Content for TR 32.846 Word version: 17.0.0
6 Charging scenarios and key issues Word‑p. 9
6.1 Scenario 1: 5GS charging for ProSe Direct Discovery Word‑p. 9
6.1.1 General description and assumptions Word‑p. 9
6.1.2 Potential charging requirements Word‑p. 10
6.1.3 Key issues Word‑p. 10
6.1.4 Possible solutions Word‑p. 11
6.1.4.1 Solution #1.1: ProSe Direct Discovery charging with 5G DDNMF Word‑p. 11
6.1.4.1.1 Consideration for ProSe Direct Discovery charging with 5G DDNMF Word‑p. 11
6.1.4.1.2 Architecture Description Word‑p. 11
6.1.4.1.3 Flow Description Word‑p. 12
6.1.4.2 Solution #1.2: Charging for ProSe Direct Discovery over PC5 reference point Word‑p. 15
6.1.5 Evaluation Word‑p. 17
6.1.6 Conclusion Word‑p. 18
6.2 Scenario 2: 5GS charging for ProSe Direct Communication Word‑p. 18
6.2.1 General description and assumptions Word‑p. 18
6.2.2 Potential charging requirements Word‑p. 19
6.2.3 Key issues Word‑p. 19
6.2.4 Possible solutions Word‑p. 19
6.2.4.1 Solution #2.1: ProSe unicast mode of Direct Communication event-based charging for Key issues #2.1 Word‑p. 19
6.2.4.1.1 Consideration for ProSe unicast mode of Direct Communication charging Word‑p. 19
6.2.4.1.2 Architecture Description Word‑p. 20
6.2.4.1.3 Flow Description Word‑p. 21
6.2.4.1.3.1 Message flows with CTF - PEC Word‑p. 21
6.2.4.1.3.2 Message flows with CEF - PEC Word‑p. 23
6.2.4.2 Solution #2.2: ProSe unicast mode of Direct Communication session-based charging for Key issues #2.1 Word‑p. 24
6.2.4.2.1 Consideration for ProSe unicast mode of Direct Communication session-based charging Word‑p. 24
6.2.4.2.2 Architecture Description Word‑p. 24
6.2.4.2.3 Flow Description Word‑p. 25
6.2.4.2.3.1 Message flows with CTF - SCUR Word‑p. 25
6.2.4.2.3.2 Message flows with CEF Word‑p. 26
6.2.4.3 Solution #2.3: ProSe Broadcast mode of Direct Communication charging for Key issues #2.1 Word‑p. 26
6.2.4.3.1 Consideration for Broadcast mode of Direct Communication charging Word‑p. 26
6.2.4.3.2 Architecture Description Word‑p. 27
6.2.4.3.3 Flow Description Word‑p. 27
6.2.4.4 Solution #2.4: ProSe Groupcast mode of Direct Communication charging for Key issues #2.1 Word‑p. 29
6.2.4.4.1 Consideration for Groupcast mode of Direct Communication charging Word‑p. 29
6.2.4.4.2 Architecture Description Word‑p. 30
6.2.4.4.3 Flow Description Word‑p. 30
6.2.4.5 Solution #2.5: ProSe charging for ProSe Direct Communication via UE-to-Network Relay for Key issues #2.2 Word‑p. 30
6.2.5 Evaluation Word‑p. 34
6.2.6 Conclusion Word‑p. 34
6.3 Scenario 3: 5GS charging for ProSe Direct Communication based on QoS flow Word‑p. 34
6.3.1 General description and assumptions Word‑p. 34
6.3.2 Potential charging requirements Word‑p. 35
6.3.3 Key issues Word‑p. 35
6.3.4 Possible solutions Word‑p. 35
6.3.4.1 Solution #3.1: QoS flow Based Charging for ProSe Direct Communication for Key issues #3.1 Word‑p. 35
6.3.4.1.1 Consideration for ProSe QoS flow Based Charging Word‑p. 35
6.3.4.1.2 Architecture Description Word‑p. 36
6.3.4.1.3 Flow Description Word‑p. 36
6.3.5 Evaluation Word‑p. 36
6.3.6 Conclusion Word‑p. 36
7 Conclusions and recommendations Word‑p. 36
$ Change history Word‑p. 38
