Satellite communication method and apparatus, and core network element and storage medium

1 . A satellite communication method, comprising:

communicating with a user equipment UE via an inter-satellite link or an intra-satellite link by a core network using a first communication satellite; and

communicating with a service server via the inter-satellite link or the intra-satellite link by the core network;

wherein the core network and the service server are located on a same communication satellite or different communication satellites, and the service server is used to provide a communication service to the UE;

wherein communicating with the service server via the inter-satellite link or the intra-satellite link by the core network comprises:

receiving a service request of the UE sent by the first communication satellite based on the inter-satellite link or the intra-satellite link, and

forwarding the service request to the service server in response to the service request, to enable the service server to establish a communication link with the UE through the core network and the first communication satellite according to the service request of the UE to provide the communication service for the UE;

wherein the core network is located on a second communication satellite, and the service server is located on a third communication satellite;

the second communication satellite is connected to the first communication satellite with the inter-satellite link, and the third communication satellite is connected to the second communication satellite with the inter-satellite link.

2 . The method according to claim 1 , wherein both the core network and the service server are located on the first communication satellite.

3 . The method according to claim 1 , wherein both the core network and the service server are located on the second communication satellite;

the first communication satellite is connected to the second communication satellite with the inter-satellite link.

4 . The method according to claim 1 , wherein the core network is located on the first communication satellite, and the service server is located on the second communication satellite;

the first communication satellite is connected to the second communication satellite with the inter-satellite link.

5 . The method according to claim 3 , wherein the first communication satellite and the second communication satellite are co-orbital communication satellites.

6 . The method according to claim 1 , wherein the second communication satellite, the third communication satellite, and the first communication satellite are co-orbital communication satellites.

7 . The method according to claim 1 , wherein the intra-satellite link is a connection link established between communication interfaces or data interfaces within the same communication satellite.

8 . The method according to claim 3 , wherein the first communication satellite is a communication satellite on a first orbit, and the second communication satellite is a communication satellite on a second orbit.

9 . The method according to claim 1 , wherein the first communication satellite is a communication satellite on a first orbit, and the second communication satellite and the third communication satellite are communication satellites on a second orbit.

10 . The method according to claim 1 , wherein the second communication satellite and the first communication satellite are communication satellites on a first orbit, and the third communication satellite is a communication satellite on a second orbit.

11 . The method according to claim 1 , wherein the first communication satellite is a communication satellite on a first orbit, the second communication satellite is a communication satellite on a second orbit, and the third communication satellite is a communication satellite on a third orbit.

12 . A core network element, comprising:

a processor;

a transceiver; and

a memory for storing executable programs capable of being run by the processor;

wherein the processor is configured to:

communicate with a user equipment UE via an inter-satellite link or an intra-satellite link by a core network using a first communication satellite; and

communicate with a service server via the inter-satellite link or the intra-satellite link by the core network;

wherein the core network and the service server are located on a same communication satellite or different communication satellites, and the service server is used to provide a communication service to the UE;

wherein the processor is further configured to:

receive a service request of the UE sent by the first communication satellite based on the inter-satellite link or the intra-satellite link, and

forward the service request to the service server in response to the service request, to enable the service server to establish a communication link with the UE through the core network and the first communication satellite according to the service request of the UE to provide the communication service for the UE;

wherein the core network is located on a second communication satellite, and the service server is located on a third communication satellite;

the second communication satellite is connected to the first communication satellite with the inter-satellite link, and the third communication satellite is connected to the second communication satellite with the inter-satellite link.

13 . The core network element according to claim 12 , wherein both the core network and the service server are located in the first communication satellite.

14 . The core network element according to claim 12 , wherein both the core network and the service server are located in the second communication satellite;

the first communication satellite is connected to the second communication satellite with the inter-satellite link.

15 . The core network element according to claim 12 , wherein the core network is located in the first communication satellite, and the service server is located in the second communication satellite;

the first communication satellite is connected to the second communication satellite with the inter-satellite link.

16 . The core network element according to claim 14 , wherein the first communication satellite and the second communication satellite are co-orbital communication satellites.

17 . The core network element according to claim 14 , wherein the first communication satellite is a communication satellite on a first orbit, and the second communication satellite is a communication satellite on a second orbit.

18 . A non-transitory storage medium having stored therein executable programs that, when executed by a processor, cause the processor to:

communicate with a user equipment UE via an inter-satellite link or an intra-satellite link by a core network using a first communication satellite; and

communicate with a service server via the inter-satellite link or the intra-satellite link by the core network;

wherein the core network and the service server are located on a same communication satellite or different communication satellites, and the service server is used to provide a communication service to the UE;

wherein the executable programs, when executed by the processor, further cause the processor to:

receive a service request of the UE sent by the first communication satellite based on the inter-satellite link or the intra-satellite link, and

forward the service request to the service server in response to the service request, to enable the service server to establish a communication link with the UE through the core network and the first communication satellite according to the service request of the UE to provide the communication service for the UE;

wherein the core network is located on a second communication satellite, and the service server is located on a third communication satellite;

the second communication satellite is connected to the first communication satellite with the inter-satellite link, and the third communication satellite is connected to the second communication satellite with the inter-satellite link.