Granted Patent B2

US 12,634,061 · App. 17/753,473 · Granted May 19, 2026

Inventors: Yu Pan (Shenzhen, CN); Chuangxin Jiang (Shenzhen, CN); Zhaohua Lu (Shenzhen, CN); Bo Gao (Shenzhen, CN); Shujuan Zhang (Shenzhen, CN); Zhen He (Shenzhen, CN)

Assignee: ZTE Corporation

H04L5/0044H04W72/046H04W72/23

Abstract

Claims (56)

1 . An indication method, performed by a base station, comprising:

configuring one or more spatial parameter information sets, wherein each of the one or more spatial parameter information sets is used for a user equipment to update spatial parameter of at least one of a physical channel or a physical signal at different transmission times, and each of the one or more spatial parameter information sets comprises a transmission configuration indicator (TCI) state set or a spatial relation information set; and

sending the one or more spatial parameter information sets to the user equipment;

wherein the spatial parameter of at least one of the physical channel or the physical signal is determined by the user equipment according to:

an initial position which is used for determining an initial spatial parameter of the initial position in one spatial parameter information set of the one or more spatial parameter information sets; and,

a time interval which is used for determining an update time interval of the spatial parameter in the one spatial parameter information set;

wherein the indication method further comprises:

configuring high layer signaling, wherein the one spatial parameter information set is selected by the user equipment through the high layer signaling, and a spatial parameter corresponding to each of the different transmission times determined by the user equipment from the one selected spatial parameter information set according to the time interval and the initial position; and

wherein in response to the one spatial parameter information set being the spatial relation information set, and the spatial parameter being spatial relation information, configuring the high layer signaling comprises:

configuring third higher layer signaling and fourth higher layer signaling, wherein the update time interval and at least two spatial relation information sets are selected by the user equipment through the third higher layer signaling; one spatial relation information set is selected from the at least two spatial relation information sets by the user equipment through the fourth higher layer signaling; and spatial relation information corresponding to each of the different transmission times is determined by the user equipment from the one selected spatial relation information set according to the update time interval and the initial position.

2 . The indication method of claim 1 , wherein configuring the high layer signaling further comprises:

configuring first high layer signaling, wherein the time interval is configured by the first high layer signaling, and the time interval comprises a fixed time interval or a time interval set.

3 . The indication method of claim 1 , wherein configuring the high layer signaling further comprises:

configuring second high layer signaling, wherein the initial position is configured by the second high layer signaling.

4 . The indication method of claim 1 , wherein in a case where a downlink channel and an uplink channel satisfy a channel reciprocity, the indication method further comprises:

configuring a spatial parameter for a physical downlink shared channel (PDSCH), wherein the spatial parameter configured for the PDSCH is associated with the following configuration information: a source reference signal, wherein the source reference signal is a reference signal of a first quasi-co-location (QCL) type corresponding to a target downlink signal or a target downlink channel.

5 . A non-transitory computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, causes the processor to perform the indication method according to claim 1 .

6 . The indication method of claim 1 , wherein the spatial parameter of at least one of the physical channel or the physical signal is further determined by the user equipment according to:

a mapping relationship between the spatial parameter and the time interval, wherein the spatial parameter comprises one of: quasi-co-address reference signal information, spatial relation information or spatial filter information, wherein the mapping relationship comprises one or more update intervals of the spatial parameter in the spatial parameter information set.

7 . The indication method of claim 6 , wherein the indication method further comprises:

the one spatial parameter information set of the one or more spatial parameter information sets being used for triggering the user equipment to sequentially update at least one of the spatial parameter of the physical channel or sequentially update the spatial parameter of the physical signal according to the initial position and the mapping relationship between the spatial parameter and the time interval.

8 . An indication method, performed by a user equipment, comprising:

receiving one or more spatial parameter information sets configured by a base station, wherein each of the one or more spatial parameter information sets comprises a transmission configuration indicator (TCI) state set or a spatial relation information set; and

updating a spatial parameter of at least one of a physical channel or a physical signal at different transmission times according to the one or more spatial parameter information sets;

wherein the spatial parameter of at least one of the physical channel or the physical signal is determined by the user equipment according to:

an initial position which is used for determining an initial spatial parameter of the initial position in one spatial parameter information set of the one or more spatial parameter information sets; and,

a time interval which is used for determining an update time interval of the spatial parameter in the one spatial parameter information set;

wherein the indication method further comprises:

receiving high layer signaling configured by the base station;

selecting the one spatial parameter information set through the high layer signaling; and

determining a spatial parameter corresponding to each of the different transmission times from the one selected spatial parameter information set according to the time interval and the initial position; and

wherein in response to the one spatial parameter information set being the spatial relation information set, and the spatial parameter being spatial relation information, receiving the high layer signaling configured by the base station comprises receiving third higher layer signaling and fourth higher layer signaling configured by the base station,

selecting the one spatial parameter information set through the high layer signaling comprises selecting the update time interval and at least two spatial relation information sets through the third higher layer signaling, and selecting one spatial relation information set from the at least two spatial relation information sets through the fourth higher layer signaling;

determining the spatial parameter corresponding to each of the different transmission times from the one selected spatial parameter information set according to the time interval and the initial position comprises determining spatial relation information corresponding to each of the different transmission times from the one selected spatial relation information set according to the update time interval and the initial position, and

updating the spatial parameter of at least one of the physical channel or the physical signal at the different transmission times according to the one or more spatial parameter information sets comprises updating the spatial relation information of at least one of the physical channel or the physical signal at the different transmission times according to the determined spatial relation information corresponding to each of the different transmission times.

9 . The indication method of claim 8 , wherein in a case where a downlink channel and an uplink channel satisfy a channel reciprocity, the indication method further comprises:

receiving a spatial parameter configured by the base station, wherein the spatial parameter configured by the base station is associated with the following configuration information: a source reference signal, and the source reference signal is a reference signal of a first quasi-co-location (QCL) type corresponding to a target downlink signal or a target downlink channel; and

determining a first reference signal according to the source reference signal, wherein spatial parameter information of the uplink channel or a uplink signal is same as spatial parameter information of the first reference signal.

10 . An indication apparatus, comprising a processor and a memory for storing execution instructions that when executed by the processor cause the processor to perform the indication method of claim 8 .

11 . The indication apparatus of claim 10 , wherein the execution instructions that when executed by the processor cause the processor to further receive a spatial parameter configured by the base station, wherein the spatial parameter configured by the base station the following configuration information: a source reference signal, and the source reference signal is a reference signal of a first quasi-co-location (QCL) type corresponding to a target downlink signal or a target downlink channel; and determine a first reference signal according to the source reference signal, wherein spatial parameter information of the uplink channel or a uplink signal is same as spatial parameter information of the first reference signal.

12 . A non-transitory computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, causes the processor to perform the indication method according to claim 8 .

13 . An indication apparatus, comprising a processor and a memory for storing execution instructions that when executed by the processor cause the processor to configure one or more spatial parameter information sets,

wherein each of the one or more spatial parameter information sets is used for a user equipment to update a spatial parameter of at least one of a physical channel or a physical signal at different transmission times, and each of the one or more the spatial parameter information sets comprises a transmission configuration indicator (TCI) state set or a spatial relation information set; and when executed by the processor cause the processor to send the one or more spatial parameter information sets to the user equipment;

wherein the spatial parameter of at least one of the physical channel or the physical signal is determined by the user equipment according to:

an initial position which is used for determining an initial spatial parameter of the initial position in one spatial parameter information set of the one or more spatial parameter information sets; and,

a time interval which is used for determining an update time interval of the spatial parameter in the one spatial parameter information set;

wherein the execution instructions that when executed by the processor cause the processor to further configure high layer signaling,

wherein the one spatial parameter information set is selected by the user equipment through the high layer signaling, and a spatial parameter corresponding to each of the different transmission times is determined by the user equipment from the one selected spatial parameter information set according to the time interval and the initial position; and

wherein in response to the one spatial parameter information set being the spatial relation information set, and the spatial parameter being spatial relation information, the execution instructions that when executed by the processor cause the processor to further configure third higher layer signaling and fourth higher layer signaling, wherein the update time interval and at least two spatial relation information sets are selected by the user equipment through the third higher layer signaling; one spatial relation information set is selected from the at least two spatial relation information sets by the user equipment through the fourth higher layer signaling; and spatial relation information corresponding to each of the different transmission times is determined by the user equipment from the one selected spatial relation information set according to the update time interval and the initial position.

14 . The indication apparatus of claim 13 , wherein the execution instructions that when executed by the processor cause the processor to further configure first high layer signaling, the time interval is configured by the first high layer signaling, and the time interval comprises a fixed time interval or a time interval set.

15 . The indication apparatus of claim 13 , wherein the execution instructions that when executed by the processor cause the processor to further configure second high layer signaling, the initial position is configured by the second high layer signaling.

16 . The indication apparatus of claim 13 , wherein in a case where a downlink channel and an uplink channel satisfy a channel reciprocity, the processor is further configured to configure a spatial parameter for a physical downlink shared channel (PDSCH),

wherein the spatial parameter configured for the PDSCH is associated with the following configuration information: a source reference signal, wherein the source reference signal is a reference signal of a first quasi-co-location (QCL) type corresponding to a target downlink signal or a target downlink channel.

17 . The indication apparatus of claim 13 , wherein the spatial parameter of at least one of the physical channel or the physical signal is further determined by the user equipment according to:

a mapping relationship between the spatial parameter and the time interval, wherein the spatial parameter comprises one of: quasi-co-address reference signal information, spatial relation information or spatial filter information, wherein the mapping relationship comprises one or more update intervals of the spatial parameter in the spatial parameter information set.

18 . The indication apparatus of claim 17 , wherein the one spatial parameter information set of the one or more spatial parameter information sets being used for triggering the user equipment to sequentially update at least one of the spatial parameter of the physical channel or sequentially update the spatial parameter of the physical signal according to the initial position and the mapping relationship between the spatial parameter and the time interval.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (25)