Content for TS 24.577 Word version: 18.0.0
7 Broadcast remote ID (BRID)
8 Direct detect and avoid (DDAA) over PC5
8A Ground based detect and avoid for an area (GBDAAA)
9 Direct C2 communication over PC5
10 Handling of unknown, unforeseen, and erroneous PC5 signalling protocol data
11 Message functional definition and contents
12 Information elements coding
12A Coding other than information element coding
13 List of system parameters
A IANA registration template
$ Change history
7 Broadcast remote ID (BRID) p. 73
7.1 General p. 73
7.2 Procedures p. 73
8 Direct detect and avoid (DDAA) over PC5 p. 73
8.1 General p. 73
8.2 Procedures p. 74
8A Ground based detect and avoid for an area (GBDAAA) p. 74
8A.1 General p. 74
8A.2 Procedures p. 74
9 Direct C2 communication over PC5 p. 75
9.1 General p. 75
9.2 Procedures p. 75
10 Handling of unknown, unforeseen, and erroneous PC5 signalling protocol data p. 76
10.1 General p. 76
10.2 Message too short or too long p. 76
10.2.1 Message too short p. 76
10.2.2 Message too long p. 76
10.3 Unknown or unforeseen message type p. 76
10.4 Non-semantical mandatory information element errors p. 77
10.5 Unknown and unforeseen IEs in the non-imperative message part p. 77
10.6 Non-imperative message part errors p. 77
10.6.1 General p. 77
10.6.2 Syntactically incorrect optional IEs p. 77
10.6.3 Conditional IE errors p. 78
10.7 Messages with semantically incorrect contents p. 78
11 Message functional definition and contents p. 78
11.1 Overview p. 78
11.2 A2X communication over PC5 signalling messages p. 78
11.2.1 A2X Direct link establishment request p. 78
11.2.1.1 Message definition p. 78
11.2.1.2 Target user info p. 79
11.2.1.3 Key establishment information container p. 79
11.2.1.4 Nonce_1 p. 79
11.2.1.5 MSB of KNRP-sess ID p. 79
11.2.1.6 KNRP ID p. 79
11.2.2 A2X Direct link establishment accept p. 79
11.2.2.1 Message definition p. 79
11.2.2.2 IP address configuration p. 80
11.2.2.3 Link local IPv6 address p. 80
11.2.3 A2X Direct link establishment reject p. 80
11.2.4 A2X Direct link modification request p. 81
11.2.5 A2X Direct link modification accept p. 81
11.2.6 A2X Direct link modification reject p. 82
11.2.7 A2X Direct link release request p. 82
11.2.8 A2X Direct link release accept p. 83
11.2.9 A2X Direct link identifier update request p. 83
11.2.9.1 Message definition p. 83
11.2.9.2 Source user info p. 83
11.2.9.3 Source link local IPv6 address p. 83
11.2.10 A2X Direct link identifier update accept p. 84
11.2.10.1 Message definition p. 84
11.2.10.2 Target user info p. 84
11.2.10.3 Target link local IPv6 address p. 84
11.2.10.4 Source user info p. 84
11.2.10.5 Source link local IPv6 address p. 84
11.2.11 A2X Direct link identifier update ack p. 85
11.2.11.1 Message definition p. 85
11.2.11.2 Target user info p. 85
11.2.11.3 Target link local IPv6 address p. 85
11.2.12 A2X Direct link identifier update reject p. 85
11.2.13 A2X Direct link keepalive request p. 86
11.2.14 A2X Direct link keepalive response p. 86
11.2.15 A2X Direct link authentication request p. 87
11.2.16 A2X Direct link authentication response p. 87
11.2.17 A2X Direct link authentication reject p. 88
11.2.18 A2X Direct link authentication failure p. 88
11.2.19 A2X Direct link security mode command p. 88
11.2.19.1 Message definition p. 88
11.2.19.2 Nonce_2 p. 89
11.2.19.3 LSB of KNRP-sess ID p. 89
11.2.19.4 Key establishment information container p. 89
11.2.19.5 MSBs of KNRP ID p. 89
11.2.19.6 UE PC5 unicast signalling security policy p. 89
11.2.20 A2X Direct link security mode complete p. 90
11.2.20.1 Message definition p. 90
11.2.20.2 IP address configuration p. 90
11.2.20.3 Link local IPv6 address p. 90
11.2.20.4 LSBs of KNRP ID p. 90
11.2.21 A2X Direct link security mode reject p. 90
11.2.22 A2X Direct link rekeying request p. 91
11.2.22.1 Message definition p. 91
11.2.22.2 Key establishment information container p. 91
11.2.22.3 Nonce_1 p. 91
11.2.22.4 MSB of KNRP-sess ID p. 91
11.2.22.5 Re-authentication indication p. 91
11.2.23 A2X Direct link rekeying response p. 92
12 Information elements coding p. 92
12.1 Overview p. 92
12.2 General p. 92
12.3 A2X communication over PC5 signalling information elements p. 92
12.3.1 A2X PC5 signalling message type p. 92
12.3.2 Sequence number p. 93
12.3.3 A2X service identifier p. 93
12.3.4 Application layer ID p. 94
12.3.5 PC5 QoS flow descriptions p. 94
12.3.6 IP address configuration p. 101
12.3.7 Link local IPv6 address p. 101
12.3.8 Link modification operation code p. 101
12.3.9 PC5 signalling protocol cause p. 102
12.3.10 Keep-alive counter p. 103
12.3.11 Maximum inactivity period p. 103
12.3.12 Layer-2 ID p. 103
12.3.13 Nonce p. 104
12.3.14 UE security capabilities p. 104
12.3.15 UE PC5 unicast signalling security policy p. 107
12.3.16 MSB of KNRP-sess ID p. 107
12.3.17 KNRP ID p. 108
12.3.18 Selected security algorithms p. 108
12.3.19 LSB of KNRP-sess ID p. 109
12.3.20 MSBs of KNRP ID p. 109
12.3.21 LSBs of KNRP ID p. 110
12.3.22 UE PC5 unicast user plane security policy p. 110
12.3.23 Configuration of UE PC5 unicast user plane security protection p. 111
12.3.24 Re-authentication indication p. 112
12.3.25 Key establishment information container p. 112
12A Coding other than information element coding p. 113
12A.1 Overview p. 113
12A.2 A2X message family encoding p. 113
12A.3 Non-IP PDU format p. 113
12A.4 Encoding of A2X MBS configuration SDP p. 114
12A.4.1 Minimum components of A2X MBS configuration SDP p. 114
12A.4.2 IP multicast address p. 114
12A.4.3 List of UDP port numbers and associated A2X message family p. 114
12A.4.4 Example of A2X MBS configuration SDP p. 115
12A.4.5 MIME types p. 115
12A.5 Encoding of A2X AS MBS configuration SDP p. 115
12A.5.1 Minimum components of A2X AS MBS configuration SDP p. 115
12A.5.2 IP multicast address p. 115
12A.5.3 Port number p. 115
12A.5.4 Transport protocol p. 115
12A.5.5 Media type p. 115
12A.5.6 Media format p. 116
12A.5.7 Example of A2X AS MBS configuration SDP p. 116
12A.6 Encoding of A2X local service information p. 116
13 List of system parameters p. 118
13.1 General p. 118
13.2 Timers of provisioning of parameters for A2X configuration procedures p. 118
13.3 Timers of A2X PC5 unicast link management procedures p. 119
13.4 Timers of PC5 broadcast mode A2X communication p. 121
A IANA registration template p. 123
A.1 vnd.3gpp.5gsa2x MIME type p. 123
A.1.1 vnd.3gpp.5gsa2x MIME type registration p. 123
A.1.2 Mapping vnd.3gpp.5gsa2x MIME parameters into SDP p. 124
A.2 vnd.3gpp.5gsa2x-local-service-information MIME type p. 125
$ Change history p. 128
