US-12621793-B2 - Method for direct current location processing and related device

US12621793B2US 12621793 B2US12621793 B2US 12621793B2US-12621793-B2

Abstract

This application discloses a method for direct current location processing and a related device. The method includes: determining, by a terminal, first information; and sending, by the terminal, the first information to a network device; where the first information includes at least one of the following: first indication information, where the first indication information is used to indicate the number of power amplifiers included in the terminal or indicate whether the terminal includes at least two power amplifiers; the number of direct current location groups; second indication information, where the second indication information is used to indicate whether the terminal supports a capability of adjusting a direct current location; information about direct current location algorithm; a preset list, where the preset list includes at least one group of target objects corresponding to a direct current location group, the target object being a component carrier CC or band.

Inventors

Xuanbing Liu
Xiaodong Yang

Assignees

VIVO MOBILE COMMUNICATION CO., LTD.

Dates

Publication Date: 20260505
Application Date: 20230706
Priority Date: 20210107

Claims (20)

1 . A method for direct current location processing, comprising: determining, by a terminal, first information; and sending, by the terminal, the first information to a network device; wherein the first information is used for determining a direct current location of at least one bandwidth part BWP group, and the first information comprises: information about direct current location algorithm, wherein the information about direct current location algorithm is used to indicate at least one of the following: determining a direct current location based on a first component carrier CC, wherein the first CC comprises a CC with lowest frequency and a CC with highest frequency in configured CCs; determining a direct current location based on a second CC: determining a direct current location based on a first BWP, wherein the first BWP comprises an active BWP in a second CC; and determining a direct current location based on a second BWP, wherein the second BWP comprises a configured BWP in a second CC; wherein the second CC comprises a CC with highest frequency and a CC with lowest frequency in active CCs.
2 . The method according to claim 1 , wherein the step of sending, by the terminal, the first information to a network device comprises: sending, by the terminal, the first information to the network device according to protocol specification or a first report request from the network device.
3 . The method according to claim 2 , wherein the first report request is used to request the terminal to report at least one of the following: first indication information, wherein the first indication information is used to indicate the number of power amplifiers comprised in the terminal or indicate whether the terminal comprises at least two power amplifiers; the number of direct current location groups; second indication information, wherein the second indication information is used to indicate whether the terminal supports a capability of adjusting a direct current location; information about direct current location algorithm; a preset list, wherein the preset list comprises at least one group of target objects corresponding to a direct current location group, the target object being a component carrier CC or band; and a band range for direct current location reporting.
4 . The method according to claim 2 , wherein the first report request comprises a supplementary uplink report request.
5 . The method according to claim 1 , wherein before the step of determining, by a terminal, first information, the method further comprises: sending, by the terminal, second information to the network device according to protocol specification or a second report request from the network device; wherein the second information comprises at least one of the following: first indication information, wherein the first indication information is used to indicate the number of power amplifiers comprised in the terminal or indicate whether the terminal comprises at least two power amplifiers; the number of direct current location groups; second indication information, wherein the second indication information is used to indicate whether the terminal supports a capability of adjusting a direct current location; information about direct current location algorithm; a preset list, wherein the preset list comprises at least one group of target objects corresponding to a direct current location group, the target object being a component carrier CC or band; information about a BWP in which a direct current location is located; third indication information, wherein the third indication information is used to indicate a direct current location in a BWP; and an index identifier of a BWP group corresponding to a direct current location in a BWP.
6 . The method according to claim 1 , wherein the first information further comprises at least one of the following: first indication information, wherein the first indication information is used to indicate the number of power amplifiers comprised in the terminal or indicate whether the terminal comprises at least two power amplifiers; the number of direct current location groups; second indication information, wherein the second indication information is used to indicate whether the terminal supports a capability of adjusting a direct current location; a preset list, wherein the preset list comprises at least one group of target objects corresponding to a direct current location group, the target object being a CC or band; and direct current location information, wherein the direct current location information comprises an index identifier of a BWP group corresponding to a direct current location.
7 . The method according to claim 6 , wherein the direct current location information further comprises at least one of the following: information about a BWP in which a direct current location is located; and third indication information, wherein the third indication information is used to indicate a direct current location in a BWP.
8 . The method according to claim 7 , wherein the direct current location information satisfies any one of the following: being determined based on a possible direct current location in a configured or active BWP; and being determined based on a direct current location within a BWP range of a BWP group.
9 . The method according to claim 7 , wherein the information about a BWP in which a direct current location is located is indicated by a Bool variable or bitmap.
10 . The method according to claim 7 , wherein in a case that the third indication information indicates that a target BWP comprises at least two direct current locations, the at least two direct current locations satisfy that: a first direct current location is indicated by an absolute location or a first offset value, wherein the first offset value indicates an offset of the first direct current location relative to a start point of the target BWP; and a second direct current location is indicated by a second offset value, wherein the second offset value indicates an offset of the second direct current location relative to a previous adjacent direct current location; wherein the first direct current location is a direct current location closest to the start point of the target BWP in the at least two direct current locations, and the second direct current location is any one of direct current locations after the first direct current location.
11 . The method according to claim 6 , wherein the index identifier of the BWP group corresponding to the direct current location is arranged in a preset group order, and the preset group order is specified in a protocol or indicated by the network device.
12 . A method for direct current location processing, comprising: receiving, by a network device, first information from a terminal; and determining, by the network device, a direct current location of at least one bandwidth part BWP group based on the first information; wherein the first information comprises: information about direct current location algorithm, wherein the information about direct current location algorithm is used to indicate at least one of the following: determining a direct current location based on a first component carrier CC, wherein the first CC comprises a CC with lowest frequency and a CC with highest frequency in configured CCs; determining a direct current location based on a second CC: determining a direct current location based on a first BWP, wherein the first BWP comprises an active BWP in a second CC; and determining a direct current location based on a second BWP, wherein the second BWP comprises a configured BWP in a second CC; wherein the second CC comprises a CC with highest frequency and a CC with lowest frequency in active CCs.
13 . The method according to claim 12 , wherein before the step of receiving, by a network device, first information from a terminal, the method further comprises: sending, by the network device, a first report request to the terminal, wherein the first report request is used to request the terminal to send the first information to the network device.
14 . The method according to claim 13 , wherein the first report request is used to request the terminal to report at least one of the following: first indication information, wherein the first indication information is used to indicate the number of power amplifiers comprised in the terminal or indicate whether the terminal comprises at least two power amplifiers; the number of direct current location groups; second indication information, wherein the second indication information is used to indicate whether the terminal supports a capability of adjusting a direct current location; information about direct current location algorithm; a preset list, wherein the preset list comprises at least one group of target objects corresponding to a direct current location group, the target object being a component carrier CC or band; and a band range for direct current location reporting, wherein the first report request comprises a supplementary uplink report request.
15 . The method according to claim 14 , wherein the direct current location information further comprises at least one of the following: information about a BWP in which a direct current location is located; and third indication information, wherein the third indication information is used to indicate a direct current location in a BWP.
16 . The method according to claim 15 , wherein the direct current location information satisfies any one of the following: being determined based on a possible direct current location in a configured or active BWP; and being determined based on a direct current location within a BWP range of a BWP group; or wherein the information about a BWP in which a direct current location is located is indicated by a Bool variable or bitmap; or wherein in a case that the third indication information indicates that a target BWP comprises at least two direct current locations, the at least two direct current locations satisfy that: a first direct current location is indicated by an absolute location or a first offset value, wherein the first offset value indicates an offset of the first direct current location relative to a start point of the target BWP; and a second direct current location is indicated by a second offset value, wherein the second offset value indicates an offset of the second direct current location relative to a previous adjacent direct current location; wherein the first direct current location is a direct current location closest to the start point of the target BWP in the at least two direct current locations, and the second direct current location is any one of direct current locations after the first direct current location.
17 . The method according to claim 14 , wherein the index identifier of the BWP group corresponding to the direct current location is arranged in a preset group order, and the preset group order is specified in a protocol or indicated by the network device.
18 . A terminal, comprising: at least one hardware processor and memory storing program instructions executable by the at least one hardware processor that, when executed by the at least one hardware processor, direct the at least one hardware processor to perform: determining first information; and sending the first information to a network device; wherein the first information is used for determining a direct current location of at least one bandwidth part BWP group, and the first information comprises: information about direct current location algorithm, wherein the information about direct current location algorithm is used to indicate at least one of the following: determining a direct current location based on a first component carrier CC, wherein the first CC comprises a CC with lowest frequency and a CC with highest frequency in configured CCs; determining a direct current location based on a second CC; determining a direct current location based on a first BWP, wherein the first BWP comprises an active BWP in a second CC; and determining a direct current location based on a second BWP, wherein the second BWP comprises a configured BWP in a second CC; wherein the second CC comprises a CC with highest frequency and a CC with lowest frequency in active CCs.
19 . The terminal according to claim 18 , wherein the step of sending the first information to a network device comprises: sending the first information to the network device according to protocol specification or a first report request from the network device.
20 . The terminal according to claim 19 , wherein the first report request is used to request the terminal to report at least one of the following: first indication information, wherein the first indication information is used to indicate the number of power amplifiers comprised in the terminal or indicate whether the terminal comprises at least two power amplifiers; the number of direct current location groups; second indication information, wherein the second indication information is used to indicate whether the terminal supports a capability of adjusting a direct current location; information about direct current location algorithm; a preset list, wherein the preset list comprises at least one group of target objects corresponding to a direct current location group, the target object being a component carrier CC or band; and a band range for direct current location reporting.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation application of PCT International Application No. PCT/CN2021/143668 filed on Dec. 31, 2021, which claims priority to Chinese Patent Application No. 202110020056.3, filed in China on Jan. 7, 2021, which are incorporated herein by reference in their entireties. TECHNICAL FIELD This application pertains to the field of communication technologies, and in particular relates to a method for direct current location processing and a related device. BACKGROUND In communication systems, in order to assist network devices in solving interference problems caused by carrier leakage, terminals can report direct current locations (DC location) to network devices. In the prior art, terminals directly report possible direct current locations in most cases. For example, for one component carrier (CC), multiple bandwidth parts (BWP) may be included, and a direct current location corresponding to any BWP group needs to be reported. Therefore, reported direct current location information usually includes CC information, BWP information, and direct current location, which will result in large signaling overheads for direct current location reporting. SUMMARY According to a first aspect, a method for direct current location processing is provided and includes: determining, by a terminal, first information; andsending, by the terminal, the first information to a network device; wherethe first information is used for determining a direct current location of at least one bandwidth part BWP group, and the first information includes at least one of the following:first indication information, where the first indication information is used to indicate the number of power amplifiers included in the terminal or indicate whether the terminal includes at least two power amplifiers;the number of direct current location groups;second indication information, where the second indication information is used to indicate whether the terminal supports a capability of adjusting a direct current location;information about direct current location algorithm;a preset list, where the preset list includes at least one group of target objects corresponding to a direct current location group, the target object being a component carrier CC or band; anddirect current location information, where the direct current location information includes an index identifier of a BWP group corresponding to a direct current location. According to a second aspect, a method for direct current location processing is provided and includes: receiving, by a network device, first information from a terminal; anddetermining, by the network device, a direct current location of at least one bandwidth part BWP group based on the first information; wherethe first information includes at least one of the following:first indication information, where the first indication information is used to indicate the number of power amplifiers included in the terminal or indicate whether the terminal includes at least two power amplifiers;the number of direct current location groups;second indication information, where the second indication information is used to indicate whether the terminal supports a capability of adjusting a direct current location;information about direct current location algorithm;a preset list, where the preset list includes at least one group of target objects corresponding to a direct current location group, the target object being a component carrier CC or band; anddirect current location information, where the direct current location information includes an index identifier of a BWP group corresponding to a direct current location. According to a third aspect, an apparatus for direct current location processing is provided and includes: a first determining module configured for a terminal to determine first information; anda sending module configured for the terminal to send the first information to a network device; wherethe first information is used for determining a direct current location of at least one bandwidth part BWP group, and the first information includes at least one of the following:first indication information, where the first indication information is used to indicate the number of power amplifiers included in the terminal or indicate whether the terminal includes at least two power amplifiers;the number of direct current location groups;second indication information, where the second indication information is used to indicate whether the terminal supports a capability of adjusting a direct current location;information about direct current location algorithm;a preset list, where the preset list includes at least one group of target objects corresponding to a direct current location group, the target object being a component carrier CC or band; anddirect current location information, where the direct current location information includes an index identifier of a BWP group correspon