Content for TS 24.334 Word version: 18.0.0
7 EPC-level ProSe discovery
7.1 Overview
7.2 Procedures
8 EPC support for WLAN direct discovery and communication
9 Handling of unknown, unforeseen, and erroneous protocol data
9.1 General
9.2 Handling of unknown, unforeseen, and erroneous protocol data in messages sent over the PC5 interface
9.3 Handling of unknown, unforeseen, and erroneous protocol data in messages sent over the PC3 interface
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7 EPC-level ProSe discovery p. 87
7.1 Overview p. 87
7.1.1 Transport protocol for PC3 Control Protocol messages for EPC-level ProSe discovery p. 87
7.1.2 Handling of UE-initiated procedures p. 87
7.1.3 Handling of network-initiated procedures p. 87
7.1.3.1 HTTP long polling p. 87
7.1.3.2 OMA Push p. 88
7.2 Procedures p. 88
7.2.1 Types of EPC-level ProSe discovery procedures p. 88
7.2.2 UE registration procedure p. 89
7.2.2.1 General p. 89
7.2.2.2 UE registration procedure initiation p. 89
7.2.2.3 UE registration procedure accepted by the ProSe Function p. 89
7.2.2.4 UE registration procedure completion by the UE p. 90
7.2.2.5 UE registration procedure not accepted by the ProSe Function p. 90
7.2.3 Application registration procedure p. 90
7.2.3.1 General p. 90
7.2.3.2 Application registration procedure initiation p. 90
7.2.3.3 Application registration procedure accepted by the ProSe Function p. 91
7.2.3.4 Application registration procedure completion by the UE p. 91
7.2.3.5 Application registration procedure not accepted by the ProSe Function p. 91
7.2.4 Proximity request procedure p. 92
7.2.4.1 General p. 92
7.2.4.2 Proximity request procedure initiation p. 92
7.2.4.3 Proximity request procedure accepted by the ProSe Function p. 93
7.2.4.4 Proximity request procedure completion by the UE p. 93
7.2.4.5 Proximity request procedure not accepted by the ProSe Function p. 93
7.2.5 Proximity alert procedure p. 94
7.2.5.1 General p. 94
7.2.5.2 Proximity alert procedure initiation by the network p. 94
7.2.5.3 Proximity alert procedure completion by the UE p. 95
7.2.6 UE deregistration procedure p. 95
7.2.6.1 General p. 95
7.2.6.2 UE-initiated UE deregistration procedure p. 95
7.2.6.2.1 UE-initiated UE deregistration procedure initiation p. 95
7.2.6.2.2 UE-initiated UE deregistration procedure accepted by the ProSe Function p. 96
7.2.6.2.3 UE-initiated UE deregistration procedure completion by the UE p. 96
7.2.6.3 Network-initiated UE deregistration procedure p. 96
7.2.7 Proximity request cancellation procedure p. 96
7.2.7.1 General p. 96
7.2.7.2 UE initiated proximity request cancellation procedure p. 97
7.2.7.2.1 Initiation of UE initiated proximity request cancellation procedure p. 97
7.2.7.2.2 UE initiated proximity request cancellation procedure handling by the ProSe Function p. 97
7.2.7.2.3 UE initiated proximity request cancellation procedure completion by the UE p. 97
7.2.7.3 ProSe Function initiated proximity request cancellation procedure p. 97
7.2.7.3.1 Initiation of ProSe Function initiated proximity request cancellation procedure p. 97
7.2.7.3.2 ProSe initiated proximity request cancellation procedure handling by the UE p. 98
7.2.7.3.3 ProSe Function initiated proximity request cancellation procedure completion by the ProSe Function p. 98
7.2.8 Proximity request Validation procedure p. 98
7.2.8.1 General p. 98
7.2.8.2 Initiation of the proximity request validation procedure p. 98
7.2.8.3 Proximity request validation procedure in the UE p. 99
7.2.8.4 Proximity request validation procedure completion by the network p. 99
7.2.9 Abnormal cases p. 99
8 EPC support for WLAN direct discovery and communication p. 100
9 Handling of unknown, unforeseen, and erroneous protocol data p. 100
9.1 General p. 100
9.2 Handling of unknown, unforeseen, and erroneous protocol data in messages sent over the PC5 interface p. 101
9.3 Handling of unknown, unforeseen, and erroneous protocol data in messages sent over the PC3 interface p. 101
9.3.1 Invalid XML p. 101
9.3.2 Unforeseen message type p. 101
