Tech-invite 3GPPspace IETFspace

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Content for TR 28.808 Word version: 17.0.0

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4 Concepts and Background p. 10

4.1 Reference management architecture for integrated satellite components p. 10

4.1.1 Management architecture for integrated satellite NR-RAT p. 10

4.1.2 Management architecture for integrated non-3GPP satellite RAN p. 10

4.1.3 Management architecture for integrated satellite transport network providing 5G backhaul p. 11

4.2 Architecture scenarios for 5G networks with an integrated satellite component p. 12

4.2.1 Scenario #1: Satellite enabled 3GPP network as a roaming network for terrestrial network operators p. 12

4.2.2 Scenario #2: A 3GPP network with a satellite access network and a terrestrial access network p. 12

4.2.3 Scenario #3: 3GPP management system working in coordination with satellite transport network management system p. 13

4.2.4 Scenario #4: 3GPP management system managing the satellite transport network p. 13

5 Use Cases p. 14

5.1 Use cases related to network slice management p. 14

5.1.1 Create a network slice instance associated with a satellite RAN p. 14

5.1.1.1 Pre-conditions p. 14

5.1.1.2 Description p. 14

5.1.1.3 Post-conditions p. 14

5.1.2 RAN sharing of a 5G network with satellite components p. 14

5.1.2.1 Pre-conditions p. 14

5.1.2.2 Description p. 15

5.1.2.3 Post-conditions p. 15

5.1.3 Creating and managing a network slice associated with satellite components p. 15

5.1.3.1 Pre-conditions p. 15

5.1.3.2 Description p. 15

5.1.3.3 Post-conditions p. 15

5.1.4 Network slice instance(s) associated with both a Satellite RAN and a Terrestrial RAN p. 16

5.1.4.1 Pre-conditions p. 16

5.1.4.2 Description p. 16

5.1.4.3 Post-conditions p. 16

5.2 Use cases for the management of satellite components p. 16

5.2.1 Use case for NGSO regenerative satellite components p. 16

5.2.1.1 Pre-conditions p. 16

5.2.1.2 Description p. 16

5.2.1.3 Post-description p. 17

5.2.2 Use case for NGSO transparent satellite components p. 17

5.2.2.1 Pre-conditions p. 17

5.2.2.2 Description p. 17

5.2.2.3 Post-description p. 17

5.3 Use cases for monitoring of satellite components p. 17

5.3.1 Use case for monitoring of performances of NGSO satellite components with split gNBs p. 17

5.3.1.1 Goal p. 17

5.3.1.2 Pre-conditions p. 17

5.3.1.3 Description p. 17

5.3.1.4 Post-description p. 17

5.3.2 Use case for monitoring of average delay on DL-Air Interface for MEO and GEO satellite components p. 18

5.3.2.1 Goal p. 18

5.3.2.2 Pre-conditions p. 18

5.3.2.3 Description p. 18

5.3.2.4 Post-description p. 18

5.3.3 Multi-RAT load-balancing associated with both a Satellite RAN and a Terrestrial RAN p. 18

5.3.3.1 Pre-conditions p. 18

5.3.3.2 Description p. 18

5.3.3.3 Post-conditions p. 19

6 Potential Requirements p. 20

6.1 Network slice management p. 20

6.1.1 Network slice instance(s) associated with a satellite RAN p. 20

6.1.2 Network slice instance(s) associated with satellite RAN sharing p. 20

6.1.3 Network slice instance(s) associated with satellite component latencies p. 20

6.1.4 Network slice instance(s) associated with both a Satellite RAN and a Terrestrial RAN p. 20

6.2 Management of satellite components p. 20

6.2.1 Management of NGSO regenerative satellite components p. 20

6.2.2 Management of NGSO transparent satellite components p. 20

6.3 Monitoring of satellite components p. 21

6.3.1 Monitoring of NGSO satellite component with split gNBs p. 21

6.3.2 Monitoring of average delay on DL-Air Interface with MEO or GEO satellite components p. 21

6.3.3 Multi-RAT load-balancing associated with both a Satellite RAN and a Terrestrial RAN p. 21

7 Potential Solutions p. 21

7.1 Potential solutions for network slice management p. 21

7.1.1 Potential solutions to create and manage a network slice associated with satellite components p. 21

7.1.1.1 Solution #1: Adapt ServiceProfile to support a network slice instance associated with satellite components. p. 21

7.2 Potential solutions for the management of satellite components p. 22

7.2.1 Potential solutions to allow a network slice instance to be associated with both a Satellite RAN and a Terrestrial RAN p. 22

7.2.1.1 Solution #1: Extend SliceProfile to specify separate service requirements for Satellite RAN and Terrestrial RAN p. 22

7.2.2 Potential solutions for the management of NGSO regenerative and transparent satellite components p. 22

7.2.2.1 Solution #1: Prevent PCI conflicts, PCI confusion and continuous NCR-reconfigurations by using SON functions p. 22

7.3 Potential solutions for the monitoring of satellite components p. 23

7.3.1 Solution to monitor delay on the DL-Air Interface with MEO or GEO satellite components p. 23

7.3.1.1 Solution #1: Adapt the Average delay DL air-interface measurement and Distribution of delay DL air-interface measurement to support cases where HARQ feedback is disabled p. 23

7.3.2 Solution for multi-RAT load-balancing associated with both a Satellite RAN and a Terrestrial RAN p. 24

7.3.2.1 Solution #1: Switch traffic from currently active RAT to another RAT p. 24

7.3.2.2 Solution #2: Split traffic into two RATs p. 24

8 Conclusions and Recommendations p. 24

A Characteristics of satellite systems p. 25

A.1 General p. 25

A.2 Class of orbit p. 25

A.3 Geometrical coverage of satellite and propagation delay p. 26

A.4 Type of satellite communication payloads p. 27

A.5 Air interfaces p. 28

A.6 General considerations on the use of satellite networks p. 28

B Reference Models for Satellite Components Integration in the 5G System p. 29

B.1 Elementary satellite network architecture p. 29

B.2 Reference architecture with satellite enabled NR-RAN p. 29

$ Change history p. 32