WO2021031899A1 - 一种被用于无线通信的节点中的方法和装置 - Google Patents

一种被用于无线通信的节点中的方法和装置 Download PDF

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Publication number
WO2021031899A1
WO2021031899A1 PCT/CN2020/108145 CN2020108145W WO2021031899A1 WO 2021031899 A1 WO2021031899 A1 WO 2021031899A1 CN 2020108145 W CN2020108145 W CN 2020108145W WO 2021031899 A1 WO2021031899 A1 WO 2021031899A1
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Prior art keywords
load
load size
size
target
search space
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PCT/CN2020/108145
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English (en)
French (fr)
Inventor
刘铮
张晓博
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上海朗帛通信技术有限公司
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Publication of WO2021031899A1 publication Critical patent/WO2021031899A1/zh
Priority to US17/669,391 priority Critical patent/US20220166574A1/en

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    • 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
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
    • H04L1/0008—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length by supplementing frame payload, e.g. with padding bits
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

Definitions

  • This application relates to a transmission method and device in a wireless communication system, and in particular to a transmission scheme and device for control information in wireless communication.
  • V2X Vehicle-to-Everything
  • 3GPP has also started standard formulation and research work under the NR framework.
  • 3GPP has completed the formulation of requirements for 5G V2X services and has written it into the standard TS22.886.
  • 3GPP has identified and defined 4 Use Case Groups for 5G V2X services, including: Vehicles Platnooning, Support for Extended Sensors, Semi/Full Automatic Driving (Advanced Driving) and Remote Driving (Remote Driving).
  • SI Study Item
  • NR V2X Compared with the existing LTE V2X system, NR V2X has a notable feature in that it can support multicast and unicast as well as HARQ (Hybrid Automatic Repeat Request) functions.
  • NR V2X also supports network-controlled accompanying link transmission (for example, NR V2X mode one, or LTE V2X mode three).
  • DCI Downlink Control Information
  • NR V2X it is also possible to introduce a new DCI (Downlink Control Information) format to support network-controlled accompanying link transmission.
  • the design of DCI for NR V2X requires a solution.
  • other NR discussions such as URLLC enhancement discussions or MIMO enhancement discussions, it is also possible to introduce new DCI formats.
  • the solution in this application may also be applied to DCI design in application scenarios other than NR V2X, and even Applied to the design of SCI (Sidelink Control Information, accompanying link control information).
  • This application discloses a method used in a first communication node in wireless communication, which is characterized in that it includes:
  • the target search space is used to determine X load sizes, the target load size is equal to one load size of the X load sizes, the X is a positive integer, and any one of the X load sizes Is a positive integer; when the X is greater than 1 and one of the X load sizes is not less than the first load size, the target load size is equal to that of the X load sizes and is not less than the first load size.
  • the target load size is equal to one of the X load sizes, thereby ensuring that the payload size of the newly introduced DCI format is aligned with the existing load size, reducing user equipment While minimizing the complexity of detection on existing designs (or minimizing the impact of accompanying link services on cellular services), it ensures backward compatibility.
  • the above method is characterized in that it further includes:
  • the target search space is a public search space, or the target search space is a user equipment specific search space; the second information is used to determine whether the target search space is a public search space or a user equipment specific search space.
  • the above method is characterized in that, when the target search space is a common search space, the X is equal to 1 and the target payload size is equal to the payload size of the control information in the first control information format,
  • the control information in the first control information format can be used to schedule a physical downlink shared channel in a common search space.
  • the above method is characterized in that, when the target search space is a user equipment specific search space, the second information is also used to determine Y control information formats, and the Y is greater than 1. A positive integer; the Y control information formats are used to determine the X load sizes.
  • the above method is characterized in that a first bit sequence is used to generate the first signaling, and the first payload size is equal to the number of bits included in the first bit sequence;
  • the first bit sequence When the target load size is greater than the first load size, the first bit sequence generates the load of the first signaling by adding padding bits, and the first load size and the load of the first signaling are The sum of the number of padding bits included is equal to the target load size; when the target load size is smaller than the first load size, the first bit sequence generates the load of the first signaling through bit reduction, The number of deleted bits of the first bit sequence is equal to the difference between the first payload size and the target payload size.
  • the above method is characterized in that when the target load size is smaller than the first load size, the first bit sequence is deleted by M bits to generate the load of the first signaling ,
  • the M bits including M1 bits belong to the first domain in the first bit sequence, the first domain is used to indicate frequency domain resources, the M is a positive integer, and the M1 is not greater than all The positive integer of M.
  • the above method is characterized in that it further includes:
  • the first signaling is detected, the first signaling is used to determine the time-frequency resource occupied by the first signal, and the operation is sending or the operation is receiving.
  • This application discloses a method used in a second communication node in wireless communication, which is characterized in that it includes:
  • the target search space is used to determine X load sizes, the target load size is equal to one load size of the X load sizes, the X is a positive integer, and any one of the X load sizes Is a positive integer; when the X is greater than 1 and one of the X load sizes is not less than the first load size, the target load size is equal to that of the X load sizes and is not less than the first load size.
  • the above method is characterized in that it further includes:
  • the target search space is a public search space, or the target search space is a user equipment specific search space; the second information is used to indicate whether the target search space is a public search space or a user equipment specific search space.
  • the above method is characterized in that, when the target search space is a common search space, the X is equal to 1 and the target payload size is equal to the payload size of the control information in the first control information format,
  • the control information in the first control information format can be used to schedule a physical downlink shared channel in a common search space.
  • the above method is characterized in that, when the target search space is a user equipment specific search space, the second information is also used to indicate Y control information formats, and the Y is greater than 1. A positive integer; the Y control information formats are used to determine the X load sizes.
  • the above method is characterized in that a first bit sequence is used to generate the first signaling, and the first payload size is equal to the number of bits included in the first bit sequence;
  • the first bit sequence When the target load size is greater than the first load size, the first bit sequence generates the load of the first signaling by adding padding bits, and the first load size and the load of the first signaling are The sum of the number of padding bits included is equal to the target load size; when the target load size is smaller than the first load size, the first bit sequence generates the load of the first signaling through bit reduction, The number of deleted bits of the first bit sequence is equal to the difference between the first payload size and the target payload size.
  • the above method is characterized in that when the target load size is smaller than the first load size, the first bit sequence is deleted by M bits to generate the load of the first signaling ,
  • the M bits including M1 bits belong to the first domain in the first bit sequence, the first domain is used to indicate frequency domain resources, the M is a positive integer, and the M1 is not greater than all The positive integer of M.
  • the above method is characterized in that it further includes:
  • the first signaling is used to determine the time-frequency resource occupied by the first signal, and the execution is reception or the execution is transmission.
  • This application discloses a first communication node device used in wireless communication, which is characterized in that it includes:
  • a first receiver receiving first information, where the first information is used to determine a first load size, and the first load size is a positive integer;
  • the second receiver monitors the first signaling in the target search space, and the load size of the load of the first signaling is equal to the target load size
  • the target search space is used to determine X load sizes, the target load size is equal to one load size of the X load sizes, the X is a positive integer, and any one of the X load sizes Is a positive integer; when the X is greater than 1 and one of the X load sizes is not less than the first load size, the target load size is equal to that of the X load sizes and is not less than the first load size.
  • the above-mentioned first communication node device is characterized in that it further includes:
  • the first processor operates the first signal
  • the first signaling is detected, the first signaling is used to determine the time-frequency resource occupied by the first signal, and the operation is sending or the operation is receiving.
  • This application discloses a second communication node device used in wireless communication, which is characterized in that it includes:
  • the first transmitter sends first information, where the first information is used to determine a first load size, and the first load size is a positive integer;
  • the second transmitter sends the first signaling in the target search space, and the load size of the load of the first signaling is equal to the target load size
  • the target search space is used to determine X load sizes, the target load size is equal to one load size of the X load sizes, the X is a positive integer, and any one of the X load sizes Is a positive integer; when the X is greater than 1 and one of the X load sizes is not less than the first load size, the target load size is equal to that of the X load sizes and is not less than the first load size.
  • the above-mentioned second communication node device is characterized in that it further includes:
  • the second processor executes the first signal
  • the first signaling is used to determine the time-frequency resource occupied by the first signal, and the execution is reception or the execution is transmission.
  • the method in this application has the following advantages:
  • Fig. 1 shows a flowchart of first information and first signaling according to an embodiment of the present application
  • Figure 2 shows a schematic diagram of a network architecture according to an embodiment of the present application
  • FIG. 3 shows a schematic diagram of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application
  • Fig. 4 shows a schematic diagram of a first communication node device and a second communication node device according to an embodiment of the present application
  • FIG. 5 shows a wireless signal transmission flowchart according to an embodiment of the present application
  • Fig. 6 shows a wireless signal transmission flowchart according to another embodiment of the present application.
  • Fig. 7 shows a wireless signal transmission flowchart according to another embodiment of the present application.
  • FIG. 8 shows a schematic diagram of the relationship between the target load size and the first control information format according to an embodiment of the present application
  • FIG. 9 shows a schematic diagram of the relationship between Y control information formats and X load sizes according to an embodiment of the present application.
  • FIG. 10 shows a schematic diagram of the relationship between the first load size and the target load size according to an embodiment of the present application
  • FIG. 11 shows a schematic diagram of the relationship between M1 bits and the first field according to an embodiment of the present application
  • Fig. 12 shows a schematic diagram of a calculation process of a target load size according to an embodiment of the present application
  • Fig. 13 shows a structural block diagram of a processing device in a first communication node device according to an embodiment of the present application
  • Fig. 14 shows a structural block diagram of a processing device in a second communication node device according to an embodiment of the present application.
  • Embodiment 1 illustrates a flowchart of the first information and the first signaling according to an embodiment of the present application, as shown in FIG. 1.
  • each box represents a step. It should be particularly emphasized that the order of each box in the figure does not represent the time sequence relationship between the steps shown.
  • the first communication node device in this application receives first information in step 101, and the first information is used to determine a first load size, and the first load size is a positive integer; in step 102 In the target search space, the first signaling is monitored in the target search space, and the load size of the load of the first signaling is equal to the target load size; wherein the target search space is used to determine X load sizes, and the target load size is equal to One of the X load sizes, where X is a positive integer, and any one of the X load sizes is a positive integer; when the X is greater than 1 and one of the X load sizes is not When the load size is smaller than the first load size, the target load size is equal to the load size that is not smaller than the first load size and has the smallest difference from the first load size among the X load sizes; when the When X is greater than 1 and any one of the X load sizes is smaller than the first load size, the target load size is equal to the largest load size among the X load sizes
  • the first information is transmitted through an air interface.
  • the first information is transmitted through a wireless interface.
  • the first information is transmitted through the PC5 interface.
  • the first information is transmitted through a Uu interface.
  • the first information is transmitted through a side link (Sidelink).
  • the first information is carried by a baseband (Baseband) signal.
  • Baseband baseband
  • the first information is carried by a radio frequency (RF, Radio Frequency) signal.
  • RF Radio Frequency
  • the first information is transmitted inside the first communication node device.
  • the first information includes high-level information, and the first information is transferred from the high-level of the first communication node device to the physical layer of the first communication node device.
  • the first information is pre-configured (Pre-configured).
  • the first information includes all or part of a preconfigured RRC (Radio Resource Control) IE (Information Element, information element).
  • RRC Radio Resource Control
  • the first information includes physical layer information.
  • the first information includes dynamic information.
  • the first information is semi-static information.
  • the first information includes all or part of information in a SIB (System Information Block, system information block).
  • SIB System Information Block, system information block
  • the first information includes all or part of the information in the MIB (Master Information Block, master information block).
  • MIB Master Information Block, master information block.
  • the first information includes all or part of an RRC (Radio Resource Control, radio resource control) signaling.
  • RRC Radio Resource Control, radio resource control
  • the first information is cell-specific (Cell Specific/Cell Common).
  • the first information is user-specific (UE Specific/Dedicated).
  • the first information is zone-specific (Zone-Specific).
  • the first information is broadcast.
  • the first information is unicast.
  • the first information includes all or part of a field in a DCI (Downlink Control Information, Downlink Control Information).
  • DCI Downlink Control Information, Downlink Control Information
  • the first information is transmitted through DL-SCH (Downlink Shared Channel, downlink shared channel).
  • DL-SCH Downlink Shared Channel, downlink shared channel
  • the first information is transmitted through PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel).
  • PDSCH Physical Downlink Shared Channel, Physical Downlink Shared Channel
  • the first information is transmitted through SL-SCH (Sidelink Shared Channel, accompanying link shared channel).
  • SL-SCH Servicelink Shared Channel, accompanying link shared channel
  • the first information is transmitted through PSSCH (Physical Sidelink Shared Channel).
  • PSSCH Physical Sidelink Shared Channel
  • the first information is transmitted through PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel).
  • PDCCH Physical Downlink Control Channel, Physical Downlink Control Channel
  • the sentence "the first information is used to determine the first load size” includes the following meaning: the first information is used by the first communication node device in this application to determine the first Load size.
  • the above sentence "the first information is used to determine the first load size” includes the following meaning: the first information is used to directly indicate the first load size.
  • the above sentence "the first information is used to determine the first load size” includes the following meaning: the first information is used to indirectly determine the first load size.
  • the above sentence "the first information is used to determine the first load size” includes the following meaning: the first information is used to explicitly indicate the first load size.
  • the above sentence "the first information is used to determine the first load size” includes the following meaning: the first information is used to implicitly determine the first load size.
  • the sentence “the first information is used to determine the first load size” includes the following meaning: the first information indicates a first bandwidth part (BWP, Bandwidth Part), and the first bandwidth part is The occupied frequency domain bandwidth is used to determine the first load size.
  • BWP Bandwidth Part
  • the above sentence "the first information is used to determine the first load size” includes the following meaning: the first information indicates a first bandwidth part (BWP, Bandwidth Part), and the first bandwidth part is The number of physical resource blocks (PRB, Physical Resource Block) occupied by the frequency domain is used to determine the first load size.
  • BWP Bandwidth Part
  • PRB Physical Resource Block
  • the above sentence "the first information is used to determine the first load size” includes the following meaning: the first information indicates a first bandwidth part (BWP, Bandwidth Part), and the first bandwidth part is The number of physical resource blocks (PRB, Physical Resource Block) occupied by the frequency domain is used to determine the first load size, and the first bandwidth part may be used for a side link (Sidelink).
  • BWP Bandwidth Part
  • PRB Physical Resource Block
  • the above sentence “the first information is used to determine the first load size” includes the following meaning: the first information indicates a first frequency domain resource pool, and the first frequency domain resource The number of physical resource blocks (PRB, Physical Resource Block) occupied by the pool in the frequency domain is used to determine the first load size.
  • PRB Physical Resource Block
  • the sentence "the first information is used to determine the first load size” includes the following meaning: the first information indicates a first candidate delay set, and the first candidate delay set is A positive integer number of candidate delays are included, and the number of candidate delays included in the first candidate delay set is used to determine the first load size.
  • the above sentence "the first information is used to determine the first load size” includes the following meaning: the first information indicates whether the second field (Field) is carried in the first signaling, so Whether the first signaling carries a second field is used to determine the first load size.
  • the first load size is greater than one.
  • the first load size is not less than 12.
  • the first load size is equal to 12.
  • the first load size is greater than 12.
  • the first payload size is the number of information bits included in a DCI format (Format).
  • the first payload size is the number of information bits included in the DCI format (Format) used by the first signaling.
  • the first payload size is the number of information bits included in an SCI format (Format).
  • the first payload size is the number of information bits included in the SCI format (Format) adopted by the first signaling.
  • the first payload size is the number of information bits that can be included in the first signaling.
  • the first payload size is the sum of the number of information bits and the number of padding bits (Padding Bits) included in a DCI format (Format).
  • the first payload size is a DCI format (Format) with a number of information bits less than 12 and a DCI payload (Payload Size) obtained by adding padding bits (Padding bits), so The first load size is equal to 12.
  • the first payload size is the number of bits included in all the fields of the field (Field) in the first signaling before truncation or addition of padding bits (Padding Bits) The sum.
  • the first payload size is the number of information bits included in the first signaling before truncation (Truncation) or addition of padding bits (Padding Bits) is included.
  • the first payload size is included in all fields of the DCI format (Format) used by the first signaling before truncation or addition of padding bits (Padding Bits) The sum of the number of bits.
  • the first bit sequence in this application is used to generate the first signaling, and the first payload size is equal to the number of bits included in the first bit sequence.
  • the first payload size is equal to the number of bits included in a bit sequence used to generate the first signaling.
  • the first load size is the number of information bits that can be carried by the first signaling determined by the first communication node device in this application.
  • the target search space is a search space set (Search Space Set).
  • the target search space is a common search space (CSS, Common Search Space) or a user equipment specific search space (USS, UE-Specific Search Space).
  • CSS Common Search Space
  • USS user equipment specific search space
  • the target search space is a common search space set (CSS Set, Common Search Space Set) or a user equipment specific search space set (USS Set, UE-Specific Search Space Set).
  • the target search space includes a positive integer number of PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) candidates (Candidate).
  • PDCCH Physical Downlink Control Channel, Physical Downlink Control Channel
  • the target search space includes a positive integer number of PSCCH (Physical Sidelink Control Channel, Physical Sidelink Control Channel) candidates (Candidate).
  • PSCCH Physical Sidelink Control Channel, Physical Sidelink Control Channel
  • the target search space includes a positive integer number of candidate time-frequency resource sets for the first signaling.
  • the target search space includes a positive integer number of time-frequency resource sets that may be used to transmit the first signaling.
  • the target search space includes a positive integer number of candidates (Candidate) of the first signaling used by the first communication node device in the present application to blindly detect the first signaling.
  • the target search space includes a combination of a positive integer number of time-frequency resource sets that may be used to transmit the first signaling and a DCI format (Format) that may be used by the first signaling.
  • a DCI format Form
  • the target search space includes a combination of a positive integer number of time-frequency resource sets that may be used to transmit the first signaling and an SCI format (Format) that may be used by the first signaling.
  • SCI format Form
  • the first signaling is physical layer signaling.
  • the first signaling is dynamic signaling.
  • the first signaling carries DCI (Downlink Control Information, downlink control information).
  • DCI Downlink Control Information, downlink control information
  • the first signaling carries SCI (Sidelink Control Information, accompanying link control information).
  • the first signaling is PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel).
  • the first signaling is PSCCH (Physical Sidelink Control Channel, Physical Sidelink Control Channel).
  • the first signaling is user-specific (UE-Specific).
  • the first signaling is Cell-Specific.
  • the first signaling is a PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) scrambled by a user-specific (UE-Specific) RNTI (Radio Network Temporary Identity, Radio Network Temporary Identity).
  • PDCCH Physical Downlink Control Channel
  • Physical Downlink Control Channel Physical Downlink Control Channel
  • UE-Specific Radio Network Temporary Identity, Radio Network Temporary Identity
  • the first signaling is transmitted through an air interface.
  • the first signaling is transmitted through a wireless interface.
  • the first signaling is transmitted through the PC5 interface.
  • the first signaling is transmitted through a Uu interface.
  • the first signaling is transmitted through a side link (Sidelink).
  • the first signaling is carried by a baseband (Baseband) signal.
  • Baseband baseband
  • the first signaling is carried by a radio frequency (RF, Radio Frequency) signal.
  • RF Radio Frequency
  • a bit sequence is added by padding bits, CRC Attachment, Channel Coding, Rate Matching, Scrambling, Modulation, Mapping to Physical Resources, OFDM Baseband Signal Generation (OFDM Baseband Signal Generation) obtains the first signaling.
  • OFDM Baseband Signal Generation OFDM Baseband Signal Generation
  • a bit sequence is added by padding bits, CRC Attachment, Channel Coding, Rate Matching, Scrambling, Modulation, Mapping to Physical Resources, OFDM Baseband Signal Generation (OFDM Baseband Signal Generation), Modulation and Upconversion (Modulation and Upconversion) to obtain the first signaling.
  • OFDM Baseband Signal Generation OFDM Baseband Signal Generation
  • Modulation and Upconversion Modulation and Upconversion
  • a bit sequence undergoes truncation, CRC Attachment, Channel Coding, Rate Matching, Scrambling, Modulation, and Mapping in sequence.
  • OFDM baseband signal generation obtains the first signaling.
  • a bit sequence undergoes truncation, CRC Attachment, Channel Coding, Rate Matching, Scrambling, Modulation, and Mapping in sequence.
  • CRC Attachment Channel Coding
  • Rate Matching Scrambling
  • Modulation Modulation
  • Mapping Mapping in sequence.
  • OFDM baseband signal generation OFDM Baseband Signal Generation
  • modulation and upconversion Modulation and Upconversion
  • a bit sequence undergoes CRC Attachment, Channel Coding, Rate Matching, Scrambling, Modulation, and maps to physical resources (Mapping to Physical) in sequence. Resources), OFDM Baseband Signal Generation (OFDM Baseband Signal Generation) obtains the first signaling.
  • OFDM Baseband Signal Generation OFDM Baseband Signal Generation
  • a bit sequence undergoes CRC Attachment, Channel Coding, Rate Matching, Scrambling, Modulation, and maps to physical resources (Mapping to Physical) in sequence. Resources), OFDM baseband signal generation (OFDM Baseband Signal Generation), modulation and upconversion (Modulation and Upconversion) to obtain the first signaling.
  • Resources OFDM baseband signal generation (OFDM Baseband Signal Generation), modulation and upconversion (Modulation and Upconversion) to obtain the first signaling.
  • monitoring the first signaling in the target search space includes the following meaning: monitor (Monitor) in the target search space according to the DCI format (Format) adopted by the first signaling.
  • the first signaling includes the following meaning: monitor (Monitor) in the target search space according to the DCI format (Format) adopted by the first signaling.
  • the first signaling includes the following meaning: monitor (Monitor) in the target search space according to the DCI format (Format) adopted by the first signaling.
  • DCI format Form
  • monitor (Monitor) data in the target search space according to the SCI format (Format) adopted by the first signaling.
  • the first signaling includes the following meaning: monitor (Monitor) data in the target search space according to the SCI format (Format) adopted by the first signaling.
  • the first signaling includes the following meaning: monitor (Monitor) data in the target search space according to the SCI format (Format) adopted by the first signaling.
  • the first signaling includes the following meaning: monitor (Monitor) data in the target search space according to the SCI format (Format) adopted by the first signaling.
  • the above sentence “monitoring the first signaling in the target search space” includes the following meaning: decode (Decode) each item in the target search space according to the DCI format (Format) adopted by the first signaling. PDCCH candidates (Candidate).
  • the sentence “monitoring the first signaling in the target search space” includes the following meaning: decode (Decode) each item in the target search space according to the SCI format (Format) adopted by the first signaling.
  • the above sentence “monitoring the first signaling in the target search space” includes the following meaning: blindly decode in the target search space according to the DCI format (Format) adopted by the first signaling Each PDCCH candidate (Candidate).
  • the above sentence “monitoring the first signaling in the target search space” includes the following meaning: Blindly Decode in the target search space according to the SCI format (Format) adopted by the first signaling Each PSCCH candidate (Candidate).
  • the above sentence “monitoring the first signaling in the target search space” includes the following meaning: Decode each PDCCH candidate (Candidate) in the target search space and pass the CRC check. It is determined whether there is a PDCCH candidate (Candidate) in the target search space to be used to carry the first signaling.
  • the above sentence “monitoring the first signaling in the target search space” includes the following meaning: Decode each PSCCH candidate (Candidate) in the target search space and pass the CRC check. It is determined whether there is a PSCCH candidate (Candidate) used to carry the first signaling in the target search space.
  • the above sentence "monitoring the first signaling in the target search space” includes the following meaning: Decode each PDCCH candidate (Candidate) in the target search space and pass RNTI (Radio Network Temporary) Identity (a wireless network temporary identity) scrambling CRC check is passed to determine whether a PDCCH candidate (Candidate) is used to carry the first signaling in the target search space.
  • RNTI Radio Network Temporary
  • a wireless network temporary identity a wireless network temporary identity
  • the above sentence "monitoring the first signaling in the target search space” includes the following meaning: Decode each PSCCH candidate (Candidate) in the target search space and pass RNTI (Radio Network Temporary) Identity (a wireless network temporary identity) scrambled CRC check is passed to determine whether there is a PSCCH candidate (Candidate) used to carry the first signaling in the target search space.
  • RNTI Radio Network Temporary
  • a PSCCH candidate used to carry the first signaling in the target search space.
  • the second bit sequence is channel-coded and used to generate the first signaling, and the payload of the first signaling is the bit position other than the CRC bits in the second bit sequence.
  • the second bit sequence includes a positive integer number of bits.
  • the payload (Payload) of the first signaling is a bit set composed of bits included in the DCI that generates the first signaling.
  • the payload of the first signaling is a bit set composed of bits other than CRC bits among the bits generated in the physical layer carried by the first signaling.
  • the payload of the first signaling is a set of bits in the first signaling used to calculate the physical layer CRC check bits.
  • the payload of the first signaling is information bits carried in the first signaling, or the payload of the first signaling (Payload) is carried in the first signaling
  • the information bits are the bits after padding bits or truncation.
  • the payload of the first signaling is the bits and padding bits in all fields in the DCI format (Format) adopted by the first signaling (when there are padding bits) ).
  • the payload size of the load of the first signaling refers to the number of bits included in the payload of the first signaling.
  • the payload size of the load of the first signaling refers to the bit width (bit width) of the bits included in the payload of the first signaling.
  • the target load size is a positive integer.
  • any two load sizes in the X load sizes are not equal.
  • any one of the X load sizes is not less than 12.
  • any one of the X load sizes is greater than 12.
  • one of the X load sizes is equal to 12.
  • any one of the X payload sizes is a payload size of a DCI in a DCI format (Format).
  • one of the X payload sizes is a payload size obtained by adding padding bits (Padding Bits) in a DCI format.
  • one of the X load sizes is a load size of a DCI format obtained after bit truncation (Truncation).
  • any one of the X load sizes is a load size of a DCI that uses a DCI format (Format) without adding padding bits (Padding Bits).
  • Payload Size a payload size equal to DCI Format 1-0 among the X payload sizes.
  • the X load sizes are X load sizes obtained after DCI Size Alignment (DCI Size Alignment) in the target search space.
  • the X load sizes are X load sizes obtained after the DCI Size Alignment in section 7.3.1.0 in 3GPP TS 38.212 (v15.6.0) in the target search space .
  • the X is equal to 1, and the X load sizes are equal to the load size of DCI Format 1-0.
  • the X is equal to 2, and the X load sizes are respectively equal to the load sizes of DCI Format 1-1 and DCI Format 0-1.
  • the X is equal to 2, and the X load sizes are respectively equal to the load sizes of DCI Format 1-0 and DCI Format 2-0.
  • the X is equal to 2
  • the X load sizes are respectively equal to the load sizes of DCI Format 1-0 and DCI Format 2-1.
  • the X is equal to 2, and the X load sizes are respectively equal to the load sizes of DCI Format 1-0 and DCI Format 1-1.
  • the X is equal to 2, and the X load sizes are respectively equal to the load sizes of DCI Format 1-0 and DCI Format 0-1.
  • the X is equal to 2, and the X load sizes are respectively equal to the load sizes of DCI Format 1-1 and DCI Format 0-1.
  • the X is equal to 3, and the X load sizes are respectively equal to the load sizes of DCI Format 1-0, DCI Format 2-0, and DCI Format 2-1.
  • the X is equal to 3, and the X load sizes are respectively equal to the load sizes of DCI Format 1-0, DCI Format 0-1, and DCI Format 1-1.
  • the X is greater than 1.
  • the X is equal to one of 1, 2, 3, or 4.
  • the above sentence "the target search space is used to determine X load sizes” includes the following meaning: the target search space is used by the first communication node device in this application to determine the X Load size.
  • the above sentence "the target search space is used to determine X load sizes” includes the following meaning: the type of the target search space is used to determine the X load sizes.
  • the above sentence "the target search space is used to determine X load sizes" includes the following meanings: whether the target search space is used for a common search space (CSS) or a user equipment specific search space (USS) Determine the X load sizes.
  • the above sentence "the target search space is used to determine X load sizes” includes the following meanings: the X load sizes and whether the target search space is a common search space (CSS) or a user equipment specific search Space (USS) related.
  • CCS common search space
  • USS user equipment specific search Space
  • the target search space is used to determine X load sizes includes the following meaning: any one of the X load sizes is a load size in the set of target load sizes, so The target search space is used to determine the X load sizes from the set of target load sizes, the set of target load sizes is configurable, or the set of target load sizes is predefined.
  • the above sentence "the target search space is used to determine X load sizes" includes the following meaning: when the target search space is a common search space (CSS) and the X is equal to 1, the X The load size is equal to the load size of DCI Format 1-0; when the target search space is a common search space (CSS) and the X is equal to 2, the X load sizes are respectively equal to DCI Format 1-0 and DCI Format 2-0 load size, or the X load sizes are equal to the load sizes of DCI Format 1-0 and DCI Format 2-1; when the target search space is a common search space (CSS) and X is equal to 3 When the X load sizes are respectively equal to the load sizes of DCI Format 1-0, DCI Format 2-0, and DCI Format 2-1; when the target search space is a user equipment specific search space (USS) and the X When equal to 1, the X load sizes are equal to the load size of DCI Format 1-0; when the target search space is a user equipment specific search space (USS) and the X
  • the target search space is used to determine X load sizes
  • the target search space is a common search space (CSS) or a user equipment specific search space (USS)
  • the target search space determines the X payload sizes through the DCI Size Alignment in section 7.3.1.0 in 3GPP TS 38.212 (v15.6.0).
  • the target load size is equal to the X load size
  • the “load size that is not less than the first load size and has the smallest difference from the first load size” includes the following meaning: when the X is greater than 1 and there is a load size equal to the first load size among the X load sizes When the load size is one, the target load size is equal to the first load size; when the X is greater than 1 and any one of the X load sizes is not equal to the first load size and the X When there is a load size greater than the first load size in the load size, the target load size is equal to the X load size that is greater than the first load size and has the smallest difference from the first load size Load size.
  • the “load size that is not less than the first load size and has the smallest difference from the first load size” includes the following meaning: when the X is greater than 1 and there is a load size equal to the first load size among the X load sizes When the load size is one, the target load size is equal to the first load size; when the X is greater than 1 and any one of the X load sizes is not equal to the first load size and the X When one of the load sizes is greater than the first load size, the target load size is greater than the first load size, and the target load size is equal to one of the X load sizes greater than the first load size The smallest load size.
  • the “load size that is not less than the first load size and has the smallest difference from the first load size” includes the following meaning: when the X is greater than 1 and one of the X load sizes is not smaller than the In the case of the first load size, the target load size is equal to the load size that is not less than the first load size and is the closest to the first load size among the X load sizes.
  • the target load size is equal to the first load size.
  • the target load size is equal to the X load size
  • the “load size that is not less than the first load size and has the smallest difference from the first load size” includes the following meaning: when the X is greater than 1 and one of the X load sizes is not smaller than the In the case of the first load size, each load size of the X1 load sizes is a load size of the X load sizes that is not less than the first load size, and the X1 is a positive integer not greater than the X , The target load size is equal to the smallest load size among the X1 load sizes.
  • Embodiment 2 illustrates a schematic diagram of a network architecture according to the present application, as shown in FIG. 2.
  • FIG. 2 is a diagram illustrating a system network architecture 200 of NR 5G, LTE (Long-Term Evolution) and LTE-A (Long-Term Evolution Advanced).
  • the NR 5G or LTE network architecture 200 may be called EPS (Evolved Packet System) 200.
  • EPS Evolved Packet System
  • EPS 200 may include one or more UE (User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, EPC (Evolved Packet Core, Evolved Packet Core)/5G-CN (5G-Core Network) , 5G core network) 210, HSS (Home Subscriber Server, home subscriber server) 220 and Internet service 230.
  • EPS can be interconnected with other access networks, but these entities/interfaces are not shown for simplicity. As shown in the figure, EPS provides packet switching services. However, those skilled in the art will easily understand that various concepts presented throughout this application can be extended to networks that provide circuit switching services or other cellular networks.
  • NG-RAN includes NR Node B (gNB) 203 and other gNB 204.
  • gNB203 provides user and control plane protocol termination towards UE201.
  • the gNB203 can be connected to other gNB204 via an Xn interface (for example, backhaul).
  • gNB203 can also be called a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmitting and receiving node) or some other suitable terminology.
  • BSS basic service set
  • ESS extended service set
  • TRP transmitting and receiving node
  • gNB203 may be a base station, a ground base station relayed by satellites, or a road side unit (RSU, Road Side Unit), etc.
  • gNB203 provides UE201 with an access point to EPC/5G-CN210.
  • Examples of UE201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, global positioning systems, multimedia devices, video devices, digital audio players (for example, MP3 players), cameras, game consoles, drones, aircraft, narrowband IoT devices, machine-type communication devices, land vehicles, automobiles, communication units in automobiles, wearable devices, or any other similar functions Device.
  • SIP Session Initiation Protocol
  • PDAs personal digital assistants
  • satellite radios global positioning systems
  • multimedia devices video devices
  • digital audio players For example, MP3 players
  • cameras for example, MP3 players
  • game consoles drones, aircraft, narrowband IoT devices, machine-type communication devices, land vehicles, automobiles, communication units in automobiles, wearable devices, or any other similar functions Device.
  • UE201 can also refer to UE201 as a mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, car terminal, car networking device or some other suitable term.
  • the gNB203 is connected to EPC/5G-CN210 through the S1/NG interface.
  • EPC/5G-CN210 includes MME/AMF/UPF 211, other MME/AMF/UPF 214, S-GW (Service Gateway) 212, and P-GW (Packet Date Network Gateway) 213.
  • MME/AMF/UPF211 is a control node that processes the signaling between UE201 and EPC/5G-CN210.
  • MME/AMF/UPF211 provides bearer and connection management. All user IP (Internet Protocol, Internet Protocol) packets are transmitted through S-GW212, and S-GW212 itself is connected to P-GW213.
  • the P-GW213 provides UE IP address allocation and other functions.
  • the P-GW213 is connected to the Internet service 230.
  • the Internet service 230 includes Internet protocol services corresponding to operators, and specifically may include Internet, Intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem), and PS (Packet Switching, packet switching) streaming services.
  • the UE201 corresponds to the first communication node device in this application.
  • the UE 201 supports transmission in the companion link.
  • the UE201 supports a PC5 interface.
  • the UE201 supports the Internet of Vehicles.
  • the UE201 supports V2X services.
  • the UE201 supports a new DCI format (Format) introduced after the R15 version.
  • Form DCI format
  • the gNB203 corresponds to the second communication node device in this application.
  • the gNB203 supports transmission in the companion link.
  • the gNB203 supports a PC5 interface.
  • the gNB203 supports Internet of Vehicles.
  • the gNB203 supports V2X services.
  • the gNB203 supports a new DCI format (Format) introduced after the R15 version.
  • Form DCI format
  • Embodiment 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to the present application, as shown in FIG. 3.
  • FIG. 3 is a schematic diagram illustrating an embodiment of the radio protocol architecture used for the user plane 350 and the control plane 300.
  • FIG. 3 uses three layers to show the vehicle-mounted device or vehicle-mounted communication for the first communication node device (UE, gNB or V2X) Module) and the second communication node device (gNB, UE or vehicle-mounted device or vehicle-mounted communication module in V2X), or the radio protocol architecture of the control plane 300 between two UEs: layer 1, layer 2, and layer 3.
  • Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions.
  • L1 layer will be referred to as PHY301 herein.
  • Layer 2 (L2 layer) 305 is above PHY301 and is responsible for the link between the first communication node device and the second communication node device through PHY301.
  • L2 layer 305 includes MAC (Medium Access Control) sublayer 302, RLC (Radio Link Control, radio link layer control protocol) sublayer 303, and PDCP (Packet Data Convergence Protocol, packet data convergence protocol) sublayer 304. These sublayers terminate at the second communication node device.
  • the PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels.
  • the PDCP sublayer 304 also provides security by encrypting data packets, as well as providing support for handover between the second communication node devices and the first communication node device.
  • the RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ.
  • the MAC sublayer 302 provides multiplexing between logical and transport channels.
  • the MAC sublayer 302 is also responsible for allocating various radio resources (for example, resource blocks) in a cell among the first communication node devices.
  • the MAC sublayer 302 is also responsible for HARQ operations.
  • the RRC (Radio Resource Control, Radio Resource Control) sublayer 306 in layer 3 (L3 layer) of the control plane 300 is responsible for obtaining radio resources (ie, radio bearers) and using the difference between the second communication node device and the first communication node device. Inter-RRC signaling to configure the lower layer.
  • the radio protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer).
  • the radio protocol architecture for the first communication node device and the second communication node device in the user plane 350 is for the physical layer 351, L2
  • the PDCP sublayer 354 in the layer 355, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355 are basically the same as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 also Provides header compression for upper layer data packets to reduce radio transmission overhead.
  • the L2 layer 355 in the user plane 350 also includes the SDAP (Service Data Adaptation Protocol, Service Data Adaptation Protocol) sublayer 356.
  • the SDAP sublayer 356 is responsible for the mapping between the QoS flow and the Data Radio Bearer (DRB). To support business diversity.
  • DRB Data Radio Bearer
  • the first communication node device may have several upper layers above the L2 layer 355, including a network layer (for example, an IP layer) terminating at the P-GW on the network side and another terminating at the connection.
  • Application layer at one end for example, remote UE, server, etc.).
  • the wireless protocol architecture in FIG. 3 is applicable to the first communication node device in this application.
  • the wireless protocol architecture in FIG. 3 is applicable to the second communication node device in this application.
  • the first information in this application is generated in the RRC306.
  • the first information in this application is generated in the MAC302 or MAC352.
  • the first information in this application is generated in the PHY301 or PHY351.
  • the first signaling in this application is generated in the RRC306.
  • the first signaling in this application is generated in the MAC302 or MAC352.
  • the first signaling in this application is generated in the PHY301 or PHY351.
  • the second information in this application is generated in the RRC306.
  • the second information in this application is generated in the MAC302 or MAC352.
  • the second information in this application is generated in the PHY301 or PHY351.
  • the first signal in this application is generated in the RRC306.
  • the first signal in this application is generated in the MAC302 or MAC352.
  • the first signal in this application is generated in the PHY301 or PHY351.
  • Embodiment 4 shows a schematic diagram of a first communication node device and a second communication node device according to the present application, as shown in FIG. 4.
  • the first communication node device (450) includes a controller/processor 490, a data source/buffer 480, a receiving processor 452, a transmitter/receiver 456, and a transmitting processor 455.
  • the transmitter/receiver 456 includes an antenna 460.
  • the data source/buffer 480 provides upper layer packets to the controller/processor 490, and the controller/processor 490 provides header compression and decompression, encryption and decryption, packet segment connection and reordering, and multiplexing between logic and transmission channels. Demultiplexing is used to implement the L2 layer and above protocols for the user plane and the control plane, and the upper layer packets may include data or control information, such as DL-SCH or UL-SCH or SL-SCH.
  • the transmission processor 455 implements various signal transmission processing functions for the L1 layer (ie, physical layer) including coding, interleaving, scrambling, modulation, power control/allocation, precoding, and physical layer control signaling generation, etc.
  • the reception processor 452 implements various signal reception processing functions for the L1 layer (ie, physical layer) including decoding, deinterleaving, descrambling, demodulation, deprecoding, physical layer control signaling extraction, and the like.
  • the transmitter 456 is used for converting the baseband signal provided by the transmitting processor 455 into a radio frequency signal and transmitting it via the antenna 460, and the receiver 456 is used for converting the radio frequency signal received by the antenna 460 into a baseband signal and providing it to the receiving processor 452.
  • the second communication node device (410) may include a controller/processor 440, a data source/buffer 430, a receiving processor 412, a transmitter/receiver 416, and a transmitting processor 415.
  • the transmitter/receiver 416 includes Antenna 420.
  • the data source/buffer 430 provides upper layer packets to the controller/processor 440, and the controller/processor 440 provides header compression and decompression, encryption and decryption, packet segmentation connection and reordering, and multiplexing between logic and transmission channels. Use demultiplexing to implement the L2 layer protocol for the user plane and the control plane.
  • the upper layer packet may include data or control information, such as DL-SCH or UL-SCH or SL-SCH.
  • the transmission processor 415 implements various signal transmission processing functions for the L1 layer (ie, physical layer) including coding, interleaving, scrambling, modulation, power control/distribution, precoding, and physical layer signaling (including synchronization signals and reference Signal etc.) generation etc.
  • the reception processor 412 implements various signal reception processing functions for the L1 layer (ie, physical layer) including decoding, deinterleaving, descrambling, demodulation, deprecoding, physical layer signaling extraction, and the like.
  • the transmitter 416 is used for converting the baseband signal provided by the transmitting processor 415 into a radio frequency signal and transmitting it via the antenna 420, and the receiver 416 is used for converting the radio frequency signal received by the antenna 420 into a baseband signal and providing it to the receiving processor 412.
  • upper layer packets such as the first information, second information, first signaling (if the first signaling includes high-level information) and the first signal (when the first When the signal is transmitted from the second communication node device to the first communication node device, the high-level information included in) is provided to the controller/processor 440.
  • the controller/processor 440 implements the functions of the L2 layer and above.
  • the controller/processor 440 provides packet header compression, encryption, packet segmentation and reordering, multiplexing between logic and transport channels, and multiplexing of the first communication node device 450 based on various priority metrics. Radio resource allocation.
  • the controller/processor 440 is also responsible for HARQ operation, retransmission of lost packets, and signaling to the first communication node device 450, such as the first information, second information, and first signaling (if the first The signaling includes high-level information) and the first signal (when the first signal is transmitted from the second communication node device to the first communication node device) are both generated in the controller/processor 440.
  • the transmit processor 415 implements various signal processing functions for the L1 layer (ie, physical layer), including coding, interleaving, scrambling, modulation, power control/allocation, precoding, and physical layer control signaling generation, etc.
  • the first information, the second information, the first signaling and the physical layer signal of the first signal are generated in the transmit processor 415, and the generated modulation symbols are divided into parallel streams and each stream is mapped to the corresponding multi-carrier subcarrier And/or multi-carrier symbols are then mapped to the antenna 420 by the transmitting processor 415 via the transmitter 416 and transmitted in the form of radio frequency signals.
  • each receiver 456 receives the radio frequency signal through its corresponding antenna 460, and each receiver 456 recovers the baseband information modulated onto the radio frequency carrier, and provides the baseband information to the receiving processor 452.
  • the reception processor 452 implements various signal reception processing functions of the L1 layer.
  • the signal reception processing function includes the first information, the second information, the first signaling (if the first signaling includes high-level information) and the first signal (when the first signal is from the second communication node device).
  • the reception of physical layer signals, etc. is performed based on various modulation schemes (for example, binary phase shift keying (BPSK), quadrature phase shifting) through the multi-carrier symbols in the multi-carrier symbol stream. Keying (QPSK)), followed by descrambling, decoding and de-interleaving to recover the data or control transmitted by the second communication node device 410 on the physical channel, and then provide the data and control signals to the controller/processor 490 .
  • BPSK binary phase shift keying
  • QPSK Quadrature phase shifting
  • the controller/processor 490 is responsible for the L2 layer and above.
  • the controller/processor 490 is responsible for the first information, second information, first signaling (if the first signaling includes high-level information) and the first signal in this application. (When the first signal is transmitted from the second communication node device to the first communication node device) interpret.
  • the controller/processor may be associated with a memory 480 that stores program codes and data.
  • the memory 480 may be referred to as a computer-readable medium.
  • the data source/buffer 480 is used to provide high-level data to the controller/processor 490.
  • the data source/buffer 480 represents the L2 layer and all protocol layers above the L2 layer.
  • the controller/processor 490 is implemented for the user plane and by providing header compression, encryption, packet segmentation and reordering, and multiplexing between logic and transport channels based on the radio resource allocation of the second communication node 410. L2 layer protocol of the control plane.
  • the controller/processor 490 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the second communication node 410.
  • the first signal in this application (when the first signal is transmitted from the first communication node device to the second communication node device) is generated in the data source/buffer 480 or the controller/processor 490.
  • the transmission processor 455 implements various signal transmission processing functions for the L1 layer (ie, physical layer), and the physical layer signal of the first signal in the present application is generated by the transmission processor 455.
  • Signal transmission processing functions include coding and interleaving to facilitate forward error correction (FEC) at the UE450 and pair based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift keying (QPSK))
  • FEC forward error correction
  • BPSK binary phase shift keying
  • QPSK quadrature phase shift keying
  • the baseband signal is modulated, the modulation symbols are divided into parallel streams and each stream is mapped to the corresponding multi-carrier sub-carrier and/or multi-carrier symbol, and then the transmit processor 455 is mapped to the antenna 460 via the transmitter 456 to transmit as a radio frequency signal Get out.
  • the receivers 416 receive radio frequency signals through their corresponding antennas 420, and each receiver 416 recovers the baseband information modulated onto the radio frequency carrier and provides the baseband information to the receiving processor 412.
  • the receiving processor 412 implements various signal receiving processing functions for the L1 layer (ie, physical layer), including receiving and processing the physical layer signal of the first signal in this application.
  • the signal receiving processing function includes acquiring a multi-carrier symbol stream, and then The multi-carrier symbols in the multi-carrier symbol stream are demodulated based on various modulation schemes (for example, binary phase shift keying (BPSK), quadrature phase shift keying (QPSK)), and then decoded and deinterleaved to recover The data and/or control signal originally transmitted by the first communication node device 450 on the physical channel.
  • the data and/or control signals are then provided to the controller/processor 440.
  • the controller/processor 440 implements the functions of the L2 layer, including the interpretation of the information carried by the first signal in this application.
  • the controller/processor may be associated with a buffer 430 that stores program codes and data.
  • the buffer 430 may be a computer-readable medium.
  • the first communication node device 450 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to The at least one processor is used together, the first communication node device 450 means at least: receiving first information, the first information is used to determine a first load size, the first load size is a positive integer; The first signaling is monitored in the search space, and the load size of the load of the first signaling is equal to the target load size; wherein the target search space is used to determine X load sizes, and the target load size is equal to X loads One of the load sizes in the size, the X is a positive integer, and any one of the X load sizes is a positive integer; when the X is greater than 1 and one of the X load sizes is not smaller than the When the first load size is the first load size, the target load size is equal to the load size of the X load sizes that is not less than the first load size and has the smallest difference from the first load size; when
  • the first communication node device 450 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generates actions when executed by at least one processor, and the actions include: Receive first information, the first information is used to determine the first load size, the first load size is a positive integer; monitor the first signaling in the target search space, the load size of the first signaling Equal to the target load size; wherein the target search space is used to determine X load sizes, the target load size is equal to one load size of the X load sizes, the X is a positive integer, and the X load sizes Any load size of X is a positive integer; when the X is greater than 1 and one load size in the X load sizes is not less than the first load size, the target load size is equal to the X load size The load size that is not less than the first load size and has the smallest difference from the first load size; when the X is greater than 1 and any one of the X load sizes is smaller than the first load In the case of size, the target load
  • the second communication node device 410 device includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to The at least one processor is used together.
  • the second communication node device 410 means at least: send first information, the first information is used to determine a first load size, the first load size is a positive integer; the first signaling is sent in the target search space, The load size of the load of the first signaling is equal to the target load size; wherein, the target search space is used to determine X load sizes, and the target load size is equal to one of the X load sizes, and X is a positive integer, and any one of the X load sizes is a positive integer; when the X is greater than 1 and one of the X load sizes is not smaller than the first load size, the target The load size is equal to the load size of the X load sizes that is not less than the first load size and has the smallest difference from the first load size; when the X is greater than 1 and
  • the second communication node device 410 includes: a memory storing a computer-readable instruction program, and the computer-readable instruction program generates actions when executed by at least one processor, and the actions include: sending The first information, the first information is used to determine the first payload size, the first payload size is a positive integer; the first signaling is sent in the target search space, and the payload size of the first signaling is equal to Target load size; wherein the target search space is used to determine X load sizes, the target load size is equal to one load size of the X load sizes, the X is a positive integer, and the X load sizes are Any load size is a positive integer; when the X is greater than 1 and one load size in the X load sizes is not less than the first load size, the target load size is equal to not the X load sizes The load size that is smaller than the first load size and has the smallest difference from the first load size; when the X is greater than 1 and any one of the X load sizes is smaller than the first load size When, the actions include:
  • the first communication node device 450 is a user equipment (UE).
  • UE user equipment
  • the first communication node device 450 is a user equipment supporting V2X.
  • the first communication node device 450 is a user equipment that supports the DCI format introduced after R15.
  • the first communication node device 450 is a vehicle-mounted device.
  • the second communication node device 410 is a base station device (gNB/eNB).
  • the second communication node device 410 is a base station device supporting V2X.
  • the second communication node device 410 is a base station device that supports the DCI format introduced after R15.
  • the second communication node device 410 is an RSU (Road Side Unit) device.
  • the receiver 456 (including the antenna 460), the receiving processor 452, and the controller/processor 490 are used in this application to receive the first information.
  • the receiver 456 (including the antenna 460), the receiving processor 452 and the controller/processor 490 are used in this application to monitor the first signaling in the target search space.
  • the receiver 456 (including the antenna 460) and the receiving processor 452 are used in this application to monitor the first signaling in the target search space.
  • the receiver 456 (including the antenna 460), the receiving processor 452 and the controller/processor 490 are used in this application to receive the second information.
  • the receiver 456 (including the antenna 460), the receiving processor 452 and the controller/processor 490 are used in this application to receive the first signal.
  • the transmitter 456 (including the antenna 460), the transmission processor 455 and the controller/processor 490 are used to transmit the first signal in this application.
  • the transmitter 416 (including the antenna 420), the transmission processor 415, and the controller/processor 440 are used to transmit the first information in this application.
  • the transmitter 416 (including the antenna 420), the transmission processor 415, and the controller/processor 440 are used to send the first signaling in this application.
  • the transmitter 416 (including the antenna 420) and the transmission processor 415 are used to send the first signaling in this application.
  • the transmitter 416 (including the antenna 420), the transmission processor 415 and the controller/processor 440 are used to transmit the second information in this application.
  • the transmitter 416 (including the antenna 420), the transmission processor 415, and the controller/processor 440 are used to transmit the first signal in this application.
  • the receiver 416 (including the antenna 420), the receiving processor 412 and the controller/processor 440 are used to receive the first signal in this application.
  • Embodiment 5 illustrates a signal transmission flowchart according to an embodiment of the present application, as shown in FIG. 5.
  • the second communication node N1 is a maintenance base station of the serving cell of the first communication node U2. It is particularly noted that the sequence in this example does not limit the signal transmission sequence and implementation sequence in this application.
  • a first transmission information in step S11 transmitting second information in step S12, step S13, sends a first signaling target search space, a first transmit signal in step S14.
  • step S21 For the first communication node U2, received in step S21 the first information, second information received in step S22, in step S23 in the first signaling monitoring target search space, the first signal received in step S24.
  • the first information is used to determine a first load size, and the first load size is a positive integer; the load size of the load of the first signaling is equal to the target load size; the target search space Is used to determine X load sizes, the target load size is equal to one load size of the X load sizes, the X is a positive integer, and any one of the X load sizes is a positive integer; when the X Is greater than 1 and one of the X load sizes is not less than the first load size, the target load size is equal to the X load sizes not less than the first load size and is The load size with the smallest difference in the first load size; when the X is greater than 1 and any one of the X load sizes is smaller than the first load size, the target load size is equal to the X The largest load size among the load sizes; the target search space is a common search space, or the target search space is a user equipment specific search space; the second information is used to determine that the target search space is a common search The space is also
  • the second information is transmitted through an air interface.
  • the second information is transmitted through a wireless interface.
  • the second information is transmitted through the PC5 interface.
  • the second information is transmitted through a Uu interface.
  • the second information is transmitted through a side link (Sidelink).
  • the second information is carried by a baseband (Baseband) signal.
  • Baseband baseband
  • the second information is carried by a radio frequency (RF, Radio Frequency) signal.
  • RF Radio Frequency
  • the second information is transmitted inside the first communication node device.
  • the second information includes high-level information, and the second information is transferred from the high-level of the first communication node device to the physical layer of the first communication node device.
  • the second information is pre-configured (Pre-configured).
  • the second information includes all or part of a preconfigured RRC (Radio Resource Control, Radio Resource Control) IE (Information Element, information element).
  • RRC Radio Resource Control, Radio Resource Control
  • IE Information Element, information element
  • the second information includes physical layer information.
  • the second information includes dynamic information.
  • the second information is semi-static information.
  • the second information includes all or part of information in SIB (System Information Block, system information block).
  • SIB System Information Block, system information block
  • the second information includes all or part of the information in the MIB (Master Information Block, master information block).
  • MIB Master Information Block, master information block
  • the second information includes all or part of an RRC (Radio Resource Control, radio resource control) signaling.
  • RRC Radio Resource Control, radio resource control
  • the second information is cell-specific (Cell Specific/Cell Common).
  • the second information is user-specific (UE Specific/Dedicated).
  • the second information is zone-specific (Zone-Specific).
  • the second information is broadcast.
  • the second information is unicast.
  • the second information includes all or part of a field in a DCI (Downlink Control Information, Downlink Control Information).
  • DCI Downlink Control Information, Downlink Control Information
  • the second information is transmitted through DL-SCH (Downlink Shared Channel, downlink shared channel).
  • DL-SCH Downlink Shared Channel, downlink shared channel
  • the second information is transmitted through PDSCH (Physical Downlink Shared Channel, physical downlink shared channel).
  • PDSCH Physical Downlink Shared Channel, physical downlink shared channel
  • the second information is transmitted through SL-SCH (Sidelink Shared Channel, accompanying link shared channel).
  • SL-SCH Segmentlink Shared Channel, accompanying link shared channel
  • the second information is transmitted through PSSCH (Physical Sidelink Shared Channel, Physical Sidelink Shared Channel).
  • PSSCH Physical Sidelink Shared Channel, Physical Sidelink Shared Channel
  • the second information is transmitted through PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel).
  • PDCCH Physical Downlink Control Channel, Physical Downlink Control Channel
  • that the target search space is a common search space means that the target search space is a PDCCH common search space (CSS).
  • SCS PDCCH common search space
  • the target search space is a common search space means: the target search space is a PDCCH common search space (CSS) set.
  • SCS PDCCH common search space
  • that the target search space is a common search space means that the target search space is a PSCCH Common Search Space (CSS) set (Set).
  • SCS Common Search Space
  • the target search space is a user equipment specific search space
  • the target search space is a PDCCH user equipment specific search space (USS).
  • the target search space is a user equipment specific search space
  • the target search space is a PDCCH user equipment specific search space (USS) set (Set).
  • USS user equipment specific search space
  • USS PSCCH user equipment specific search space
  • the above sentence "the second information is used to determine whether the target search space is a public search space or a user equipment specific search space" includes the following meaning: the second information is used by the second information in this application A communication node device is used to determine whether the target search space is a public search space or a user equipment specific search space.
  • the above sentence "the second information is used to determine whether the target search space is a public search space or a user equipment specific search space" includes the following meaning: the second information directly indicates that the target search space is The public search space is also a user device specific search space.
  • the above sentence "the second information is used to determine whether the target search space is a public search space or a user equipment specific search space" includes the following meaning: the second information indirectly indicates that the target search space is The public search space is also a user device specific search space.
  • the above sentence "the second information is used to determine whether the target search space is a public search space or a user equipment specific search space" includes the following meaning: the second information explicitly indicates the target search Whether the space is a public search space or a user equipment specific search space.
  • the above sentence "the second information is used to determine whether the target search space is a public search space or a user equipment specific search space" includes the following meaning: the second information implicitly indicates the target search Whether the space is a public search space or a user equipment specific search space.
  • the above sentence "the second information is used to determine whether the target search space is a public search space or a user equipment specific search space” includes the following meaning: the second information indicates a set of Q search spaces (Search Space Set), the Q is a positive integer, the target search space is a search space set in the Q search space sets; the second information indicates each search space set in the Q search space sets Is it a public search space or a user equipment specific search space.
  • the second information indicates a set of Q search spaces (Search Space Set), the Q is a positive integer, the target search space is a search space set in the Q search space sets; the second information indicates each search space set in the Q search space sets Is it a public search space or a user equipment specific search space.
  • the first signal is a baseband signal.
  • the first signal is a radio frequency signal.
  • the first signal is transmitted through an air interface.
  • the first signal is transmitted through a wireless interface.
  • the first signal is transmitted through a Uu interface.
  • the first signal is transmitted through DL-SCH (Downlink Shared Channel, downlink shared channel).
  • DL-SCH Downlink Shared Channel, downlink shared channel
  • the first signal is transmitted through PDSCH (Physical Downlink Shared Channel, physical downlink shared channel).
  • PDSCH Physical Downlink Shared Channel, physical downlink shared channel
  • TB Transport Block
  • Transport Block all or part of a transport block (TB, Transport Block) is used to generate the first signal.
  • all or part of a bit block is used to generate the first signal.
  • all or part of a characteristic sequence is used to generate the first signal.
  • the above sentence "the first signaling is detected” includes the following meaning: the CRC (Cyclic Redundancy Check, cyclic redundancy check) check after the channel decoding of the first signaling passed .
  • the above sentence "the first signaling is detected” includes the following meaning: the first signaling uses the CRC (Cyclic Redundancy Check) after channel decoding.
  • the CRC Cyclic Redundancy Check, Cyclic Redundancy Check
  • the CRC Cyclic Redundancy Check, Cyclic Redundancy Check
  • the above sentence "the first signaling is detected” includes the following meaning: the CRC (Cyclic Redundancy Check) after the channel decoding of the first signaling is used in this application
  • the above sentence "the first signaling is detected” includes the following meaning: the CRC (Cyclic Redundancy Check) after the channel decoding of the first signaling is used in this application
  • the above sentence "the first signaling is used to determine the time-frequency resources occupied by the first signal” includes the following meaning: the first signaling is used by the first communication in this application The node device is used to determine the time-frequency resource occupied by the first signal.
  • the above sentence "the first signaling is used to determine the time-frequency resources occupied by the first signal” includes the following meaning: the first signaling is used to directly indicate the first signal Time-frequency resources occupied.
  • the sentence "the first signaling is used to determine the time-frequency resources occupied by the first signal” includes the following meaning: the first signaling is used to indirectly indicate the first signal Time-frequency resources occupied.
  • the above sentence "the first signaling is used to determine the time-frequency resources occupied by the first signal” includes the following meaning: the first signaling is used to explicitly indicate the first signal Time-frequency resources occupied by a signal.
  • the sentence "the first signaling is used to determine the time-frequency resources occupied by the first signal” includes the following meaning: the first signaling is used to implicitly indicate the first signal Time-frequency resources occupied by a signal.
  • the above sentence "the first signaling is used to determine the time-frequency resources occupied by the first signal” includes the following meaning: the first signaling is used to indicate a target time-frequency resource pool, The time-frequency resource occupied by the first signal belongs to the target time-frequency resource pool.
  • the first signaling is also used to determine a modulation coding scheme (MCS, Modulation Coding Scheme) adopted by the first signal.
  • MCS Modulation Coding Scheme
  • the first signaling is also used to determine a redundancy version (RV, Redundancy Version) adopted by the first signal.
  • RV Redundancy Version
  • the first signaling is also used to determine the HARQ process (HARQ Process) to which the first signal belongs.
  • HARQ Process HARQ Process
  • the first signaling is also used to determine the characteristic identifier of the target receiver of the first signal.
  • the first signaling is also used to determine whether the first signal is broadcast (Broadcast), multicast (Groupcast) or unicast (Unicast).
  • the first signaling is also used to determine the QoS (Quality of Service) indication (Indicator) of the first signal.
  • QoS Quality of Service
  • Informationator Information of the first signal.
  • Embodiment 6 illustrates a wireless signal transmission flowchart according to another embodiment of the present application, as shown in FIG. 6.
  • the second communication node N3 is a maintenance base station of the serving cell of the first communication node U4. It is particularly noted that the sequence in this example does not limit the signal transmission sequence and implementation sequence in this application.
  • step S31 For the second communication node N3 is transmitted in step S31 the first information, second information transmitting step S32, in step S33, sends a first signaling target search space.
  • the first information For the first communication node U4, received at step S41, the first information, the second information received in step S42, in step S43 in the first signaling monitoring target search space, a first transmit signal in step S44.
  • the first information is used to determine a first load size, and the first load size is a positive integer; the load size of the load of the first signaling is equal to the target load size; the target search space Is used to determine X load sizes, the target load size is equal to one load size of the X load sizes, the X is a positive integer, and any one of the X load sizes is a positive integer; when the X Is greater than 1 and one of the X load sizes is not less than the first load size, the target load size is equal to the X load sizes not less than the first load size and is The load size with the smallest difference in the first load size; when the X is greater than 1 and any one of the X load sizes is smaller than the first load size, the target load size is equal to the X The largest load size among the load sizes; the target search space is a common search space, or the target search space is a user equipment specific search space; the second information is used to determine that the target search space is a common search The space is also
  • the first signal is transmitted through the PC5 interface.
  • the first signal is transmitted through a side link (Sidelink).
  • the first signal is transmitted through SL-SCH (Sidelink Shared Channel).
  • SL-SCH Segmentlink Shared Channel
  • the first signal is transmitted through PSSCH (Physical Sidelink Shared Channel).
  • PSSCH Physical Sidelink Shared Channel
  • the first signal is transmitted through PSCCH (Physical Sidelink Control Channel, Physical Sidelink Control Channel).
  • PSCCH Physical Sidelink Control Channel, Physical Sidelink Control Channel.
  • the first signal is transmitted through PSFCH (Physical Sidelink Feedback Channel).
  • PSFCH Physical Sidelink Feedback Channel
  • the first signaling is also used to determine the characteristic identifier of the target receiver of the first signal.
  • the first signaling is also used to determine whether the first signal is broadcast (Broadcast), multicast (Groupcast) or unicast (Unicast).
  • the first signaling is also used to determine the QoS (Quality of Service) indication (Indicator) of the first signal.
  • QoS Quality of Service
  • Informationator Information of the first signal.
  • Embodiment 7 illustrates a wireless signal transmission flowchart according to another embodiment of the present application, as shown in FIG. 7.
  • the second communication node N5 is a maintenance base station of the serving cell of the first communication node U6. It is particularly noted that the sequence in this example does not limit the signal transmission sequence and implementation sequence in this application.
  • a first transmission information in step S51, transmitting second information in step S52, in step S53 sends a first signaling target search space, the first signal received in step S54.
  • step S61 receives the first information, the second information received in step S62, in step S63 in the first signaling monitoring target search space, a first transmit signal in step S64.
  • the first information is used to determine a first load size, and the first load size is a positive integer; the load size of the load of the first signaling is equal to the target load size; the target search space Is used to determine X load sizes, the target load size is equal to one load size of the X load sizes, the X is a positive integer, and any one of the X load sizes is a positive integer; when the X Is greater than 1 and one of the X load sizes is not less than the first load size, the target load size is equal to the X load sizes not less than the first load size and is The load size with the smallest difference in the first load size; when the X is greater than 1 and any one of the X load sizes is smaller than the first load size, the target load size is equal to the X The largest load size among the load sizes; the target search space is a common search space, or the target search space is a user equipment specific search space; the second information is used to determine that the target search space is a common search The space is also
  • the first signal is transmitted through UL-SCH (Uplink Shared Channel, uplink shared channel).
  • UL-SCH Uplink Shared Channel, uplink shared channel
  • the first signal is transmitted through PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel).
  • PUSCH Physical Uplink Shared Channel, Physical Uplink Shared Channel
  • Embodiment 8 illustrates a schematic diagram of the relationship between the target load size and the first control information format according to an embodiment of the present application, as shown in FIG. 8.
  • the first payload size is larger than the payload size of the control information using the first control information format; in case B, in case A, the first payload size is greater than the first control information format The load size of the control information.
  • the target search space in this application is a public search space, or the target search space is a user equipment specific search space; the second information in this application is used to determine the target search Whether the space is a public search space or a user equipment specific search space; when the target search space is a public search space, the X in this application is equal to 1 and the target payload size in this application is equal to the first control information format
  • the load size of the control information, the control information in the first control information format can be used to schedule the physical downlink shared channel in the common search space.
  • the first control information format is DCI Format 1-0.
  • the first control information format is DCI Format 1-0 in the Common Search Space (CSS).
  • the first control information format is DCI Format 0-0.
  • the first control information format is DCI Format 0-0 in the Common Search Space (CSS).
  • the first control information format is DCI Format 0-0 after adding padding bits (Padding Bits).
  • the first control information format is DCI Format 0-0 after bit truncation (Truncation).
  • the load size of the control information using the first control information format is equal to the one obtained from CORESET0 (Control Resource Set 0, control resource set 0) or the initial downlink bandwidth part (Initial Downlink Bandwidth Part) using DCI Format 1. -0 control information payload size (Payload Size).
  • control information in the first control information format can be used to schedule physical downlink shared channels in a common search space
  • the control information in the first control information format includes For scheduling (Scheduling) information of a Physical Downlink Shared Channel (PDSCH, Physical Downlink Shared Channel), the control information in the first control information format is successfully decoded in the common search space.
  • PDSCH Physical Downlink Shared Channel
  • control information in the first control information format can be used to schedule physical downlink shared channels in a common search space
  • the control information in the first control information format can be It is used to schedule a physical downlink shared channel that carries paging information.
  • control information in the first control information format can be used to schedule physical downlink shared channels in a common search space
  • the control information in the first control information format can be It is used to schedule the physical downlink shared channel carrying random access response (RAR, Random Access Response) information.
  • control information in the first control information format can be used to schedule physical downlink shared channels in a common search space
  • the control information in the first control information format can be It is used to schedule the physical downlink shared channel that carries the System Information Block (SIB).
  • SIB System Information Block
  • the physical downlink shared channel (PDSCH) is unicast.
  • the physical downlink shared channel (PDSCH) is broadcast (Broadcast).
  • the physical downlink shared channel (PDSCH) is multicast (Groupcast).
  • the physical downlink shared channel is user equipment specific (UE-Specific).
  • the physical downlink shared channel is cell-specific (Cell-Specific).
  • the physical downlink shared channel is user equipment group-specific (UE Group-Specific).
  • Embodiment 9 shows a schematic diagram of the relationship between Y control information formats and X load sizes according to an embodiment of the present application, as shown in FIG. 9.
  • each rectangle in the upper row represents one control information format among Y control information formats
  • each rectangle in the lower row represents one load size among X load sizes.
  • the target search space in this application is a public search space, or the target search space is a user equipment specific search space; the second information in this application is used to determine the target search Whether the space is a public search space or a user equipment specific search space; when the target search space is a user equipment specific search space, the second information is also used to determine Y control information formats, where Y is a positive value greater than 1. Integer; the Y control information formats are used to determine the X load sizes in this application.
  • the Y is equal to 2.
  • the Y is equal to 4.
  • the Y is equal to a positive integer other than 2 or 4.
  • any two control information formats in the Y control information formats are different.
  • the Y is equal to 2, and the Y control information formats are DCI Format 0-0 and DCI Format 1-0, respectively.
  • the Y is equal to 2, and the Y control information formats are DCI Format 0-1 and DCI Format 1-1, respectively.
  • the Y is equal to 2
  • the Y control information formats are DCI Format 0-0 and DCI Format 1-0
  • the Y control information formats are DCI Format 0-1 and DCI Format, respectively 1-1.
  • the Y is equal to 4, and the Y control information formats are DCI Format 0-0, DCI Format 1-0, DCI Format 0-1, and DCI Format 1-1.
  • the Y is not less than the X.
  • the above sentence "the second information is also used to determine Y control information formats” includes the following meaning: the second information is also used by the first communication node device in this application to determine Describe Y control information formats.
  • the sentence “the second information is also used to determine Y control information formats” includes the following meaning: the second information directly indicates the Y control information formats.
  • the sentence "the second information is also used to determine Y control information formats" includes the following meaning: the second information indirectly indicates the Y control information formats.
  • the above sentence "the second information is also used to determine Y control information formats” includes the following meaning: the second information explicitly indicates the Y control information formats.
  • the above sentence "the second information is also used to determine Y control information formats" includes the following meaning: the second information implicitly indicates the Y control information formats.
  • the above sentence “the second information is also used to determine Y control information formats” includes the following meaning: the second information indicates P user equipment specific search space sets (USS Set), and the P Is a positive integer, and the second information indicates a positive integer number of control information formats for each user equipment-specific search space set in the P user equipment-specific search space sets, and is the number of control information formats in the P user equipment-specific search spaces
  • Each control information format indicated by each user equipment specific search space is one of the Y control information formats;
  • the target search space is a user in the set of P user equipment specific search spaces A collection of device-specific search spaces.
  • the above sentence “the second information is also used to determine Y control information formats” includes the following meaning: the second information indicates P user equipment specific search space sets (USS Set), and the P Is a positive integer, and the second information indicates a positive integer number of control information formats for each user equipment specific search space set in the P user equipment specific search space sets, and is indicated by the P user equipment specific search spaces
  • the control information formats of and together constitute the Y control information formats; the target search space is a user equipment-specific search space set in the P user equipment-specific search space sets.
  • the second information includes high-level information "SearchSpace” IE (Information Element).
  • the second information includes high-level information "searchSpacesToAddModList” IE (Information Element).
  • the above sentence "the Y control information formats are used to determine the X load sizes” includes the following meaning: the Y control information formats are used by the first communication node device in this application To determine the X load sizes.
  • the above sentence "the Y control information formats are used to determine the X load sizes” includes the following meaning: the Y control information formats are used by the first communication node device in this application according to The DCI Size Alignment in section 7.3.1.0 in 3GPP TS 38.212 (v15.6.0) determines the X load sizes.
  • the above sentence "the Y control information formats are used to determine the X load sizes” includes the following meaning: the Y control information formats are used by the first communication node device in this application according to DCI Size Alignment (DCI Size Alignment) determines the X load sizes.
  • DCI Size Alignment DCI Size Alignment
  • the above sentence "the Y control information formats are used to determine the X load sizes” includes the following meaning: the Y control information formats are in accordance with DCI Format 0-0 and DCI Format 1-0 The X load sizes are determined based on the principles of equal load sizes, unequal load sizes of DCI Format 0-0 and DCI Format 0-1, and unequal load sizes of DCI Format 1-0 and DCI Format 1-1.
  • the sentence "the Y control information formats are used to determine the X load sizes” includes the following meaning: the Y control information formats are based on different control information formats in the user equipment specific search space The principle of alignment of load sizes determines the X load sizes.
  • the above sentence "the Y control information formats are used to determine the X load sizes” includes the following meaning: the Y control information formats determine the X load sizes according to a mapping rule.
  • Embodiment 10 illustrates a schematic diagram of the relationship between the first load size and the target load size according to an embodiment of the present application, as shown in FIG. 10.
  • the horizontal axis represents the load size
  • the rectangle identified by the first load size represents the first bit sequence
  • the rectangle identified by the target load size represents the load of the first signaling
  • the target load size is greater than
  • the rectangle filled with diagonal lines represents padding bits
  • the target payload size is smaller than the first payload size
  • the rectangle filled with cross lines represents truncation bits (Truncation Bits).
  • the first bit sequence is used to generate the first signaling in this application, and the first payload size in this application is equal to the number of bits included in the first bit sequence; when When the target load size in this application is greater than the first load size, the first bit sequence is added with padding bits to generate the load of the first signaling, and the first load size and the first signaling Let the sum of the number of padding bits included in the payload be equal to the target payload size; when the target payload size is smaller than the first payload size, the first bit sequence generates the first bit sequence through bit reduction For signaling load, the number of bits of the first bit sequence to be deleted is equal to the difference between the first load size and the target load size.
  • the first bit sequence includes a positive integer number of bits.
  • the first bit sequence is composed of information bits (Information Bits) carried in the first signaling.
  • the first bit sequence is obtained by adding padding bits (Padding Bits) to information bits (Information Bits) carried in the first signaling.
  • the first bit sequence is that the information bits (Information Bits) carried in the first signaling pass through It is obtained by adding padding bits (Padding Bits); when the number of information bits (Information Bits) carried by the first signaling is not less than 12, the first bit sequence is the information carried by the first signaling Bits (Information Bits).
  • the first bit sequence is obtained by arranging bits in the fields in the DCI format (Format) used by the first signaling in order.
  • DCI format Form
  • the above sentence "the first bit sequence is used to generate the first signaling” includes the following meanings: the first bit sequence is added by padding bits, and CRC Attachment, Channel coding (Channel Coding), rate matching (Rate Matching), scrambling (Scrambling), modulation (Modulation), mapping to physical resources (Mapping to Physical Resources), OFDM baseband signal generation (OFDM Baseband Signal Generation) obtain the first One signaling.
  • the above sentence "the first bit sequence is used to generate the first signaling” includes the following meanings: the first bit sequence is added by padding bits, and CRC Attachment, Channel Coding, Rate Matching, Scrambling, Modulation, Mapping to Physical Resources, OFDM Baseband Signal Generation, Modulation Up-conversion (Modulation and Upconversion) to obtain the first signaling.
  • the above sentence "the first bit sequence is used to generate the first signaling” includes the following meanings: the first bit sequence is sequentially subjected to CRC attachment, channel coding, and rate Matching (Rate Matching), scrambling (Scrambling), modulation (Modulation), mapping to physical resources (Mapping to Physical Resources), OFDM baseband signal generation (OFDM Baseband Signal Generation) obtain the first signaling.
  • the above sentence "the first bit sequence is used to generate the first signaling” includes the following meanings: the first bit sequence is sequentially subjected to CRC attachment, channel coding, and rate Matching (Rate Matching), scrambling (Scrambling), modulation (Modulation), mapping to physical resources (Mapping to Physical Resources), OFDM baseband signal generation (OFDM Baseband Signal Generation), modulation up-conversion (Modulation and Upconversion) The first signaling.
  • the padding bits are '0' bits.
  • the added padding bit is '0' bit padding (Zero-Padding).
  • the above sentence "the first bit sequence generates the load of the first signaling by adding padding bits” includes the following meaning: the first bit sequence directly generates the first signaling by adding padding bits Load.
  • the above sentence "the first bit sequence generates the load of the first signaling by adding padding bits” includes the following meaning: the first bit sequence generates the first signaling indirectly by adding padding bits Load.
  • each padding bit included in the payload of the first signaling is a '0' bit.
  • the number of padding bits included in the load of the first signaling is W1, where W1 is a positive integer, and the padding bits included in the payload of the first signaling occupy the first signal.
  • the number of padding bits included in the load of the first signaling is W1, where W1 is a positive integer, and the padding bits included in the payload of the first signaling occupy the first signal.
  • the padding bits included in the load of the first signaling are discretely distributed in the load of the first signaling.
  • the bits included in the payload are discretely distributed in the load of the first signaling.
  • the padding bits included in the load of the first signaling are concentratedly distributed in the payload of the first signaling.
  • the bits included in the payload are concentratedly distributed in the payload.
  • the sentence "The first bit sequence generates the load of the first signaling by adding padding bits, the size of the first load and the amount of the padding bits included in the load of the first signaling "The sum of the numbers is equal to the target payload size" includes the following meaning: adding padding bits (Padding Bit) to the first bit sequence until the total number of bits is equal to the target payload size.
  • the first bit sequence is the load of the first signaling.
  • the sentence “the first bit sequence generates the load of the first signaling through bit reduction” includes the following meaning: the first bit sequence directly generates the first signaling through bit reduction Load.
  • the sentence “the first bit sequence generates the load of the first signaling through bit reduction” includes the following meaning: the first bit sequence indirectly generates the first signaling through bit reduction Load.
  • the deleted bits of the first bit sequence all belong to the same domain in the same DCI format (Format).
  • the number of punctured bits of the first bit sequence is greater than 1, there are two punctured bits of the first bit sequence belonging to two different ones in the same DCI format (Format) Domain.
  • the number of punctured bits of the first bit sequence is equal to W2, where W2 is a positive integer, and the punctured bit of the first bit sequence is the most significant bit (MSB) of the first bit sequence. , Most Significant Bits) W2 bits.
  • the number of punctured bits of the first bit sequence is equal to W2, where W2 is a positive integer, and the punctured bit of the first bit sequence is the least significant bit (LSB) of the first bit sequence. , Least Significant Bits) W2 bits.
  • the number of punctured bits of the first bit sequence is equal to W2, where W2 is a positive integer, and the punctured bits of the first bit sequence are the DCI format adopted by the first bit sequence
  • the number of punctured bits of the first bit sequence is equal to W2, where W2 is a positive integer, and the punctured bits of the first bit sequence are the DCI format adopted by the first bit sequence W2 bits of the least significant bit (LSB, Least Significant Bits) of a field (Format).
  • the punctured bits of the first bit sequence are discretely distributed among the bits included in the first bit sequence.
  • the deleted bits of the first bit sequence are concentratedly distributed among the bits included in the first bit sequence.
  • the above sentence "When the target load size is smaller than the first load size, the first bit sequence generates the load of the first signaling through bit reduction, and the first bit sequence is The “number of bits to be deleted is equal to the difference between the first payload size and the target payload size” includes the following meaning: when the target payload size is smaller than the first payload size, the first bit sequence passes through bit deletion. Minus knows that the number of bits is equal to the target payload size.
  • Embodiment 11 illustrates a schematic diagram of the relationship between M1 bits and the first field according to an embodiment of the present application, as shown in FIG. 11.
  • each thick-lined rectangle represents a field in the first bit sequence.
  • the rectangle filled with diagonal lines represents M1 bits; in case B, the rectangle filled with cross lines
  • the rectangle represents M1 bits; in case A and case B, the arrow direction represents the direction from the higher bit to the status bit.
  • the first bit sequence in the present application is deleted by M bits to generate For the load of the first signaling, the M bits including M1 bits belong to the first domain in the first bit sequence, the first domain is used to indicate frequency domain resources, and the M is positive An integer, the M1 is a positive integer not greater than the M.
  • the M1 bits are arranged in an order in the first bit sequence, and the M1 bits are the M1 Most Significant Bits (MSB, Most Significant Bits) in the first field.
  • MSB Most Significant Bits
  • the M1 bits are arranged in an order in the first bit sequence, and the M1 bits are M1 Least Significant Bits (LSB, Least Significant Bits) in the first field.
  • LSB Least Significant Bits
  • the M1 bits are arranged in the order in the first bit sequence, and when the M1 is greater than 1 and the M is greater than the M1, the M1 bits are concentratedly distributed in the M Bits.
  • the M1 bits are arranged in the order in the first bit sequence, and when the M1 is greater than 1 and the M is greater than the M1, the M1 bits are discretely distributed in the M Bits.
  • the M1 is equal to the M.
  • the M1 is smaller than the M.
  • the M1 is equal to the M, and the M1 bits are the M bits.
  • the first field is a field in the DCI format (Format) used to generate the information bits of the first bit sequence.
  • the first field is a field in the DCI format (Format) adopted by the first bit sequence.
  • the M1 bits are the M1 Most Significant Bits (MSB, Most Significant Bits) of the first domain before bit reduction.
  • the M1 bits are the M1 least significant bits (LSB, Least Significant Bits) of the first field before bit reduction.
  • the first field is a "Frequency Domain Resource Assignment" field.
  • the above sentence "the first field is used to indicate frequency domain resources” includes the following meaning: the first field is used to indicate the frequency occupied by PDSCH (Physical Downlink Shared Channel) Domain resources.
  • PDSCH Physical Downlink Shared Channel
  • the above sentence "the first field is used to indicate frequency domain resources” includes the following meaning: the first field is used to indicate the frequency occupied by PUSCH (Physical Uplink Shared Channel) Domain resources.
  • PUSCH Physical Uplink Shared Channel
  • the first field is used to indicate frequency domain resources
  • the first field is used to indicate PSSCH (Physical Sidelink Shared Channel) occupation Frequency domain resources.
  • the above sentence "the first field is used to indicate frequency domain resources” includes the following meaning: the first field is used to indicate PSCCH (Physical Sidelink Control Channel) occupied Frequency domain resources.
  • PSCCH Physical Sidelink Control Channel
  • the above sentence "the first domain is used to indicate frequency domain resources” includes the following meaning: the first domain is used to indicate a frequency domain resource pool used for sidelink transmission ( Frequency Domain Resource Pool).
  • the first field is used to indicate frequency domain resources
  • the first field is used to indicate PSSCH (Physical Sidelink Shared Channel) occupation
  • the above sentence "the first field is used to indicate frequency domain resources” includes the following meaning: the first field is used to indicate PSCCH (Physical Sidelink Control Channel) occupied The frequency domain subchannel (Subchannel).
  • PSCCH Physical Sidelink Control Channel
  • Subchannel The frequency domain subchannel
  • the above sentence "the first domain is used to indicate frequency domain resources” includes the following meaning: the first domain is used by the second communication node device in this application to indicate frequency domain resources.
  • the above sentence "the first domain is used to indicate frequency domain resources” includes the following meaning: the first domain is used by the first communication node device in this application to indicate frequency domain resources.
  • the above sentence “the first domain is used to indicate frequency domain resources” includes the following meaning: the first domain is used to directly indicate frequency domain resources.
  • the sentence "the first domain is used to indicate frequency domain resources” includes the following meaning: the first domain is used to indirectly indicate frequency domain resources.
  • the sentence “the first domain is used to indicate frequency domain resources” includes the following meaning: the first domain is used to explicitly indicate frequency domain resources.
  • the sentence “the first domain is used to indicate frequency domain resources” includes the following meaning: the first domain is used to implicitly indicate frequency domain resources.
  • Embodiment 12 illustrates a schematic diagram of the calculation process of the target load size according to an embodiment of the present application, as shown in FIG. 12.
  • each rectangle represents an operation, and each diamond represents a judgment.
  • the target search space is a common search space in 1202
  • determine X load sizes in 1203 determine whether X is equal to 1, in 1205, and determine whether the target load sizes are equal to X in 1205.
  • the target load size is equal to the largest load size among the X load sizes.
  • the target load size is equal to the load size that is not less than the first load size and has the smallest difference from the first load size among the X load sizes.
  • the load size of DCI Format 1-0 is determined in 1209, and the target load size in 1210 is equal to DCI Format 1-0 load size.
  • the first control information format is DCI Format 1-0.
  • the first control information format is DCI Format 1-0 in the Common Search Space (CSS).
  • Embodiment 13 illustrates a structural block diagram of the processing device in the first communication node device of an embodiment, as shown in FIG. 13.
  • the first communication node device processing apparatus 1300 includes a first receiver 1301, a second receiver 1302, and a first processor 1303.
  • the first receiver 1301 includes the transmitter/receiver 456 (including the antenna 460), the receiving processor 452 and the controller/processor 490 in Figure 4 of the present application;
  • the second receiver 1302 includes the transmitter/receiver 456 in Figure 4 of the present application The transmitter/receiver 456 (including the antenna 460), the receiving processor 452 and the controller/processor 490;
  • the first processor 1303 includes the transmitter/receiver 456 (including the antenna 460) in Figure 4 of the present application, and the receiving The processor 452, the transmitting processor 455 and the controller/processor 490.
  • the first receiver 1301 receives first information, the first information is used to determine the first load size, the first load size is a positive integer; the second receiver 1302 monitors in the target search space In the first signaling, the load size of the load of the first signaling is equal to the target load size; wherein the target search space is used to determine X load sizes, and the target load size is equal to one of the X load sizes Load size, the X is a positive integer, any one of the X load sizes is a positive integer; when the X is greater than 1 and one of the X load sizes is not smaller than the first load size When the target load size is equal to the load size of the X load sizes that is not less than the first load size and has the smallest difference from the first load size; when the X is greater than 1 and the X When any one of the X load sizes is smaller than the first load size, the target load size is equal to the largest load size among the X load sizes.
  • the first receiver 1301 receives the second information; wherein the target search space is a public search space, or the target search space is a user equipment specific search space; the second information is used to determine Whether the target search space is a public search space or a user equipment specific search space.
  • the first receiver 1301 receives the second information; wherein the target search space is a public search space, or the target search space is a user equipment specific search space; the second information is used to determine Whether the target search space is a public search space or a user equipment specific search space; when the target search space is a public search space, the X is equal to 1 and the target load size is equal to the load of the control information in the first control information format Size, the control information in the first control information format can be used to schedule the physical downlink shared channel in the common search space.
  • the first receiver 1301 receives the second information; wherein the target search space is a public search space, or the target search space is a user equipment specific search space; the second information is used to determine Whether the target search space is a public search space or a user equipment specific search space; when the target search space is a user equipment specific search space, the second information is also used to determine Y control information formats, where Y is greater than A positive integer of 1; the Y control information formats are used to determine the X load sizes.
  • the first bit sequence is used to generate the first signaling, and the first payload size is equal to the number of bits included in the first bit sequence; when the target payload size is greater than the first signal In the case of a load size, the first bit sequence generates the load of the first signaling by adding padding bits, and the sum of the first load size and the number of padding bits included in the load of the first signaling Equal to the target load size; when the target load size is smaller than the first load size, the first bit sequence generates the load of the first signaling through bit reduction, and the first bit sequence is deleted The number of subtracted bits is equal to the difference between the first payload size and the target payload size.
  • the first bit sequence is used to generate the first signaling, and the first payload size is equal to the number of bits included in the first bit sequence; when the target payload size is greater than the first signal In the case of a load size, the first bit sequence generates the load of the first signaling by adding padding bits, and the sum of the first load size and the number of padding bits included in the load of the first signaling Equal to the target load size; when the target load size is smaller than the first load size, the first bit sequence generates the load of the first signaling through bit reduction, and the first bit sequence is deleted
  • the number of reduced bits is equal to the difference between the first payload size and the target payload size; when the target payload size is smaller than the first payload size, the first bit sequence is generated after M bits are deleted
  • the load of the first signaling the M bits including M1 bits belong to the first domain in the first bit sequence, the first domain is used to indicate frequency domain resources, and the M is a positive integer , The M1 is a positive integer not greater than the M.
  • the first processor 1303 operates the first signal; wherein, the first signaling is detected, and the first signaling is used to determine the time-frequency resource occupied by the first signal, so The operation is sending, or the operation is receiving.
  • Embodiment 14 illustrates a structural block diagram of a processing device in a second communication node device of an embodiment, as shown in FIG. 14.
  • the second communication node device processing apparatus 1400 includes a first transmitter 1401, a second transmitter 1402, and a second processor 1403.
  • the first transmitter 1401 includes the transmitter/receiver 416 (including the antenna 420), the transmission processor 415 and the controller/processor 440 in Figure 4 of the present application;
  • the second transmitter 1402 includes the transmitter/receiver 416 in Figure 4 of the present application The transmitter/receiver 416 (including the antenna 420), the transmitting processor 415 and the controller/processor 440;
  • the second processor 1403 includes the transmitter/receiver 416 (including the antenna 420) in Figure 4 of the present application, and transmitting
  • the processor 415 receives the processor 412 and the controller/processor 440.
  • the first transmitter 1401 sends first information, the first information is used to determine the first payload size, and the first payload size is a positive integer; the second transmitter 1402 sends in the target search space In the first signaling, the load size of the load of the first signaling is equal to the target load size; wherein the target search space is used to determine X load sizes, and the target load size is equal to one of the X load sizes Load size, the X is a positive integer, any one of the X load sizes is a positive integer; when the X is greater than 1 and one of the X load sizes is not smaller than the first load size When the target load size is equal to the load size of the X load sizes that is not less than the first load size and has the smallest difference from the first load size; when the X is greater than 1 and the X When any one of the X load sizes is smaller than the first load size, the target load size is equal to the largest load size among the X load sizes.
  • the first transmitter 1401 sends second information; wherein, the target search space is a common search space, or the target search space is a user equipment specific search space; the second information is used to indicate Whether the target search space is a public search space or a user equipment specific search space.
  • the first transmitter 1401 sends second information; wherein, the target search space is a common search space, or the target search space is a user equipment specific search space; the second information is used to indicate Whether the target search space is a public search space or a user equipment specific search space; when the target search space is a public search space, the X is equal to 1 and the target load size is equal to the load of the control information in the first control information format Size, the control information in the first control information format can be used to schedule the physical downlink shared channel in the common search space.
  • the first transmitter 1401 sends second information; wherein, the target search space is a common search space, or the target search space is a user equipment specific search space; the second information is used to indicate Whether the target search space is a public search space or a user equipment specific search space; when the target search space is a user equipment specific search space, the second information is also used to indicate Y control information formats, and Y is greater than A positive integer of 1; the Y control information formats are used to determine the X load sizes.
  • the first bit sequence is used to generate the first signaling, and the first payload size is equal to the number of bits included in the first bit sequence; when the target payload size is greater than the first signal In the case of a load size, the first bit sequence generates the load of the first signaling by adding padding bits, and the sum of the first load size and the number of padding bits included in the load of the first signaling Equal to the target load size; when the target load size is smaller than the first load size, the first bit sequence generates the load of the first signaling through bit reduction, and the first bit sequence is deleted The number of subtracted bits is equal to the difference between the first payload size and the target payload size.
  • the first bit sequence is used to generate the first signaling, and the first payload size is equal to the number of bits included in the first bit sequence; when the target payload size is greater than the first signal In the case of a load size, the first bit sequence generates the load of the first signaling by adding padding bits, and the sum of the first load size and the number of padding bits included in the load of the first signaling Equal to the target load size; when the target load size is smaller than the first load size, the first bit sequence generates the load of the first signaling through bit reduction, and the first bit sequence is deleted
  • the number of reduced bits is equal to the difference between the first payload size and the target payload size; when the target payload size is smaller than the first payload size, the first bit sequence is generated after M bits are deleted
  • the load of the first signaling the M bits including M1 bits belong to the first domain in the first bit sequence, the first domain is used to indicate frequency domain resources, and the M is a positive integer , The M1 is a positive integer not greater than the M.
  • the second processor 1403 executes the first signal; wherein, the first signaling is used to determine the time-frequency resource occupied by the first signal, and the execution is receiving, or the execution is send.
  • each module unit in the above-mentioned embodiment can be realized in the form of hardware or software function module, and this application is not limited to the combination of software and hardware in any specific form.
  • the first communication node device or the second communication node device or UE or terminal in this application includes, but is not limited to, mobile phones, tablets, notebooks, network cards, low-power devices, eMTC devices, NB-IoT devices, in-vehicle communication devices, Wireless communication equipment such as aircraft, airplanes, unmanned aerial vehicles, remote control aircraft, etc.
  • the base station equipment or base station or network side equipment in this application includes but not limited to macro cell base station, micro cell base station, home base station, relay base station, eNB, gNB, transmission and receiving node TRP, relay satellite, satellite base station, air base station, etc. Wireless communication equipment.

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Abstract

本申请公开了一种用于无线通信的通信节点中的方法和装置。通信节点接收第一信息，所述第一信息被用于确定第一负载尺寸；在目标搜索空间中监测第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸；当所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。本申请提高控制信令的性能。

Description

一种被用于无线通信的节点中的方法和装置 技术领域
本申请涉及无线通信系统中的传输方法和装置，尤其涉及无线通信中的控制信息的传输方案和装置。
背景技术
未来无线通信系统的应用场景越来越多元化，不同的应用场景对系统提出了不同的性能要求。为了满足多种应用场景的不同的性能需求，在3GPP(3rd Generation Partner Project，第三代合作伙伴项目)RAN(Radio Access Network，无线接入网)#72次全会上决定对新空口技术(NR，New Radio)(或Fifth Generation，5G)进行研究,在3GPP RAN#75次全会上通过了NR的WI(Work Item，工作项目)，开始对NR进行标准化工作。
针对迅猛发展的车联网(Vehicle-to-Everything，V2X)业务，3GPP也开始启动了在NR框架下的标准制定和研究工作。目前3GPP已经完成了面向5G V2X业务的需求制定工作，并写入标准TS22.886中。3GPP为5G V2X业务识别和定义了4大用例组(Use Case Group)，包括：自动排队驾驶(Vehicles Platnooning)，支持扩展传感(Extended Sensors)，半/全自动驾驶(Advanced Driving)和远程驾驶(Remote Driving)。在3GPP RAN#80次全会上通过了NR V2X的技术研究工作项目(SI，Study Item)。
发明内容
NR V2X和现有的LTE V2X系统相比，一个显著的特征在于可以支持组播和单播以及支持HARQ(Hybrid Automatic Repeat Request，混合自动重传请求)功能。另外和LTE V2X类似，NR V2X也支持网络控制的伴随链路传输(例如NR V2X的模式一，或者LTE V2X的模式三)。在NR V2X中也很有可能引入新的DCI(Downlink Control Information，下行控制信息)格式(Format)来支持网络控制的伴随链路传输。关于NR V2X的DCI的设计需要解决方案。在NR的其它讨论中，比如URLLC的增强讨论或者MIMO的增强讨论中也有可能引入新的DCI格式，本申请中的解决方案也有可能被应用到NR V2X之外的应用场景的DCI设计中，甚至应用到SCI(Sidelink Control Information，伴随链路控制信息)的设计中。
针对NR V2X中的DCI的设计的问题，本申请公开了一种解决方案。需要说明的是，在不冲突的情况下，本申请的第一通信节点设备中的实施例和实施例中的特征可以应用到第二通信节点设备中，反之亦然。在不冲突的情况下，本申请的实施例和实施例中的特征可以任意相互组合。
本申请公开了一种用于无线通信中的第一通信节点中的方法，其特征在于，包括：
接收第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；
在目标搜索空间中监测第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；
其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
作为一个实施例，当所述X大于1时，根据所述第一负载尺寸和所述X个负载尺寸的大小关系，采用不同的负载尺寸对齐(Payload Size alignment)的方案，从而可以在保证不增加用户设备的复杂度的情况下依情况在新的DCI Format中添加填充比特(Padding bit)或者进行比特删减(Truncation)，提高DCI的传输性能和鲁棒性。
作为一个实施例，通过所述目标负载尺寸等于所述X个负载尺寸中的一个负载尺寸，从而保证新引入的DCI format的负载尺寸(Payload size)和现有的负载尺寸对齐，降低了用户设备的检测复杂性的同时最小化对现有的设计的影响(或者最小化伴随链路业务对蜂窝业务的影响)，保证了后向兼容性。
根据本申请的一个方面，上述方法的特征在于，还包括：
接收第二信息；
其中，所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间。
根据本申请的一个方面，上述方法的特征在于，当所述目标搜索空间是公共搜索空间时，所述X等于1并且所述目标负载尺寸等于采用第一控制信息格式的控制信息的负载尺寸，采用所述第一控制信息格式的控制信息可以被用于在公共搜索空间中调度物理下行共享信道。
作为一个实施例，通过限定在公共搜索空间中的备选的负载尺寸，可以在不增加在公共搜索空间中的盲检复杂性的情况下同时支持新引入的DCI在公共搜索空间中的传输，同时保证了系统的初始接入和正常运行。
根据本申请的一个方面，上述方法的特征在于，当所述目标搜索空间是用户设备特定搜索空间时，所述第二信息还被用于确定Y个控制信息格式，所述Y是大于1的正整数；所述Y个控制信息格式被用于确定所述X个负载尺寸。
根据本申请的一个方面，上述方法的特征在于，第一比特序列被用于生成所述第一信令，所述第一负载尺寸等于所述第一比特序列所包括的比特的数量；当所述目标负载尺寸大于所述第一负载尺寸时，所述第一比特序列经过添加填充比特生成所述第一信令的负载，所述第一负载尺寸和所述第一信令的负载中所包括的填充比特的数量的和等于所述目标负载尺寸；当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列通过比特删减生成所述第一信令的负载，所述第一比特序列被删减的比特的数量等于所述第一负载尺寸和所述目标负载尺寸的差。
根据本申请的一个方面，上述方法的特征在于，当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列被删减M个比特后生成所述第一信令的负载，所述M个比特中包括M1个比特属于所述第一比特序列中的第一域，所述第一域被用于指示频域资源，所述M是正整数，所述M1是不大于所述M的正整数。
根据本申请的一个方面，上述方法的特征在于，还包括：
操作第一信号；
其中，所述第一信令被检测到，所述第一信令被用于确定所述第一信号所占用的时频资源，所述操作是发送，或者所述操作是接收。
本申请公开了一种用于无线通信中的第二通信节点中的方法，其特征在于，包括：
发送第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；
在目标搜索空间中发送第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；
其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
根据本申请的一个方面，上述方法的特征在于，还包括：
发送第二信息；
其中，所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索 空间；所述第二信息被用于指示所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间。
根据本申请的一个方面，上述方法的特征在于，当所述目标搜索空间是公共搜索空间时，所述X等于1并且所述目标负载尺寸等于采用第一控制信息格式的控制信息的负载尺寸，采用所述第一控制信息格式的控制信息可以被用于在公共搜索空间中调度物理下行共享信道。
根据本申请的一个方面，上述方法的特征在于，当所述目标搜索空间是用户设备特定搜索空间时，所述第二信息还被用于指示Y个控制信息格式，所述Y是大于1的正整数；所述Y个控制信息格式被用于确定所述X个负载尺寸。
根据本申请的一个方面，上述方法的特征在于，第一比特序列被用于生成所述第一信令，所述第一负载尺寸等于所述第一比特序列所包括的比特的数量；当所述目标负载尺寸大于所述第一负载尺寸时，所述第一比特序列经过添加填充比特生成所述第一信令的负载，所述第一负载尺寸和所述第一信令的负载中所包括的填充比特的数量的和等于所述目标负载尺寸；当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列通过比特删减生成所述第一信令的负载，所述第一比特序列被删减的比特的数量等于所述第一负载尺寸和所述目标负载尺寸的差。
根据本申请的一个方面，上述方法的特征在于，当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列被删减M个比特后生成所述第一信令的负载，所述M个比特中包括M1个比特属于所述第一比特序列中的第一域，所述第一域被用于指示频域资源，所述M是正整数，所述M1是不大于所述M的正整数。
根据本申请的一个方面，上述方法的特征在于，还包括：
执行第一信号；
其中，所述第一信令被用于确定所述第一信号所占用的时频资源，所述执行是接收，或者所述执行是发送。
本申请公开了一种用于无线通信中的第一通信节点设备，其特征在于，包括：
第一接收机，接收第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；
第二接收机，在目标搜索空间中监测第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；
其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
根据本申请的一个方面，上述第一通信节点设备的特征在于，还包括：
第一处理机，操作第一信号；
其中，所述第一信令被检测到，所述第一信令被用于确定所述第一信号所占用的时频资源，所述操作是发送，或者所述操作是接收。
本申请公开了一种用于无线通信中的第二通信节点设备，其特征在于，包括：
第一发射机，发送第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；
第二发射机，在目标搜索空间中发送第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；
其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺 寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
根据本申请的一个方面，上述第二通信节点设备的特征在于，还包括：
第二处理机，执行第一信号；
其中，所述第一信令被用于确定所述第一信号所占用的时频资源，所述执行是接收，或者所述执行是发送。
作为一个实施例，本申请中的方法具备如下优势：
-.采用本申请中的方法，保证新引入的DCI format的负载尺寸(Payload size)和现有的负载尺寸对齐，降低了用户设备的检测复杂性的同时最小化对现有的设计的影响(或者最小化伴随链路业务对蜂窝业务的影响)，保证了后向兼容性。
-.采用本申请中的方法，可以在保证不增加用户设备的复杂度的情况下依情况在新的DCI Format中添加填充比特(Padding bit)或者进行比特删减(Truncation)，提高DCI的传输性能和鲁棒性。
-.采用本申请中的方法，通过限定在公共搜索空间中的备选的负载尺寸，可以在不增加在公共搜索空间中的盲检复杂性的情况下同时支持新引入的DCI在公共搜索空间中的传输，同时保证了系统的初始接入和正常运行。
附图说明
通过阅读参照以下附图中的对非限制性实施例所作的详细描述，本申请的其它特征、目的和优点将会变得更加明显：
图1示出了根据本申请的一个实施例的第一信息和第一信令的流程图；
图2示出了根据本申请的一个实施例的网络架构的示意图；
图3示出了根据本申请的一个实施例的用户平面和控制平面的无线协议架构的示意图；
图4示出了根据本申请的一个实施例的第一通信节点设备和第二通信节点设备的示意图；
图5示出了根据本申请的一个实施例的无线信号传输流程图；
图6示出了根据本申请的另一个实施例的无线信号传输流程图；
图7示出了根据本申请的另一个实施例的无线信号传输流程图；
图8示出了根据本申请的一个实施例的目标负载尺寸和第一控制信息格式之间的关系的示意图；
图9示出了根据本申请的一个实施例的Y个控制信息格式和X个负载尺寸之间的关系的示意图；
图10示出了根据本申请的一个实施例的第一负载尺寸和目标负载尺寸之间的关系的示意图；
图11示出了根据本申请的一个实施例的M1个比特和第一域之间的关系的示意图；
图12示出了根据本申请的一个实施例的目标负载尺寸的计算过程的示意图；
图13示出了根据本申请的一个实施例的第一通信节点设备中的处理装置的结构框图；
图14示出了根据本申请的一个实施例的第二通信节点设备中的处理装置的结构框图。
具体实施方式
下文将结合附图对本申请的技术方案作进一步详细说明，需要说明的是，在不冲突的情况下，本申请的实施例和实施例中的特征可以任意相互组合。
实施例1
实施例1示例了根据本申请的一个实施例的第一信息和第一信令的流程图，如附图1所示。在附图1中，每个方框代表一个步骤，特别需要强调的是图中的各个方框的顺序并不代表所表示的步骤之间在时间上的先后关系。
在实施例1中，本申请中的第一通信节点设备在步骤101中接收第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；在步骤102中在目标搜索空间中监测第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
作为一个实施例，所述第一信息通过空中接口传输。
作为一个实施例，所述第一信息通过无线接口传输。
作为一个实施例，所述第一信息通过PC5接口传输。
作为一个实施例，所述第一信息通过Uu接口传输。
作为一个实施例，所述第一信息通过伴随链路(Sidelink)传输。
作为一个实施例，所述第一信息通过基带(Baseband)信号携带。
作为一个实施例，所述第一信息通过射频(RF，Radio Frequency)信号携带。
作为一个实施例，所述第一信息是在所述第一通信节点设备内部传递的。
作为一个实施例，所述第一信息包括高层信息，所述第一信息从所述第一通信节点设备的高层传递到所述第一通信节点设备的物理层。
作为一个实施例，所述第一信息是预配置的(Pre-configured)。
作为一个实施例，所述第一信息包括一个预配置的(Preconfigured)RRC(Radio Resource Control，无线资源控制)IE(Information Element，信息单元)中的全部或部分。
作为一个实施例，所述第一信息包括物理层信息。
作为一个实施例，所述第一信息包括动态信息。
作为一个实施例，所述第一信息是半静态信息。
作为一个实施例，所述第一信息包括SIB(System Information Block，系统信息块)中的全部或部分信息。
作为一个实施例，所述第一信息包括MIB(Master Information Block，主信息块)中的全部或部分信息。
作为一个实施例，所述第一信息包括一个RRC(Radio Resource Control，无线资源控制)信令中的全部或部分。
作为一个实施例，所述第一信息是小区特有的(Cell Specific/Cell Common)。
作为一个实施例，所述第一信息是用户特有的(UE Specific/Dedicated)。
作为一个实施例，所述第一信息是地理区域特有的(Zone-Specific)。
作为一个实施例，所述第一信息是广播的。
作为一个实施例，所述第一信息是单播的。
作为一个实施例，所述第一信息包括一个DCI(Downlink Control Information，下行控制信息)中的全部或部分域(Field)。
作为一个实施例，所述第一信息通过DL-SCH(Downlink Shared Channel，下行共享信道)传输的。
作为一个实施例，所述第第一信息通过PDSCH(Physical Downlink Shared Channel，物理下行共享信道)传输的。
作为一个实施例，所述第一信息通过SL-SCH(Sidelink Shared Channel，伴随链路共享信 道)传输的。
作为一个实施例，所述第一信息通过PSSCH(Physical Sidelink Shared Channel，物理伴随链路共享信道)传输的。
作为一个实施例，所述第一信息通过PDCCH(Physical Downlink Control Channel，物理下行控制信道)传输的。
作为一个实施例，上述句子“所述第一信息被用于确定第一负载尺寸”包括以下含义：所述第一信息被本申请中的所述第一通信节点设备用于确定所述第一负载尺寸。
作为一个实施例，上述句子“所述第一信息被用于确定第一负载尺寸”包括以下含义：所述第一信息被用于直接指示所述第一负载尺寸。
作为一个实施例，上述句子“所述第一信息被用于确定第一负载尺寸”包括以下含义：所述第一信息被用于间接确定所述第一负载尺寸。
作为一个实施例，上述句子“所述第一信息被用于确定第一负载尺寸”包括以下含义：所述第一信息被用于显式地指示所述第一负载尺寸。
作为一个实施例，上述句子“所述第一信息被用于确定第一负载尺寸”包括以下含义：所述第一信息被用于隐式地确定所述第一负载尺寸。
作为一个实施例，上述句子“所述第一信息被用于确定第一负载尺寸”包括以下含义：所述第一信息指示第一带宽部分(BWP，Bandwidth Part)，所述第一带宽部分所占用的频域带宽被用于确定所述第一负载尺寸。
作为一个实施例，上述句子“所述第一信息被用于确定第一负载尺寸”包括以下含义：所述第一信息指示第一带宽部分(BWP，Bandwidth Part)，所述第一带宽部分在频域所占用的物理资源块(PRB，Physical Resource Block)的数量被用于确定所述第一负载尺寸。
作为一个实施例，上述句子“所述第一信息被用于确定第一负载尺寸”包括以下含义：所述第一信息指示第一带宽部分(BWP，Bandwidth Part)，所述第一带宽部分在频域所占用的物理资源块(PRB，Physical Resource Block)的数量被用于确定所述第一负载尺寸，所述第一带宽部分可以被用于伴随链路(Sidelink)。
作为一个实施例，上述句子“所述第一信息被用于确定第一负载尺寸”包括以下含义：所述第一信息指示第一频域资源池(Resource pool)，所述第一频域资源池在频域所占用的物理资源块(PRB，Physical Resource Block)的数量被用于确定所述第一负载尺寸。
作为一个实施例，上述句子“所述第一信息被用于确定第一负载尺寸”包括以下含义：所述第一信息指示第一备选延时集合，所述第一备选延时集合中包括正整数个备选延时，所述第一备选延时集合中所包括的备选延时的数量被用于确定所述第一负载尺寸。
作为一个实施例，上述句子“所述第一信息被用于确定第一负载尺寸”包括以下含义：所述第一信息指示在所述第一信令中是否携带第二域(Field)，所述第一信令中是否携带第二域被用于确定所述第一负载尺寸。
作为一个实施例，所述第一负载尺寸大于1。
作为一个实施例，所述第一负载尺寸不小于12。
作为一个实施例，所述第一负载尺寸等于12。
作为一个实施例，所述第一负载尺寸大于12。
作为一个实施例，所述第一负载尺寸是一个DCI格式(Format)中所包括的信息比特的数量。
作为一个实施例，所述第一负载尺寸是所述第一信令所采用的DCI格式(Format)中所包括的信息比特的数量。
作为一个实施例，所述第一负载尺寸是一个SCI格式(Format)中所包括的信息比特的数量。
作为一个实施例，所述第一负载尺寸是所述第一信令所采用的SCI格式(Format)中所包括的信息比特的数量。
作为一个实施例，所述第一负载尺寸是所述第一信令中所能包括的信息比特的数量。
作为一个实施例，所述第一负载尺寸是一个DCI格式(Format)中所包括的信息比特的数量和填充比特(Padding Bits)的数量的和。
作为一个实施例，所述第一负载尺寸是一个包括信息比特的数量小于12的DCI格式(Format)经过添加填充比特(Padding bits)得到的DCI负载(Payload)的负载尺寸(Payload Size)，所述第一负载尺寸等于12。
作为一个实施例，所述第一负载尺寸是所述第一信令中的域(Field)在没有经过删减(Truncation)或者添加填充比特(Padding Bits)之前的所有的域所包括的比特数量的和。
作为一个实施例，所述第一负载尺寸是所述第一信令在没有经过删减(Truncation)或者添加填充比特(Padding Bits)之前所包括的信息比特的数量。
作为一个实施例，所述第一负载尺寸是所述第一信令所采用的DCI格式(Format)在没有经过删减(Truncation)或者添加填充比特(Padding Bits)之前的所有的域所包括的比特数量的和。
作为一个实施例，本申请中的所述第一比特序列被用于生成所述第一信令，所述第一负载尺寸等于所述第一比特序列所包括的比特的数量。
作为一个实施例，所述第一负载尺寸等于一个被用于生成所述第一信令的比特序列所包括的比特的数量。
作为一个实施例，所述第一负载尺寸是本申请中的所述第一通信节点设备自行确定的所述第一信令所能够携带的信息比特的数量。
作为一个实施例，所述目标搜索空间是一个搜索空间集合(Search Space Set)。
作为一个实施例，所述目标搜索空间是公共搜索空间(CSS，Common Search Space)或者用户设备特定搜索空间(USS，UE-Specific Search Space)。
作为一个实施例，所述目标搜索空间是公共搜索空间集合(CSS Set，Common Search Space Set)或者用户设备特定搜索空间集合(USS Set，UE-Specific Search Space Set)。
作为一个实施例，所述目标搜索空间包括正整数个PDCCH(Physical Downlink Control Channel，物理下行控制信道)备选(Candidate)。
作为一个实施例，所述目标搜索空间包括正整数个PSCCH(Physical Sidelink Control Channel，物理伴随链路控制信道)备选(Candidate)。
作为一个实施例，所述目标搜索空间包括正整数个所述第一信令的备选的时频资源集合。
作为一个实施例，所述目标搜索空间包括正整数个可能被用于传输所述第一信令的时频资源集合。
作为一个实施例，所述目标搜索空间包括正整数个被本申请中所述第一通信节点设备用于盲检测所述第一信令的所述第一信令的备选(Candidate)。
作为一个实施例，所述目标搜索空间包括正整数个可能被用于传输所述第一信令的时频资源集合和可能被所述第一信令采用的DCI格式(Format)的组合。
作为一个实施例，所述目标搜索空间包括正整数个可能被用于传输所述第一信令的时频资源集合和可能被所述第一信令采用的SCI格式(Format)的组合。
作为一个实施例，所述第一信令是物理层信令。
作为一个实施例，所述第一信令是动态信令。
作为一个实施例，所述第一信令携带DCI(Downlink Control Information，下行控制信息)。
作为一个实施例，所述第一信令携带SCI(Sidelink Control Information，伴随链路控制信息)。
作为一个实施例，所述第一信令是PDCCH(Physical Downlink Control Channel，物理下行控制信道)。
作为一个实施例，所述第一信令是PSCCH(Physical Sidelink Control Channel，物理伴随链路控制信道)。
作为一个实施例，所述第一信令是用户特定的(UE-Specific)。
作为一个实施例，所述第一信令是小区特定的(Cell-Specific)。
作为一个实施例，所述第一信令是经过用户特定的(UE-Specific)RNTI(Radio Network Temporary Identity，无线网络临时标识)加扰的PDCCH(Physical Downlink Control Channel，物理下行控制信道)。
作为一个实施例，所述第一信令通过空中接口传输。
作为一个实施例，所述第一信令通过无线接口传输。
作为一个实施例，所述第一信令通过PC5接口传输。
作为一个实施例，所述第一信令通过Uu接口传输。
作为一个实施例，所述第一信令通过伴随链路(Sidelink)传输。
作为一个实施例，所述第一信令通过基带(Baseband)信号携带。
作为一个实施例，所述第一信令通过射频(RF，Radio Frequency)信号携带。
作为一个实施例，一个比特序列依次经过填充比特(padding bits)添加，CRC附着(CRC Attachment)，信道编码(Channel Coding)，速率匹配(Rate Matching)，加扰(Scrambling)，调制(Modulation)，映射到物理资源(Mapping to Physical Resources)，OFDM基带信号生成(OFDM Baseband Signal Generation)得到所述第一信令。
作为一个实施例，一个比特序列依次经过填充比特(padding bits)添加，CRC附着(CRC Attachment)，信道编码(Channel Coding)，速率匹配(Rate Matching)，加扰(Scrambling)，调制(Modulation)，映射到物理资源(Mapping to Physical Resources)，OFDM基带信号生成(OFDM Baseband Signal Generation)，调制上变频(Modulation and Upconversion)得到所述第一信令。
作为一个实施例，一个比特序列依次经过删减比特(truncation)，CRC附着(CRC Attachment)，信道编码(Channel Coding)，速率匹配(Rate Matching)，加扰(Scrambling)，调制(Modulation)，映射到物理资源(Mapping to Physical Resources)，OFDM基带信号生成(OFDM Baseband Signal Generation)得到所述第一信令。
作为一个实施例，一个比特序列依次经过删减比特(truncation)，CRC附着(CRC Attachment)，信道编码(Channel Coding)，速率匹配(Rate Matching)，加扰(Scrambling)，调制(Modulation)，映射到物理资源(Mapping to Physical Resources)，OFDM基带信号生成(OFDM Baseband Signal Generation)，调制上变频(Modulation and Upconversion)得到所述第一信令。
作为一个实施例，一个比特序列依次经过CRC附着(CRC Attachment)，信道编码(Channel Coding)，速率匹配(Rate Matching)，加扰(Scrambling)，调制(Modulation)，映射到物理资源(Mapping to Physical Resources)，OFDM基带信号生成(OFDM Baseband Signal Generation)得到所述第一信令。
作为一个实施例，一个比特序列依次经过CRC附着(CRC Attachment)，信道编码(Channel Coding)，速率匹配(Rate Matching)，加扰(Scrambling)，调制(Modulation)，映射到物理资源(Mapping to Physical Resources)，OFDM基带信号生成(OFDM Baseband Signal Generation)，调制上变频(Modulation and Upconversion)得到所述第一信令。
作为一个实施例，上述句子“在目标搜索空间中监测第一信令”包括以下含义：在所述目标搜索空间中按照所述第一信令所采用的DCI格式(Format)监测(Monitor)所述第一信令。
作为一个实施例，上述句子“在目标搜索空间中监测第一信令”包括以下含义：在所述目标搜索空间中按照所述第一信令所采用的SCI格式(Format)监测(Monitor)所述第一信令。
作为一个实施例，上述句子“在目标搜索空间中监测第一信令”包括以下含义：按照所述第一信令所采用的DCI格式(Format)解码(Decode)所述目标搜索空间中的每个PDCCH 备选(Candidate)。
作为一个实施例，上述句子“在目标搜索空间中监测第一信令”包括以下含义：按照所述第一信令所采用的SCI格式(Format)解码(Decode)所述目标搜索空间中的每个PSCCH备选(Candidate)。
作为一个实施例，上述句子“在目标搜索空间中监测第一信令”包括以下含义：按照所述第一信令所采用的DCI格式(Format)盲解码(Blindly Decode)所述目标搜索空间中的每个PDCCH备选(Candidate)。
作为一个实施例，上述句子“在目标搜索空间中监测第一信令”包括以下含义：按照所述第一信令所采用的SCI格式(Format)盲解码(Blindly Decode)所述目标搜索空间中的每个PSCCH备选(Candidate)。
作为一个实施例，上述句子“在目标搜索空间中监测第一信令”包括以下含义：解码(Decode)所述目标搜索空间中的每个PDCCH备选(Candidate)并通过CRC校验是否通过来确定在所述目标搜索空间中的是否存在一个PDCCH备选(Candidate)被用于携带所述第一信令。
作为一个实施例，上述句子“在目标搜索空间中监测第一信令”包括以下含义：解码(Decode)所述目标搜索空间中的每个PSCCH备选(Candidate)并通过CRC校验是否通过来确定在所述目标搜索空间中的是否存在一个PSCCH备选(Candidate)被用于携带所述第一信令。
作为一个实施例，上述句子“在目标搜索空间中监测第一信令”包括以下含义：解码(Decode)所述目标搜索空间中的每个PDCCH备选(Candidate)并通过经过RNTI(Radio Network Temporary Identity，无线网络临时标识)加扰的CRC校验是否通过来确定在所述目标搜索空间中的是否存在一个PDCCH备选(Candidate)被用于携带所述第一信令。
作为一个实施例，上述句子“在目标搜索空间中监测第一信令”包括以下含义：解码(Decode)所述目标搜索空间中的每个PSCCH备选(Candidate)并通过经过RNTI(Radio Network Temporary Identity，无线网络临时标识)加扰的CRC校验是否通过来确定在所述目标搜索空间中的是否存在一个PSCCH备选(Candidate)被用于携带所述第一信令。
作为一个实施例，第二比特序列经过信道编码被用于生成所述第一信令，所述第一信令的负载(Payload)是所述第二比特序列中的CRC比特之外的比特所组成的比特集合，所述第二比特序列包括正整数个比特。
作为一个实施例，所述第一信令的负载(Payload)是生成所述第一信令的DCI中所包括的比特所组成的比特集合。
作为一个实施例，所述第一信令的负载(Payload)是所述第一信令所携带的在物理层生成的比特中的CRC比特之外的比特所组成的比特集合。
作为一个实施例，所述第一信令的负载(Payload)是所述第一信令中被用于计算物理层CRC校验比特的比特所组成的比特集合。
作为一个实施例，所述第一信令的负载(Payload)是所述第一信令所携带的信息比特，或者所述第一信令的负载(Payload)是所述第一信令所携带的信息比特经过填充比特添加(Padding bits)或者比特删减(Truncation)之后的比特。
作为一个实施例，所述第一信令的负载(Payload)是所述第一信令所采用的DCI格式(Format)中的所有的域(Field)中的比特和填充比特(当存在填充比特)。
作为一个实施例，所述第一信令的负载的负载尺寸(payload size)是指：所述第一信令的负载中所包括的比特的数量。
作为一个实施例，所述第一信令的负载的负载尺寸(payload size)是指：所述第一信令的负载中所包括的比特的比特宽度(bit width)。
作为一个实施例，所述目标负载尺寸是正整数。
作为一个实施例，当所述X大于1时，所述X个负载尺寸中的任意两个负载尺寸不相等。
作为一个实施例，当所述X大于1时，所述X个负载尺寸中存在两个负载尺寸相等。
作为一个实施例，所述X个负载尺寸中的任意一个负载尺寸不小于12。
作为一个实施例，所述X个负载尺寸中的任意一个负载尺寸大于12。
作为一个实施例，所述X个负载尺寸中的存在一个负载尺寸等于12。
作为一个实施例，所述X个负载尺寸中的任意一个负载尺寸是采用一个DCI格式(Format)的DCI的负载尺寸(payload size)。
作为一个实施例，所述X个负载尺寸中存在一个负载尺寸是一个DCI格式经过添加填充比特(Padding Bits)之后得到的负载的负载尺寸。
作为一个实施例，所述X个负载尺寸中存在一个负载尺寸是一个DCI格式经过比特删减(Truncation)之后得到的负载的负载尺寸。
作为一个实施例，所述X个负载尺寸中任一一个负载尺寸是采用一个DCI格式(Format)的没有添加填充比特(Padding Bits)的DCI的负载尺寸。
作为一个实施例，所述X个负载尺寸中存在一个负载尺寸等于DCI Format 1-0的负载尺寸(Payload Size)。
作为一个实施例，所述X个负载尺寸是在所述目标搜索空间中经过DCI尺寸对齐(DCI Size Alignment)之后得到的X个负载尺寸。
作为一个实施例，所述X个负载尺寸是在所述目标搜索空间中经过3GPP TS 38.212(v15.6.0)中7.3.1.0章节中的DCI尺寸对齐(DCI Size Alignment)之后得到的X个负载尺寸。
作为一个实施例，所述X等于1，所述X个负载尺寸等于DCI Format 1-0的负载尺寸。
作为一个实施例，所述X等于2，所述X个负载尺寸分别等于DCI Format 1-1和DCI Format 0-1的负载尺寸。
作为一个实施例，所述X等于2，所述X个负载尺寸分别等于DCI Format 1-0和DCI Format 2-0的负载尺寸。
作为一个实施例，所述X等于2，所述X个负载尺寸分别等于DCI Format 1-0和DCI Format 2-1的负载尺寸。
作为一个实施例，所述X等于2，所述X个负载尺寸分别等于DCI Format 1-0和DCI Format 1-1的负载尺寸。
作为一个实施例，所述X等于2，所述X个负载尺寸分别等于DCI Format 1-0和DCI Format 0-1的负载尺寸。
作为一个实施例，所述X等于2，所述X个负载尺寸分别等于DCI Format 1-1和DCI Format 0-1的负载尺寸。
作为一个实施例，所述X等于3，所述X个负载尺寸分别等于DCI Format 1-0，DCI Format 2-0和DCI Format 2-1的负载尺寸。
作为一个实施例，所述X等于3，所述X个负载尺寸分别等于DCI Format 1-0，DCI Format 0-1和DCI Format 1-1的负载尺寸。
作为一个实施例，所述X大于1。
作为一个实施例，所述X等于1、2、3或4中之一。
作为一个实施例，上述句子“所述目标搜索空间被用于确定X个负载尺寸”包括以下含义：所述目标搜索空间被本申请中的所述第一通信节点设备用于确定所述X个负载尺寸。
作为一个实施例，上述句子“所述目标搜索空间被用于确定X个负载尺寸”包括以下含义：所述目标搜索空间的类型被用于确定所述X个负载尺寸。
作为一个实施例，上述句子“所述目标搜索空间被用于确定X个负载尺寸”包括以下含义：所述目标搜索空间是公共搜索空间(CSS)还是用户设备特定搜索空间(USS)被用于确定所述X个负载尺寸。
作为一个实施例，上述句子“所述目标搜索空间被用于确定X个负载尺寸”包括以下含 义：所述X个负载尺寸和所述目标搜索空间是公共搜索空间(CSS)还是用户设备特定搜索空间(USS)有关。
作为一个实施例，上述句子“所述目标搜索空间被用于确定X个负载尺寸”包括以下含义：所述X个负载尺寸中的任意一个负载尺寸是目标负载尺寸集合中的一个负载尺寸，所述目标搜索空间被用于从所述目标负载尺寸集合中确定所述X个负载尺寸，所述目标负载尺寸集合是可配置的，或者所述目标负载尺寸集合是预定义的。
作为一个实施例，上述句子“所述目标搜索空间被用于确定X个负载尺寸”包括以下含义：当所述目标搜索空间是公共搜索空间(CSS)并且所述X等于1时，所述X个负载尺寸等于DCI Format 1-0的负载尺寸；当所述目标搜索空间是公共搜索空间(CSS)并且所述X等于2时，所述X个负载尺寸分别等于DCI Format 1-0和DCI Format 2-0的负载尺寸，或者所述X个负载尺寸分别等于DCI Format 1-0和DCI Format 2-1的负载尺寸；当所述目标搜索空间是公共搜索空间(CSS)并且所述X等于3时，所述X个负载尺寸分别等于DCI Format 1-0，DCI Format 2-0和DCI Format 2-1的负载尺寸；当所述目标搜索空间是用户设备特定搜索空间(USS)并且所述X等于1时，所述X个负载尺寸等于DCI Format 1-0的负载尺寸；当所述目标搜索空间是用户设备特定搜索空间(USS)并且所述X等于2时，所述X个负载尺寸分别等于DCI Format 1-0和DCI Format 1-1的负载尺寸，或者所述X个负载尺寸分别等于DCI Format 1-0和DCI Format 0-1的负载尺寸，或者所述X个负载尺寸分别等于DCI Format 1-1和DCI Format 0-1的负载尺寸；当所述目标搜索空间是用户设备特定搜索空间(USS)并且所述X等于3时，所述X个负载尺寸分别等于DCI Format 1-0，DCI Format 0-1和DCI Format 1-1的负载尺寸。
作为一个实施例，上述句子“所述目标搜索空间被用于确定X个负载尺寸”包括以下含义：所述目标搜索空间是公共搜索空间(CSS)或者用户设备特定搜索空间(USS)，所述目标搜索空间通过3GPP TS 38.212(v15.6.0)中7.3.1.0章节中DCI尺寸对齐(DCI Size Alignment)确定所述X个负载尺寸。
作为一个实施例，上述句子“当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸”包括以下含义：当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸等于所述第一负载尺寸时，所述目标负载尺寸等于所述第一负载尺寸；当所述X大于1并且所述X个负载尺寸中任意一个负载尺寸和所述第一负载尺寸不相等并且所述X个负载尺寸中存在一个负载尺寸大于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的大于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸。
作为一个实施例，上述句子“当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸”包括以下含义：当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸等于所述第一负载尺寸时，所述目标负载尺寸等于所述第一负载尺寸；当所述X大于1并且所述X个负载尺寸中任意一个负载尺寸和所述第一负载尺寸不相等并且所述X个负载尺寸中存在一个负载尺寸大于所述第一负载尺寸时，所述目标负载尺寸大于所述第一负载尺寸，所述目标负载尺寸等于所述X个负载尺寸中的大于所述第一负载尺寸的最小的负载尺寸。
作为一个实施例，上述句子“当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸”包括以下含义：当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸距离最近的负载尺寸。
作为一个实施例，当所述X个负载尺寸中存在一个负载尺寸等于所述第一负载尺寸时，所述目标负载尺寸等于所述第一负载尺寸。
作为一个实施例，上述句子“当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸”包括以下含义：当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，X1个负载尺寸中的每个负载尺寸都是所述X个负载尺寸中的不小于所述第一负载尺寸的负载尺寸，所述X1是不大于所述X的正整数，所述目标负载尺寸等于所述X1个负载尺寸中的最小的负载尺寸。
实施例2
实施例2示例了根据本申请的一个网络架构的示意图，如附图2所示。图2是说明了NR 5G，LTE(Long-Term Evolution，长期演进)及LTE-A(Long-Term Evolution Advanced，增强长期演进)系统网络架构200的图。NR 5G或LTE网络架构200可称为EPS(Evolved Packet System，演进分组系统)200。EPS 200可包括一个或一个以上UE(User Equipment，用户设备)201，NG-RAN(下一代无线接入网络)202，EPC(Evolved Packet Core，演进分组核心)/5G-CN(5G-Core Network,5G核心网)210，HSS(Home Subscriber Server，归属签约用户服务器)220和因特网服务230。EPS可与其它接入网络互连，但为了简单未展示这些实体/接口。如图所示，EPS提供包交换服务，然而所属领域的技术人员将容易了解，贯穿本申请呈现的各种概念可扩展到提供电路交换服务的网络或其它蜂窝网络。NG-RAN包括NR节点B(gNB)203和其它gNB204。gNB203提供朝向UE201的用户和控制平面协议终止。gNB203可经由Xn接口(例如，回程)连接到其它gNB204。gNB203也可称为基站、基站收发台、无线电基站、无线电收发器、收发器功能、基本服务集合(BSS)、扩展服务集合(ESS)、TRP(发送接收节点)或某种其它合适术语，在V2X网络中，gNB203可以是基站，通过卫星中继的地面基站或者路边单元(RSU，Road Side Unit)等。gNB203为UE201提供对EPC/5G-CN210的接入点。UE201的实例包括蜂窝式电话、智能电话、会话起始协议(SIP)电话、膝上型计算机、个人数字助理(PDA)、卫星无线电、全球定位系统、多媒体装置、视频装置、数字音频播放器(例如，MP3播放器)、相机、游戏控制台、无人机、飞行器、窄带物联网设备、机器类型通信设备、陆地交通工具、汽车、汽车中的通信单元，可穿戴设备，或任何其它类似功能装置。所属领域的技术人员也可将UE201称为移动台、订户台、移动单元、订户单元、无线单元、远程单元、移动装置、无线装置、无线通信装置、远程装置、移动订户台、接入终端、移动终端、无线终端、远程终端、手持机、用户代理、移动客户端、客户端、汽车终端，车联网设备或某个其它合适术语。gNB203通过S1/NG接口连接到EPC/5G-CN210。EPC/5G-CN210包括MME/AMF/UPF 211、其它MME/AMF/UPF214、S-GW(Service Gateway，服务网关)212以及P-GW(Packet Date Network Gateway，分组数据网络网关)213。MME/AMF/UPF211是处理UE201与EPC/5G-CN210之间的信令的控制节点。大体上，MME/AMF/UPF211提供承载和连接管理。所有用户IP(Internet Protocal，因特网协议)包是通过S-GW212传送，S-GW212自身连接到P-GW213。P-GW213提供UE IP地址分配以及其它功能。P-GW213连接到因特网服务230。因特网服务230包括运营商对应因特网协议服务，具体可包括因特网、内联网、IMS(IP Multimedia Subsystem，IP多媒体子系统)和PS(Packet Switching，包交换)串流服务。
作为一个实施例，所述UE201对应本申请中的所述第一通信节点设备。
作为一个实施例，所述UE201支持在伴随链路中的传输。
作为一个实施例，所述UE201支持PC5接口。
作为一个实施例，所述UE201支持车联网。
作为一个实施例，所述UE201支持V2X业务。
作为一个实施例，所述UE201支持R15版本之后引入的新的DCI格式(Format)。
作为一个实施例，所述gNB203对应本申请中的所述第二通信节点设备。
作为一个实施例，所述gNB203支持在伴随链路中的传输。
作为一个实施例，所述gNB203支持PC5接口。
作为一个实施例，所述gNB203支持车联网。
作为一个实施例，所述gNB203支持V2X业务。
作为一个实施例，所述gNB203支持R15版本之后引入的新的DCI格式(Format)。
实施例3
实施例3示出了根据本申请的一个用户平面和控制平面的无线协议架构的实施例的示意图，如附图3所示。图3是说明用于用户平面350和控制平面300的无线电协议架构的实施例的示意图，图3用三个层展示用于第一通信节点设备(UE，gNB或V2X中的车载设备或车载通信模块)和第二通信节点设备(gNB，UE或V2X中的车载设备或车载通信模块)，或者两个UE之间的控制平面300的无线电协议架构：层1、层2和层3。层1(L1层)是最低层且实施各种PHY(物理层)信号处理功能。L1层在本文将称为PHY301。层2(L2层)305在PHY301之上，且负责通过PHY301在第一通信节点设备与第二通信节点设备之间的链路。L2层305包括MAC(Medium Access Control，媒体接入控制)子层302、RLC(Radio Link Control，无线链路层控制协议)子层303和PDCP(Packet Data Convergence Protocol，分组数据汇聚协议)子层304，这些子层终止于第二通信节点设备处。PDCP子层304提供不同无线电承载与逻辑信道之间的多路复用。PDCP子层304还提供通过加密数据包而提供安全性，以及提供第二通信节点设备之间的对第一通信节点设备的越区移动支持。RLC子层303提供上部层数据包的分段和重组装，丢失数据包的重新发射以及数据包的重排序以补偿由于HARQ造成的无序接收。MAC子层302提供逻辑与传输信道之间的多路复用。MAC子层302还负责在第一通信节点设备之间分配一个小区中的各种无线电资源(例如，资源块)。MAC子层302还负责HARQ操作。控制平面300中的层3(L3层)中的RRC(Radio Resource Control，无线电资源控制)子层306负责获得无线电资源(即，无线电承载)且使用第二通信节点设备与第一通信节点设备之间的RRC信令来配置下部层。用户平面350的无线电协议架构包括层1(L1层)和层2(L2层)，在用户平面350中用于第一通信节点设备和第二通信节点设备的无线电协议架构对于物理层351，L2层355中的PDCP子层354，L2层355中的RLC子层353和L2层355中的MAC子层352来说和控制平面300中的对应层和子层大体上相同，但PDCP子层354还提供用于上部层数据包的标头压缩以减少无线电发射开销。用户平面350中的L2层355中还包括SDAP(Service Data Adaptation Protocol，服务数据适配协议)子层356，SDAP子层356负责QoS流和数据无线承载(DRB，Data Radio Bearer)之间的映射，以支持业务的多样性。虽然未图示，但第一通信节点设备可具有在L2层355之上的若干上部层，包括终止于网络侧上的P-GW处的网络层(例如，IP层)和终止于连接的另一端(例如，远端UE、服务器等等)处的应用层。
作为一个实施例，附图3中的无线协议架构适用于本申请中的所述第一通信节点设备。
作为一个实施例，附图3中的无线协议架构适用于本申请中的所述第二通信节点设备。
作为一个实施例，本申请中的所述第一信息生成于所述RRC306。
作为一个实施例，本申请中的所述第一信息生成于所述MAC302或者MAC352。
作为一个实施例，本申请中的所述第一信息生成于所述PHY301或者PHY351。
作为一个实施例，本申请中的所述第一信令生成于所述RRC306。
作为一个实施例，本申请中的所述第一信令生成于所述MAC302或者MAC352。
作为一个实施例，本申请中的所述第一信令生成于所述PHY301或者PHY351。
作为一个实施例，本申请中的所述第二信息生成于所述RRC306。
作为一个实施例，本申请中的所述第二信息生成于所述MAC302或者MAC352。
作为一个实施例，本申请中的所述第二信息生成于所述PHY301或者PHY351。
作为一个实施例，本申请中的所述第一信号生成于所述RRC306。
作为一个实施例，本申请中的所述第一信号生成于所述MAC302或者MAC352。
作为一个实施例，本申请中的所述第一信号生成于所述PHY301或者PHY351。
实施例4
实施例4示出了根据本申请的一个第一通信节点设备和第二通信节点设备的示意图，如附图4所示。
在第一通信节点设备(450)中包括控制器/处理器490，数据源/缓存器480，接收处理器452，发射器/接收器456和发射处理器455，发射器/接收器456包括天线460。数据源/缓存器480提供上层包到控制器/处理器490，控制器/处理器490提供包头压缩解压缩、加密解密、包分段连接和重排序以及逻辑与传输信道之间的多路复用解复用，来实施用于用户平面和控制平面的L2层及以上层协议，上层包中可以包括数据或者控制信息，例如DL-SCH或UL-SCH或SL-SCH。发射处理器455实施用于L1层(即，物理层)的各种信号发射处理功能包括编码、交织、加扰、调制、功率控制/分配、预编码和物理层控制信令生成等。接收处理器452实施用于L1层(即，物理层)的各种信号接收处理功能包括解码、解交织、解扰、解调、解预编码和物理层控制信令提取等。发射器456用于将发射处理器455提供的基带信号转换成射频信号并经由天线460发射出去，接收器456用于通过天线460接收的射频信号转换成基带信号提供给接收处理器452。
在第二通信节点设备(410)中可以包括控制器/处理器440，数据源/缓存器430，接收处理器412，发射器/接收器416和发射处理器415，发射器/接收器416包括天线420。数据源/缓存器430提供上层包到达控制器/处理器440，控制器/处理器440提供包头压缩解压缩、加密解密、包分段连接和重排序以及逻辑与传输信道之间的多路复用解复用，来实施用于用户平面和控制平面的L2层协议。上层包中可以包括数据或者控制信息，例如DL-SCH或UL-SCH或SL-SCH。发射处理器415实施用于L1层(即，物理层)的各种信号发射处理功能包括编码、交织、加扰、调制、功率控制/分配、预编码和物理层信令(包括同步信号和参考信号等)生成等。接收处理器412实施用于L1层(即，物理层)的各种信号接收处理功能包括解码、解交织、解扰、解调、解预编码和物理层信令提取等。发射器416用于将发射处理器415提供的基带信号转换成射频信号并经由天线420发射出去，接收器416用于通过天线420接收的射频信号转换成基带信号提供给接收处理器412。
在DL(Downlink，下行)中，上层包，比如本申请中的第一信息，第二信息，第一信令(如果第一信令中包括高层信息)和第一信号(当所述第一信号是从第二通信节点设备传输到第一通信节点设备时)中所包括的高层信息提供到控制器/处理器440。控制器/处理器440实施L2层及以上层的功能。在DL中，控制器/处理器440提供包头压缩、加密、包分段和重排序、逻辑与输送信道之间的多路复用，以及基于各种优先级量度对第一通信节点设备450的无线电资源分配。控制器/处理器440还负责HARQ操作、丢失包的重新发射，和到第一通信节点设备450的信令，比如本申请中的第一信息，第二信息，第一信令(如果第一信令中包括高层信息)和第一信号(当所述第一信号是从第二通信节点设备传输到第一通信节点设备时)均在控制器/处理器440中生成。发射处理器415实施用于L1层(即，物理层)的各种信号处理功能，包括编码、交织、加扰、调制、功率控制/分配、预编码和物理层控制信令生成等，本申请中的第一信息，第二信息，第一信令和第一信号的物理层信号的生成在发射处理器415完成，生成的调制符号分成并行流并将每一流映射到相应的多载波子载波和/或多载波符号，然后由发射处理器415经由发射器416映射到天线420以射频信号的形式发射出去。在接收端，每一接收器456通过其相应天线460接收射频信号，每一接收器456恢复调制到射频载波上的基带信息，且将基带信息提供到接收处理器452。接收处理器452实施L1层的各种信号接收处理功能。信号接收处理功能包括对本申请中的第一信息，第二信息，第一信 令(如果第一信令中包括高层信息)和第一信号(当所述第一信号是从第二通信节点设备传输到第一通信节点设备时)的物理层信号的接收等，通过多载波符号流中的多载波符号进行基于各种调制方案(例如，二元相移键控(BPSK)、正交相移键控(QPSK))的解调，随后解扰，解码和解交织以恢复在物理信道上由第二通信节点设备410发射的数据或者控制，随后将数据和控制信号提供到控制器/处理器490。控制器/处理器490负责L2层及以上层，控制器/处理器490对本申请中的第一信息，第二信息，第一信令(如果第一信令中包括高层信息)和第一信号(当所述第一信号是从第二通信节点设备传输到第一通信节点设备时)进行解读。控制器/处理器可与存储程序代码和数据的存储器480相关联。存储器480可称为计算机可读媒体。
在上行(UL)传输中，数据源/缓存器480用来提供高层数据到控制器/处理器490。数据源/缓存器480表示L2层和L2层之上的所有协议层。控制器/处理器490通过基于第二通信节点410的无线电资源分配提供标头压缩、加密、包分段和重排序以及逻辑与传输信道之间的多路复用，来实施用于用户平面和控制平面的L2层协议。控制器/处理器490还负责HARQ操作、丢失包的重新发射，和到第二通信节点410的信令。本申请中的第一信号(当所述第一信号是从第一通信节点设备传输到第二通信节点设备时)在数据源/缓存器480生成或者在控制器/处理器490生成。发射处理器455实施用于L1层(即，物理层)的各种信号发射处理功能，本申请中的第一信号的物理层信号在发射处理器455生成。信号发射处理功能包括编码和交织以促进UE450处的前向错误校正(FEC)以及基于各种调制方案(例如，二元相移键控(BPSK)、正交相移键控(QPSK))对基带信号进行调制，将调制符号分成并行流并将每一流映射到相应的多载波子载波和/或多载波符号，然后由发射处理器455经由发射器456映射到天线460以射频信号的形式发射出去。接收器416通过其相应天线420接收射频信号，每一接收器416恢复调制到射频载波上的基带信息，且将基带信息提供到接收处理器412。接收处理器412实施用于L1层(即，物理层)的各种信号接收处理功能，包括接收处理本申请中的第一信号的物理层信号，信号接收处理功能包括获取多载波符号流，接着对多载波符号流中的多载波符号进行基于各种调制方案(例如，二元相移键控(BPSK)、正交相移键控(QPSK))的解调，随后解码和解交织以恢复在物理信道上由第一通信节点设备450原始发射的数据和/或控制信号。随后将数据和/或控制信号提供到控制器/处理器440。在控制器/处理器440实施L2层的功能，包括对本申请中的第一信号所携带的信息的解读。控制器/处理器可与存储程序代码和数据的缓存器430相关联。缓存器430可以为计算机可读媒体。
当进行伴随链路传输时，和上述的上行传输类似。
作为一个实施例，所述第一通信节点设备450装置包括：至少一个处理器以及至少一个存储器，所述至少一个存储器包括计算机程序代码；所述至少一个存储器和所述计算机程序代码被配置成与所述至少一个处理器一起使用，所述第一通信节点设备450装置至少：接收第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；在目标搜索空间中监测第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
作为一个实施例，所述第一通信节点设备450装置包括：一种存储计算机可读指令程序的存储器，所述计算机可读指令程序在由至少一个处理器执行时产生动作，所述动作包括：接收第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；在目标搜索空间中监测第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸； 其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
作为一个实施例，所述第二通信节点设备410装置包括：至少一个处理器以及至少一个存储器，所述至少一个存储器包括计算机程序代码；所述至少一个存储器和所述计算机程序代码被配置成与所述至少一个处理器一起使用。所述第二通信节点设备410装置至少：发送第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；在目标搜索空间中发送第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
作为一个实施例，所述第二通信节点设备410包括：一种存储计算机可读指令程序的存储器，所述计算机可读指令程序在由至少一个处理器执行时产生动作，所述动作包括：发送第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；在目标搜索空间中发送第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
作为一个实施例，所述第一通信节点设备450是一个用户设备(UE)。
作为一个实施例，所述第一通信节点设备450是一个支持V2X的用户设备。
作为一个实施例，所述第一通信节点设备450是一个支持R15之后引入的DCI格式的用户设备。
作为一个实施例，所述第一通信节点设备450是一个车载设备。
作为一个实施例，所述第二通信节点设备410是一个基站设备(gNB/eNB)。
作为一个实施例，所述第二通信节点设备410是一个支持V2X的基站设备。
作为一个实施例，所述第二通信节点设备410是一个支持R15之后引入的DCI格式的基站设备。
作为一个实施例，所述第二通信节点设备410是一个RSU(Road Side Unit，路边单元)设备。
作为一个实施例，接收器456(包括天线460)，接收处理器452和控制器/处理器490被用于本申请中接收所述第一信息。
作为一个实施例，接收器456(包括天线460)，接收处理器452和控制器/处理器490被用于本申请中在所述目标搜索空间中监测所述第一信令。
作为一个实施例，接收器456(包括天线460)和接收处理器452被用于本申请中在所述目标搜索空间中监测所述第一信令。
作为一个实施例，接收器456(包括天线460)，接收处理器452和控制器/处理器490被用于本申请中接收所述第二信息。
作为一个实施例，接收器456(包括天线460)，接收处理器452和控制器/处理器490被用于本申请中接收所述第一信号。
作为一个实施例，发射器456(包括天线460)，发射处理器455和控制器/处理器490被用于本申请中发送所述第一信号。
作为一个实施例，发射器416(包括天线420)，发射处理器415和控制器/处理器440被用于发送本申请中的所述第一信息。
作为一个实施例，发射器416(包括天线420)，发射处理器415和控制器/处理器440被用于发送本申请中的所述第一信令。
作为一个实施例，发射器416(包括天线420)和发射处理器415被用于发送本申请中的所述第一信令。
作为一个实施例，发射器416(包括天线420)，发射处理器415和控制器/处理器440被用于发送本申请中的所述第二信息。
作为一个实施例，发射器416(包括天线420)，发射处理器415和控制器/处理器440被用于发送本申请中的所述第一信号。
作为一个实施例，接收器416(包括天线420)，接收处理器412和控制器/处理器440被用于接收本申请中的所述第一信号。
实施例5
实施例5示例了根据本申请的一个实施例的信号传输流程图，如附图5所示。附图5中，第二通信节点N1是第一通信节点U2的服务小区的维持基站，特别说明的是本示例中的顺序并不限制本申请中的信号传输顺序和实施的顺序。
对于 第二通信节点N1，在步骤S11中发送第一信息，在步骤S12中发送第二信息，在步骤S13中在目标搜索空间中发送第一信令，在步骤S14中发送第一信号。
对于 第一通信节点U2，在步骤S21中接收第一信息，在步骤S22中接收第二信息，在步骤S23中在目标搜索空间中监测第一信令，在步骤S24中接收第一信号。
在实施例5中，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；所述第一信令的负载的负载尺寸等于目标负载尺寸；所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸；所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间；所述第一信令被用于确定所述第一信号所占用的时频资源。
作为一个实施例，所述第二信息通过空中接口传输。
作为一个实施例，所述第二信息通过无线接口传输。
作为一个实施例，所述第二信息通过PC5接口传输。
作为一个实施例，所述第二信息通过Uu接口传输。
作为一个实施例，所述第二信息通过伴随链路(Sidelink)传输。
作为一个实施例，所述第二信息通过基带(Baseband)信号携带。
作为一个实施例，所述第二信息通过射频(RF，Radio Frequency)信号携带。
作为一个实施例，所述第二信息是在所述第一通信节点设备内部传递的。
作为一个实施例，所述第二信息包括高层信息，所述第二信息从所述第一通信节点设备的高层传递到所述第一通信节点设备的物理层。
作为一个实施例，所述第二信息是预配置的(Pre-configured)。
作为一个实施例，所述第二信息包括一个预配置的(Preconfigured)RRC(Radio Resource Control，无线资源控制)IE(Information Element，信息单元)中的全部或部分。
作为一个实施例，所述第二信息包括物理层信息。
作为一个实施例，所述第二信息包括动态信息。
作为一个实施例，所述第二信息是半静态信息。
作为一个实施例，所述第二信息包括SIB(System Information Block，系统信息块)中的全部或部分信息。
作为一个实施例，所述第二信息包括MIB(Master Information Block，主信息块)中的全部或部分信息。
作为一个实施例，所述第二信息包括一个RRC(Radio Resource Control，无线资源控制)信令中的全部或部分。
作为一个实施例，所述第二信息是小区特有的(Cell Specific/Cell Common)。
作为一个实施例，所述第二信息是用户特有的(UE Specific/Dedicated)。
作为一个实施例，所述第二信息是地理区域特有的(Zone-Specific)。
作为一个实施例，所述第二信息是广播的。
作为一个实施例，所述第二信息是单播的。
作为一个实施例，所述第二信息包括一个DCI(Downlink Control Information，下行控制信息)中的全部或部分域(Field)。
作为一个实施例，所述第二信息通过DL-SCH(Downlink Shared Channel，下行共享信道)传输的。
作为一个实施例，所述第第二信息通过PDSCH(Physical Downlink Shared Channel，物理下行共享信道)传输的。
作为一个实施例，所述第二信息通过SL-SCH(Sidelink Shared Channel，伴随链路共享信道)传输的。
作为一个实施例，所述第二信息通过PSSCH(Physical Sidelink Shared Channel，物理伴随链路共享信道)传输的。
作为一个实施例，所述第二信息通过PDCCH(Physical Downlink Control Channel，物理下行控制信道)传输的。
作为一个实施例，所述目标搜索空间是公共搜索空间是指：所述目标搜索空间是PDCCH公共搜索空间(CSS)。
作为一个实施例，所述目标搜索空间是公共搜索空间是指：所述目标搜索空间是一个PDCCH公共搜索空间(CSS)集合(set)。
作为一个实施例，所述目标搜索空间是公共搜索空间是指：所述目标搜索空间是PSCCH公共搜索空间(CSS)集合(Set)。
作为一个实施例，所述目标搜索空间是用户设备特定搜索空间是指：所述目标搜索空间是PDCCH用户设备特定搜索空间(USS)。
作为一个实施例，所述目标搜索空间是用户设备特定搜索空间是指：所述目标搜索空间是PDCCH用户设备特定搜索空间(USS)集合(Set)。
作为一个实施例，所述目标搜索空间是用户设备特定搜索空间是指：所述目标搜索空间是PSCCH用户设备特定搜索空间(USS)。
作为一个实施例，上述句子“所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间”包括以下含义：所述第二信息被本申请中的所述第一通信节点设备用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间。
作为一个实施例，上述句子“所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间”包括以下含义：所述第二信息直接指示所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间。
作为一个实施例，上述句子“所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间”包括以下含义：所述第二信息间接指示所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间。
作为一个实施例，上述句子“所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间”包括以下含义：所述第二信息显式地指示所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间。
作为一个实施例，上述句子“所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间”包括以下含义：所述第二信息隐式地指示所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间。
作为一个实施例，上述句子“所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间”包括以下含义：所述第二信息指示Q个搜索空间集合(Search Space Set)，所述Q是正整数，所述目标搜索空间是所述Q个搜索空间集合中的一个搜索空间集合；所述第二信息指示所述Q个搜索空间集合中的每个搜索空间集合是公共搜索空间还是用户设备特定搜索空间。
作为一个实施例，所述第一信号是基带信号。
作为一个实施例，所述第一信号是射频信号。
作为一个实施例，所述第一信号通过空中接口传输。
作为一个实施例，所述第一信号通过无线接口传输。
作为一个实施例，所述第一信号通过Uu接口传输。
作为一个实施例，所述第一信号是通过DL-SCH(Downlink Shared Channel，下行共享信道)传输。
作为一个实施例，所述第一信号是通过PDSCH(Physical Downlink Shared Channel，物理下行共享信道)传输。
作为一个实施例，一个传输块(TB，Transport Block)的全部或部分被用于生成所述第一信号。
作为一个实施例，一个比特块的全部或部分被用于生成所述第一信号。
作为一个实施例，一个特征序列的全部或部分被用于生成所述第一信号。
作为一个实施例，上述句子“所述第一信令被检测到”包括以下含义：所述第一信令在信道译码后的CRC(Cyclic Redundancy Check，循环冗余校验)校验通过了。
作为一个实施例，上述句子“所述第一信令被检测到”包括以下含义：所述第一信令在信道译码后的CRC(Cyclic Redundancy Check，循环冗余校验)使用所述第一信令的目标接收者的特征标识加扰的CRC(Cyclic Redundancy Check，循环冗余校验)校验通过了。
作为一个实施例，上述句子“所述第一信令被检测到”包括以下含义：所述第一信令在信道译码后的CRC(Cyclic Redundancy Check，循环冗余校验)使用本申请中的所述第一通信节点设备的RNTI加扰的CRC(Cyclic Redundancy Check，循环冗余校验)校验通过了。
作为一个实施例，上述句子“所述第一信令被检测到”包括以下含义：所述第一信令在信道译码后的CRC(Cyclic Redundancy Check，循环冗余校验)使用本申请中的所述第一通信节点设备的ID加扰的CRC(Cyclic Redundancy Check，循环冗余校验)校验通过了。
作为一个实施例，上述句子“所述第一信令被用于确定所述第一信号所占用的时频资源”包括以下含义：所述第一信令被本申请中的所述第一通信节点设备用于确定所述第一信号所占用的时频资源。
作为一个实施例，上述句子“所述第一信令被用于确定所述第一信号所占用的时频资源”包括以下含义：所述第一信令被用于直接指示所述第一信号所占用的时频资源。
作为一个实施例，上述句子“所述第一信令被用于确定所述第一信号所占用的时频资源”包括以下含义：所述第一信令被用于间接指示所述第一信号所占用的时频资源。
作为一个实施例，上述句子“所述第一信令被用于确定所述第一信号所占用的时频资源”包括以下含义：所述第一信令被用于显式地指示所述第一信号所占用的时频资源。
作为一个实施例，上述句子“所述第一信令被用于确定所述第一信号所占用的时频资源”包括以下含义：所述第一信令被用于隐式地指示所述第一信号所占用的时频资源。
作为一个实施例，上述句子“所述第一信令被用于确定所述第一信号所占用的时频资源”包括以下含义：所述第一信令被用于指示目标时频资源池，所述第一信号所占用的时频资源属于所述目标时频资源池。
作为一个实施例，所述第一信令还被用于确定所述第一信号所采用的调制编码方式(MCS，Modulation Coding Scheme)。
作为一个实施例，所述第一信令还被用于确定所述第一信号所采用的冗余版本(RV，Redundancy Version)。
作为一个实施例，所述第一信令还被用于确定所述第一信号所属于的HARQ进程(HARQ Process)。
作为一个实施例，所述第一信令还被用于确定所述第一信号的目标接收者的特征标识。
作为一个实施例，所述第一信令还被用于确定所述第一信号是广播的(Broadcast)、组播的(Groupcast)还是单播的(Unicast)。
作为一个实施例，所述第一信令还被用于确定所述第一信号的QoS(Quality of Service)指示(Indicator)。
作为一个实施例，当本申请中的所述操作是发送时，本申请中的所述执行是接收；当本申请中的所述操作是接收时，本申请中的所述执行是发送。
实施例6
实施例6示例了根据本申请的另一个实施例的无线信号传输流程图，如附图6所示。在附图6中，第二通信节点N3是第一通信节点U4的服务小区的维持基站，特别说明的是本示例中的顺序并不限制本申请中的信号传输顺序和实施的顺序。
对于 第二通信节点N3，在步骤S31中发送第一信息，在步骤S32中发送第二信息，在步骤S33中在目标搜索空间中发送第一信令。
对于 第一通信节点U4，在步骤S41中接收第一信息，在步骤S42中接收第二信息，在步骤S43中在目标搜索空间中监测第一信令，在步骤S44中发送第一信号。
在实施例6中，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；所述第一信令的负载的负载尺寸等于目标负载尺寸；所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸；所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间；所述第一信令被用于确定所述第一信号所占用的时频资源。
作为一个实施例，所述第一信号通过PC5接口传输。
作为一个实施例，所述第一信号通过伴随链路(Sidelink)传输。
作为一个实施例，所述第一信号是通过SL-SCH(Sidelink Shared Channel，伴随链路共享信道)传输。
作为一个实施例，所述第一信号是通过PSSCH(Physical Sidelink Shared Channel，物理伴随链路共享信道)传输。
作为一个实施例，所述第一信号是通过PSCCH(Physical Sidelink Control Channel，物理伴随链路控制信道)传输。
作为一个实施例，所述第一信号是通过PSFCH(Physical Sidelink Feedback Channel，物理伴随链路反馈信道)传输。
作为一个实施例，所述第一信令还被用于确定所述第一信号的目标接收者的特征标识。
作为一个实施例，所述第一信令还被用于确定所述第一信号是广播的(Broadcast)、组播的(Groupcast)还是单播的(Unicast)。
作为一个实施例，所述第一信令还被用于确定所述第一信号的QoS(Quality of Service)指示(Indicator)。
实施例7
实施例7示例了根据本申请的另一个实施例的无线信号传输流程图，如附图7所示。在附图7中，第二通信节点N5是第一通信节点U6的服务小区的维持基站，特别说明的是本示例中的顺序并不限制本申请中的信号传输顺序和实施的顺序。
对于 第二通信节点N5，在步骤S51中发送第一信息，在步骤S52中发送第二信息，在步骤S53中在目标搜索空间中发送第一信令，在步骤S54中接收第一信号。
对于 第一通信节点U6，在步骤S61中接收第一信息，在步骤S62中接收第二信息，在步骤S63中在目标搜索空间中监测第一信令，在步骤S64中发送第一信号。
在实施例7中，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；所述第一信令的负载的负载尺寸等于目标负载尺寸；所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸；所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间；所述第一信令被用于确定所述第一信号所占用的时频资源。
作为一个实施例，所述第一信号是通过UL-SCH(Uplink Shared Channel，上行共享信道)传输。
作为一个实施例，所述第一信号是通过PUSCH(Physical Uplink Shared Channel，物理上行共享信道)传输。
实施例8
实施例8示例了根据本申请的一个实施例的目标负载尺寸和第一控制信息格式的关系的示意图，如附图8所示。在附图8中，在情况A中，第一负载尺寸大于采用第一控制信息格式的控制信息的负载尺寸；在情况B中，在情况A中，第一负载尺寸大于采用第一控制信息格式的控制信息的负载尺寸。
在实施例8中，本申请中的所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；本申请中的所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间；当所述目标搜索空间是公共搜索空间时，本申请中的所述X等于1并且本申请中的所述目标负载尺寸等于采用第一控制信息格式的控制信息的负载尺寸，采用所述第一控制信息格式的控制信息可以被用于在公共搜索空 间中调度物理下行共享信道。
作为一个实施例，所述第一控制信息格式是DCI Format 1-0。
作为一个实施例，所述第一控制信息格式是在公共搜索空间(CSS)中的DCI Format 1-0。
作为一个实施例，所述第一控制信息格式是DCI Format 0-0。
作为一个实施例，所述第一控制信息格式是在公共搜索空间(CSS)中的DCI Format 0-0。
作为一个实施例，所述第一控制信息格式是经过添加填充比特(Padding Bits)之后的DCI Format 0-0。
作为一个实施例，所述第一控制信息格式是经过比特删减(Truncation)之后的DCI Format0-0。
作为一个实施例，采用所述第一控制信息格式的控制信息的负载尺寸等于根据CORESET0(Control Resource Set 0，控制资源集合0)或者初始下行带宽部分(Initial Downlink Bandwidth Part)得到的采用DCI Format 1-0的控制信息的负载尺寸(Payload Size)。
作为一个实施例，上述句子“采用所述第一控制信息格式的控制信息可以被用于在公共搜索空间中调度物理下行共享信道”包括以下含义：采用所述第一控制信息格式的控制信息包括物理下行共享信道(PDSCH，Physical Downlink Shared Channel)的调度(Scheduling)信息，采用所述第一控制信息格式的所述控制信息在公共搜索空间中译码成功。
作为一个实施例，上述句子“采用所述第一控制信息格式的控制信息可以被用于在公共搜索空间中调度物理下行共享信道”包括以下含义：采用所述第一控制信息格式的控制信息可以被用于调度携带寻呼(Paging)信息的物理下行共享信道。
作为一个实施例，上述句子“采用所述第一控制信息格式的控制信息可以被用于在公共搜索空间中调度物理下行共享信道”包括以下含义：采用所述第一控制信息格式的控制信息可以被用于调度携带随机接入响应(RAR，Random Access Response)信息的物理下行共享信道。
作为一个实施例，上述句子“采用所述第一控制信息格式的控制信息可以被用于在公共搜索空间中调度物理下行共享信道”包括以下含义：采用所述第一控制信息格式的控制信息可以被用于调度携带系统消息块(SIB，System Information Block)的物理下行共享信道。
作为一个实施例，所述物理下行共享信道(PDSCH)是单播的(Unicast)。
作为一个实施例，所述物理下行共享信道(PDSCH)是广播的(Broadcast)。
作为一个实施例，所述物理下行共享信道(PDSCH)是组播的(Groupcast)。
作为一个实施例，所述物理下行共享信道(PDSCH)是用户设备特定的(UE-Specific)。
作为一个实施例，所述物理下行共享信道(PDSCH)是小区特定的(Cell-Specific)。
作为一个实施例，所述物理下行共享信道(PDSCH)是用户设备组特定的(UE Group-Specific)。
实施例9
实施例9示出了根据本申请的一个实施例的Y个控制信息格式和X个负载尺寸的关系的示意图，附图9所示。在附图9中，在上面的一排每个矩形代表Y个控制信息格式中的一个控制信息格式，在下面一排每个矩形代表X个负载尺寸中的一个负载尺寸。
在实施例9中，本申请中的所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；本申请中的所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间；当所述目标搜索空间是用户设备特定搜索空间时，所述第二信息还被用于确定Y个控制信息格式，所述Y是大于1的正整数；所述Y个控制信息格式被用于确定本申请中的所述X个负载尺寸。
作为一个实施例，所述Y等于2。
作为一个实施例，所述Y等于4。
作为一个实施例，所述Y等于2或4之外的正整数。
作为一个实施例，所述Y个控制信息格式中的任意两个控制信息格式不相同。
作为一个实施例，所述Y等于2，所述Y个控制信息格式分别是DCI Format 0-0和DCI Format 1-0。
作为一个实施例，所述Y等于2，所述Y个控制信息格式分别是DCI Format 0-1和DCI Format 1-1。
作为一个实施例，所述Y等于2，所述Y个控制信息格式分别是DCI Format 0-0和DCI Format 1-0，或者所述Y个控制信息格式分别是DCI Format 0-1和DCI Format 1-1。
作为一个实施例，所述Y等于4，所述Y个控制信息格式分别是DCI Format 0-0、DCI Format 1-0、DCI Format 0-1和DCI Format 1-1。
作为一个实施例，所述Y不小于所述X。
作为一个实施例，上述句子“所述第二信息还被用于确定Y个控制信息格式”包括以下含义：所述第二信息还被本申请中的所述第一通信节点设备用于确定所述Y个控制信息格式。
作为一个实施例，上述句子“所述第二信息还被用于确定Y个控制信息格式”包括以下含义：所述第二信息直接指示所述Y个控制信息格式。
作为一个实施例，上述句子“所述第二信息还被用于确定Y个控制信息格式”包括以下含义：所述第二信息间接指示所述Y个控制信息格式。
作为一个实施例，上述句子“所述第二信息还被用于确定Y个控制信息格式”包括以下含义：所述第二信息显式地指示所述Y个控制信息格式。
作为一个实施例，上述句子“所述第二信息还被用于确定Y个控制信息格式”包括以下含义：所述第二信息隐式地指示所述Y个控制信息格式。
作为一个实施例，上述句子“所述第二信息还被用于确定Y个控制信息格式”包括以下含义：所述第二信息指示P个用户设备特定搜索空间集合(USS Set)，所述P是正整数，所述第二信息为所述P个用户设备特定搜索空间集合中的每个用户设备特定搜索空间集合指示了正整数个控制信息格式，为所述P个用户设备特定搜索空间中的每个用户设备特定搜索空间所指示的每个控制信息格式是所述Y个控制信息格式中的一个控制信息格式；所述目标搜索空间是所述P个用户设备特定搜索空间集合中的一个用户设备特定搜索空间集合。
作为一个实施例，上述句子“所述第二信息还被用于确定Y个控制信息格式”包括以下含义：所述第二信息指示P个用户设备特定搜索空间集合(USS Set)，所述P是正整数，所述第二信息为所述P个用户设备特定搜索空间集合中的每个用户设备特定搜索空间集合指示了正整数个控制信息格式，为所述P个用户设备特定搜索空间所指示的控制信息格式一起组成了所述Y个控制信息格式；所述目标搜索空间是所述P个用户设备特定搜索空间集合中的一个用户设备特定搜索空间集合。
作为一个实施例，所述第二信息包括高层信息“SearchSpace”IE(Information Element，信息元素)。
作为一个实施例，所述第二信息包括高层信息“searchSpacesToAddModList”IE(Information Element，信息元素)。
作为一个实施例，上述句子“所述Y个控制信息格式被用于确定所述X个负载尺寸”包括以下含义：所述Y个控制信息格式被本申请中的所述第一通信节点设备用于确定所述X个负载尺寸。
作为一个实施例，上述句子“所述Y个控制信息格式被用于确定所述X个负载尺寸”包括以下含义：所述Y个控制信息格式被本申请中的所述第一通信节点设备根据3GPP TS 38.212(v15.6.0)中7.3.1.0章节中DCI尺寸对齐(DCI Size Alignment)确定所述X个负载尺寸。
作为一个实施例，上述句子“所述Y个控制信息格式被用于确定所述X个负载尺寸”包括以下含义：所述Y个控制信息格式被本申请中的所述第一通信节点设备根据DCI尺寸对齐(DCI Size Alignment)确定所述X个负载尺寸。
作为一个实施例，上述句子“所述Y个控制信息格式被用于确定所述X个负载尺寸”包括以下含义：所述Y个控制信息格式按照DCI Format 0-0和DCI Format 1-0的负载尺寸相等、DCI Format 0-0和DCI Format 0-1的负载尺寸不相等、DCI Format 1-0和DCI Format1-1的负载尺寸不相等的原则确定所述X个负载尺寸。
作为一个实施例，上述句子“所述Y个控制信息格式被用于确定所述X个负载尺寸”包括以下含义：所述Y个控制信息格式按照在用户设备特定搜索空间中的不同控制信息格式的负载尺寸对齐的原则确定所述X个负载尺寸。
作为一个实施例，上述句子“所述Y个控制信息格式被用于确定所述X个负载尺寸”包括以下含义：所述Y个控制信息格式根据映射规则确定所述X个负载尺寸。
实施例10
实施例10示例了根据本申请的一个实施例的第一负载尺寸和目标负载尺寸之前的关系的示意图，如附图10所示。在附图10中，横轴代表负载尺寸，第一负载尺寸所标识的矩形代表第一比特序列，目标负载尺寸所标识的矩形代表第一信令的负载；在情况A中，目标负载尺寸大于第一负载尺寸，斜线填充的矩形代表填充比特(Padding Bits)；在情况B中，目标负载尺寸小于第一负载尺寸，交叉线填充的矩形代表删减比特(Truncation Bits)。
在实施例10中，第一比特序列被用于生成本申请中的所述第一信令，本申请中的所述第一负载尺寸等于所述第一比特序列所包括的比特的数量；当本申请中的所述目标负载尺寸大于所述第一负载尺寸时，所述第一比特序列经过添加填充比特生成所述第一信令的负载，所述第一负载尺寸和所述第一信令的负载中所包括的填充比特的数量的和等于所述目标负载尺寸；当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列通过比特删减生成所述第一信令的负载，所述第一比特序列被删减的比特的数量等于所述第一负载尺寸和所述目标负载尺寸的差。
作为一个实施例，所述第一比特序列包括正整数个比特。
作为一个实施例，所述第一比特序列是所述第一信令所携带的信息比特(Information Bits)组成的。
作为一个实施例，所述第一比特序列是所述第一信令所携带的信息比特(Information Bits)经过添加填充比特(Padding Bits)得到的。
作为一个实施例，当所述第一信令所携带的信息比特(Information Bits)的数量小于12时，所述第一比特序列是所述第一信令所携带的信息比特(Information Bits)经过添加填充比特(Padding Bits)得到的；当所述第一信令所携带的信息比特(Information Bits)的数量不小于12时，所述第一比特序列是所述第一信令所携带的信息比特(Information Bits)组成的。
作为一个实施例，所述第一比特序列是所述第一信令所采用的DCI格式(Format)中的域中的比特按照顺序排列得到的。
作为一个实施例，上述句子“第一比特序列被用于生成所述第一信令”包括以下含义：所述第一比特序列依次经过填充比特(padding bits)添加，CRC附着(CRC Attachment)，信道编码(Channel Coding)，速率匹配(Rate Matching)，加扰(Scrambling)，调制(Modulation)，映射到物理资源(Mapping to Physical Resources)，OFDM基带信号生成(OFDM Baseband Signal Generation)得到所述第一信令。
作为一个实施例，上述句子“第一比特序列被用于生成所述第一信令”包括以下含义：所述第一比特序列依次经过填充比特(padding bits)添加，CRC附着(CRC Attachment)，信道编码(Channel Coding)，速率匹配(Rate Matching)，加扰(Scrambling)，调制(Modulation)，映射到物理资源(Mapping to Physical Resources)，OFDM基带信号生成(OFDM Baseband Signal Generation)，调制上变频(Modulation and Upconversion)得到所述第一信令。
作为一个实施例，上述句子“第一比特序列被用于生成所述第一信令”包括以下含义：所述第一比特序列依次经过CRC附着(CRC Attachment)，信道编码(Channel Coding)，速 率匹配(Rate Matching)，加扰(Scrambling)，调制(Modulation)，映射到物理资源(Mapping to Physical Resources)，OFDM基带信号生成(OFDM Baseband Signal Generation)得到所述第一信令。
作为一个实施例，上述句子“第一比特序列被用于生成所述第一信令”包括以下含义：所述第一比特序列依次经过CRC附着(CRC Attachment)，信道编码(Channel Coding)，速率匹配(Rate Matching)，加扰(Scrambling)，调制(Modulation)，映射到物理资源(Mapping to Physical Resources)，OFDM基带信号生成(OFDM Baseband Signal Generation)，调制上变频(Modulation and Upconversion)得到所述第一信令。
作为一个实施例，所述填充比特是‘0’比特。
作为一个实施例，所述添加填充比特是‘0’比特填充(Zero-Padding)。
作为一个实施例，上述句子“所述第一比特序列经过添加填充比特生成所述第一信令的负载”包括以下含义：所述第一比特序列经过添加填充比特直接生成所述第一信令的负载。
作为一个实施例，上述句子“所述第一比特序列经过添加填充比特生成所述第一信令的负载”包括以下含义：所述第一比特序列经过添加填充比特间接生成所述第一信令的负载。
作为一个实施例，所述第一信令的负载中所包括的每个填充比特都是‘0’比特。
作为一个实施例，所述第一信令的负载中所包括的填充比特的数量是W1，所述W1是正整数，所述第一信令的负载中所包括的填充比特占据了所述第一信令的负载中的最高位(MSB，Most Significant Bits)的W1个比特。
作为一个实施例，所述第一信令的负载中所包括的填充比特的数量是W1，所述W1是正整数，所述第一信令的负载中所包括的填充比特占据了所述第一信令的负载中的最低位(LSB，Least Significant Bits)的W1个比特。
作为一个实施例，所述第一信令的负载中所包括的填充比特的数量大于1时，所述第一信令的负载中所包括的填充比特离散地分布在所述第一信令的负载所包括的比特中。
作为一个实施例，所述第一信令的负载中所包括的填充比特的数量大于1时，所述第一信令的负载中所包括的填充比特集中地分布在所述第一信令的负载所包括的比特中。
作为一个实施例，上述句子“所述第一比特序列经过添加填充比特生成所述第一信令的负载，所述第一负载尺寸和所述第一信令的负载中所包括的填充比特的数量的和等于所述目标负载尺寸”包括以下含义：为所述第一比特序列添加填充比特(Padding Bit)直到总的比特数量等于等于所述目标负载尺寸。
作为一个实施例，当所述目标负载尺寸等于所述第一负载尺寸时，所述第一比特序列就是所述第一信令的负载。
作为一个实施例，上述句子“所述第一比特序列通过比特删减生成所述第一信令的负载”包括以下含义：所述第一比特序列通过比特删减直接生成所述第一信令的负载。
作为一个实施例，上述句子“所述第一比特序列通过比特删减生成所述第一信令的负载”包括以下含义：所述第一比特序列通过比特删减间接生成所述第一信令的负载。
作为一个实施例，所述第一比特序列被删减的比特都属于同一个DCI格式(Format)中的同一个域。
作为一个实施例，当所述第一比特序列被删减的比特的数量大于1时，存在两个所述第一比特序列被删减的比特属于同一个DCI格式(Format)中的两个不同的域。
作为一个实施例，所述第一比特序列被删减的比特的数量等于W2，所述W2是正整数，所述第一比特序列被删减的比特是所述第一比特序列的最高位(MSB，Most Significant Bits)的W2个比特。
作为一个实施例，所述第一比特序列被删减的比特的数量等于W2，所述W2是正整数，所述第一比特序列被删减的比特是所述第一比特序列的最低位(LSB，Least Significant Bits)的W2个比特。
作为一个实施例，所述第一比特序列被删减的比特的数量等于W2，所述W2是正整数， 所述第一比特序列被删减的比特是所述第一比特序列所采用的DCI格式(Format)中的一个域的最高位(MSB，Most Significant Bits)的W2个比特。
作为一个实施例，所述第一比特序列被删减的比特的数量等于W2，所述W2是正整数，所述第一比特序列被删减的比特是所述第一比特序列所采用的DCI格式中的一个域(Format)的最低位(LSB，Least Significant Bits)的W2个比特。
作为一个实施例，当所述第一比特序列被删减的比特的数量大于1时，所述第一比特序列被删减的比特离散分布在所述第一比特序列所包括的比特中。
作为一个实施例，当所述第一比特序列被删减的比特的数量大于1时，所述第一比特序列被删减的比特集中分布在所述第一比特序列所包括的比特中。
作为一个实施例，上述句子“当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列通过比特删减生成所述第一信令的负载，所述第一比特序列被删减的比特的数量等于所述第一负载尺寸和所述目标负载尺寸的差”包括以下含义：当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列通过比特删减知道比特数量等于所述目标负载尺寸。
实施例11
实施例11示例了根据本申请的一个实施例的M1个比特和第一域之间的关系的示意图，如附图11所示。在附图11中，每个粗线框的矩形代表第一比特序列中的一个域(Field)，在情况A中，斜线填充的矩形代表M1个比特；在情况B中，交叉线填充的矩形代表M1个比特；在情况A和情况B中，箭头方向代表从高位比特向地位比特的方向。
在实施例11中，当本申请中的所述目标负载尺寸小于本申请中的所述第一负载尺寸时，本申请中的所述第一比特序列被删减M个比特后生成本申请中的所述第一信令的负载，所述M个比特中包括M1个比特属于所述第一比特序列中的第一域，所述第一域被用于指示频域资源，所述M是正整数，所述M1是不大于所述M的正整数。
作为一个实施例，所述M1个比特按照在所述第一比特序列中的顺序排列，所述M1个比特是所述第一域中的M1个最高位比特(MSB，Most Significant Bits)。
作为一个实施例，所述M1个比特按照在所述第一比特序列中的顺序排列，所述M1个比特是所述第一域中的M1个最低位比特(LSB，Least Significant Bits)。
作为一个实施例，所述M1个比特按照在所述第一比特序列中的顺序排列，当所述M1大于1并且所述M大于所述M1时，所述M1个比特集中分布在所述M个比特中。
作为一个实施例，所述M1个比特按照在所述第一比特序列中的顺序排列，当所述M1大于1并且所述M大于所述M1时，所述M1个比特离散分布在所述M个比特中。
作为一个实施例，所述M1等于所述M。
作为一个实施例，所述M1小于所述M。
作为一个实施例，所述M1等于所述M，所述M1个比特就是所述M个比特。
作为一个实施例，所述第一域是生成所述第一比特序列的信息比特所采用的DCI格式(Format)中的一个域(Field)。
作为一个实施例，所述第一域是所述第一比特序列所采用的DCI格式(Format)中的一个域(Field)。
作为一个实施例，所述M1个比特是所述第一域在未经比特删减前的M1个最高位比特(MSB，Most Significant Bits)。
作为一个实施例，所述M1个比特是所述第一域在未经比特删减前的M1个最低位比特(LSB，Least Significant Bits)。
作为一个实施例，所述第一域是“频域资源分配(Frequency Domain Resource Assignment)”域。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被用于指示PDSCH(Physical Downlink Shared Channel，物理下行共享信道)所占用的 频域资源。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被用于指示PUSCH(Physical Uplink Shared Channel，物理上行共享信道)所占用的频域资源。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被用于指示PSSCH(Physical Sidelink Shared Channel，物理伴随链路共享信道)所占用的频域资源。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被用于指示PSCCH(Physical Sidelink Control Channel，物理伴随链路控制信道)所占用的频域资源。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被用于指示被用于伴随链路(Sidelink)传输的频域资源池(Frequency Domain Resource Pool)。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被用于指示PSSCH(Physical Sidelink Shared Channel，物理伴随链路共享信道)所占用的频域子信道(Subchannel)。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被用于指示PSCCH(Physical Sidelink Control Channel，物理伴随链路控制信道)所占用的频域子信道(Subchannel)。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被本申请中的所述第二通信节点设备用于指示频域资源。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被本申请中的所述第一通信节点设备用于指示频域资源。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被用于直接指示频域资源。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被用于间接指示频域资源。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被用于显式地指示频域资源。
作为一个实施例，上述句子“所述第一域被用于指示频域资源”包括以下含义：所述第一域被用于隐式地指示频域资源。
实施例12
实施例12示例了根据本申请的一个实施例的目标负载尺寸的计算过程的示意图，如附图12所示。在附图12中，每个矩形代表一次操作，每个菱形代表一次判断。在附图12中，从1201开始，在1202中判断目标搜索空间是否是公共搜索空间，在1203中确定X个负载尺寸，在1204中判断X是否等于1，在1205中目标负载尺寸等于X个负载尺寸的唯一一个负载尺寸，在1206中判断X个负载尺寸中是否存在一个负载尺寸不小于第一负载尺寸，在1207中目标负载尺寸等于X个负载尺寸中的最大的负载尺寸，在1208中目标负载尺寸等于X个负载尺寸中的不小于第一负载尺寸并且和第一负载尺寸的差值最小的负载尺寸，在1209中确定DCI Format 1-0的负载尺寸，在1210中目标负载尺寸等于DCI Format 1-0的负载尺寸。
作为一个实施例，所述第一控制信息格式是DCI Format 1-0。
作为一个实施例，所述第一控制信息格式是在公共搜索空间(CSS)中的DCI Format 1-0。
实施例13
实施例13示例了一个实施例的第一通信节点设备中的处理装置的结构框图，如附图 13所示。在附图13中，第一通信节点设备处理装置1300包括第一接收机1301，第二接收机1302和第一处理机1303。第一接收机1301包括本申请附图4中的发射器/接收器456(包括天线460)，接收处理器452和控制器/处理器490；第二接收机1302包括本申请附图4中的发射器/接收器456(包括天线460)，接收处理器452和控制器/处理器490；第一处理机1303包括本申请附图4中的发射器/接收器456(包括天线460)，接收处理器452，发射处理器455和控制器/处理器490。
在实施例13中，第一接收机1301接收第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；第二接收机1302在目标搜索空间中监测第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
作为一个实施例，第一接收机1301接收第二信息；其中，所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间。
作为一个实施例，第一接收机1301接收第二信息；其中，所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间；当所述目标搜索空间是公共搜索空间时，所述X等于1并且所述目标负载尺寸等于采用第一控制信息格式的控制信息的负载尺寸，采用所述第一控制信息格式的控制信息可以被用于在公共搜索空间中调度物理下行共享信道。
作为一个实施例，第一接收机1301接收第二信息；其中，所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间；当所述目标搜索空间是用户设备特定搜索空间时，所述第二信息还被用于确定Y个控制信息格式，所述Y是大于1的正整数；所述Y个控制信息格式被用于确定所述X个负载尺寸。
作为一个实施例，第一比特序列被用于生成所述第一信令，所述第一负载尺寸等于所述第一比特序列所包括的比特的数量；当所述目标负载尺寸大于所述第一负载尺寸时，所述第一比特序列经过添加填充比特生成所述第一信令的负载，所述第一负载尺寸和所述第一信令的负载中所包括的填充比特的数量的和等于所述目标负载尺寸；当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列通过比特删减生成所述第一信令的负载，所述第一比特序列被删减的比特的数量等于所述第一负载尺寸和所述目标负载尺寸的差。
作为一个实施例，第一比特序列被用于生成所述第一信令，所述第一负载尺寸等于所述第一比特序列所包括的比特的数量；当所述目标负载尺寸大于所述第一负载尺寸时，所述第一比特序列经过添加填充比特生成所述第一信令的负载，所述第一负载尺寸和所述第一信令的负载中所包括的填充比特的数量的和等于所述目标负载尺寸；当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列通过比特删减生成所述第一信令的负载，所述第一比特序列被删减的比特的数量等于所述第一负载尺寸和所述目标负载尺寸的差；当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列被删减M个比特后生成所述第一信令的负载，所述M个比特中包括M1个比特属于所述第一比特序列中的第一域，所述第一域被用于指示频域资源，所述M是正整数，所述M1是不大于所述M的正整数。
作为一个实施例，第一处理机1303操作第一信号；其中，所述第一信令被检测到，所述第一信令被用于确定所述第一信号所占用的时频资源，所述操作是发送，或者所述操作是接收。
实施例14
实施例14示例了一个实施例的第二通信节点设备中的处理装置的结构框图，如附图14所示。在附图14中，第二通信节点设备处理装置1400包括第一发射机1401，第二发射机1402和第二处理机1403。第一发射机1401包括本申请附图4中的发射器/接收器416(包括天线420)，发射处理器415和控制器/处理器440；第二发射机1402包括本申请附图4中的发射器/接收器416(包括天线420)，发射处理器415和控制器/处理器440；第二处理机1403包括本申请附图4中的发射器/接收器416(包括天线420)，发射处理器415，接收处理器412和控制器/处理器440。
在实施例14中，第一发射机1401发送第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；第二发射机1402在目标搜索空间中发送第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
作为一个实施例，第一发射机1401发送第二信息；其中，所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；所述第二信息被用于指示所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间。
作为一个实施例，第一发射机1401发送第二信息；其中，所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；所述第二信息被用于指示所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间；当所述目标搜索空间是公共搜索空间时，所述X等于1并且所述目标负载尺寸等于采用第一控制信息格式的控制信息的负载尺寸，采用所述第一控制信息格式的控制信息可以被用于在公共搜索空间中调度物理下行共享信道。
作为一个实施例，第一发射机1401发送第二信息；其中，所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；所述第二信息被用于指示所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间；当所述目标搜索空间是用户设备特定搜索空间时，所述第二信息还被用于指示Y个控制信息格式，所述Y是大于1的正整数；所述Y个控制信息格式被用于确定所述X个负载尺寸。
作为一个实施例，第一比特序列被用于生成所述第一信令，所述第一负载尺寸等于所述第一比特序列所包括的比特的数量；当所述目标负载尺寸大于所述第一负载尺寸时，所述第一比特序列经过添加填充比特生成所述第一信令的负载，所述第一负载尺寸和所述第一信令的负载中所包括的填充比特的数量的和等于所述目标负载尺寸；当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列通过比特删减生成所述第一信令的负载，所述第一比特序列被删减的比特的数量等于所述第一负载尺寸和所述目标负载尺寸的差。
作为一个实施例，第一比特序列被用于生成所述第一信令，所述第一负载尺寸等于所述第一比特序列所包括的比特的数量；当所述目标负载尺寸大于所述第一负载尺寸时，所述第一比特序列经过添加填充比特生成所述第一信令的负载，所述第一负载尺寸和所述第一信令的负载中所包括的填充比特的数量的和等于所述目标负载尺寸；当所述目标 负载尺寸小于所述第一负载尺寸时，所述第一比特序列通过比特删减生成所述第一信令的负载，所述第一比特序列被删减的比特的数量等于所述第一负载尺寸和所述目标负载尺寸的差；当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列被删减M个比特后生成所述第一信令的负载，所述M个比特中包括M1个比特属于所述第一比特序列中的第一域，所述第一域被用于指示频域资源，所述M是正整数，所述M1是不大于所述M的正整数。
作为一个实施例，第二处理机1403执行第一信号；其中，所述第一信令被用于确定所述第一信号所占用的时频资源，所述执行是接收，或者所述执行是发送。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可以通过程序来指令相关硬件完成，所述程序可以存储于计算机可读存储介质中，如只读存储器，硬盘或者光盘等。可选的，上述实施例的全部或部分步骤也可以使用一个或者多个集成电路来实现。相应的，上述实施例中的各模块单元，可以采用硬件形式实现，也可以由软件功能模块的形式实现，本申请不限于任何特定形式的软件和硬件的结合。本申请中的第一通信节点设备或者第二通信节点设备或者UE或者终端包括但不限于手机，平板电脑，笔记本，上网卡，低功耗设备，eMTC设备，NB-IoT设备，车载通信设备，飞行器，飞机，无人机，遥控飞机等无线通信设备。本申请中的基站设备或者基站或者网络侧设备包括但不限于宏蜂窝基站，微蜂窝基站，家庭基站，中继基站，eNB，gNB，传输接收节点TRP，中继卫星，卫星基站，空中基站等无线通信设备。
以上所述，仅为本申请的较佳实施例而已，并非用于限定本申请的保护范围。凡在本申请的精神和原则之内，所做的任何修改，等同替换，改进等，均应包含在本申请的保护范围之内。

Claims (11)

  1. 一种用于无线通信中的第一通信节点设备，其特征在于，包括：
    第一接收机，接收第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；
    第二接收机，在目标搜索空间中监测第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；
    其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
  2. 根据权利要求1所述的第一通信节点设备，其特征在于，所述第一接收机接收第二信息；其中，所述目标搜索空间是公共搜索空间，或者所述目标搜索空间是用户设备特定搜索空间；所述第二信息被用于确定所述目标搜索空间是公共搜索空间还是用户设备特定搜索空间。
  3. 根据权利要求2所述的第一通信节点设备，其特征在于，当所述目标搜索空间是公共搜索空间时，所述X等于1并且所述目标负载尺寸等于采用第一控制信息格式的控制信息的负载尺寸，采用所述第一控制信息格式的控制信息可以被用于在公共搜索空间中调度物理下行共享信道。
  4. 根据权利要求2所述的第一通信节点设备，其特征在于，当所述目标搜索空间是用户设备特定搜索空间时，所述第二信息还被用于确定Y个控制信息格式，所述Y是大于1的正整数；所述Y个控制信息格式被用于确定所述X个负载尺寸。
  5. 根据权利要求1至4中任一权利要求所述的第一通信节点设备，其特征在于，第一比特序列被用于生成所述第一信令，所述第一负载尺寸等于所述第一比特序列所包括的比特的数量；当所述目标负载尺寸大于所述第一负载尺寸时，所述第一比特序列经过添加填充比特生成所述第一信令的负载，所述第一负载尺寸和所述第一信令的负载中所包括的填充比特的数量的和等于所述目标负载尺寸；当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列通过比特删减生成所述第一信令的负载，所述第一比特序列被删减的比特的数量等于所述第一负载尺寸和所述目标负载尺寸的差。
  6. 根据权利要求5所述的第一通信节点设备，其特征在于，当所述目标负载尺寸小于所述第一负载尺寸时，所述第一比特序列被删减M个比特后生成所述第一信令的负载，所述M个比特中包括M1个比特属于所述第一比特序列中的第一域，所述第一域被用于指示频域资源，所述M是正整数，所述M1是不大于所述M的正整数。
  7. 根据权利要求1至6中任一权利要求所述的第一通信节点设备，其特征在于，还包括：
    第一处理机，操作第一信号；
    其中，所述第一信令被检测到，所述第一信令被用于确定所述第一信号所占用的时频资源，所述操作是发送，或者所述操作是接收。
  8. 一种用于无线通信中的第二通信节点设备，其特征在于，包括：
    第一发射机，发送第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；
    第二发射机，在目标搜索空间中发送第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；
    其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸 是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
  9. 根据权利要求8所述的第二通信节点设备，其特征在于，还包括：
    第二处理机，执行第一信号；
    其中，所述第一信令被用于确定所述第一信号所占用的时频资源，所述执行是接收，或者所述执行是发送。
  10. 一种用于无线通信中的第一通信节点中的方法，其特征在于，包括：
    接收第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；
    在目标搜索空间中监测第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；
    其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
  11. 一种用于无线通信中的第二通信节点中的方法，其特征在于，包括：
    发送第一信息，所述第一信息被用于确定第一负载尺寸，所述第一负载尺寸是正整数；
    在目标搜索空间中发送第一信令，所述第一信令的负载的负载尺寸等于目标负载尺寸；
    其中，所述目标搜索空间被用于确定X个负载尺寸，所述目标负载尺寸等于X个负载尺寸中的一个负载尺寸，所述X是正整数，所述X个负载尺寸中的任意一个负载尺寸是正整数；当所述X大于1并且所述X个负载尺寸中存在一个负载尺寸不小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的不小于所述第一负载尺寸并且和所述第一负载尺寸的差值最小的负载尺寸；当所述X大于1并且所述X个负载尺寸中的任意一个负载尺寸都小于所述第一负载尺寸时，所述目标负载尺寸等于所述X个负载尺寸中的最大的负载尺寸。
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