TR 28.844
Study on Charging aspects of Satellite in the 5G System

3GPP‑Page fToC_↓ Partial Content _→

V18.0.0 (Wzip) 2023/12 33 p.

Rapporteur:: Miss Liu, Yingying
CICT

full Table of Contents for TR 28.844 Word version: 18.0.0

each clause number in 'red' refers to the equivalent title in the Partial Content

Scope p. 7

References p. 7

Definitions of terms, symbols and abbreviations p. 8

3.1	Terms p. 8
3.2	Symbols p. 8
3.3	Abbreviations p. 8

Background p. 8

4.1	General p. 8
4.2	Satellite access architecture p. 8
4.3	Satellite backhaul architecture and functionality p. 10
4.4	Business roles p. 11

Charging scenarios and key issues p. 12

5.1

Topic 1: Converged charging for satellite access p. 12

5.1.1

General description and assumptions p. 12

5.1.2

Potential charging requirements p. 12

5.1.3

Key issues p. 12

5.1.3.1	Key issue#1.1: Charging events and charging information required p. 12
5.1.3.2	Key issue #1.2: NF/Service suitable to provide charging information p. 12

5.1.4

Possible solutions p. 12

5.1.4.1	Solution #1.1: AMF Charging Trigger Function (CTF) based solution for satellite access charging p. 12
5.1.4.2	Solution #1.2: AMF for satellite access charging p. 14
5.1.4.3	Solution #1.3: SMF Charging Trigger Function (CTF) based solution for satellite access charging p. 16

5.1.5

Evaluation p. 17

5.1.5.1	Solutions evaluation for Key issue #1.1 p. 17
5.1.5.2	Solutions evaluation for Key issue #1.2 p. 17

5.1.6

Conclusion p. 17

5.2

Topic 2: Converged charging for satellite backhaul p. 17

5.2.0

General description and assumptions p. 17

5.2.1

Introduction p. 17

5.2.1.1	Use Case #2.1: MNO charging subscriber based on monitored QoS p. 17
5.2.1.2	Use Case #2.2: MNO charged by satellite provider based on usage p. 18

5.2.2

Potential charging requirements p. 18

5.2.3

Key issues p. 18

5.2.3.1	Key issue #2.1: Charging events and charging information required p. 18
5.2.3.2	Key issue #2.2: NF/Service suitable to provide charging information p. 18

5.2.4

Possible solutions p. 18

5.2.4.1

Solution #2.1: SMF Charging Trigger Function (CTF) based solution for satellite backhaul charging p. 18

5.2.4.1.1	General description p. 18
5.2.4.1.2	Architecture description p. 19
5.2.4.1.3	Charging procedures for satellite backhaul p. 19
5.2.4.1.4	CDR Information Structure with Satellite Backhaul information p. 21

5.2.5

Evaluation p. 21

5.2.5.1	Solutions evaluation for Key issue #2.1 p. 21
5.2.5.2	Solutions evaluation for Key issue #2.2 p. 22

5.2.6

Conclusion p. 22

5.3

Topic 3: Charging for Edge Computing with satellite backhaul p. 22

5.3.1

General description and assumptions p. 22

5.3.1.0	Relationship between Edge Computing and satellite backhaul p. 22
5.3.1.1	Use Case #3.1: Satellite Service Provider charging Application Service Provider based on usage p. 22
5.3.1.2	Use Case #3.2: SMNO charging subscriber for accessing satellite edge application p. 23