Granted Patent B2

US 12,621,901 · App. 18/004,849 · Granted May 5, 2026

Inventor: Yanhua Li (Beijing, CN)

Assignee: Beijing Xiaomi Mobile Software Co., Ltd.

H04W76/28H04W68/02

Abstract

Claims (62)

1 . A method for determining an extended discontinuous reception (eDRX) parameter, performed by a first base station and comprising:

determining a first target eDRX parameter in an access network for a user equipment (UE) being in an inactive state based on a first eDRX parameter determined by the first base station and a second eDRX parameter determined by a core network;

wherein determining the first target eDRX parameter in the access network for the UE being in the inactive state comprises:

determining the first target eDRX parameter based on the first eDRX parameter and the second eDRX parameter and using a determination rule;

wherein the first eDRX parameter comprises at least an eDRX cycle determined by the first base station;

the second eDRX parameter comprises an eDRX cycle and a paging time window (PTW) determined by the core network;

wherein determining the first target eDRX parameter based on the first eDRX parameter and the second eDRX parameter comprises:

determining an eDRX cycle of the first target eDRX parameter based on the eDRX cycle determined by the first base station and the eDRX cycle determined by the core network; and determining a PTW of the first target eDRX parameter based on the PTW determined by the core network.

2 . The method according to claim 1 , wherein determining the first target eDRX parameter in the access network for the UE being in the inactive state comprises one of:

determining a smaller value of the first eDRX parameter and the second eDRX parameter as the first target eDRX parameter;

determining the first eDRX parameter as the first target eDRX parameter; and

determining the second eDRX parameter as the first target eDRX parameter.

3 . The method according to claim 1 , further comprising:

determining the first eDRX parameter based on at least one of first eDRX auxiliary information sent by the UE or second eDRX auxiliary information sent by the core network.

4 . The method according to claim 3 , wherein the first eDRX auxiliary information comprises at least one of:

indication information indicating whether the UE supports to perform eDRX in the inactive state;

indication information indicating whether the UE allows to perform eDRX in the inactive state;

an auxiliary eDRX parameter of the UE; or

an auxiliary parameter determined by the UE for determining a radio access network (RAN) paging cycle.

5 . The method according to claim 3 , wherein the second eDRX auxiliary information comprises: an auxiliary eDRX parameter of the core network.

6 . The method according to claim 3 , further comprising:

sending the first eDRX parameter and the second eDRX parameter determined by the core network, or the first eDRX auxiliary information sent by the UE to a second base station.

7 . The method according to claim 6 , further comprising:

receiving request information sent by the second base station for requesting the first eDRX parameter and the second eDRX parameter, or the first eDRX auxiliary information;

wherein sending the first eDRX parameter and the second eDRX parameter, or the first eDRX auxiliary information to the second base station comprises:

sending the first eDRX parameter and the second eDRX parameter, or the first eDRX auxiliary information to the second base station in response to receiving the request information.

8 . The method according to claim 6 , wherein sending the first eDRX parameter the second eDRX parameter, or the first eDRX auxiliary information to the second base station comprises:

sending RAN PAGING signaling carrying the first eDRX parameter and the second eDRX parameter, or the first eDRX auxiliary information to the second base station.

9 . The method according to claim 1 , further comprising:

sending the first eDRX parameter to the UE, wherein the first eDRX parameter is used for the UE to determine a second target eDRX parameter in the access network for the UE being in the inactive state.

10 . A method for determining an extended discontinuous reception (eDRX) parameter, performed by a user equipment (UE) and comprising:

determining a second target eDRX parameter in an access network for the UE being in an inactive state based on a first eDRX parameter determined by a first base station and a second eDRX parameter determined by a core network;

wherein determining the second target eDRX parameter in the access network for the UE being in the inactive state comprises:

determining the second target eDRX parameter based on the first eDRX parameter and the second eDRX parameter and using a determination rule;

wherein the first eDRX parameter comprises at least an eDRX cycle determined by the first base station;

the second eDRX parameter comprises an eDRX cycle and a paging time window (PTW) determined by the core network;

wherein determining the second target eDRX parameter based on the first eDRX parameter and the second eDRX parameter comprises:

determining an eDRX cycle of the second target eDRX parameter based on the eDRX cycle determined by the first base station and the eDRX cycle determined by the core network; and determining a PTW of the second target eDRX parameter based on the PTW determined by the core network.

11 . The method according to claim 10 , wherein determining the second target eDRX parameter in the access network for the UE being in the inactive state comprises one of:

determining a smaller value of the first eDRX parameter and the second eDRX parameter as the second target eDRX parameter;

determining the first eDRX parameter as the second target eDRX parameter; and

determining the second eDRX parameter as the second target eDRX parameter.

12 . The method according to claim 10 , further comprising:

sending first eDRX auxiliary information, wherein the first eDRX auxiliary information is used for the first base station to determine the first eDRX parameter.

13 . The method according to claim 12 , wherein the first eDRX auxiliary information comprises at least one of:

indication information indicating whether the UE supports to perform eDRX in the inactive state;

indication information indicating whether the UE allows to perform eDRX in the inactive state;

an auxiliary eDRX parameter of the UE; or

an auxiliary parameter determined by the UE for determining a radio access network (RAN) paging cycle.

14 . The method according to claim 10 , further comprising:

receiving the first eDRX parameter sent by the first base station.

15 . A method for determining an extended discontinuous reception (eDRX) parameter, performed by a second base station and comprising:

receiving a first eDRX parameter determined by a first base station and a second eDRX parameter determined by a core network, or first eDRX auxiliary information determined by a user equipment (UE), sent by the first base station;

wherein the first eDRX parameter, the second eDRX parameter and a determination rule are used to determine a first target eDRX parameter:

wherein the first eDRX parameter comprises at least an eDRX cycle determined by the first base station, the second eDRX parameter comprises an eDRX cycle and a paging time window (PTW) determined by the core network, an eDRX cycle of the first target eDRX parameter is determined based on the eDRX cycle determined by the first base station and the eDRX cycle determined by the core network, and a PTW of the first target eDRX parameter is determined based on the PTW determined by the core network.

16 . The method according to claim 15 , further comprising:

sending to the first base station request information for requesting the first eDRX parameter and the second eDRX parameter, or the first eDRX auxiliary information.

17 . The method according to claim 15 , wherein receiving the first eDRX parameter determined by the first base station and the second eDRX parameter determined by the core network, or the first eDRX auxiliary information determined by the UE, sent by the first base station comprises:

receiving RAN PAGING signaling carrying the first eDRX parameter and the second eDRX parameter, or the first eDRX auxiliary information.

18 . A communication device, comprising:

a processor; and

a memory storing an executable program, wherein the processor is configured to perform the method according to claim 1 .

Assignments (1)

Continuity (1)

References Cited (16)