WO2023207397A1 - Procédé, dispositif et appareil de détermination de dci - Google Patents

Procédé, dispositif et appareil de détermination de dci Download PDF

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Publication number
WO2023207397A1
WO2023207397A1 PCT/CN2023/081748 CN2023081748W WO2023207397A1 WO 2023207397 A1 WO2023207397 A1 WO 2023207397A1 CN 2023081748 W CN2023081748 W CN 2023081748W WO 2023207397 A1 WO2023207397 A1 WO 2023207397A1
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WIPO (PCT)
Prior art keywords
subband
bandwidth
dci
bits
transmission direction
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PCT/CN2023/081748
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English (en)
Chinese (zh)
Inventor
司倩倩
赵越
高雪娟
邢艳萍
李书朋
Original Assignee
大唐移动通信设备有限公司
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Publication of WO2023207397A1 publication Critical patent/WO2023207397A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

Definitions

  • the present disclosure relates to the field of wireless communication technology, and in particular, to a DCI determination method, equipment and device.
  • the fifth generation new wireless 5G NR (5 Generation New Radio) system supports Time Domain Duplex (TDD) and Frequency Domain Duplex (FDD).
  • TDD and FDD refer to two types of dual-mode in mobile communication technology.
  • industrial communication mode TDD mode transmits and receives at different times on the same frequency channel, that is, the carrier, and distinguishes uplink and downlink transmission resources by time;
  • FDD mode transmits and receives at the same time on different frequency channels, and distinguishes uplink and downlink transmission resources by frequency.
  • 5G NR will support full duplex with non-overlapping subbands in the Rel-18 stage, that is, the base station can transmit and receive simultaneously through different subbands within a frequency band/carrier/bandwidth part (Band Width Part BWP). There is no overlap between the transmitted and received subbands.
  • BWP Band Width Part
  • the Frequency Domain Resource Allocation (FDRA) field in the Downlink Control Information (DCI) is used to indicate the Physical Downlink Shared Channel (PDSCH) or the Physical Uplink Shared Channel (Physical Uplink Shared Channel) , PUSCH), however, since the uplink and downlink transmission resources are divided within a frequency band or carrier or BWP, for a full-duplex terminal, the terminal can be used for uplink or downlink transmission within a specific time unit The bandwidth will be reduced, Therefore, there is no definite DCI solution for full-duplex terminals with non-overlapping subbands.
  • FDRA Frequency Domain Resource Allocation
  • Embodiments of the present disclosure provide a DCI determination method, equipment and device to accurately determine DCI for a full-duplex terminal with non-overlapping subbands.
  • an embodiment of the present disclosure provides a DCI determination method, which method includes:
  • the subband allocation information indicates the subband used for uplink transmission and/or the subband used for downlink transmission;
  • the FDRA domain in the DCI is determined.
  • the subband allocation information indicates the subband used for uplink transmission
  • Determining the FDRA domain in the DCI according to the subband allocation information specifically includes:
  • the number of bits of the FDRA domain corresponding to the PUSCH is determined; and according to the bandwidth of the subband used for downlink transmission, the number of bits of the FDRA domain corresponding to the PDSCH is determined.
  • the subband allocation information indicates the subband used for downlink transmission
  • Determining the FDRA domain in the DCI according to the subband allocation information specifically includes:
  • the number of bits of the FDRA domain corresponding to the PUSCH is determined; and according to the bandwidth of the subband used for downlink transmission, the number of bits of the FDRA domain corresponding to the PDSCH is determined.
  • the subband allocation information indicates that there are at least two discontinuous subbands in the target transmission direction in the BWP;
  • Determining the FDRA domain in the DCI according to the subband allocation information specifically includes:
  • the source allocation mode determines the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • resource allocation mode 0 if the currently used resource allocation mode is resource allocation mode 0;
  • Determining the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction based on the bandwidth and starting position of each subband in the target transmission direction, and the currently used resource allocation mode specifically includes:
  • the sum of the number of RBGs corresponding to each subband in the target transmission direction is taken as the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • NRBG is the number of RBGs corresponding to the subband in the target transmission direction, is the bandwidth of a subband in the target transmission direction, is the starting CRB number of a subband in the target transmission direction, and P is the number of PRBs included in an RBG group, Represents the upward rounding operation, and mod is the remainder operation.
  • resource allocation mode 1 if the currently used resource allocation mode is resource allocation mode 1;
  • Determining the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction according to the bandwidth of each subband in the target transmission direction and the currently used resource allocation mode specifically including:
  • the bandwidth of the largest subband determines the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • the method further includes:
  • bandwidths of the subbands in the target transmission direction in different time units are different, use the DCI for transmission in the target time unit;
  • the target time unit is determined according to the following method:
  • the scheduling timing relationship and the time slot position of the target transmission direction occupying the full BWP bandwidth determine the reference time unit in which the DCI cannot be used; use other time units except the reference time unit as the target time unit.
  • the reference time unit that determines that the DCI cannot be used is determined based on the time slot position occupying the full BWP bandwidth based on the scheduling timing relationship and the target transmission direction, specifically including:
  • the reference time unit is determined based on the K2 set used to represent the scheduling timing relationship and the time slot position of the uplink occupying the full BWP bandwidth; and /or
  • the reference time unit is determined based on the K0 set used to represent the scheduling timing relationship and the time slot position of the downlink occupying the full BWP bandwidth.
  • a DCI determination device which includes a memory, a processor, and a transceiver;
  • the transceiver is used to send and receive data under the control of the processor
  • the processor is configured to read the computer program in the memory and perform the following operations:
  • the subband allocation information indicates the subband used for uplink transmission and/or the subband used for downlink transmission;
  • the FDRA domain in the DCI is determined.
  • the subband allocation information indicates the subband used for uplink transmission
  • the bandwidth of the subband used for uplink transmission determine the ratio of the FDRA domain corresponding to the PUSCH special number; and determine the number of bits in the FDRA domain corresponding to the PDSCH according to the bandwidth of the subband used for downlink transmission.
  • the subband allocation information indicates the subband used for downlink transmission
  • the processor is specifically used for:
  • the number of bits of the FDRA domain corresponding to the PUSCH is determined; and according to the bandwidth of the subband used for downlink transmission, the number of bits of the FDRA domain corresponding to the PDSCH is determined.
  • the subband allocation information indicates that there are at least two discontinuous subbands in the target transmission direction in the BWP;
  • the processor is specifically used for:
  • the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction is determined.
  • resource allocation mode 0 if the currently used resource allocation mode is resource allocation mode 0;
  • the processor is specifically used for:
  • each sub-band in the target transmission direction determines the number of RBGs corresponding to each sub-band in the target transmission direction
  • the sum of the number of RBGs corresponding to each subband in the target transmission direction is taken as the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • the processor is specifically configured to determine the corresponding number of RBGs according to the following formula:
  • NRBG is the number of RBGs corresponding to the subband in the target transmission direction, is the bandwidth of a subband in the target transmission direction, is a subband of the target transmission direction
  • the starting CRB number, the P is the number of PRBs included in an RBG group, Indicates the upward rounding operation, and mod is the remainder operation.
  • resource allocation mode 1 if the currently used resource allocation mode is resource allocation mode 1;
  • the processor is specifically used for:
  • the bandwidth of the largest subband determines the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • the processor is also used to:
  • the processor determines the target time unit according to the following manner:
  • the scheduling timing relationship and the time slot position of the target transmission direction occupying the full BWP bandwidth determine the reference time unit in which the DCI cannot be used; use other time units except the reference time unit as the target time unit.
  • the processor is specifically used for:
  • the reference time unit is determined based on the K2 set used to represent the scheduling timing relationship and the time slot position of the uplink occupying the full BWP bandwidth; and /or
  • the reference time unit is determined based on the K0 set used to represent the scheduling timing relationship and the time slot position of the downlink occupying the full BWP bandwidth.
  • an embodiment of the present disclosure provides a DCI determination device, which includes:
  • a determining module configured to determine subband allocation information within a BWP configured for the terminal; wherein the subband allocation information indicates a subband used for uplink transmission and/or a subband used for downlink transmission;
  • a processing module configured to determine the FDRA domain in the DCI according to the subband allocation information.
  • embodiments of the present disclosure provide a computer-readable storage medium that stores a computer program, and the computer program is used to cause the computer to execute the method described in the first aspect.
  • a BWP configured for the terminal includes subbands for uplink transmission and/or subbands for downlink transmission. For this full-duplex communication mode, when determining the DCI, the BWP configured for the terminal is determined.
  • the subband allocation information within a BWP determines the FDRA domain in the DCI based on the subband allocation information.
  • the full-duplex communication mode of the embodiment of the present disclosure may have less bandwidth than the FDD and TDD communication modes, the subbands used for uplink transmission and the bandwidth of the subbands used for downlink transmission may be reduced; thus, compared to the FDD and TDD communication modes
  • the DCI determined based on the subband allocation information within a BWP configured for the terminal is the reduced DCI, thereby improving the transmission reliability of control information and further improving system performance.
  • Figure 1 is a schematic diagram of an optional application scenario according to an embodiment of the present disclosure
  • Figure 2 is a flow chart of a DCI determination method according to an embodiment of the present disclosure
  • Figure 3 is a schematic diagram of subband allocation information within a BWP according to an embodiment of the present disclosure
  • Figure 4 is an overall flow chart of a DCI determination method according to an embodiment of the present disclosure
  • Figure 5 is an overall flow chart of a DCI determination method according to an embodiment of the present disclosure
  • Figure 6 is an overall flow chart of a DCI determination method according to an embodiment of the present disclosure.
  • Figure 7 is a schematic diagram of time domain resource allocation according to an embodiment of the present disclosure.
  • Figure 8 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • Figure 9 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • Figure 10 is a schematic structural diagram of a DCI determination device according to an embodiment of the present disclosure.
  • the term "and/or” describes the association relationship of associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A exists alone, A and B exist simultaneously, and B exists alone. these three situations.
  • the character "/” generally indicates that the related objects are in an "or” relationship.
  • the term “plurality” refers to two or more than two, and other quantifiers are similar to it.
  • the wireless communication system includes a terminal 10 and a network device 11;
  • the embodiment of the present disclosure is a full-duplex communication mode; that is, the terminal can simultaneously send data and receive data through different sub-bands within one frequency band or carrier or BWP, and the network equipment can also use different sub-bands within one frequency band or carrier or BWP.
  • the subbands transmit data and receive data simultaneously.
  • the terminal 10 determines the subband allocation information within a configured BWP, and determines the FDRA domain in the DCI according to the subband allocation information; wherein the subband allocation information indicates the subband used for uplink transmission and/or the subband used for downlink transmission. .
  • the network device 11 determines the subband allocation information within a BWP configured for the terminal; according to the subband allocation information, determines the FDRA domain in the DCI; wherein the subband allocation information indicates that for Subbands for uplink transmission and/or subbands for downlink transmission.
  • the subbands used for uplink transmission and the subbands used for downlink transmission do not overlap at the same time.
  • the DCI may be determined by determining the number of bits of the FDRA domain corresponding to the PUSCH and the number of bits of the FDRA domain corresponding to the PDSCH.
  • the network device involved in the embodiment of the present disclosure may be a base station, and the base station may include multiple cells that provide services for terminals.
  • a base station can also be called an access point, or it can be a device in the access network that communicates with wireless terminal equipment through one or more sectors on the air interface, or it can be named by another name.
  • Network equipment can be used to exchange received air frames with Internet Protocol (IP) packets and act as a router between the wireless terminal equipment and the rest of the access network, which can include the Internet. Protocol (IP) communication network.
  • IP Internet Protocol
  • Network devices also coordinate attribute management of the air interface.
  • the network device involved in the embodiment of the present disclosure may be a network device in the global mobile communications system or code division multiple access (Base Transceiver Station, BTS), or it may be a network device in bandwidth code division multiple access (Base Transceiver Station, BTS).
  • NodeB it can also be the evolutionary network equipment (evolutional Node B, eNB or e-NodeB) in the long-term evolution system, the 5G base station (gNB) in the 5G network architecture (next generation system), or the home evolution base station ( Home evolved Node B (HeNB), relay node (relay node), home base station (femto), pico base station (pico), etc. are not limited in the embodiments of this disclosure.
  • network equipment may include centralized unit (CU) nodes and distributed unit (DU) nodes. The centralized unit and distributed unit may also be arranged geographically separately.
  • the terminal involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to users, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem, etc.
  • the names of terminal devices may also be different.
  • the terminal may be called user equipment (User Equipment, UE).
  • Wireless terminal equipment can communicate with one or more core networks (Core Network, CN) via a Radio Access Network (RAN).
  • RAN Radio Access Network
  • the wireless terminal equipment can be a mobile terminal equipment, such as a mobile phone (also known as a "cellular phone").
  • Wireless terminal equipment may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, or an access point.
  • remote terminal equipment remote terminal equipment
  • access terminal equipment access terminal
  • user terminal user terminal
  • user agent user agent
  • user device user device
  • Network equipment and terminal equipment can each use one or more antennas for multi-input multi-output (MIMO) transmission.
  • MIMO transmission can be single-user MIMO (Single User MIMO, SU-MIMO) or multi-user MIMO. (Multiple User MIMO,MU-MIMO).
  • MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO or massive-MIMO, or it can be diversity transmission, precoding transmission or beamforming transmission, etc.
  • the embodiment of the present disclosure is aimed at the full-duplex communication mode in which subbands do not overlap, and the terminal and the network device can determine the DCI in the same way.
  • the specific method of determining DCI is introduced in detail below, and the specific method of determining DCI introduced below can be applied to the terminal side and the network device side respectively.
  • the network device After determining the FDRA domain in the DCI, the network device fills in the control information corresponding to the PUSCH and the control information corresponding to the PUSCH according to the determined FDRA domain, and generates the DCI that needs to be sent to the terminal.
  • the terminal After receiving the DCI sent by the network device, the terminal obtains the control information corresponding to the PUSCH and the control information corresponding to the PUSCH from the DCI according to the determined FDRA domain in the DCI; that is, The control information corresponding to the PUSCH is obtained from the DCI according to the determined number of bits of the FDRA field corresponding to the PUSCH, and the control information corresponding to the PDSCH is obtained from the DCI according to the determined number of bits of the FDRA field corresponding to the PDSCH.
  • the flow chart of a DCI determination method can be applied to the terminal side or the network device side, and may specifically include the following steps:
  • Step S202 Determine the FDRA domain in the DCI according to the subband allocation information.
  • a BWP configured for the terminal includes subbands for uplink transmission and/or subbands for downlink transmission. For this full-duplex communication mode, when determining the DCI, the BWP configured for the terminal is determined.
  • the subband allocation information within a BWP determines the FDRA domain in the DCI based on the subband allocation information.
  • the full-duplex communication mode of the embodiment of the present disclosure may have less bandwidth than the FDD and TDD communication modes, the subbands used for uplink transmission and the bandwidth of the subbands used for downlink transmission may be reduced; thus, compared to the FDD and TDD communication modes
  • the DCI determined based on the subband allocation information within a BWP configured for the terminal is the reduced DCI, thereby improving the transmission reliability of control information and further improving system performance.
  • the DCI may be determined by determining the number of bits of the FDRA domain corresponding to the PUSCH and the number of bits of the FDRA domain corresponding to the PDSCH.
  • the DCI is determined based on the subband allocation information.
  • the method of determining the DCI is also different. Different subband allocation information will be described below.
  • the subband allocation information indicates the subband used for uplink transmission or indicates the subband used for downlink transmission.
  • the subband allocation information indicates the subband used for uplink transmission
  • the bandwidth of the subbands for uplink transmission in method 1 is the sum of the bandwidths of the multiple subbands.
  • the number of bits in the FDRA domain corresponding to the PUSCH is determined according to the bandwidth of the subband used for uplink transmission indicated by the subband allocation information;
  • the bandwidth of the subband used for downlink transmission can be calculated based on the bandwidth of the BWP and the bandwidth of the subband used for uplink transmission indicated by the subband allocation information;
  • the remaining bandwidth obtained by subtracting the bandwidth of the subband used for uplink transmission and the guard interval from the bandwidth of the BWP is used as the bandwidth of the subband used for downlink transmission.
  • the number of bits in the FDRA domain corresponding to the PDSCH is determined based on the calculated bandwidth of the subband used for downlink transmission.
  • the resource allocation modes of the embodiment of the present disclosure include but are not limited to resource allocation mode 0 and resource allocation mode 1;
  • resource allocation mode 0 is a bitmap-based allocation mode.
  • the length of the field is N RBG bits.
  • Each bit represents a resource block group (RBG).
  • RBG 0 to Are mapped in order from MSB to LSB.
  • Each resource block group contains P physical resource blocks (PRBs), the size of which is determined by the partial bandwidth and high-level configuration.
  • Resource allocation mode 1 describes the allocated resource blocks by the starting position RB start and the length L RBs .
  • NRBG_U is the number of bits in the FDRA domain corresponding to PUSCH, is the bandwidth of the subband used for uplink transmission, is the starting Common Resource Block (CRB) number of the subband used for uplink transmission, P is the number of PRBs included in an RBG group, Represents the upward rounding operation, and mod is the remainder operation.
  • CRB Common Resource Block
  • resource allocation mode 1 calculates the number of bits in the FDRA domain corresponding to PUSCH according to the following formula:
  • NRBG_U is the number of bits in the FDRA domain corresponding to PUSCH, is the bandwidth of the subband used for uplink transmission, Indicates rounding up operation.
  • the resource allocation modes of the embodiment of the present disclosure include but are not limited to resource allocation mode 0 and resource allocation mode 1;
  • NRBG_D is the number of bits in the FDRA domain corresponding to PDSCH, is the bandwidth of the subband used for downlink transmission, is the starting CRB number of the subband used for downlink transmission, P is the number of PRBs included in an RBG group, Represents the upward rounding operation, and mod is the remainder operation.
  • resource allocation mode 1 calculates the number of bits in the FDRA domain corresponding to the PDSCH according to the following formula:
  • the subband allocation information indicates the subband used for downlink transmission
  • the bandwidth of the subband used for uplink transmission is determined; according to the bandwidth of the subband used for uplink transmission, the number of bits of the FDRA domain corresponding to the PUSCH is determined; and according to the user Based on the bandwidth of the subband for downlink transmission, the number of bits in the FDRA domain corresponding to the PDSCH is determined.
  • the bandwidth of the subband for downlink transmission in method 1 is the sum of the bandwidths of the multiple subbands.
  • the number of bits in the FDRA domain corresponding to the PDSCH is determined according to the bandwidth of the subband used for downlink transmission indicated by the subband allocation information;
  • the bandwidth of the subband used for uplink transmission can be calculated based on the bandwidth of the BWP and the bandwidth of the subband used for downlink transmission indicated by the subband allocation information;
  • the difference between the bandwidth of the BWP and the bandwidth of the subband used for downlink transmission is used as the bandwidth of the subband used for uplink transmission; or,
  • the remaining bandwidth obtained by subtracting the bandwidth of the subband used for downlink transmission and the guard interval from the bandwidth of the BWP is used as the bandwidth of the subband used for uplink transmission.
  • the number of bits in the FDRA domain corresponding to the PUSCH is determined based on the calculated bandwidth of the subband used for uplink transmission.
  • the resource allocation modes of the embodiment of the present disclosure include but are not limited to resource allocation mode 0 and resource allocation mode 1;
  • NRBG_U is the number of bits in the FDRA domain corresponding to PUSCH, is the bandwidth of the subband used for uplink transmission, is the starting CRB number of the subband used for uplink transmission, P is the number of PRBs included in an RBG group, Represents the upward rounding operation, and mod is the remainder operation.
  • resource allocation mode 1 calculates the number of bits in the FDRA domain corresponding to PUSCH according to the following formula:
  • NRBG_U is the number of bits in the FDRA domain corresponding to PUSCH, is the bandwidth of the subband used for uplink transmission, Indicates rounding up operation.
  • the resource allocation modes of the embodiment of the present disclosure include but are not limited to resource allocation mode 0 and resource allocation mode 1;
  • NRBG_D is the number of bits in the FDRA domain corresponding to PDSCH, is the bandwidth of the subband used for downlink transmission, is the starting CRB number of the subband used for downlink transmission, P is the number of PRBs included in an RBG group, Represents the upward rounding operation, and mod is the remainder operation.
  • resource allocation mode 1 calculates the number of bits in the FDRA domain corresponding to the PDSCH according to the following formula:
  • NRBG_D is the number of bits in the FDRA domain corresponding to PDSCH, is the bandwidth of the subband used for downlink transmission, Indicates rounding up operation.
  • the subband allocation information within a BWP assuming that the subband allocation information indicates that 48 RBs of a BWP numbered 29 to 76 are used for uplink transmission, then the subband bandwidth used for uplink transmission for 48 RBs.
  • the currently used resource allocation mode is resource allocation mode 0, then the number of bits in the FDRA domain corresponding to the PDSCH Bit;
  • the currently used resource allocation mode is resource allocation mode 1
  • the number of bits in the FDRA domain corresponding to the PDSCH bits is resource allocation mode 1
  • the overall flow chart of the DCI determination method according to the embodiment of the present disclosure may specifically include the following steps:
  • Step S401 Determine the subband allocation information within a BWP configured for the terminal;
  • step S402 If the subband allocation information indicates the subband used for uplink transmission, step S402 is executed; if the subband allocation information indicates the subband used for downlink transmission, step S403 is executed;
  • Step S402 Determine the bandwidth of the subband used for downlink transmission based on the bandwidth of the BWP and the bandwidth of the subband used for uplink transmission;
  • Step S403 Determine the bandwidth of the subband used for uplink transmission based on the bandwidth of the BWP and the bandwidth of the subband used for downlink transmission;
  • Step S404 Determine the number of bits of the FDRA domain corresponding to the PUSCH according to the bandwidth of the subband used for uplink transmission; and determine the number of bits of the FDRA domain corresponding to the PDSCH according to the bandwidth of the subband used for downlink transmission.
  • Method 2 The subband allocation information indication is used for subbands with at least two discontinuous target transmission directions in the BWP;
  • the subband allocation information indicates that there are at least two discontinuous subbands used for uplink transmission in the BWP, and/or there are at least two discontinuous subbands used for downlink transmission.
  • An optional implementation is to determine the FDRA domain in the DCI according to the following method:
  • the source allocation mode determines the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • the subband allocation information indicates that there are at least two discontinuous uplink transmission subbands and one downlink transmission subband within the BWP; then for the uplink transmission subband, the subband of each subband in the target transmission direction can be The bandwidth and/or starting position, as well as the currently used resource allocation mode, determine the number of bits of the FDRA domain corresponding to PUSCH; for the subband of downlink transmission, the number of bits of the FDRA domain corresponding to PDSCH can be determined according to the method introduced in method 1 above. Number of bits.
  • the following introduction to method 2 focuses on the method of determining the number of bits in the FDRA domain corresponding to the physical shared channels of at least two discontinuous target transmission directions.
  • the number of bits in the FDRA domain corresponding to the PUSCH is determined according to the following method:
  • the number of RBGs corresponding to each subband of uplink transmission is determined based on the bandwidth and starting position of each subband of uplink transmission; The sum of the number of RBGs is used as the number of bits in the FDRA domain corresponding to PUSCH.
  • the number of RBGs corresponding to the subband is determined according to the following formula:
  • NRBG_U is the number of RBGs corresponding to the uplink transmission subband, is the bandwidth of a subband for uplink transmission, is the starting CRB number of a subband for uplink transmission, and P is the number of PRBs included in an RBG group, Represents the upward rounding operation, and mod is the remainder operation.
  • resource allocation mode 1 determines the number of bits used to indicate the subbands used for frequency domain resource allocation based on the number of subbands for uplink transmission in the BWP; and, based on at least two discontinuous The bandwidth of the subband with the largest bandwidth among the subbands used for uplink transmission determines the number of bits in the FDRA domain corresponding to the PUSCH.
  • the number of bits used to indicate the subband used for frequency domain resource allocation is determined according to the following formula:
  • n ceil(log2(N));
  • n is the number of bits used to indicate the subbands used for frequency domain resource allocation
  • N is the number of subbands for uplink transmission in the BWP
  • ceil() represents an operation that returns the smallest integer greater than or equal to the specified expression.
  • the number of bits in the FDRA domain corresponding to PUSCH can be determined according to the following formula. number:
  • NRBG_U is the number of bits in the FDRA domain corresponding to PUSCH, is the bandwidth of the subband used for uplink transmission, Indicates rounding up operation.
  • the positional relationship between the bits used to indicate the subband used for frequency domain resource allocation and the bits of the FDRA domain corresponding to the PUSCH is not limited; for example, the bit used to indicate the subband used for frequency domain resource allocation can be placed in Before or after the bits of the FDRA field corresponding to the PUSCH. Or the protocol predetermines the positional relationship between the bits used to indicate the subband used for frequency domain resource allocation and the bits of the FDRA domain corresponding to the PUSCH.
  • the specific steps may include the following:
  • Step S501 Determine the subband allocation information within a BWP configured for the terminal;
  • step S502 If the currently used resource allocation mode is resource allocation mode 0, then execute step S502; if the currently used resource allocation mode is resource allocation mode 1, then execute step S504;
  • Step S502 Determine the number of RBGs corresponding to each subband of uplink transmission according to the bandwidth and starting position of each subband of uplink transmission;
  • Step S503 Use the sum of the number of RBGs corresponding to each subband in uplink transmission as the number of bits in the FDRA domain corresponding to PUSCH;
  • Step S504 Determine the number of bits used to indicate the subbands used for frequency domain resource allocation according to the number of subbands for uplink transmission in the BWP;
  • Step S505 Determine the number of bits in the FDRA domain corresponding to the PUSCH based on the bandwidth of the subband with the largest bandwidth among at least two discontinuous subbands used for uplink transmission.
  • the number of bits in the FDRA domain corresponding to the PDSCH is determined according to the following method:
  • the number of RBGs corresponding to each subband of downlink transmission is determined based on the bandwidth and starting position of each subband of downlink transmission; The sum of the number of RBGs is used as the number of bits in the FDRA domain corresponding to the PDSCH.
  • the number of RBGs corresponding to the subband is determined according to the following formula:
  • NRBG_D is the number of RBGs corresponding to the subband of downlink transmission, is the bandwidth of a subband for downlink transmission, is the starting CRB number of a subband for downlink transmission, and P is the number of PRBs included in an RBG group, Represents the upward rounding operation, and mod is the remainder operation.
  • resource allocation mode 1 determines the number of bits used to indicate the subbands used for frequency domain resource allocation based on the number of subbands for downlink transmission in the BWP; and, based on at least two discontinuous The bandwidth of the subband with the largest bandwidth among the subbands used for downlink transmission determines the number of bits in the FDRA domain corresponding to the PDSCH.
  • the number of bits used to indicate the subband used for frequency domain resource allocation is determined according to the following formula:
  • n ceil(log2(N));
  • n is the number of bits used to indicate the subbands used for frequency domain resource allocation
  • N is the number of subbands for downlink transmission within the BWP
  • ceil() represents an operation that returns the smallest integer greater than or equal to the specified expression.
  • the number of bits in the FDRA domain corresponding to the PDSCH when determining the number of bits in the FDRA domain corresponding to the PDSCH based on the bandwidth of the subband with the largest bandwidth among at least two discontinuous subbands used for downlink transmission, it can be determined according to the following formula The number of bits in the FDRA domain corresponding to PDSCH:
  • NRBG_D is the number of bits in the FDRA domain corresponding to PDSCH, is the bandwidth of the subband used for downlink transmission, Indicates rounding up operation.
  • the positional relationship between the bits used to indicate the subband used for frequency domain resource allocation and the bits of the FDRA domain corresponding to the PDSCH is not limited; for example, the bit used to indicate the subband used for frequency domain resource allocation can be placed Before or after the bits of the FDRA field corresponding to the PDSCH. Or the protocol predetermines the positional relationship between the bits used to indicate the subband used for frequency domain resource allocation and the bits of the FDRA domain corresponding to the PDSCH.
  • the specific steps may include the following:
  • Step S601 Determine the subband allocation information within a BWP configured for the terminal;
  • step S602 If the currently used resource allocation mode is resource allocation mode 0, then execute step S602; if the currently used resource allocation mode is resource allocation mode 1, then execute step S604;
  • Step S602 Determine the number of RBGs corresponding to each subband of downlink transmission according to the bandwidth and starting position of each subband of downlink transmission;
  • Step S603 Use the sum of the number of RBGs corresponding to each subband of downlink transmission as the number of bits in the FDRA domain corresponding to the PDSCH;
  • Step S604 Determine the number of bits used to indicate the subbands used for frequency domain resource allocation according to the number of subbands for downlink transmission in the BWP;
  • Step S605 Determine the number of bits in the FDRA domain corresponding to the PDSCH based on the bandwidth of the subband with the largest bandwidth among at least two discontinuous subbands used for downlink transmission.
  • the subband allocation information within a BWP as shown in Figure 3 assume that the subband allocation information indicates one subband for uplink transmission and two subbands for downlink transmission; and a BWP numbered 48 from 29 to 76 RBs are used for uplink transmission, and the subband bandwidth used for uplink transmission is 48 RBs.
  • the two downlink transmission subbands include subbands numbered 0 to 28 and subbands 77 to 105, and are numbered
  • the CRB numbers corresponding to the subbands 0 to 28 are 65 to 93
  • the CRB numbers corresponding to the subbands numbered 77 to 105 are 142 to 170.
  • the number of RBGs corresponding to each subband of downlink transmission is determined.
  • resource allocation mode 1 If the resource allocation mode currently used is resource allocation mode 1.
  • the number of bits used to indicate the subbands used for frequency domain resource allocation is determined according to the number of subbands for downlink transmission in the BWP; and , determine the number of bits in the FDRA domain corresponding to the PDSCH based on the bandwidth of the subband with the largest bandwidth among at least two discontinuous subbands used for downlink transmission.
  • the bandwidth of the two subbands used for downlink transmission is both 29, then according to any subband The bandwidth determines the number of bits in the FDRA domain corresponding to the PDSCH:
  • the DCI after determining the FDRA domain in the DCI according to the subband allocation information, if the bandwidths of the subbands in the target transmission direction in different time units are different, the DCI is used in the target time unit. carry out transmission;
  • the target time unit is determined according to the following method:
  • the reference time unit in which DCI cannot be used is determined; other time units except the reference time unit are used as the target time unit.
  • the DCI determined using the DCI determination method introduced above in the embodiments of the present disclosure is a reduced DCI compared with the related technology.
  • the time slot position of the full BWP bandwidth occupied by the uplink is determined according to the K2 set used to represent the scheduling timing relationship and the uplink Determine the reference time unit;
  • the reference time unit is determined based on the K0 set used to represent the scheduling timing relationship and the time slot position of the downlink occupying the full BWP bandwidth.
  • the PUSCH transmitted in slots #7 to #9 needs to determine the FDRA domain in the DCI based on the BWP bandwidth, and the PUSCH transmitted in the uplink subband of slots #2 to #6 can be based on the bandwidth of the subband.
  • the FDRA domain of the DCI is determined, and since there is a certain time slot interval between the DCI of the PUSCH and the corresponding PUSCH transmission, the K2 set can be determined based on the configured TDRA.
  • the PDSCH transmitted in slots #0 ⁇ #1 needs to determine the FDRA in DCI based on the BWP bandwidth.
  • the PDSCH transmitted in the downlink subband of time slots #2 ⁇ #6 can determine the FDRA domain of the DCI based on the bandwidth of the subband. Since there may also be a certain time slot interval between the DCI of the PDSCH and the corresponding PUSCH transmission, then Configuration-based TDRA is required to determine the K0 set. Determine which time slots to use the reduced DCI for transmission based on the bandwidth and scheduling timing relationship corresponding to the PDSCH or PUSCH transmission time slot.
  • Case 1 The K2 set only contains one value of 4, then based on the configured K2 set and the uplink time slot position (time slots #7 ⁇ #9) occupying the full BWP bandwidth, it can be determined to be in time slots #3 ⁇ #5 Reduced DCI for scheduling PUSCH transmission cannot be used. Then the reduced DCI can be transmitted in the remaining time slots (time slots #0 ⁇ #2) for scheduling PUSCH transmission; for example, DCI is transmitted in time slot #0, the K2 value is 4, and PUSCH in time slot #4 is scheduled. Transmission can be scheduled using reduced DCI; DCI is transmitted in time slot #3 and PUSCH transmission in time slot #7 is scheduled. If the K2 value is 4, reduced DCI cannot be used for scheduling.
  • Case 2 The values contained in the K2 set are ⁇ 2, 3, 4, 5 ⁇ , then based on the configured K2 set and the uplink time slot positions (time slots #7 ⁇ #9) occupying the full BWP bandwidth, it can be determined at the time
  • the reduced DCI for scheduling PUSCH transmission cannot be used in slots #2 to #7.
  • the reduced DCI can be transmitted in the remaining time slots (time slots #0 ⁇ #1) for scheduling PUSCH transmission; for example, DCI is transmitted in time slot #0, the K2 value is 5, and PUSCH in time slot #6 is scheduled. Transmission can be scheduled using reduced DCI; DCI is transmitted in time slot #2, and the K2 value is 3.
  • PUSCH transmission in scheduled time slot #5 cannot be scheduled using reduced DCI because the DCI in time slot #2 is still It is possible to schedule PUSCH transmission in time slot #7.
  • the size of DCI scheduled in different time slots cannot be changed when transmitting in one time slot. Therefore, it is always determined according to the larger bandwidth and cannot be reduced.
  • Case 3 The value contained in the K0 set is ⁇ 0 ⁇ . Based on the configured K0 set and the downlink timeslot (timeslot #0 ⁇ #1) occupying the full BWP bandwidth, the location can be determined to be in timeslot #0 ⁇ #1.
  • the reduced DCI used to schedule PDSCH transmission cannot be used in .
  • Reduced DCI can be transmitted in the remaining time slots (time slots #2 ⁇ #6) for scheduling PDSCH transmission; for example, DCI is transmitted in time slot #0, the K0 value is 0, and PDSCH transmission in time slot #0 is scheduled. , the reduced DCI is not used for scheduling; DCI is transmitted in time slot #3, and the PDSCH transmission in time slot #3 is scheduled. If the K0 value is 0, the reduced DCI is used for scheduling.
  • Case 4 The value contained in the K0 set is ⁇ 0,1,2,3,4,5 ⁇ , based on the configured K0 set and the downlink time slot (time slot #0 ⁇ #1) position that occupies the full BWP bandwidth It can be determined that the reduced DCI for scheduling PDSCH transmission cannot be used in slots #0 to #1 and slots #5 to #6. Reduced DCI can be transmitted in the remaining time slots (time slots #2 to #4) for scheduling PDSCH transmission.
  • DCI is transmitted in time slot #0, K0 value is 3, PDSCH transmission in time slot #3 is scheduled, and the reduced DCI is not used for scheduling (because the DCI in time slot #0 may also schedule the PDSCH transmission in time slot #0 PDSCH transmission); DCI is transmitted in time slot #3, and PDSCH transmission in time slot #5 is scheduled. If the K0 value is 2, the reduced DCI is used for scheduling.
  • an embodiment of the present disclosure provides a DCI determination device, where the DCI determination device can be a terminal; as shown in Figure 8, an embodiment of the present disclosure provides a terminal, including a memory 801, a processor 802 and a transceiver 803 ;
  • the memory 801 is used to store computer programs
  • the transceiver 803 is used to send and receive data under the control of the processor 802;
  • the processor 802 is used to read the computer program in the memory 801 and perform the following operations:
  • the subband allocation information indicates the subband used for uplink transmission and/or the subband used for downlink transmission;
  • the FDRA domain in the DCI is determined.
  • the subband allocation information indicates the subband used for uplink transmission
  • the processor 802 is specifically used to:
  • the number of bits of the FDRA domain corresponding to the PUSCH is determined; and according to the bandwidth of the subband used for downlink transmission, the number of bits of the FDRA domain corresponding to the PDSCH is determined.
  • the subband allocation information indicates the subband used for downlink transmission
  • the number of bits of the FDRA domain corresponding to the PUSCH is determined; and according to the bandwidth of the subband used for downlink transmission, the number of bits of the FDRA domain corresponding to the PDSCH is determined.
  • the subband allocation information indicates that there are at least two discontinuous subbands in the target transmission direction in the BWP;
  • the processor 802 is specifically used to:
  • the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction is determined.
  • resource allocation mode 0 if the currently used resource allocation mode is resource allocation mode 0;
  • the processor 802 is specifically used to:
  • each sub-band in the target transmission direction determines the number of RBGs corresponding to each sub-band in the target transmission direction
  • the sum of the number of RBGs corresponding to each subband in the target transmission direction is taken as the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • the processor 802 is specifically configured to determine the corresponding number of RBGs according to the following formula:
  • NRBG is the number of RBGs corresponding to the subband in the target transmission direction, is the bandwidth of a subband in the target transmission direction, is the starting CRB number of a subband in the target transmission direction, and P is the number of PRBs included in an RBG group, Represents the upward rounding operation, and mod is the remainder operation.
  • resource allocation mode 1 if the currently used resource allocation mode is resource allocation mode 1;
  • the processor 802 is specifically used to:
  • the bandwidth of the largest subband determines the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • processor 802 is also used to:
  • the processor 802 determines the target time unit according to the following method:
  • the scheduling timing relationship and the time slot position of the target transmission direction occupying the full BWP bandwidth determine the reference time unit in which the DCI cannot be used; use other time units except the reference time unit as the target time unit.
  • processor 802 is specifically used to:
  • the reference time unit is determined based on the K2 set used to represent the scheduling timing relationship and the time slot position of the uplink occupying the full BWP bandwidth; and /or
  • the reference time unit is determined based on the K0 set used to represent the scheduling timing relationship and the time slot position of the downlink occupying the full BWP bandwidth.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 802 and various circuits of the memory represented by memory 801 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are all well known in the art and therefore will not be described further herein.
  • the bus interface provides the interface.
  • the transceiver 803 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, etc. Transmission medium.
  • the user interface 804 can also be capable of externally connecting internally required equipment.
  • Interface, connected devices include but are not limited to keypads, monitors, speakers, microphones, joysticks, etc.
  • the processor 802 may be a central processing unit (CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex). Programmable Logic Device (CPLD), the processor can also adopt a multi-core architecture.
  • CPU central processing unit
  • ASIC Application Specific Integrated Circuit
  • FPGA field programmable gate array
  • Complex complex programmable logic device
  • CPLD Programmable Logic Device
  • the processor can also adopt a multi-core architecture.
  • the processor is configured to execute any of the DCI determination methods provided by the embodiments of the present disclosure according to the obtained executable instructions by calling the computer program stored in the memory.
  • the processor and memory can also be physically separated.
  • the embodiment of the present disclosure provides a DCI determination device, which may also be a network device; as shown in Figure 9, the embodiment of the present disclosure provides a network device, including a memory 901, a processor 902 and a transceiver 903;
  • the transceiver 903 is used to send and receive data under the control of the processor 902;
  • the processor 902 is used to read the computer program in the memory 901 and perform the following operations:
  • the subband allocation information indicates the subband used for uplink transmission and/or the subband used for downlink transmission;
  • the FDRA domain in the DCI is determined.
  • the subband allocation information indicates the subband used for uplink transmission
  • the processor 902 is specifically used to:
  • the number of bits of the FDRA domain corresponding to the PUSCH is determined; and according to the bandwidth of the subband used for downlink transmission, the number of bits of the FDRA domain corresponding to the PDSCH is determined.
  • the subband allocation information indicates the subband used for downlink transmission
  • the processor 902 is specifically used to:
  • the number of bits of the FDRA domain corresponding to the PUSCH is determined; and according to the bandwidth of the subband used for downlink transmission, the number of bits of the FDRA domain corresponding to the PDSCH is determined.
  • the subband allocation information indicates that there are at least two discontinuous subbands in the target transmission direction in the BWP;
  • the processor 902 is specifically used to:
  • the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction is determined.
  • resource allocation mode 0 if the currently used resource allocation mode is resource allocation mode 0;
  • the processor 902 is specifically used to:
  • each sub-band in the target transmission direction determines the number of RBGs corresponding to each sub-band in the target transmission direction
  • the sum of the number of RBGs corresponding to each subband in the target transmission direction is taken as the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • the processor 902 is specifically configured to determine the corresponding number of RBGs according to the following formula:
  • NRBG is the number of RBGs corresponding to the subband in the target transmission direction, is the bandwidth of a subband in the target transmission direction, is the starting CRB number of a subband in the target transmission direction, and P is the number of PRBs included in an RBG group, Represents the upward rounding operation, and mod is the remainder operation.
  • resource allocation mode 1 if the currently used resource allocation mode is resource allocation mode 1;
  • the processor 902 is specifically used to:
  • the bandwidth of the largest subband determines the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • processor 902 is also used to:
  • the processor 902 determines the target time unit according to the following method:
  • the scheduling timing relationship and the time slot position of the target transmission direction occupying the full BWP bandwidth determine the reference time unit in which the DCI cannot be used; use other time units except the reference time unit as the target time unit.
  • processor 902 is specifically used to:
  • the reference time unit is determined based on the K2 set used to represent the scheduling timing relationship and the time slot position of the uplink occupying the full BWP bandwidth; and /or
  • the reference time unit is determined based on the K0 set used to represent the scheduling timing relationship and the time slot position of the downlink occupying the full BWP bandwidth.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 902 and various circuits of the memory represented by memory 901 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are all well known in the art and therefore will not be described further herein.
  • the bus interface provides the interface.
  • the transceiver 903 may be a plurality of elements, i.e., including a transmitter and a receiver, providing a unit for communicating with various other devices over a transmission medium, These transmission media include wireless channels, wired channels, optical cables and other transmission media.
  • the processor 902 is responsible for managing the bus architecture and general processing, and the memory 901 can store data used by the processor 902 when performing operations.
  • the processor 902 can be a CPU, ASIC, FPGA or CPLD, and the processor can also adopt a multi-core architecture.
  • the processor is configured to execute any of the DCI determination methods provided by the embodiments of the present disclosure according to the obtained executable instructions by calling the computer program stored in the memory.
  • the processor and memory can also be physically separated.
  • an embodiment of the present disclosure provides a DCI determination device.
  • the device includes:
  • Determining module 1001 configured to determine subband allocation information within a BWP configured for the terminal; wherein the subband allocation information indicates the subband used for uplink transmission and/or the subband used for downlink transmission;
  • the processing module 1002 is configured to determine the FDRA domain in the DCI according to the subband allocation information.
  • the subband allocation information indicates the subband used for uplink transmission
  • the processing module 1002 is specifically used to:
  • the number of bits of the FDRA domain corresponding to the PUSCH is determined; and according to the bandwidth of the subband used for downlink transmission, the number of bits of the FDRA domain corresponding to the PDSCH is determined.
  • the subband allocation information indicates the subband used for downlink transmission
  • the processing module 1002 is specifically used to:
  • the number of bits of the FDRA domain corresponding to the PUSCH is determined; and according to the bandwidth of the subband used for downlink transmission, the number of bits of the FDRA domain corresponding to the PDSCH is determined.
  • the subband allocation information indicates that there are at least two discontinuous targets in the BWP Subbands in the transmission direction;
  • the processing module 1002 is specifically used to:
  • the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction is determined.
  • resource allocation mode 0 if the currently used resource allocation mode is resource allocation mode 0;
  • the processing module 1002 is specifically used to:
  • each sub-band in the target transmission direction determines the number of RBGs corresponding to each sub-band in the target transmission direction
  • the sum of the number of RBGs corresponding to each subband in the target transmission direction is taken as the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • the processing module 1002 is specifically configured to determine the corresponding number of RBGs according to the following formula:
  • NRBG is the number of RBGs corresponding to the subband in the target transmission direction, is the bandwidth of a subband in the target transmission direction, is the starting CRB number of a subband in the target transmission direction, and P is the number of PRBs included in an RBG group, Represents the upward rounding operation, and mod is the remainder operation.
  • resource allocation mode 1 if the currently used resource allocation mode is resource allocation mode 1;
  • the processing module 1002 is specifically used to:
  • the bandwidth of the largest subband determines the number of bits in the FDRA domain corresponding to the physical shared channel in the target transmission direction.
  • processing module 1002 is also used to:
  • the DCI After determining the FDRA domain in the DCI according to the subband allocation information, if a single If the sub-bands of the target transmission directions in the unit have different bandwidths, the DCI is used for transmission in the target time unit;
  • the processing module 1002 determines the target time unit according to the following method:
  • the scheduling timing relationship and the time slot position of the target transmission direction occupying the full BWP bandwidth determine the reference time unit in which the DCI cannot be used; use other time units except the reference time unit as the target time unit.
  • processing module 1002 is specifically used to:
  • the reference time unit is determined based on the K2 set used to represent the scheduling timing relationship and the time slot position of the uplink occupying the full BWP bandwidth; and /or
  • the reference time unit is determined based on the K0 set used to represent the scheduling timing relationship and the time slot position of the downlink occupying the full BWP bandwidth.
  • each functional module in each embodiment of the present disclosure can be integrated into one module, or each module can exist physically alone, or two or more modules can be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or software function modules.
  • the integrated module is implemented in the form of a software function module and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present disclosure is essentially or contributes to the relevant technology, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, It includes several instructions to cause a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the methods described in various embodiments of the present disclosure.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk and other media that can store program code. .
  • embodiments of the present disclosure also provide a computer-readable storage medium that stores a computer program, and the computer program is used to cause the computer to execute any of the above DCI determination methods.
  • the computer-readable storage medium may be any available media or data storage device that can be accessed by a computer, including but not limited to magnetic storage (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor memories (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state drive (SSD)), etc.
  • magnetic storage such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.
  • optical storage such as CD, DVD, BD, HVD, etc.
  • semiconductor memories such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state drive (SSD)
  • embodiments of the present disclosure may be provided as methods, systems, or computer program products. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment that combines software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
  • computer-usable storage media including, but not limited to, disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions may also be stored in a computer-readable memory that causes a computer or other programmable data processing apparatus to operate in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction means, the instructions
  • the device implements the functions specified in a process or processes of the flowchart and/or a block or blocks of the block diagram.
  • These computer program instructions may also be loaded onto a computer or other programmable data processing device, causing a series of operating steps to be performed on the computer or other programmable device to produce computer-implemented processing, thereby executing on the computer or other programmable device.
  • Instructions are provided for implementing the flowchart A process or processes and/or block diagram The steps of a function specified in a block or blocks.

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Abstract

La présente divulgation se rapporte, selon les modes de réalisation, au domaine technique des communications sans fil. Sont concernés en particulier un procédé, un dispositif et un appareil de détermination de DCI, qui sont utilisés pour déterminer avec précision des DCI pour un terminal duplex intégral sans chevauchement de sous-bande. Dans les modes de réalisation de la présente divulgation, des informations d'attribution de sous-bande dans une BWP configurée pour un terminal sont déterminées, les informations d'attribution de sous-bande indiquant une sous-bande utilisée pour une transmission en liaison montante et/ou une sous-bande utilisée pour une transmission en liaison descendante, puis un domaine FDRA dans les DCI est déterminé selon les informations d'attribution de sous-bande. Par rapport aux DCI dans les modes de communication FDD et TDD, les DCI déterminées d'après les informations d'attribution de sous-bande dans une BWP configurée pour un terminal sont des DCI réduites, ce qui permet d'améliorer la fiabilité de transmission des informations de commande et d'améliorer davantage les performances du système.
PCT/CN2023/081748 2022-04-29 2023-03-15 Procédé, dispositif et appareil de détermination de dci WO2023207397A1 (fr)

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