CN-122029910-A - Data scheduling method, terminal, network device and storage medium

CN122029910ACN 122029910 ACN122029910 ACN 122029910ACN-122029910-A

Abstract

The disclosure relates to the technical field of communication, in particular to a data scheduling method, a terminal, network equipment and a storage medium, wherein the data scheduling method comprises the steps of determining a time domain deviation value, wherein the time domain deviation value is used for determining a time domain position of a first resource, and the first resource is used for uplink transmission and/or downlink transmission in multi-carrier scheduling of satellite communication.

Inventors

JI PENGYU
LIU MIN

Assignees

北京小米移动软件有限公司

Dates

Publication Date: 20260512
Application Date: 20240909

Claims (20)

A data scheduling method, performed by a terminal, the method comprising: And determining a time domain deviation value, wherein the time domain deviation value is used for determining a time domain position of a first resource, and the first resource is used for uplink transmission and/or downlink transmission in multi-carrier scheduling of satellite communication.
The method according to claim 1, wherein the method further comprises: Receiving first information from a first cell, the first information being used for scheduling a first uplink transmission and/or a first downlink transmission, the first uplink transmission comprising an uplink transmission on a second cell, the first downlink transmission comprising a downlink transmission of the second cell; And receiving the first downlink transmission or sending the first uplink transmission based on the time domain deviation value.
The method of claim 2, wherein the time domain offset value is used to indicate at least one of: The first time domain deviation value of the first cell is used for compensating partial time delay of the first cell; A second time domain offset value of the second cell, the second time domain offset value being used to compensate for a partial delay of the second cell; The first time domain offset value is used for compensating the partial time delay of the first cell and the second time domain offset value is used for compensating the partial time delay of the second cell.
A method according to any one of claims 1-3, wherein the first resource is determined based on the time domain offset value and a first parameter comprising a subcarrier spacing of a first cell and/or a subcarrier spacing of a second cell.
The method of claim 2, wherein the first resource comprises a first downlink resource for a first downlink transmission, the first downlink resource being determined based on a time domain location where first information is located, a time domain interval of the first downlink resource indicated by the first information and the first information, and a difference between the first time domain offset value and the second time domain offset value.
The method of claim 5, wherein the time domain location of the first downlink resource is determined by the following equation: Wherein n is used for indicating the time domain position where the first information is located, and K0 is used for indicating the time domain interval between the first downlink resource indicated in the first information and the first information; A subcarrier spacing for indicating the second cell; For indicating a subcarrier spacing of the first cell, K offset,i for indicating the first time domain offset value, and K offset,j for indicating the second time domain offset value.
The method according to claim 5 or6, characterized in that the method further comprises: Determining the latest downlink resource from the first downlink resource; And determining a time domain position of a second uplink resource based on the time domain position of the latest downlink resource, wherein the second uplink resource is used for sending second uplink transmission on the first cell, and the second uplink transmission is used for sending feedback information for the first downlink transmission.
The method of claim 7, wherein the time domain location of the second uplink resource is determined based on a time domain location of a latest downlink resource, a time domain interval between a first downlink resource and the second uplink resource indicated in the first information, a time domain offset value of a second cell in which the latest downlink resource is located, and a difference between the first time domain offset value and the second time domain offset value.
The method of claim 8, wherein the second uplink resource is determined by the following equation: Wherein n1 is used to indicate the time domain position of the latest downlink resource, The method comprises the steps of switching a subcarrier interval to a subcarrier interval of a cell where the latest downlink resource is located, wherein K1 is used for indicating a time domain interval between a first downlink resource and the second uplink resource indicated in the first information, K offset,lastest is used for indicating a time domain deviation value of the second cell where the latest downlink resource is located, and K offset,i is used for indicating the time domain deviation value of the first cell.
The method according to any of claims 7-9, wherein determining the latest downlink resource from the first downlink resources comprises: Determining a second cell needing to be fed back from the second cells; and determining the latest downlink resource from the second cell needing feedback.
The method according to any of claims 7-9, wherein determining the latest downlink resource from the first downlink resources comprises: determining downlink transmission needing feedback from the first downlink transmission; And determining the latest downlink resource from the downlink transmission needing feedback.
The method of any one of claims 1-11, wherein the time domain offset value further comprises: A third time domain deviation value of a first cell group where the first cell is located, wherein the third time domain deviation value is used for compensating partial time delay of each cell in the first cell group; And/or a fourth time domain deviation value of a second cell group where the second cell is located, where the fourth time domain deviation value is used to compensate for part of time delay of each cell in the second cell group.
The method according to claim 12, wherein the method further comprises: A third time domain offset value configured or updated for the first cell group is received on the first cell.
The method of claim 12, wherein a difference in time domain offset values for each cell in the same cell group is less than or equal to a time domain threshold.
The method of claim 12, wherein the time domain location of the first resource is determined based on the third time domain offset value and the fourth time domain offset value in the case where the first information includes downlink control information in a first data format, wherein the first data format is used to indicate that multicarrier scheduling is employed.
The method of claim 15, wherein the second uplink resource is based on a time domain position of a latest downlink resource, a time domain interval between a first downlink resource and the second uplink resource indicated in the first information, and a fourth time domain offset value of a second cell group where a second cell where the latest downlink resource is located.
The method of claim 16, wherein the second uplink resource is determined by the formula n1+K offset,latest +K 1 Wherein n1 is used for indicating a time domain position of the latest downlink resource, K1 is used for indicating an interval between the latest downlink resource indicated in the first information and the second uplink resource, and K offset,latest is used for indicating a fourth time domain offset value of a second cell group where the second cell where the latest downlink resource is located.
A method of data scheduling performed by a network device, the method comprising: And determining a time domain deviation value, wherein the time domain deviation value is used for determining a time domain position of a first resource, and the first resource is used for uplink transmission and/or downlink transmission in multi-carrier scheduling of satellite communication.
The method of claim 18, wherein the method further comprises: Transmitting first information from a first cell, wherein the first information is used for scheduling first uplink transmission and/or first downlink transmission, the first uplink transmission is uplink transmission on a second cell, and the first downlink transmission is downlink transmission of the second cell; and sending the first downlink transmission or receiving the first uplink transmission based on the time domain deviation value.
The method of claim 19, wherein the time domain offset value is used to indicate at least one of: The first time domain deviation value of the first cell is used for compensating partial time delay of the first cell; A second time domain offset value of the second cell, the second time domain offset value being used to compensate for a partial delay of the second cell; The first time domain offset value is used for compensating the partial time delay of the first cell and the second time domain offset value is used for compensating the partial time delay of the second cell.

Description

Data scheduling method, terminal, network device and storage medium Technical Field The present disclosure relates to the field of communications technologies, and in particular, to a data scheduling method, a terminal, a network device, and a storage medium. Background Due to the large transmission delay in the satellite network, when the network device initiates data scheduling to the terminal, a synchronization problem may occur due to too long Round-Trip Time (RTT). Disclosure of Invention The embodiment of the disclosure provides a data scheduling method, a terminal, network equipment and a storage medium, so as to solve the technical problem of synchronization caused by larger transmission delay in a satellite network in the related art. According to a first aspect of an embodiment of the present disclosure, a data scheduling method is provided, which is executed by a terminal, and the method includes determining a time domain offset value, where the time domain offset value is used to determine a time domain position of a first resource, where the first resource is used for uplink transmission and/or downlink transmission in multi-carrier scheduling of satellite communication. According to a second aspect of embodiments of the present disclosure, a data scheduling method is proposed, which is performed by a network device, the method comprising determining a time domain offset value, the time domain offset value being used for determining a time domain position of a first resource, the first resource being used for uplink and/or downlink transmissions in a multi-carrier scheduling of satellite communications. According to a third aspect of embodiments of the present disclosure, a data scheduling apparatus is provided, the apparatus comprising a processing module configured to determine a time domain offset value, where the time domain offset value is used to determine a time domain position of a first resource, where the first resource is used for uplink transmission and/or downlink transmission in multicarrier scheduling for satellite communications. According to a fourth aspect of an embodiment of the present disclosure, a data scheduling apparatus is provided, which includes a processing module configured to determine a time domain offset value, where the time domain offset value is used to determine a time domain position of a first resource, where the first resource is used for uplink transmission and/or downlink transmission in multicarrier scheduling for satellite communications. According to a fifth aspect of embodiments of the present disclosure, a terminal is provided, comprising one or more processors, and a memory coupled to the processors, the memory having stored thereon executable instructions that, when executed by the processors, cause the terminal to perform the data scheduling method of the first aspect described above. According to a sixth aspect of embodiments of the present disclosure, a network device is provided, including one or more processors, and a memory coupled to the processors, the memory having stored thereon executable instructions that, when executed by the processors, cause the network device to perform the data scheduling method of the second aspect described above. According to a seventh aspect of the embodiments of the present disclosure, a communication system is provided, including a terminal configured to implement the data scheduling method described in the first aspect, and a network device configured to implement the data scheduling method described in the second aspect. According to an eighth aspect of embodiments of the present disclosure, there is provided a storage medium storing instructions that, when executed on a communication device, cause the communication device to perform the data scheduling method according to the first or second aspect above According to the embodiment of the disclosure, by configuring the corresponding time domain offset value for each cell in satellite communication, when multi-carrier scheduling is performed, time delay possibly generated by scheduled uplink transmission and/or downlink transmission can be compensated based on the time domain offset value, so that the time domain position of the resource in the scheduled uplink transmission and/or downlink transmission can be accurately obtained. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art. Fig. 1 is a schematic architecture diagram of a communication system shown in accordance with an embodiment of the present disclosure. Fig. 2 is an interactive schematic diagram il