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EP-4738958-A1 - RESOURCE INDICATION METHOD AND APPARATUS, COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND STORAGE MEDIUM

EP4738958A1EP 4738958 A1EP4738958 A1EP 4738958A1EP-4738958-A1

Abstract

Embodiments of the present disclosure disclose a resource indication method and apparatus. By means of receiving configuration information sent by a network device, the configuration information being used for configuring a UL BWP of a terminal and a UL subband of the terminal, receiving first indication information sent by the network device, the first indication information being used for indicating frequency domain resources used by the terminal for uplink transmission, and determining a target frequency domain resource on the basis of the first indication information and a frequency domain location of the UL subband, the target frequency domain resource being used by the terminal for the uplink transmission within the UL subband, the terminal can determine, on the basis of same indication information for allocation of frequency domain resources, a frequency domain resource scheduled for the uplink transmission within the UL subband, so that signaling resources can be effectively saved, the communication efficiency of the system is improved, and redundancy is reduced.

Inventors

  • WANG, LEI

Assignees

  • Beijing Xiaomi Mobile Software Co., Ltd.

Dates

Publication Date
20260506
Application Date
20230630

Claims (20)

  1. A method for resource indication, performed by a terminal, comprising: receiving configuration information sent by a network device, wherein the configuration information configures an uplink bandwidth part (UL BWP) of the terminal and an uplink (UL) subband of the terminal; receiving first indication information sent by the network device, wherein the first indication information indicates a frequency domain resource used by the terminal for UL transmission; and determining a target frequency domain resource based on the first indication information and a frequency domain location of the UL subband, wherein the target frequency domain resource is configured for the UL transmission of the terminal within the UL subband.
  2. The method of claim 1, wherein a length of the first indication information is determined according to an active UL BWP; or a length of the first indication information is determined according to an initial UL BWP.
  3. The method of claim 1 or 2, wherein the first indication information indicates a position of a starting frequency domain resource unit of the frequency domain resource for the UL transmission within the UL BWP, and a numerical count of frequency domain resource units occupied by the frequency domain resource for the UL transmission; and the target frequency domain resource is a frequency domain resource where the frequency domain resource for the UL transmission indicated by the first indication information overlaps with the UL subband of the terminal.
  4. The method of claim 1 or 2, wherein the first indication information indicates a position of a starting frequency domain resource unit of the frequency domain resource for the UL transmission within the UL subband, and a numerical count of frequency domain resource units occupied by the frequency domain resource for the UL transmission; and the target frequency domain resource is a frequency domain resource where the frequency domain resource for the UL transmission indicated by the first indication information overlaps with the UL subband of the terminal.
  5. The method of any one of claims 1 to 4, wherein the first indication information is a resource indicate value (RIV).
  6. The method of any one of claims 1 to 5, wherein the first indication information is comprised in downlink control information (DCI).
  7. The method of any one of claims 1 to 6, wherein a resource allocation type for the UL transmission is a first type.
  8. The method of any one of claims 1 to 7, wherein the UL subband is located within a subband full duplex (SBFD) slot.
  9. A method for resource indication, performed by a network device, comprising: sending configuration information to a terminal, wherein the configuration information configures an uplink bandwidth part (UL BWP) of the terminal and an uplink (UL) subband of the terminal; sending first indication information to the terminal, wherein the first indication information indicates a frequency domain resource used by the terminal for UL transmission, wherein the first indication information and a frequency domain location of the UL subband of the terminal are used by the terminal to determine a target frequency domain resource, and the target frequency domain resource is configured for the UL transmission of the terminal within the UL subband.
  10. The method of claim 9, wherein a length of the first indication information is determined according to an active UL BWP; or a length of the first indication information is determined according to an initial UL BWP.
  11. The method of claim 9 or 10, wherein the first indication information indicates a position of a starting frequency domain resource unit of the frequency domain resource for the UL transmission within the UL BWP, and a numerical count of frequency domain resource units occupied by the frequency domain resource for the UL transmission; and the target frequency domain resource is a frequency domain resource where the frequency domain resource for the UL transmission indicated by the first indication information overlaps with the UL subband of the terminal.
  12. The method of claim 9 or 10, wherein the first indication information indicates a position of a starting frequency domain resource unit of the frequency domain resource for the UL transmission within the UL subband, and a numerical count of frequency domain resource units occupied by the frequency domain resource for the UL transmission; and the target frequency domain resource is a frequency domain resource where the frequency domain resource for the UL transmission indicated by the first indication information overlaps with the UL subband of the terminal.
  13. The method of any one of claims 9 to 12, wherein the first indication information is a resource indicate value (RIV).
  14. The method of any one of claims 9 to 13, wherein the first indication information is comprised in downlink control information (DCI).
  15. The method of any one of claims 9 to 14, wherein a resource allocation type for the UL transmission is a first type.
  16. The method of any one of claims 9 to 15, wherein the UL subband is located within a subband full duplex (SBFD) slot.
  17. A method for resource indication, comprising: sending, by a network device, configuration information to a terminal, wherein the configuration information configures an uplink bandwidth part (UL BWP) of the terminal and an uplink (UL) subband of the terminal; sending, by the network device, first indication information to the terminal, wherein the first indication information indicates a frequency domain resource used by the terminal for UL transmission; and determining, by the terminal, a target frequency domain resource based on the first indication information and a frequency domain location of the UL subband, wherein the target frequency domain resource is configured for the UL transmission of the terminal within the UL subband.
  18. The method of claim 17, wherein a length of the first indication information is determined according to an active UL BWP; or a length of the first indication information is determined according to an initial UL BWP.
  19. The method of claim 17 or 18, wherein the first indication information indicates a position of a starting frequency domain resource unit of the frequency domain resource for the UL transmission within the UL BWP, and a numerical count of frequency domain resource units occupied by the frequency domain resource for the UL transmission; and the target frequency domain resource is a frequency domain resource where the frequency domain resource for the UL transmission indicated by the first indication information overlaps with the UL subband of the terminal.
  20. The method of claim 17 or 18, wherein the first indication information indicates a position of a starting frequency domain resource unit of the frequency domain resource for the UL transmission within the UL subband, and a numerical count of frequency domain resource units occupied by the frequency domain resource for the UL transmission; and the target frequency domain resource is a frequency domain resource where the frequency domain resource for the UL transmission indicated by the first indication information overlaps with the UL subband of the terminal.

Description

TECHNICAL FIELD The present disclosure relates to the field of communication technology, and specifically to a method and an apparatus for resource indication, a communication device, a communication system, and a storage medium. BACKGROUND A base station may configure an uplink (UL) subband for UL data transmission within a downlink (DL) slot for a full duplex (FD) terminal, and may schedule the UL data transmission of the terminal within a time-frequency range of the UL subband. A size and a frequency domain location of the UL subband configured by the base station are generally different from a size and a frequency domain location of an active UL bandwidth part (BWP). SUMMARY The embodiments of the present disclosure provide a method and an apparatus for resource indication, a communication device, a communication system, and a storage medium. According to a first aspect of the embodiments of the present disclosure, a method for resource indication is provided. The method is performed by a terminal, and includes: receiving configuration information sent by a network device, in which the configuration information configures an uplink bandwidth part (UL BWP) of the terminal and an uplink (UL) subband of the terminal; receiving first indication information sent by the network device, in which the first indication information indicates a frequency domain resource used by the terminal for UL transmission; and determining a target frequency domain resource based on the first indication information and a frequency domain location of the UL subband, in which the target frequency domain resource is configured for the UL transmission of the terminal within the UL subband. According to a second aspect of the embodiments of the present disclosure, a method for resource indication is provided. The method is performed by a network device, and includes: sending configuration information to a terminal, in which the configuration information configures a UL BWP of the terminal and a UL subband of the terminal; sending first indication information to the terminal, in which the first indication information indicates a frequency domain resource used by the terminal for UL transmission, in which the first indication information and a frequency domain location of the UL subband of the terminal are used by the terminal to determine a target frequency domain resource, and the target frequency domain resource is configured for the UL transmission of the terminal within the UL subband. According to a third aspect of the embodiments of the present disclosure, a method for resource indication is provided, including: sending, by a network device, configuration information to a terminal, in which the configuration information configures a UL BWP of the terminal and a UL subband of the terminal; sending, by the network device, first indication information to the terminal, in which the first indication information indicates a frequency domain resource used by the terminal for UL transmission; and determining, by the terminal, a target frequency domain resource based on the first indication information and a frequency domain location of the UL subband, in which the target frequency domain resource is configured for the UL transmission of the terminal within the UL subband. According to a fourth aspect of the embodiments of the present disclosure, a terminal is provided, including: a transceiver module, configured to receive configuration information sent by a network device, in which the configuration information configures a UL BWP of the terminal and a UL subband of the terminal; the transceiver module, further configured to receive first indication information sent by the network device, in which the first indication information indicates a frequency domain resource used by the terminal for UL transmission; and a processing module, configured to determine a target frequency domain resource based on the first indication information and a frequency domain location of the UL subband, in which the target frequency domain resource is configured for the UL transmission of the terminal within the UL subband. According to a fifth aspect of the embodiments of the present disclosure, a network device is provided, including: a transceiver module, configured to send configuration information to a terminal, in which the configuration information configures a UL BWP of the terminal and a UL subband of the terminal; the transceiver module, further configured to send first indication information to the terminal, in which the first indication information indicates a frequency domain resource used by the terminal for UL transmission, in which the first indication information and a frequency domain location of the UL subband of the terminal are used by the terminal to determine a target frequency domain resource, and the target frequency domain resource is configured for the UL transmission of the terminal within the UL subband. In the solution provide