IP Library › Granted Patent US 12,690,006
Granted Patent B2
US 12,690,006 · App. 18/477,488 · Granted Jul 21, 2026

Communication method and apparatus

Inventors: Xin Gao (Beijing, CN); Su Huang (Shanghai, CN); Jinhuan Xia (Beijing, CN)
Assignee: Huawei Technologies Co., Ltd.
H04W64/003H04L5/0035H04L5/0048
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Quick Facts
Patent No.
US 12,690,006
App. No.
18/477,488
Granted
Jul 21, 2026
Kind
B2
Abstract

Embodiments of this application disclose communication methods and apparatuses for positioning. One method includes: receiving, by a terminal device, positioning reference signal configuration information, wherein the positioning reference signal configuration information comprises at least one of a physical cell identifier or a cell global identifier, determining whether a first condition is satisfied, and in response to determining that the first condition is satisfied, determining that a positioning reference signal corresponding to the positioning reference signal configuration information is from a serving cell.

Claims (67)

1 . A communication method, applied in a terminal device or a chip thereof, wherein the method comprises:

receiving positioning reference signal configuration information, wherein the positioning reference signal configuration information comprises at least one of a physical cell identifier or a cell global identifier;

determining whether a first condition is satisfied; and

in response to determining that the first condition is satisfied, determining that a positioning reference signal corresponding to the positioning reference signal configuration information is from a serving cell, wherein the first condition comprises: one or more of the physical cell identifier, the cell global identifier, or an absolute radio frequency channel number (ARFCN) that are associated with a downlink positioning reference signal ID of the positioning reference signal are respectively same as one or more of corresponding physical cell identifier, global cell identifier, or ARFCN of the serving cell.

2 . The method according to claim 1 , wherein the first condition is satisfied when one of the following conditions are satisfied:

the positioning reference signal configuration information comprises the physical cell identifier and the physical cell identifier is same as a physical cell identifier of the serving cell;

the positioning reference signal configuration information comprises the cell global identifier and the cell global identifier is same as a cell global identifier of the serving cell;

the positioning reference signal configuration information comprises the physical cell identifier and the cell global identifier, the physical cell identifier is same as a physical cell identifier of the serving cell, and the cell global identifier is same as a cell global identifier of the serving cell;

the positioning reference signal configuration information comprises the physical cell identifier and an absolute radio frequency channel number, the physical cell identifier is same as a physical cell identifier of the serving cell, and the absolute radio frequency channel number is same as an absolute radio frequency channel number of the serving cell;

the positioning reference signal configuration information comprises the cell global identifier and an absolute radio frequency channel number, the cell global identifier is same as a cell global identifier of the serving cell, and the absolute radio frequency channel number is same as an absolute radio frequency channel number of the serving cell; or

the positioning reference signal configuration information comprises the physical cell identifier, the cell global identifier, and an absolute radio frequency channel number, the physical cell identifier is same as a physical cell identifier of the serving cell, the cell global identifier is same as a cell global identifier of the serving cell, and the absolute radio frequency channel number is same as an absolute radio frequency channel number of the serving cell.

3 . The method according to claim 1 , wherein the method further comprises:

in response to determining that the first condition is not satisfied, determining that a positioning reference signal corresponding to the positioning reference signal configuration information is from a non-serving cell.

4 . The method according to claim 3 , wherein the method further comprises:

receiving first signal configuration information, wherein the first signal configuration information comprises a physical cell identifier; and

in response to determining that the physical cell identifier comprised in the positioning reference signal configuration information is same as the physical cell identifier comprised in the first signal configuration information, and a band on which the positioning reference signal is located is same as a band on which a first signal corresponding to the first signal configuration information is located, determining that the positioning reference signal and the first signal are from a same non-serving cell.

5 . The method according to claim 1 , wherein the first signal is a synchronization signal block.

6 . The method according to claim 1 , wherein the method further comprises:

receiving first signal configuration information, wherein the first signal configuration information comprises a physical cell identifier; and

in response to determining that the physical cell identifier corresponding to the positioning reference signal is same as the physical cell identifier comprised in the first signal configuration information, determining that the positioning reference signal and a first signal corresponding to the first signal configuration information are from a same serving cell.

7 . The method according to claim 1 , wherein the method further comprises:

receiving first signal configuration information, wherein the first signal configuration information comprises a physical cell identifier; and

in response to determining that the physical cell identifier corresponding to the positioning reference signal is same as the physical cell identifier comprised in the first signal configuration information, and a band on which the positioning reference signal is located is same as a band on which a first signal corresponding to the first signal configuration information is located, determining that the positioning reference signal and the first signal are from a same serving cell.

8 . An apparatus, comprising:

at least one processor, wherein the at least one processor is configured to execute programming instructions to cause the apparatus to:

receive positioning reference signal configuration information, wherein the positioning reference signal configuration information comprises at least one of a physical cell identifier or a cell global identifier;

determine whether a first condition is satisfied; and

in response to determining that the first condition is satisfied, determine that a positioning reference signal corresponding to the positioning reference signal configuration information is from a serving cell, wherein the first condition comprises: one or more of the physical cell identifier, the cell global identifier, or an absolute radio frequency channel number (ARFCN) that are associated with a downlink positioning reference signal ID of the positioning reference signal are respectively same as one or more of corresponding physical cell identifier, global cell identifier, or ARFCN of the serving cell.

9 . The apparatus according to claim 8 , wherein the first condition is satisfied when one or more of the following conditions are satisfied:

the positioning reference signal configuration information comprises the physical cell identifier and the physical cell identifier is same as a physical cell identifier of the serving cell;

the positioning reference signal configuration information comprises the cell global identifier and the cell global identifier is same as a cell global identifier of the serving cell;

the positioning reference signal configuration information comprises the physical cell identifier and the cell global identifier, the physical cell identifier is same as a physical cell identifier of the serving cell, and the cell global identifier is same as a cell global identifier of the serving cell;

the positioning reference signal configuration information comprises the physical cell identifier and an absolute radio frequency channel number, the physical cell identifier is same as a physical cell identifier of the serving cell, and the absolute radio frequency channel number is same as an absolute radio frequency channel number of the serving cell;

the positioning reference signal configuration information comprises the cell global identifier and an absolute radio frequency channel number, the cell global identifier is same as a cell global identifier of the serving cell, and the absolute radio frequency channel number is same as an absolute radio frequency channel number of the serving cell; or

the positioning reference signal configuration information comprises the physical cell identifier, the cell global identifier, and an absolute radio frequency channel number, the physical cell identifier is same as a physical cell identifier of the serving cell, the cell global identifier is same as a cell global identifier of the serving cell, and the absolute radio frequency channel number is same as an absolute radio frequency channel number of the serving cell.

10 . The apparatus according to claim 8 , the programming instructions are for execution by the at least one processor to:

in response to determining that the first condition is not satisfied, determine that a positioning reference signal corresponding to the positioning reference signal configuration information is from a non-serving cell.

11 . The apparatus according to claim 10 , the programming instructions are for execution by the at least one processor to:

receive first signal configuration information, wherein the first signal configuration information comprises a physical cell identifier; and

in response to determining that the physical cell identifier comprised in the positioning reference signal configuration information is same as the physical cell identifier comprised in the first signal configuration information, and a band on which the positioning reference signal is located is same as a band on which a first signal corresponding to the first signal configuration information is located, determine that the positioning reference signal and the first signal are from a same non-serving cell.

12 . The apparatus according to claim 11 , wherein the first signal is a synchronization signal block.

13 . The apparatus according to claim 8 , the programming instructions are for execution by the at least one processor to:

receive first signal configuration information, wherein the first signal configuration information comprises a physical cell identifier; and

in response to determining that the physical cell identifier corresponding to the positioning reference signal is same as the physical cell identifier comprised in the first signal configuration information, determine that the positioning reference signal and a first signal corresponding to the first signal configuration information are from a same serving cell.

14 . The apparatus according to claim 8 , the programming instructions are for execution by the at least one processor to:

receive first signal configuration information, wherein the first signal configuration information comprises a physical cell identifier; and

in response to determining that the physical cell identifier corresponding to the positioning reference signal is same as the physical cell identifier comprised in the first signal configuration information, and a band on which the positioning reference signal is located is same as a band on which a first signal corresponding to the first signal configuration information is located, determine that the positioning reference signal and the first signal are from a same serving cell.

15 . A non-transitory computer-readable medium, storing computer instructions that, when executed by a terminal device, cause the terminal device to perform operations comprising:

receiving positioning reference signal configuration information, wherein the positioning reference signal configuration information comprises at least one of a physical cell identifier or a cell global identifier;

determining whether a first condition is satisfied; and

in response to determining that the first condition is satisfied, determining that a positioning reference signal corresponding to the positioning reference signal configuration information is from a serving cell, wherein the first condition comprises: one or more of the physical cell identifier, the cell global identifier, or an absolute radio frequency channel number (ARFCN) that are associated with a downlink positioning reference signal ID of the positioning reference signal are respectively same as one or more of corresponding physical cell identifier, global cell identifier, or ARFCN of the serving cell.

16 . The non-transitory computer-readable medium according to claim 15 , wherein the first condition is satisfied when one or more of the following conditions are satisfied:

the positioning reference signal configuration information comprises the physical cell identifier and the physical cell identifier is same as a physical cell identifier of the serving cell;

the positioning reference signal configuration information comprises the cell global identifier and the cell global identifier is same as a cell global identifier of the serving cell;

the positioning reference signal configuration information comprises the physical cell identifier and the cell global identifier, the physical cell identifier is same as a physical cell identifier of the serving cell, and the cell global identifier is same as a cell global identifier of the serving cell;

the positioning reference signal configuration information comprises the physical cell identifier and an absolute radio frequency channel number, the physical cell identifier is same as a physical cell identifier of the serving cell, and the absolute radio frequency channel number is same as an absolute radio frequency channel number of the serving cell;

the positioning reference signal configuration information comprises the cell global identifier and an absolute radio frequency channel number, the cell global identifier is same as a cell global identifier of the serving cell, and the absolute radio frequency channel number is same as an absolute radio frequency channel number of the serving cell; or

the positioning reference signal configuration information comprises the physical cell identifier, the cell global identifier, and an absolute radio frequency channel number, the physical cell identifier is same as a physical cell identifier of the serving cell, the cell global identifier is same as a cell global identifier of the serving cell, and the absolute radio frequency channel number is same as an absolute radio frequency channel number of the serving cell.

17 . The non-transitory computer-readable medium according to claim 15 , wherein the operations further comprising:

in response to determining that the first condition is not satisfied, determining that a positioning reference signal corresponding to the positioning reference signal configuration information is from a non-serving cell.

18 . The non-transitory computer-readable medium according to claim 17 , wherein the operations further comprising:

receiving first signal configuration information, wherein the first signal configuration information comprises a physical cell identifier; and

in response to determining that the physical cell identifier comprised in the positioning reference signal configuration information is same as the physical cell identifier comprised in the first signal configuration information, and a band on which the positioning reference signal is located is same as a band on which a first signal corresponding to the first signal configuration information is located, determining that the positioning reference signal and the first signal are from a same non-serving cell.

19 . The non-transitory computer-readable medium according to claim 18 , wherein the first signal is a synchronization signal block.

20 . The non-transitory computer-readable medium according to claim 15 , wherein the operations further comprising:

receiving, by the terminal device, first signal configuration information, wherein the first signal configuration information comprises a physical cell identifier; and

in response to determining that the physical cell identifier corresponding to the positioning reference signal is same as the physical cell identifier comprised in the first signal configuration information, determining that the positioning reference signal and a first signal corresponding to the first signal configuration information are from a same serving cell.