Content for TR 23.703 Word version: 12.0.0
6.2 ProSe Communication p. 130
6.2.1 Solution C1: ProSe communications in Group Owner mode p. 130
6.2.1.1 Functional description p. 130
6.2.1.1.1 General p. 130
6.2.1.1.2 System architecture p. 131
6.2.1.2 Procedures p. 132
6.2.1.3 Impact on existing entities and interfaces p. 134
6.2.1.4 Solution evaluation p. 134
6.2.2 Solution C2: Direct communications point to point with authorization based on application-defined Group ID and system provided ProSe ID p. 134
6.2.2.1 Functional description p. 134
6.2.2.2 Procedures p. 135
6.2.2.3 Impact on existing entities and interfaces p. 138
6.2.2.4 Solution evaluation p. 139
6.2.3 Solution C3: Network independent LTE direct communication (one-to-one) p. 139
6.2.3.1 Functional description p. 139
6.2.3.2 Procedures p. 139
6.2.3.3 Configuration information direct communication p. 140
6.2.3.4 Direct bearer concept p. 141
6.2.3.5 Direct Connection Management States p. 142
6.2.3.5.1 DCM-IDLE p. 142
6.2.3.5.2 DCM-CONNECTED p. 142
6.2.3.5.3 State Transition and Functions p. 142
6.2.3.6 Mobility aspects p. 142
6.2.3.7 Operational aspects p. 142
6.2.3.7.1 Lawful intercept p. 142
6.2.3.7.2 Accounting p. 142
6.2.3.8 Impact on existing entities and interfaces p. 143
6.2.3.9 Solution evaluation p. 143
6.2.4 Solution C4: Network-authorized LTE direct communication (one-to-one) p. 143
6.2.4.1 Functional description p. 143
6.2.4.2 Procedures p. 144
6.2.4.3 Configuration information for direct communication p. 149
6.2.4.4 Direct bearer concept p. 149
6.2.4.5 Direct Connection Management States p. 149
6.2.4.5.1 DCM-IDLE p. 150
6.2.4.5.2 DCM-CONNECTED p. 150
6.2.4.5.3 State Transition and Functions p. 150
6.2.4.6 Mobility Aspects p. 150
6.2.4.7 Operational aspects p. 150
6.2.4.7.1 Lawful interception p. 150
6.2.4.7.2 Accounting p. 150
6.2.4.8 Impact on existing entities and interfaces p. 151
6.2.4.9 Solution evaluation p. 151
6.2.5 Solution C5: ProSe communications in Ad-Hoc mode p. 151
6.2.5.1 Functional description p. 151
6.2.5.1.1 General p. 151
6.2.5.1.2 System architecture p. 151
6.2.5.2 Procedures p. 153
6.2.5.3 Impact on existing entities and interfaces p. 153
6.2.5.4 Solution evaluation p. 153
6.2.6 Solution C6: LTE direct communication (one-to-many) p. 154
6.2.6.1 Functional description p. 154
6.2.6.2 Group in ProSe one-to-Many communication p. 154
6.2.6.3 Procedures p. 155
6.2.6.4 Configuration information from DPF for direct communication one-to- many p. 156
6.2.6.5 Direct one-to-many bearer concept p. 156
6.2.6.6 Mobility aspects p. 156
6.2.6.7 Operational aspects p. 157
6.2.6.7.1 Accounting p. 157
6.2.6.8 Impact on existing entities and interfaces p. 157
6.2.6.9 Solution evaluation p. 157
6.2.7 Solution C7: A hybrid mode for one-to-many communication p. 157
6.2.7.1 Functional description p. 158
6.2.7.2 Procedures p. 159
6.2.7.2.1 Initialisation procedures p. 159
6.2.7.2.2 Activation of "autonomous / ad-hoc" mode p. 161
6.2.7.2.3 Re-entering the "coordinated" mode p. 161
6.2.7.2.4 Communication via E-UTRAN/EPC p. 162
6.2.7.3 Impact on existing entities and interfaces p. 164
6.2.7.4 Solution evaluation p. 164
6.2.8 Solution C8: One to many communication p. 164
6.2.8.1 Functional description p. 164
6.2.8.2 Procedures in the UE p. 167
6.2.8.3 Impact on existing entities and interfaces p. 167
6.2.8.4 Solution evaluation p. 167
6.2.9 Solution C9: Authorization of direct communications One-to-Many based on application-defined ProSe application ID and system provided ProSe UE ID p. 168
