Content for TR 22.865 Word version: 19.2.0
6 Consolidated requirements
6.1 Introduction
6.2 Store & Forward Satellite operation
6.3 UE-Satellite-UE communication
6.4 GNSS independent operation & positioning enhancements for satellite access
6.5 Other aspects for satellite access
6.6 Security aspects
6.7 Charging aspects
7 Conclusions and recommendations
6 Consolidated requirements p. 38
6.1 Introduction p. 38
The following requirements represent a consolidation of the various potential requirements captured in the above use cases related to a 5G system with satellite access.
6.2 Store & Forward Satellite operation p. 38
The potential requirements corresponding to the support of S&F Satellite operation are listed in the Table below.
| CPR # | Consolidated Potential Requirement | Original PR # | Comment |
|---|---|---|---|
| CPR 6.2-1 | Subject to operator's policies, a 5G system with satellite access shall be able to support S&F Satellite operation for authorized UEs e.g. store data on the satellite when the feeder link is unavailable; and forward the data once the feeder link between the satellite and the ground segment becomes available. | [PR 5.1.6-001]
[PR.5.3.6-001] [PR 5.4.6-001] [PR.5.16.6-002] | |
| CPR 6.2-2 | A 5G system with satellite access shall be able to inform a UE whether S&F Satellite operation is applied. | [PR 5.1.6-002]
[PR.5.16.6-001] | |
| CPR 6.2-3 | Subject to operator's policies, a 5G system with satellite access supporting S&F Satellite operation shall be able to allow the operator or a trusted 3rd party to apply, on a per UE and/or satellite basis, an S&F data retention period. | [PR 5.1.6-003]
[PR 5.2.6-002] | |
| CPR 6.2-4 | Subject to operator's policies, a 5G system with satellite access supporting S&F Satellite operation shall be able to allow the operator or a trusted 3rd party to apply, on a per UE and/or satellite basis, an S&F data storage quota. | [PR 5.1.6-004]
[PR 5.2.6-003] [PR.5.3.6-003] [PR 5.4.6-004] | |
| CPR 6.2-5 | A 5G system with satellite access supporting S&F Satellite operation shall be able to support a mechanism to configure and provision specific required QoS and policies for UE's data subject to store and forward operation (e.g. forwarding priority, acknowledgment policy). | [PR 5.1.6-005]
[PR 5.2.6-004] | |
| CPR 6.2-6 | A 5G system with satellite access supporting S&F Satellite operation shall be able to provide related information (e.g. estimated delivery time to the authorised 3rd party) to an authorized UE. | [PR.5.16.6-001] | |
| CPR 6.2-7 | A 5G system with satellite access shall be able to inform an authorised 3rd party whether S&F Satellite operation is applied for communication with a UE and to provide related information (e.g. estimated delivery time to the authorised UE). | [PR 5.2.6-001]
[PR 5.2.6-005] | |
| CPR 6.2-8 | Subject to operator's policies, a 5G system with satellite access supporting S&F Satellite operation shall be able to support forwarding of the stored data from one satellite to another satellite (e.g., which has an available feeder link to the ground network), through ISLs. | [PR.5.1.6-008]
[PR.5.3.6-002] | |
| CPR 6.2-9 | Subject to operator's policies, a 5G system with satellite access supporting the S&F Satellite operation shall be able to support suitable means to resume communication between the satellite and the ground station once the feeder link becomes available. | [PR 5.1.6-007]
[PR 5.2.6-007] | |
| CPR 6.2-10 | A 5G system with satellite access supporting S&F Satellite operation shall support mechanisms for a UE to register with the network when the network is in S&F Satellite operation. | [PR.5.1.6-009]
[PR 5.4.6-002] | |
| CPR 6.2-11 | A 5G system with satellite access supporting S&F Satellite operation shall support mechanisms to authorize subscribers for receiving services when the network is in S&F Satellite operation. | [PR.5.1.6-010]
[PR 5.4.6-003] |
6.3 UE-Satellite-UE communication p. 39
The potential requirements corresponding to the support of UE-Satellite-UE communication are listed in the Table below.
| CPR # | Consolidated Potential Requirement | Original PR # | Comment |
|---|---|---|---|
| CPR 6.3-1 | Subject to regulatory requirements and operator's policy, a 5G system with satellite access shall support UE-Satellite-UE communication regardless of whether the feeder link is available or not. | [PR 5.6.6-003]
[PR 5.7.6-001] [PR 5.14.6-001] [PR 5.6.6-005] | |
| CPR 6.3-2 | Subject to regulatory requirements and operator's policy, a 5G system with satellite access shall be able to support service continuity (with minimum service interruption) of a UE-Satellite-UE communication when the UE communication path moves between serving satellites (due to the movement of the UE and/or the satellites). | [PR 5.6.6-004]
[PR 5.14.6-002] | |
| CPR 6.3-3 | Subject to regulatory requirements and operator's policy, a 5G system with satellite access shall support service continuity (with minimum service interruption) of a UE-Satellite-UE communication when the communication path between UEs extends to additional satellites (through ISLs). | [PR 5.14.6-003] | |
| CPR 6.3-4 | Subject to regulatory requirements and operator's policy, a 5G system with satellite access shall be able to provide QoS control of a UE-Satellite-UE communication | [PR 5.8.6-001] | |
| CPR 6.3-5 | Subject to regulatory requirements and operator's policy, a 5G system with satellite access shall be able to support different types of UE-Satellite-UE communication (e.g. voice, messaging, broadband, unicast, multicast, broadcast). | [PR 5.8.6-002] | |
| CPR 6.3-6 | Subject to regulatory requirements and operator's policy, a 5G system with satellite access shall support service continuity (with minimum service interruption) of a UE-Satellite-UE communication when one UE communication path moves between a direct network connection via 5G terrestrial access network and an indirect network connection via a relay UE (using satellite access). | [PR 5.10.6-002] |
6.4 GNSS independent operation & positioning enhancements for satellite access p. 40
The potential requirements corresponding to the support of GNSS independent operation & positioning enhancements for satellite access are listed in the Table below.
| CPR # | Consolidated Potential Requirement | Original PR # | Comment |
|---|---|---|---|
| CPR 6.4-1 | Subject to the regulatory requirements and operator's policy, a 5G system with satellite access shall be able to provide services to an authorized UE independently of the UE's GNSS capability. | [PR 5.11.6-001] [PR 5.11.6-002] | |
| CPR 6.4-2 | Subject to the regulatory requirements and operator's policy, a 5G system with satellite access shall be able to determine the location of a UE using only satellite access (e.g. based on 3GPP positioning technologies, based on the information from reliable and trusted sources) in order to provide services. | [PR 5.11.6-003] | |
| CPR 6.4-3 | Subject to regulatory requirements and operator's policy, a 5G system with satellite access shall be able to support 3GPP positioning methods for UEs using only satellite access. | [PR 5.13.6-001]
[PR 5.12.6-001] | |
| CPR 6.4-4 | A 5G system with satellite access shall be able to provide positioning service to a UE using only satellite access and the information on positioning services (e.g. supported positioning performance). | [PR 5.12.6-002]
[PR 5.13.6-003] | |
| CPR 6.4-5 | A 5G system with satellite access shall be able to support negotiation of positioning methods, between UE and network, according e.g. to 3GPP RAT and UE positioning capability, the availability of non-3GPP positioning technologies (e.g. GNSS). | [PR 5.13.6-002] |
6.5 Other aspects for satellite access p. 41
The potential requirements corresponding to the support of enhancements of other aspects of satellite access are listed in the Table below.
| CPR # | Consolidated Potential Requirement | Original PR # | Comment |
|---|---|---|---|
| CPR 6.5-1 | Subject to regulatory requirements and operator's policies, a 5G system with satellite access shall be able to support an efficient communication path and resource utilization for a UE using only satellites access, e.g. to minimize the latencies introduced by satellite links involved. | [PR 5.5.6-001]
[PR 5.5.6-002] [PR 5.15.6-001] | |
| CPR 6.5-2 | Subject to regulatory requirements and operator's policies, a 5G system with satellite access shall be able to support collection of information on usage statistics and location of the UEs that are connected to the satellite. | [PR 5.9.6-001] |
6.6 Security aspects p. 41
The potential requirements corresponding to the security aspect are listed in the table below.
| CPR # | Consolidated Potential Requirement | Original PR # | Comment |
|---|---|---|---|
| CPR 6.6-1 | Subject to operator's policies, a 5G system with satellite access supporting S&F Satellite operation shall be able to preserve security of the data stored and forwarded. | [PR.5.3.6-002]
[PR.5.1.6-008] | |
| CPR 6.6-2 | A 5G system with satellite access supporting S&F Satellite operation shall be able to support mechanisms to authorize a UE to use the S&F Satellite operation. | [PR.5.3.6-004]
[PR 5.4.6-003] [PR 5.4.6-002] [PR 5.1.6-006] [PR 5.2.6-006] | |
| CPR 6.6-3 | A 5G system with satellite access shall be able to support mechanisms to authorize the UE-Satellite-UE communication, based on e.g., location information and subscription. | [PR 5.6.6-001]
[PR 5.10.6-001] |
6.7 Charging aspects p. 42
The potential requirements corresponding to the charging aspects are listed in the Table below.
| CPR # | Consolidated Potential Requirement | Original PR # | Comment |
|---|---|---|---|
| CPR 6.7-1 | A 5G system with satellite access supporting S&F Satellite operation shall be able to collect charging information per UE or per application (e.g., number of UEs, data volume, duration, involved satellites). | [PR 5.4.6-005]
[PR 5.4.6-006] | |
| CPR 6.7-2 | A 5G system with satellite access shall be able to collect charging information for a UE registered to a HPLMN or a VPLMN, for UE-Satellite-UE communication. | [PR 5.6.6-002]
[PR 5.7.6-002] |
7 Conclusions and recommendations p. 42
This technical report identifies several use cases and potential new requirements related to the 5G system with satellite access.
The resulting service requirements have been consolidated in clause 6.
It is recommended to consider the consolidated requirements identified in this TR as the baseline for the subsequent normative work.
