Tx

Not Present

Rx

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK AUTHENTICATION RESPONSE

Table 4.7.4-16: DIRECT LINK AUTHENTICATION RESPONSE

Derivation Path: TS 24.587 [54] Table 7.3.11.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK AUTHENTICATION RESPONSE message identity

‘0000 1100’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

Key establishment information container

Length of key establishment information container contents

Not checked

Tx

’00’H

Rx

Key establishment information container contents

Not checked

Tx

Not Present

Rx

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK AUTHENTICATION REJECT

Table 4.7.4-17: DIRECT LINK AUTHENTICATION REJECT

Derivation Path: TS 24.587 [54] Table 7.3.12.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK AUTHENTICATION REJECT message identity

‘0000 1101’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

PC5 signalling protocol cause value

‘0110 1111’B

Protocol error, unspecified

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK SECURITY MODE COMMAND

Table 4.7.4-18: DIRECT LINK SECURITY MODE COMMAND

Derivation Path: TS 24.587 [54] Table 7.3.13.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK SECURITY MODE COMMAND message identity

‘0000 1110’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

Selected security algorithms

‘0000 0000’B

UE security capabilities

Length of UE security capabilities contents

’02’H

5G-EA algorithms

‘1000 0000’B

5G-EA0 supported

5G-IA algorithms

‘1000 0000’B

5G-IA0 supported

UE PC5 unicast signalling security policy

UE PC5 unicast signalling security policy IEI

’59’H

Signalling integrity protection policy

‘000’B

Signalling integrity protection not needed

Signalling ciphering policy

‘000’B

Signalling ciphering not needed.

Nonce_2

Not Checked

Tx

Not Present

Rx

LSBs of KNRP-sess ID

Not Checked

Tx

Not Present

Rx

Key establishment information container

Not Checked

Tx

Not Present

Rx

MSBs of KNRP ID

Not Checked

Tx

Not Present

Rx

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK SECURITY MODE COMPLETE

Table 4.7.4-19: DIRECT LINK SECURITY MODE COMPLETE

Derivation Path: TS 24.587 [54] Table 7.3.14.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK SECURITY MODE COMPLETE message identity

‘0000 1111’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

QoS flow descriptions

Length of PC5 QoS flow descriptions contents

Set to the actual length of ‘PC5 QoS flow descriptions contents’ in bytes

PC5 QoS flow description 1

PQFI

’00 0001’B

Operation Code

‘001’B

Create new PC5 QoS flow description

Number of parameters

5

E

1

parameters list is included

Associated V2X service identifiers

Length of V2X service identifier contents

’04’H

V2X service identifier 1

’00 00 00 01’H

Parameters list

Parameter 1

Parameter identifier

’01’H

PQI

Length of parameter contents

1

Parameter contents

22

Sensor sharing, See Table 5.4.4-1 in TS 23.287[xx]

Parameter 2

Parameter identifier

’02’H

GFBR

Length of parameter contents

3

Parameter contents

‘0000 0110 0000 0000 0000 1010’B

10 * 1Mbps = 10Mbps.

Parameter 3

Parameter identifier

’03’H

MFBR

Length of parameter contents

3

Parameter contents

‘0000 0110 0000 0000 0001 0100’B

20 * 1Mbps = 20Mbps.

Parameter 4

Parameter identifier

’04’H

Averaging window

Length of parameter contents

2

Parameter contents

‘0000 0111 1101 0000’B

2000ms

Parameter 5

Parameter identifier

’06’H

Default priority level

Length of parameter contents

1

Parameter contents

4

UE PC5 unicast user plane security policy

‘0000 0000’B

Signalling integrity protection not needed,

Signalling ciphering not needed.

IP address configuration

Not Checked

Tx

IP address configuration

Rx

IP address configuration IEI

’57’H

IP address configuration content

‘0000 0001’B

IPv6 Router

Link local IPv6 address

Not Present

Rx

Not Checked

Tx

LSBs of KNRP ID

Not Checked

Tx

Not present

Rx

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK SECURITY MODE REJECT

Table 4.7.4-20: DIRECT LINK SECURITY MODE REJECT

Derivation Path: TS 24.587 [54] Table 7.3.15.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK SECURITY MODE REJECT message identity

‘0001 0000’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

PC5 signalling protocol cause

‘0110 1111’B

Protocol error, unspecified

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK REKEYING REQUEST

Table 4.7.4-21: DIRECT LINK REKEYING REQUEST

Derivation Path: TS 24.587 [54] Table 7.3.16.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK REKEYING REQUEST message identity

‘0001 0001’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

UE security capabilities

Length of UE security capabilities contents

’02’H

5G-EA algorithms

‘1000 0000’B

5G-EA0 supported

5G-IA algorithms

‘1000 0000’B

5G-IA0 supported

Key establishment information container

Not Checked

Nonce_1

Not Checked

MSBs of KNRP-sess ID

Not Checked

Re-authentication indication

Re-authentication indication IEI

’56’H

Re-authentication indication contents

‘0000 0000’B

KNRP is not requested to be refreshed

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK REKEYING RESPONSE

Table 4.7.4-22: DIRECT LINK REKEYING RESPONSE

Derivation Path: TS 24.587 [54] Table 7.3.17.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK REKEYING RESPONSE message identity

‘0001 0010’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK IDENTIFIER UPDATE REQUEST

Table 4.7.4-23: DIRECT LINK IDENTIFIER UPDATE REQUEST

Derivation Path: TS 24.587 [54] Table 7.3.18.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK IDENTIFIER UPDATE REQUEST message identity

‘0001 0011’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

MSB of KNRP-sess ID

Not checked

Tx

’00’H

Rx

Source layer-2 ID

’00 00 10’H

Source user info

Application layer ID IEI

’57’H

Length of Application layer ID contents

’04’H

Application Layer ID 1

’00 00 01 00’H

Application Layer ID in initiating UE side

Source link local IPv6 address

Not present

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK IDENTIFIER UPDATE ACCEPT

Table 4.7.4-24: DIRECT LINK IDENTIFIER UPDATE ACCEPT

Derivation Path: TS 24.587 [54] Table 7.3.19.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK IDENTIFIER UPDATE ACCEPT message identity

‘0001 0100’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

LSB of KNRP-sess ID

Not checked

Tx

’00’H

Rx

MSB of KNRP-sess ID

Not checked

Tx

’00’H

Rx

Source layer-2 ID

’00 00 20’H

Target layer-2 ID

’00 00 10’H

Target user info

Application layer ID IEI

’28’H

Length of Application layer ID contents

’04’H

Application Layer ID 1

’00 00 01 00’H

Application Layer ID in initiating UE side

Target link local IPv6 address

Not Present

Source user info

Application layer ID IEI

’57’H

Length of Application layer ID contents

’04’H

Application Layer ID 1

’00 00 02 00’H

Application Layer ID in target UE side

Source link local IPv6 address

Not Present

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK IDENTIFIER UPDATE ACK

Table 4.7.4-25: DIRECT LINK IDENTIFIER UPDATE ACK

Derivation Path: TS 24.587 [54] Table 7.3.20.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK IDENTIFIER UPDATE ACK message identity

‘0001 0101’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

LSB of KNRP-sess ID

Not checked

Tx

’00’H

Rx

Target layer-2 ID

’00 00 20’H

Target user info

Application layer ID IEI

’28’H

Length of Application layer ID contents

’04’H

Application Layer ID 1

’00 00 02 00’H

Application Layer ID in target UE side

Target link local IPv6 address

Not Present

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK IDENTIFIER UPDATE REJECT

Table 4.7.4-26: DIRECT LINK IDENTIFIER UPDATE REJECT

Derivation Path: TS 24.587 [54] Table 7.3.21.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK IDENTIFIER UPDATE REJECT message identity

‘0001 0110’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

PC5 signalling protocol cause

‘0110 1111’B

Protocol error, unspecified

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK MODIFICATION REJECT

Table 4.7.4-27: DIRECT LINK MODIFICATION REJECT

Derivation Path: TS 24.587 [54] Table 7.3.22.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK MODIFICATION REJECT message identity

‘0000 0110’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

PC5 signalling protocol cause

‘0110 1111’B

Protocol error, unspecified

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits

– DIRECT LINK ESTABLISHMENT REJECT

Table 4.7.4-28: DIRECT LINK ESTABLISHMENT REJECT

Derivation Path: TS 24.587 [54] Table 7.3.23.1.1

Information Element

Value/remark

Comment

Condition

DIRECT LINK ESTABLISHMENT REJECT message identity

‘0000 0011’B

Sequence number

Not Checked

0~255, uniquely identify a PC5 signalling message being sent or received

Tx

Incremented by TTCN by 1 for each outgoing new PC5 Signalling message.

0~255, uniquely identify a PC5 signalling message being sent or received

Rx

PC5 signalling protocol cause

‘0110 1111’B

Protocol error, unspecified

Condition

Explanation

Tx

UE transmits and NR-SS-UE receives

Rx

UE receives and NR-SS-UE transmits