EP-4742790-A1 - METHOD AND APPARATUS FOR DETERMINING TIME DOMAIN POSITION, DEVICE, AND MEDIUM

EP4742790A1EP 4742790 A1EP4742790 A1EP 4742790A1EP-4742790-A1

Abstract

The present application relates to the field of communications, and discloses a method and apparatus for determining a time domain position, a device, and a medium. The method comprises: receiving first configuration information, the first configuration information being used for determining a time domain position of a first uplink sub-band. The time domain position of the first uplink sub-band is determined on the basis of at least one of the following: a first period, a first sub-carrier interval, a first time domain range, a reference time unit group, first time domain position information, and second time domain position information. The time domain position of the first uplink sub-band can be determined by means of the first configuration information, so that both a receiver and a sender of the first configuration information can determine the time domain positions of the first uplink sub-band used for uplink transmission, thus improving the communication efficiency and reliability in a communication system.

Inventors

ZHANG, YI
XU, JING

Assignees

GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Dates

Publication Date: 20260513
Application Date: 20231109

Claims (20)

A method for determining time-domain positions, performed by a User Equipment (UE), the method comprising: receiving first configuration information, the first configuration information being used to determine time-domain positions of a first uplink subband, wherein the time-domain positions of the first uplink subband are determined according to at least one of: a first period, a first subcarrier spacing, a first time-domain range, a reference time unit group, first time-domain position information, or second time-domain position information.
The method of claim 1, wherein the first configuration information is used to determine the time-domain positions of the first uplink subband within the first period.
The method of claim 1 or 2, wherein the first period is determined according to a first Time Division Duplex (TDD) uplink-downlink transmission period, or the first period is determined according to the first TDD uplink-downlink transmission period and a first parameter X, X being an integer greater than 1.
The method of claim 3, wherein the first period is the first TDD uplink-downlink transmission period, or the first period is X times the first TDD uplink-downlink transmission period.
The method of claim 1 or 2, wherein the first period is determined according to a first TDD uplink-downlink transmission period and a second TDD uplink-downlink transmission period, or the first period is determined according to the first TDD uplink-downlink transmission period, the second TDD uplink-downlink transmission period and a second parameter Y, Y being an integer greater than 1.
The method of claim 5, wherein the first period is a sum of the first TDD uplink-downlink transmission period and the second TDD uplink-downlink transmission period, or the first period comprises Y times the sum of the first TDD uplink-downlink transmission period and the second TDD uplink-downlink transmission period.
The method of any one of claims 3 to 6, wherein the first TDD uplink-downlink transmission period and/or the second TDD uplink-downlink transmission period are configured by first signaling, the first signaling being used to configure TDD uplink and downlink common parameters.
The method of any one of claims 1 to 7, wherein the first period is configured by the first configuration information, or the first period is agreed by a communication protocol.
The method of any one of claims 1 to 8, wherein the first period satisfies at least one of: the UE expects the first period to be divisible by 20 ms; the UE expects the first period to be an integer multiple of a first TDD uplink-downlink transmission period; or the UE expects the first period to be an integer multiple of a sum of the first TDD uplink-downlink transmission period and a second TDD uplink-downlink transmission period.
The method of any one of claims 1 to 9, wherein the first subcarrier spacing is less than or equal to a second subcarrier spacing, wherein the second subcarrier spacing is configured by first signaling, and the first signaling is used to configure TDD uplink and downlink common parameters.
The method of any one of claims 1 to 9, wherein the first subcarrier spacing is less than or equal to a subcarrier spacing of a first Bandwidth Portion (BWP), wherein the first BWP comprises: any uplink BWP on a first carrier, and/or any downlink BWP on the first carrier, the first carrier being a carrier on which the first uplink subband is located.
The method according to any one of claims 1 to 11, wherein the first subcarrier spacing is configured by the first configuration information, or the first subcarrier spacing is agreed by a communication protocol.
The method of any one of claims 1 to 12, wherein the first configuration information is used to determine the time-domain positions of the first uplink subband within the first time-domain range in the first period.
The method of any one of claims 1 to 13, wherein the first time-domain position information comprises at least one of: a first start indication value for indicating a start reference time unit group of the first uplink subband within the first time-domain range; a first length indication value for indicating a number of reference time unit groups of the first uplink subband within the first time-domain range; or a first end indication value for indicating an end reference time unit group of the first uplink subband within the first time-domain range.
The method of claim 14, wherein the first start indication value is agreed by a communication protocol, and the first length indication value is configured by the first configuration information; or the first start indication value is configured by the first configuration information, and the first length indication value is agreed by the communication protocol; or the first start indication value and the first length indication value are configured by the first configuration information; or, the first end indication value is agreed by the communication protocol, and the first length indication value is configured by the first configuration information; or the first end indication value is configured by the first configuration information, and the first length indication value is agreed by the communication protocol; or, the first end indication value and the first length indication value are configured by the first configuration information.
The method of any one of claims 1 to 13, wherein the second time-domain position information comprises a first bitmap, the time-domain positions of the first uplink subband within the first time-domain range in the first period are determined according to the first bitmap, and each reference time unit group within the first time-domain range is in one-to-one correspondence with a respective bit in the first bitmap.
The method of claim 16, wherein a number of bits in the first bitmap is agreed by a communication protocol, or configured by the first configuration information.
The method of claim 16 or 17, wherein a number of time-domain units within one reference time unit group within the first time-domain range is determined according to a length of the first time-domain range and a number of bits in the first bitmap.
The method of claim 16, 17 or 18, wherein a number of time-domain units within one reference time unit group within the first time-domain range is determined according to a quotient of a length of the first time-domain range and a number of bits in the first bitmap.
The method of claim 16, wherein a number of bits in the first bitmap is determined based on a length of the first time-domain range and a number of time-domain units within the reference time unit group.

Description

TECHNICAL FIELD The disclosure relates to the field of communications, and more particularly to, a method and apparatus for determining time-domain positions, a device and a medium. BACKGROUND When uplink transmission in a single carrier only occurs in some subbands, there is no feasible solution on how to determine time-domain positions of an uplink subband used for uplink transmission. SUMMARY Embodiments of the disclosure provide a method and apparatus for determining time-domain positions, a device, and a medium. The technical solutions are as follows. According to an aspect of the disclosure, there is provided a method for determining time-domain positions, performed by a terminal device, the method including an operation as follows. First configuration information is received, the first configuration information being used to determine time-domain positions of a first uplink subband. Herein, the time-domain positions of the first uplink subband are determined according to at least one of: a first period, a first subcarrier spacing, a first time-domain range, a reference time unit group, first time-domain position information, or second time-domain position information. According to an aspect of the disclosure, there is provided a method for determining time-domain positions, performed by a network device, the method including an operation as follows. First configuration information is sent, the first configuration information being used to determine time-domain positions of a first uplink subband. Herein, the time-domain positions of the first uplink subband are determined according to at least one of: a first period, a first subcarrier spacing, a first time-domain range, a reference time unit group, first time-domain position information, or second time-domain position information. According to an aspect of the disclosure, there is provided an apparatus for determining time-domain positions, including a receiving module. The receiving module is configured to receive first configuration information, the first configuration information being used to determine time-domain positions of a first uplink subband. Herein, the time-domain positions of the first uplink subband are determined according to at least one of: a first period, a first subcarrier spacing, a first time-domain range, a reference time unit group, first time-domain position information, or second time-domain position information. According to an aspect of the disclosure, there is provided an apparatus for determining time-domain positions, including a sending module. The sending module is configured to send first configuration information, the first configuration information being used to determine time-domain positions of a first uplink subband. Herein, the time-domain positions of the first uplink subband are determined according to at least one of: a first period, a first subcarrier spacing, a first time-domain range, a reference time unit group, first time-domain position information, or second time-domain position information. According to an aspect of the disclosure, there is provided a terminal device, including: a processor; a transceiver coupled to the processor; and a memory for storing instructions executable by the processor, where the processor is configured to load and execute the instructions to perform the method for determining time-domain positions according to the aspect above. According to an aspect of the disclosure, there is provided a network device, including: a processor; a transceiver coupled to the processor; and a memory for storing instructions executable by the processor, where the processor is configured to load and execute the instructions to perform the method for determining time-domain positions according to the aspect above. According to an aspect of the disclosure, there is provided a computer-readable storage medium having stored thereon executable instructions loaded and executed by a processor to perform the method for determining time-domain positions according to the aspect above. According to an aspect of the disclosure, there is provided a computer program product, including computer instructions stored in a computer-readable storage medium from which a processor of a computer device reads the computer instructions, where the processor executes the computer instructions to cause the computer device to perform the method for determining time-domain positions according to the aspect above. According to one aspect of the disclosure, there is provided a chip, including a programmable logic circuit or a program, the chip being configured to perform the method for determining time-domain positions according to the aspect above. According to an aspect of the disclosure, there is provided a computer program, including computer instructions executed by a processor of a computer device to cause the computer device to perform the method for determining time-domain positions according to the aspect above. Th