Granted Patent B2

US 12,245,169 · App. 17/738,171 · Granted Mar 4, 2025

Inventors: Xingxing Hu (Shanghai, CN); Hongping Zhang (Shenzhen, CN); Rui Wang (Shanghai, CN); Wenjie Peng (Shanghai, CN)

Assignee: Huawei Technologies Co., Ltd.

H04W52/367H04L1/0038H04W52/146H04W76/15

Abstract

Claims (60)

1. A communication method, comprising:

receiving first information from a network device, wherein the first information indicates, to a terminal device, to suspend a secondary cell group (SCG);

suspending the SCG based on the first information; and

changing a configuration parameter of a master cell group (MCG),

wherein the configuration parameter is changed to a first preset value associated with suspension of the SCG, and the configuration parameter comprises at least one of an available uplink transmission time period, a maximum transmit power, or a control channel blind detection parameter.

2. The method according to claim 1 , wherein the changing the configuration parameter of the MCG comprises:

changing configuration parameter allocation between the MCG and the SCG.

3. The method according to claim 1 , wherein the configuration parameter comprises the available uplink transmission time period; and

wherein the changing the configuration parameter of the MCG comprises:

changing the available uplink transmission time period of the MCG based on the available uplink transmission time period of the SCG, wherein the changed available uplink transmission time period of the MCG comprises a part or all of the available uplink transmission time period of the SCG.

4. The method according to claim 1 , wherein the configuration parameter comprises the maximum transmit power; and

wherein the changing the configuration parameter of the MCG comprises performing at least one of:

determining, in response to a sum of the maximum transmit power of the MCG and a maximum transmit power of the SCG being less than or equal to a maximum transmit power of the terminal device, the sum of the maximum transmit power of the MCG and the maximum transmit power of the SCG as the maximum transmit power of the MCG; or

determining, in response to the sum of the maximum transmit power of the MCG and the maximum transmit power of the SCG being greater than the maximum transmit power of the terminal device, the maximum transmit power of the terminal device as the maximum transmit power of the MCG.

5. The method according to claim 4 , further comprising:

allocating the maximum transmit power of the SCG to a maximum transmit power of each carrier of a master node in proportion or on average.

6. The method according to claim 1 , wherein the configuration parameter comprises the control channel blind detection parameter, and

wherein the changing the configuration parameter of the MCG comprises:

receiving preset blind detection parameters from the network device, wherein the preset blind detection parameters comprise a first preset blind detection parameter and a second preset blind detection parameter, wherein the first preset blind detection parameter is a control channel blind detection parameter of the MCG when the SCG is suspended, and wherein the second preset blind detection parameter is a control channel blind detection parameter of the MCG when the SCG is not suspended; and

wherein the changing the configuration parameter of the MCG comprises changing the control channel blind detection parameter of the MCG to the first preset blind detection parameter.

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

receiving preset blind detection parameters from the network device, wherein the preset blind detection parameters comprises a third preset blind detection parameter and a fourth preset blind detection parameter, wherein the third preset blind detection parameter is a control channel blind detection parameter used in a single connectivity state, and wherein the fourth preset blind detection parameter is a control channel blind detection parameter used in a dual connectivity state; and

wherein the changing the configuration parameter of the MCG comprises changing a control channel blind detection parameter of the MCG to the third preset blind detection parameter.

8. The method according to claim 1 , further comprising sending sixth information to a master node (MN), wherein the sixth information indicates to the terminal device to send uplink data from the suspended SCG.

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

changing a primary path corresponding to an SCG split bearer of the suspended SCG to an MCG split bearer; and

sending uplink data through a changed primary path.

10. The method according to claim 1 , wherein changing the configuration parameter further comprises changing the configuration parameter from a second value associated with non-suspension of the SCG.

11. A communication apparatus, comprising:

a transceiver;

a processor; and

a non-transitory computer readable medium storing a program for execution by the processor, the program including instructions to:

receive, through the transceiver, first information from a network device, wherein the first information indicates a terminal device to suspend a secondary cell group (SCG); and

suspend the SCG based on the first information; and

change a configuration parameter of a master cell group (MCG), wherein the configuration parameter is changed to a first preset value associated with suspension of the SCG, and the configuration parameter comprises at least one of an available uplink transmission time period, a maximum transmit power, or a control channel blind detection parameter.

12. The apparatus according to claim 11 , wherein the program further includes instructions to change configuration parameter allocation between the MCG and the SCG.

13. The apparatus according to claim 11 , wherein the configuration parameter comprises the available uplink transmission time period; and

wherein the program further includes instructions to:

change the available uplink transmission time period of the MCG based on the available uplink transmission time period of the SCG, wherein the changed available uplink transmission time period of the MCG comprises a part or all of the available uplink transmission time period of the SCG.

14. The apparatus according to claim 11 , wherein the configuration parameter comprises the maximum transmit power; and

wherein the program further includes instructions to perform at least one of:

determine, in response to a sum of the maximum transmit power of the MCG and a maximum transmit power of the SCG being less than or equal to a maximum transmit power of the terminal device, the sum of the maximum transmit power of the MCG and the maximum transmit power of the SCG as the maximum transmit power of the MCG; or

determine, in response to the sum of the maximum transmit power of the MCG and the maximum transmit power of the SCG being greater than the maximum transmit power of the terminal device, the maximum transmit power of the terminal device as the maximum transmit power of the MCG.

15. The apparatus according to claim 14 , wherein the program further includes instructions to allocate the maximum transmit power of the SCG to a maximum transmit power of each carrier of a master node in proportion or on average.

16. The apparatus according to claim 14 , wherein the configuration parameter comprises the control channel blind detection parameter; and

wherein the program further includes instructions to:

receive, through the transceiver, preset blind detection parameters from the network device, wherein the preset blind detection parameters comprise a first preset blind detection parameter and a second preset blind detection parameter, wherein the first preset blind detection parameter is a control channel blind detection parameter of the MCG when the SCG is suspended, and wherein the second preset blind detection parameter is a control channel blind detection parameter of the MCG when the SCG is not suspended; and

change the control channel blind detection parameter of the MCG to the first preset blind detection parameter.

17. The apparatus according to claim 14 , wherein the program further includes instructions to receive, through the transceiver, preset blind detection parameters from the network device, wherein the preset blind detection parameters comprises a third preset blind detection parameter and a fourth preset blind detection parameter, wherein the third preset blind detection parameter is a control channel blind detection parameter used in a single connectivity state, and wherein the fourth preset blind detection parameter is a control channel blind detection parameter used in a dual connectivity state; and

change the control channel blind detection parameter of the MCG to the third preset blind detection parameter.

18. The apparatus according to claim 11 , wherein the program further includes instructions to:

cause the transceiver to send sixth information to a master node (MN), wherein the sixth information indicates the terminal device to send uplink data from the suspended SCG.

19. A non-transitory processor-readable medium having instructions stored thereon for execution by at least one processor of a communications apparatus, the instructions, when executed by the at least one processor, causing the communications apparatus to perform:

receiving first information from a network device, wherein the first information indicates to a terminal device to suspend a secondary cell group (SCG);

suspending the SCG based on the first information; and

changing a configuration parameter of a master cell group (MCG);

wherein the configuration parameter is changed to a first preset value associated with suspension of the SCG, and the configuration parameter comprises at least one of an available uplink transmission time period, a maximum transmit power, or a control channel blind detection parameter.

20. The non-transitory processor-readable medium according to claim 19 , wherein the configuration parameter comprises the maximum transmit power; and wherein the instructions causing the communications apparatus to perform the changing the configuration parameter of the MCG include instructions causing the communications apparatus to perform at least one of:

determining, in response to when a sum of the maximum transmit power of the MCG and a maximum transmit power of the SCG being less than or equal to a maximum transmit power of the terminal device, the sum of the maximum transmit power of the MCG and the maximum transmit power of the SCG as the maximum transmit power of the MCG; or

determining, in response to the sum of the maximum transmit power of the MCG and the maximum transmit power of the SCG being greater than the maximum transmit power of the terminal device, the maximum transmit power of the terminal device as the maximum transmit power of the MCG.

Assignments (2)

Continuity (2)

References Cited (36)