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EP-4738964-A1 - INFORMATION PROCESSING METHOD AND APPARATUS, AND COMMUNICATION DEVICE AND STORAGE MEDIUM

EP4738964A1EP 4738964 A1EP4738964 A1EP 4738964A1EP-4738964-A1

Abstract

Provided in the embodiments of the present disclosure are an information processing method and apparatus, and a communication device and a storage medium. The information processing method executed by a terminal may comprise: receiving downlink control information (DCI), wherein the DCI is configured to indicate a plurality of physical downlink shared channel (PDSCH) transmissions in a plurality of slots; and according to the DCI, determining a frequency domain for the PDSCH transmissions on symbols in each slot that are used for the PDSCH transmissions, wherein the symbols comprise at least one of a sub-band full-duplex (SBFD) symbol and a non-SBFD symbol.

Inventors

  • WANG, LEI

Assignees

  • Beijing Xiaomi Mobile Software Co., Ltd.

Dates

Publication Date
20260506
Application Date
20230628

Claims (20)

  1. An information processing method, performed by a user equipment (UE), comprising: receiving downlink control information (DCI) that indicates a plurality of physical downlink shared channel (PDSCH) transmissions in a plurality of time slots; and determining, according to the DCI, a frequency domain range used for a PDSCH transmission on one or more symbols used for the PDSCH transmission in each time slot, wherein a symbol comprises at least one of a sub-band full-duplex (SBFD) symbol or a non-SBFD symbol.
  2. The method of claim 1, further comprising: receiving first information that indicates at least one of: a category of symbols usable for the plurality of PDSCH transmissions; or a category of one or more symbols usable for any one of the plurality of PDSCH transmissions.
  3. The method of claim 2, wherein the first information indicates at least one of: the plurality of PDSCH transmissions being capable of using SBFD symbols and non-SBFD symbols, and any one of the plurality of PDSCH transmissions being capable of using one or more SBFD symbols or one or more non-SBFD symbols; the plurality of PDSCH transmissions being capable of using SBFD symbols and non-SBFD symbols, and any one of the plurality of PDSCH transmissions being capable of using one or more SBFD symbols and one or more non-SBFD symbols; the plurality of the PDSCH transmissions being capable of using SBFD symbols, and any one of the plurality of PDSCH transmissions being capable of using one or more SBFD symbols; or the plurality of PDSCH transmissions being capable of using non-SBFD symbols, and any one of the plurality of PDSCH transmissions being capable of using one or more non-SBFD symbols.
  4. The method of any of claims 1-3, wherein determining, according to the DCI, the frequency domain range used for the PDSCH transmission on the one or more symbols used for the PDSCH transmission in each time slot comprises at least one of: for any time slot of the plurality of time slots, in a case where one or more symbols used for a PDSCH transmission in the any time slot comprise one or more non-SBFD symbols, determining a frequency domain range used for the PDSCH transmission on the one or more non-SBFD symbols as a first frequency domain range, wherein the first frequency domain range is a frequency domain range indicated by the DCI for the one or more non-SBFD symbols; or for any time slot of the plurality of time slots, in a case where one or more symbols used for a PDSCH transmission in the any time slot comprise one or more SBFD symbols, determining a frequency domain range used for the PDSCH transmission on the one or more SBFD symbols as a target frequency domain range.
  5. The method of claim 4, wherein, the target frequency domain range is a second frequency domain range, wherein the second frequency domain range is a frequency domain range where the first frequency domain range overlaps with a frequency domain range used for a downlink (DL) transmission on the one or more SBFD symbols; or the target frequency domain range is a third frequency domain range, wherein the third frequency domain range is a frequency domain range indicated by the DCI for the one or more SBFD symbols; or in a case where a first condition is met, the target frequency domain range is a fourth frequency domain range, wherein the first condition comprises: a bandwidth used for a DL transmission on the one or more SBFD symbols being greater than or equal to a bandwidth of the first frequency domain range.
  6. The method of claim 5, wherein a number of resource blocks (RBs) comprised in the fourth frequency domain range is equal to a number of RBs comprised in the first frequency domain range, and the fourth frequency domain range is a frequency domain range where a fifth frequency domain range overlaps with a frequency domain range used for the DL transmission on the one or more SBFD symbols; a starting RB of the fifth frequency domain range is a starting RB in a bandwidth part (BWP), or an ending RB of the fifth frequency domain range is an ending RB in a BWP.
  7. The method of claim 5 or 6, further comprising: for any time slot of the plurality of time slots, in a case where the one or more symbols used for the PDSCH transmission in the any time slot comprise the one or more SBFD symbols and the first condition is not met, determining not to receive a PDSCH in the any time slot.
  8. The method of any of claims 1-3, wherein determining, according to the DCI, the frequency domain range used for the PDSCH transmission on the one or more symbols used for the PDSCH transmission in each time slot comprises at least one of: in a case where one or more symbols used for a PDSCH transmission in at least one time slot of the plurality of time slots comprise one or more non-SBFD symbols, determining the frequency domain range used for the PDSCH transmission in each time slot as a first frequency domain range, wherein the first frequency domain range is a frequency domain range indicated by the DCI for the one or more non-SBFD symbols; or in a case where one or more symbols used for a PDSCH transmission in at least one time slot of the plurality of time slots comprise one or more SBFD symbols, determining the frequency domain range used for the PDSCH transmission in each time slot as a second frequency domain range, wherein the second frequency domain range is a frequency domain range where the first frequency domain range overlaps with a frequency domain range used for a DL transmission on the one or more SBFD symbols.
  9. The method of claim 8, further comprising: for any time slot of the plurality of time slots, in a case where the frequency domain range used for the PDSCH transmission in the any time slot is determined as the first frequency domain range, the one or more symbols used for the PDSCH transmission in the any time slot comprise the one or more SBFD symbols and the first frequency domain range has a frequency domain range overlapped with a frequency domain range for a non-DL transmission on the one or more SBFD symbols, determining not to receive a PDSCH in the time slot.
  10. The method of claim 2 or 3, wherein the first information comprises an information field; wherein, a value of the information field is a first bit value, and the first information indicates that the plurality of PDSCH transmissions are capable of using SBFD symbols and non-SBFD symbols, and any one of the plurality of PDSCH transmissions is capable of using one or more SBFD symbols or one or more non-SBFD symbols; or a value of the information field is a second bit value, and the first information indicates that the plurality of PDSCH transmissions are capable of using SBFD symbols and non-SBFD symbols, and any one of the plurality of PDSCH transmissions is capable of using one or more SBFD symbols and one or more non-SBFD symbols; or a value of the information field is a third bit value, and the first information indicates that the plurality of PDSCH transmissions are capable of using SBFD symbols, and any one of the plurality of PDSCH transmissions is capable of using one or more SBFD symbols; or a value of the information field is a fourth bit value, and the first information indicates that the plurality of PDSCH transmissions are capable of using non-SBFD symbols, and any one of the plurality of PDSCH transmissions is capable of using one or more non-SBFD symbols.
  11. The method of claim 10, further comprising at least one of: for any time slot of the plurality of time slots, in a case where one or more symbols where a PDSCH in the any time slot is located comprise at least one uplink (UL) symbol or comprise both SBFD and non-SBFD symbols, determining not to receive the PDSCH in the any time slot, wherein the value of the information field is the first bit value; for any time slot of the plurality of time slots, in a case where one or more symbols where a PDSCH in the any time slot is located comprise at least one UL symbol, determining not to receive the PDSCH in the any time slot, wherein the value of the information field is the second bit value; for any time slot of the plurality of time slots, in a case where one or more symbols where a PDSCH in the any time slot is located comprise at least one non-SBFD symbol, determining not to receive the PDSCH in the any time slot, wherein the value of the information field is the third bit value; or for any time slot of the plurality of time slots, in a case where one or more symbols where a PDSCH in the any time slot is located comprise at least one SBFD symbol or UL symbol, determining not to receive the PDSCH in the any time slot, wherein the value of the information field is the fourth bit value.
  12. The method of any of claims 1-11, wherein a PDSCH in the plurality of time slots comprises at least one of: a retransmitted PDSCH; a semi-persistent scheduling (SPS) PDSCH which is not retransmitted; or a plurality of PDSCHs scheduled by a single DCI.
  13. An information processing method, performed by a network device, comprising: sending downlink control information (DCI) that indicates a plurality of physical downlink shared channel (PDSCH) transmissions in a plurality of time slots, each of one or more symbols used for a PDSCH transmission in each time slot comprises at least one of a sub-band full-duplex (SBFD) symbol or a non-SBFD symbol, and a frequency domain range used for the PDSCH transmission on one or more SBFD symbols is the same as or different from a frequency domain range used for the PDSCH transmission on one or more non-SBFD symbols.
  14. The method of claim 13, further comprising: sending first information that indicates at least one of: a category of symbols usable for the plurality of PDSCH transmissions; or a category of one or more symbols usable for any one of the plurality of PDSCH transmissions.
  15. The method of claim 14, wherein the first information indicates at least one of: the plurality of PDSCH transmissions being capable of using SBFD symbols and non-SBFD symbols, and any one of the plurality of PDSCH transmissions being capable of using one or more SBFD symbols or one or more non-SBFD symbols; the plurality of PDSCH transmissions being capable of using SBFD symbols and non-SBFD symbols, and any one of the plurality of PDSCH transmissions being capable of using one or more SBFD symbols and one or more non-SBFD symbols; the plurality of the PDSCH transmissions being capable of using SBFD symbols, and any one of the plurality of PDSCH transmissions being capable of using one or more SBFD symbols; or the plurality of PDSCH transmissions being capable of using non-SBFD symbols, and any one of the plurality of PDSCH transmissions being capable of using one or more non-SBFD symbols.
  16. The method of any of claims 13-15, wherein, for any time slot of the plurality of time slots, in a case where one or more symbols used for a PDSCH transmission in the any time slot comprise one or more non-SBFD symbols, a frequency domain range used for the PDSCH transmission on the one or more non-SBFD symbols is a first frequency domain range, wherein the first frequency domain range is a frequency domain range indicated by the DCI for the one or more non-SBFD symbols; and/or for any time slot of the plurality of time slots, in a case where one or more symbols used for a PDSCH transmission in the any time slot comprise one or more SBFD symbols, a frequency domain range used for the PDSCH transmission on the one or more SBFD symbols is a target frequency domain range.
  17. The method of claim 16, wherein, the target frequency domain range is a second frequency domain range, wherein the second frequency domain range is a frequency domain range where the first frequency domain range overlaps with a frequency domain range used for a downlink (DL) transmission on the one or more SBFD symbols; or the target frequency domain range is a third frequency domain range, wherein the third frequency domain range is a frequency domain range indicated by the DCI for the one or more SBFD symbols; or in a case where a first condition is met, the target frequency domain range is a fourth frequency domain range, wherein the first condition comprises: a bandwidth used for a DL transmission on the one or more SBFD symbols being greater than or equal to a bandwidth of the first frequency domain range.
  18. The method of claim 17, wherein a number of resource blocks (RBs) comprised in the fourth frequency domain range is equal to a number of RBs comprised in the first frequency domain range, and the fourth frequency domain range is a frequency domain range where a fifth frequency domain range overlaps with a frequency domain range used for the DL transmission on the one or more SBFD symbols; a starting RB of the fifth frequency domain range is a starting RB in a bandwidth part (BWP), or an ending RB of the fifth frequency domain range is an ending RB in a BWP.
  19. The method of any of claims 13-15, wherein, in a case where one or more symbols used for a PDSCH transmission in at least one time slot of the plurality of time slots comprise one or more non-SBFD symbols, a frequency domain range used for a PDSCH transmission in each time slot is a first frequency domain range, wherein the first frequency domain range is a frequency domain range indicated by the DCI for the one or more non-SBFD symbols; or in a case where one or more symbols used for a PDSCH transmission in at least one time slot of the plurality of time slots comprise one or more SBFD symbols, a frequency domain range used for a PDSCH transmission in each time slot is a second frequency domain range, wherein the second frequency domain range is a frequency domain range where the first frequency domain range overlaps with a frequency domain range for a DL transmission on the one or more SBFD symbols.
  20. The method of claim 14 or 15, wherein the first information comprises an information field; wherein, a value of the information field is a first bit value, and the first information indicates that the plurality of PDSCH transmissions are capable of using SBFD symbols and non-SBFD symbols, and any one of the plurality of PDSCH transmissions is capable of using one or more SBFD symbols or one or more non-SBFD symbols; or a value of the information field is a second bit value, and the first information indicates that the plurality of PDSCH transmissions are capable of using SBFD symbols and non-SBFD symbols, and any one of the plurality of PDSCH transmissions is capable of using one or more SBFD symbols and one or more non-SBFD symbols; or a value of the information field is a third bit value, and the first information indicates that the plurality of PDSCH transmissions are capable of using SBFD symbols, and any one of the plurality of PDSCH transmissions is capable of using one or more SBFD symbols; or a value of the information field is a fourth bit value, and the first information indicates that the plurality of PDSCH transmissions are capable of using non-SBFD symbols, and any one of the plurality of PDSCH transmissions is capable of using one or more non-SBFD symbols.

Description

TECHNICAL FIELD The present disclosure relates to, but is not limited to, the field of communication technology, and specifically to an information processing method and apparatus, a communication device, and a storage medium. BACKGROUND In the field of communication technology, in order to improve uplink coverage and throughput, research on subband full duplex (SBFD) has been carried out. In an SBFD scenario, downlink (DL) symbols, SBFD symbols, flexible (F) symbols and uplink (UL) symbols are introduced. SUMMARY Embodiments of the present disclosure provide an information processing method and apparatus, a communication device, and a storage medium. According to a first aspect of embodiments of the present disclosure, an information processing method is provided. The method is performed by a terminal and includes: receiving downlink control information (DCI), in which the DCI indicates a plurality of physical downlink shared channel (PDSCH) transmissions in a plurality of time slots; anddetermining, according to the DCI, a frequency domain range used for a PDSCH transmission on one or more symbols used for the PDSCH transmission in each time slot, in which a symbol includes at least one of a sub-band full-duplex (SBFD) symbol or a non-SBFD symbol. According to a second aspect of the embodiments of the present disclosure, an information processing method is provided. The method is performed by a network device and includes: sending downlink control information (DCI), in which the DCI indicates a plurality of physical downlink shared channel (PDSCH) transmissions in a plurality of time slots, each of one or more symbols used for a PDSCH transmission in each time slot includes at least one of a sub-band full-duplex (SBFD) symbol or a non-SBFD symbol, and a frequency domain range used for the PDSCH transmission in one or more SBFD symbols is the same as or different from a frequency domain range used for the PDSCH transmission in one or more non-SBFD symbols. According to a third aspect of the embodiments of the present disclosure, a terminal is provided. The terminal includes: a receiving module, configured to receive downlink control information (DCI), in which the DCI indicates a plurality of physical downlink shared channel (PDSCH) transmissions in a plurality of time slots; anda determining module, configured to determine, according to the DCI, a frequency domain range used for a PDSCH transmission on one or more symbols used for the PDSCH transmission in each time slot, in which a symbol includes at least one of a sub-band full-duplex (SBFD) symbol or a non-SBFD symbol. According to a fourth aspect of the embodiments of the present disclosure, a network device is provided, including: a sending module, configured to send downlink control information (DCI), in which the DCI indicates a plurality of physical downlink shared channel (PDSCH) transmissions in a plurality of time slots, each of one or more symbols used for a PDSCH transmission in each time slot includes at least one of a sub-band full-duplex (SBFD) symbol or a non-SBFD symbol, and a frequency domain range used for the PDSCH transmission in one or more SBFD symbols is the same as or different from a frequency domain range used for the PDSCH transmission in one or more non-SBFD symbols. According to a fifth aspect of the embodiments of the present disclosure, a terminal is provided, including: one or more processors;in which the terminal is configured to perform the information processing method according to any of the first aspect. According to a sixth aspect of the embodiments of the present disclosure, a network device is provided, including: one or more processors;in which the network device is configured to perform the information processing method according to any of the second aspect. According to a seventh aspect of the embodiments of the present disclosure, a communication system is provided, including a terminal and a network device, in which the terminal is configured to perform the information processing method according to any of the first aspect, and the network device is configured to perform the information processing method according to any of the second aspect. According to a seventh aspect of the embodiments of the present disclosure, a storage medium having instructions stored thereon is provided. When the instructions are executed on a communication device, the communication device is caused to perform the information processing method according to any of the first aspect, or the second aspect. In the technical solution provided by the embodiments of the present disclosure, by receiving the DCI which is used to indicate multiple PDSCH transmissions in multiple time slots; and determining, according to the DCI, the frequency domain range used for the PDSCH transmission on one or more symbols used for the PDSCH transmission in each time slot, in which the symbol includes at least one of an SBFD symbol or a non-SBFD symbol, the