Paging method and apparatus for satellite communication, and computer-readable storage medium and base station

1 . A paging method for satellite communication, comprising:

receiving a feeder link switch request, wherein the feeder link switch request comprises a paging requirement of at least one User Equipment (UE) expected to be paged in a target cell; and

transmitting a paging message for the at least one UE based on the paging requirement;

wherein the paging requirement comprises paging assistance information of the at least one UE, and the paging assistance information is selected from a group consisting of an expected number of transmission times for paging, an expected cell for transmitting paging, and expected coverage strength of paging transmission.

2 . The paging method according to claim 1 , wherein the paging requirement further comprises one or more of the following:

an identity of the at least one UE;

an identity of a tracking area to which the at least one UE belongs;

a paging priority of the at least one UE;

capability of the at least one UE to receive paging under various types of communication networks;

a paging source of the at least one UE;

a discontinuous reception cycle of the at least one UE during narrowband Internet of Things paging;

an enhanced coverage parameter of the at least one UE; or

a wake-up signal parameter of the at least one UE.

3 . The paging method according to claim 2 , wherein the paging source is selected from a group consisting of Access and Mobility management Function (AMF) trigger and Radio Access Network (RAN) trigger.

4 . The paging method according to claim 2 , wherein said transmitting the paging message for the at least one UE based on the paging requirement comprises:

in response to the paging requirement comprising the paging priority of the at least one UE, transmitting the paging message for the at least one UE based on the paging priority;

in response to the enhanced coverage parameter in the paging requirement being that enhanced coverage is required, increasing a number of transmission times of the paging message for the at least one UE; or

in response to the wake-up signal parameter in the paging requirement being that a wake-up signal is required, transmitting the wake-up signal for the at least one UE, and then transmitting the paging message for the at least one UE.

5 . The paging method according to claim 1 , further comprising:

transmitting to an AMF the paging requirement of one or more UEs in the at least one UE, to enable the AMF to update context of a core network.

6 . The paging method according to claim 1 , wherein the feeder link switch request further comprises information of a satellite connected to a source base station through a feeder link, and is used for requesting a target base station to establish a new feeder link with the satellite.

7 . A non-transitory computer-readable storage medium storing one or more programs, the one or more programs comprising computer instructions, which, when executed by a processor, cause the processor to:

receive a feeder link switch request, wherein the feeder link switch request comprises a paging requirement of at least one User Equipment (UE) expected to be paged in a target cell; and

transmit a paging message for the at least one UE based on the paging requirement;

wherein the paging requirement comprises paging assistance information of the at least one UE, and the paging assistance information is selected from a group consisting of an expected number of transmission times for paging, an expected cell for transmitting paging, and expected coverage strength of paging transmission.

8 . A base station, comprising a memory and a processor, wherein the memory stores one or more programs, the one or more programs comprising computer instructions, which, when executed by the processor, cause the processor to:

receive a feeder link switch request, wherein the feeder link switch request comprises a paging requirement of at least one User Equipment (UE) expected to be paged in a target cell; and

transmit a paging message for the at least one UE based on the paging requirement;

wherein the paging requirement comprises paging assistance information of the at least one UE, and the paging assistance information is selected from a group consisting of an expected number of transmission times for paging, an expected cell for transmitting paging, and expected coverage strength of paging transmission.

9 . The base station according to claim 8 , wherein the paging requirement further comprises one or more of the following:

an identity of the at least one UE;

an identity of a tracking area to which the at least one UE belongs;

a paging priority of the at least one UE;

capability of the at least one UE to receive paging under various types of communication networks;

a paging source of the at least one UE;

a discontinuous reception cycle of the at least one UE during narrowband Internet of Things paging;

an enhanced coverage parameter of the at least one UE; or

a wake-up signal parameter of the at least one UE.

10 . The base station according to claim 9 , wherein the paging source is selected from a group consisting of Access and Mobility management Function (AMF) trigger and Radio Access Network (RAN) trigger.

11 . The base station according to claim 9 , wherein the processor is further caused to:

in response to the paging requirement comprising the paging priority of the at least one UE, transmit the paging message for the at least one UE based on the paging priority;

in response to the enhanced coverage parameter in the paging requirement being that enhanced coverage is required, increase a number of transmission times of the paging message for the at least one UE; or

in response to the wake-up signal parameter in the paging requirement being that a wake-up signal is required, transmit the wake-up signal for the at least one UE, and then transmit the paging message for the at least one UE.

12 . The base station according to claim 8 , wherein the processor is further caused to:

transmit to an AMF the paging requirement of one or more UEs in the at least one UE, to enable the AMF to update context of a core network.

13 . The base station according to claim 8 , wherein the feeder link switch request further comprises information of a satellite connected to a source base station through a feeder link, and is used for requesting a target base station to establish a new feeder link with the satellite.

14 . The non-transitory computer-readable storage medium according to claim 7 , wherein the paging requirement further comprises one or more of the following:

an identity of the at least one UE;

an identity of a tracking area to which the at least one UE belongs;

a paging priority of the at least one UE;

capability of the at least one UE to receive paging under various types of communication networks;

a paging source of the at least one UE;

a discontinuous reception cycle of the at least one UE during narrowband Internet of Things paging;

an enhanced coverage parameter of the at least one UE; or

a wake-up signal parameter of the at least one UE.

15 . The non-transitory computer-readable storage medium according to claim 14 , wherein the paging source is selected from a group consisting of Access and Mobility management Function (AMF) trigger and Radio Access Network (RAN) trigger.

16 . The non-transitory computer-readable storage medium according to claim 14 , wherein the processor is further caused to:

in response to the paging requirement comprising the paging priority of the at least one UE, transmit the paging message for the at least one UE based on the paging priority;

in response to the enhanced coverage parameter in the paging requirement being that enhanced coverage is required, increase a number of transmission times of the paging message for the at least one UE; or

in response to the wake-up signal parameter in the paging requirement being that a wake-up signal is required, transmit the wake-up signal for the at least one UE, and then transmit the paging message for the at least one UE.

17 . The non-transitory computer-readable storage medium according to claim 7 , wherein the processor is further caused to:

transmit to an AMF the paging requirement of one or more UEs in the at least one UE, to enable the AMF to update context of a core network.