WO2020244384A1 - 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
WO2020244384A1
WO2020244384A1 PCT/CN2020/091133 CN2020091133W WO2020244384A1 WO 2020244384 A1 WO2020244384 A1 WO 2020244384A1 CN 2020091133 W CN2020091133 W CN 2020091133W WO 2020244384 A1 WO2020244384 A1 WO 2020244384A1
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Prior art keywords
resource block
resource
time window
block
channel sensing
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PCT/CN2020/091133
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English (en)
French (fr)
Inventor
吴克颖
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 WO2020244384A1 publication Critical patent/WO2020244384A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26—Resource reservation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management

Definitions

  • This application relates to a transmission method and device in a wireless communication system, and in particular to a transmission method and device related to a side link (Sidelink) in wireless communication.
  • Sidelink side link
  • 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 defines 4 Use Case Groups for 5G V2X services, including: Automated Queued Driving (Vehicles Platnooning), Support for Extended Sensors (Extended Sensors), Semi/Fully Automatic Driving (Advanced Driving) and Remote Driving ( Remote Driving).
  • Automated Queued Driving Vehicle-to-Everything
  • Advanced Driving Advanced Driving
  • Remote Driving Remote Driving
  • the terminal can understand the occupancy of the subchannel through channel sensing (Sensing), and select and reserve time-frequency resources by itself It is transmitted on PSCCH (Physical Sidelink Control Channel, physical secondary link control channel) and PSSCH (Physical Sidelink Shared Channel, physical secondary link shared channel).
  • PSCCH Physical Sidelink Control Channel, physical secondary link control channel
  • PSSCH Physical Sidelink Shared Channel, physical secondary link shared channel
  • this application discloses a solution. It should be noted that, in the case of no conflict, the embodiment in any one of the first node, the second node, and the third node of the present application and the features in the embodiment can be applied to the other two nodes. In the case of no conflict, the embodiments of the application and the features in the embodiments can be combined with each other arbitrarily.
  • This application discloses a method used in a first node of wireless communication, which is characterized in that it includes:
  • the first signaling indicates that the first resource pool is reserved; the first information block indicates the second resource block; the first resource block and the first resource pool are not orthogonal, and the second The resource block and the first resource pool are not orthogonal, the second resource block is located within the first time window, and the first resource block is located outside the first time window; the channel-aware The result is used to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block, and whether all the channels are detected in the first time window.
  • the first information block is related.
  • the problem to be solved by this application includes: how to treat the occupation of time-frequency resources by different types of services in the process of channel sensing and resource selection to optimize resource utilization.
  • the above method solves this problem by treating the occupation of resources by semi-static services and burst services differently.
  • the characteristics of the above method include: the first signaling occupies or reserves the resources in the first resource pool in a semi-static manner, and the first information block occupies or reserves in a burst manner.
  • the second resource block is reserved; the first node treats these two resource occupations differently in channel sensing and resource selection.
  • the advantages of the above method include: more accurately reflecting the influence of different types of services on channel perception and resource selection, and improving the resource utilization rate on the secondary link.
  • the first information block overrides the reservation of the second resource block by the first signaling.
  • the channel sensing is not performed in the second resource block;
  • the channel sensing is performed in the second resource block.
  • the first signaling includes configuration information of a first channel
  • the time-frequency resource occupied by the first channel includes the second resource block.
  • the channel sensing is used to determine a first measurement value set
  • the first measurement value set includes a positive integer number of measurement values
  • the first measurement value set is used to determine Whether the first resource block belongs to the first candidate resource block set.
  • the first candidate resource block subset is a subset of the first candidate resource block set.
  • the first node is a user equipment.
  • the first node is a relay node.
  • This application discloses a method used in a second node of wireless communication, which is characterized in that it includes:
  • the first information block indicates a second resource block, the second resource block is located within the first time window, and the first resource block is located outside the first time window; and the first signaling indicates the second resource block.
  • a resource pool is reserved, the first resource block and the first resource pool are not orthogonal, and the second resource block and the first resource pool are not orthogonal; it is in the first time window.
  • the result of the performed channel sensing is used to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block and whether it is in the first time window Sending the first information block is relevant.
  • the first information block overrides the reservation of the second resource block by the first signaling.
  • the performer of channel awareness detects the first information block in the first time window
  • the channel awareness is not detected in the second resource block. Execute; when the executor of channel sensing does not detect the first information block in the first time window, the channel sensing is performed in the second resource block.
  • the first candidate resource block subset is a subset of the first candidate resource block set.
  • the second node abandons sending the first information block in the first time window.
  • the second node is a user equipment.
  • the second node is a relay node.
  • This application discloses a method used in a third node for wireless communication, which is characterized in that it includes:
  • the first signaling indicates that the first resource pool is reserved; the first resource block and the first resource pool are not orthogonal, the second resource block and the first resource pool are not orthogonal, and the The second resource block is located within the first time window, and the first resource block is located outside the first time window; the result of channel sensing performed in the first time window is used to determine the first time window Whether the resource block belongs to the first candidate resource block set; whether the channel sensing is performed in the second resource block is related to whether the performer of the channel sensing detects the first information block in the first time window , The first information block indicates the second resource block.
  • the first information block overrides the reservation of the second resource block by the first signaling.
  • the channel sensing is not detected in the second resource block. Execute; when the executor of channel sensing does not detect the first information block in the first time window, the channel sensing is performed in the second resource block.
  • the first signaling includes configuration information of a first channel
  • the time-frequency resource occupied by the first channel includes the second resource block.
  • whether the third node detects that the first information block is used to determine whether the third node sends a wireless signal in the second resource block.
  • the third node does not detect the first information block in the first time window.
  • the first candidate resource block subset is a subset of the first candidate resource block set.
  • the third node is user equipment.
  • the third node is a relay node.
  • This application discloses a first node device used for wireless communication, which is characterized in that it includes:
  • the first receiver receives the first signaling, performs channel sensing in a first time window, and monitors the first information block in the first time window;
  • the first processor determines whether the first resource block belongs to the first candidate resource block set
  • the first signaling indicates that the first resource pool is reserved; the first information block indicates the second resource block; the first resource block and the first resource pool are not orthogonal, and the second The resource block and the first resource pool are not orthogonal, the second resource block is located within the first time window, and the first resource block is located outside the first time window; the channel-aware The result is used to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block, and whether all of the channels are detected in the first time window.
  • the first information block is related.
  • This application discloses a second node device used for wireless communication, which is characterized in that it includes:
  • the second processor sending the first information block in the first time window, or giving up sending the first information block in the first time window;
  • the first information block indicates a second resource block, the second resource block is located within the first time window, and the first resource block is located outside the first time window; and the first signaling indicates the second resource block.
  • a resource pool is reserved, the first resource block and the first resource pool are not orthogonal, and the second resource block and the first resource pool are not orthogonal; it is in the first time window.
  • the result of the performed channel sensing is used to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block and whether it is in the first time window Sending the first information block is relevant.
  • This application discloses a third node device used for wireless communication, which is characterized in that it includes:
  • the third processor sends the first signaling
  • the first signaling indicates that the first resource pool is reserved; the first resource block and the first resource pool are not orthogonal, the second resource block and the first resource pool are not orthogonal, and the The second resource block is located within the first time window, and the first resource block is located outside the first time window; the result of channel sensing performed in the first time window is used to determine the first time window Whether the resource block belongs to the first candidate resource block set; whether the channel sensing is performed in the second resource block is related to whether the performer of the channel sensing detects the first information block in the first time window , The first information block indicates the second resource block.
  • this application has the following advantages:
  • channel perception and resource selection it more accurately reflects the occupation and reservation of resources by different types of services, and improves the resource utilization rate on the secondary link.
  • Fig. 1 shows a processing flowchart of a first node 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 an embodiment 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 device and a second communication device according to an embodiment of the present application
  • Figure 5 shows a flow chart of transmission according to an embodiment of the present application
  • Figure 6 shows a flow chart of transmission according to an embodiment of the present application
  • Fig. 7 shows a schematic diagram of first signaling according to an embodiment of the present application.
  • Fig. 8 shows a schematic diagram of a first information block according to an embodiment of the present application.
  • Fig. 9 shows a schematic diagram of a given resource block according to an embodiment of the present application.
  • Fig. 10 shows a schematic diagram of a first resource pool according to an embodiment of the present application
  • Fig. 11 shows a schematic diagram of whether channel sensing is performed in a second resource block and whether a first information block is detected in a first time window according to an embodiment of the present application
  • FIG. 12 shows a schematic diagram of the first signaling including the configuration information of the first channel according to an embodiment of the present application
  • FIG. 13 shows a schematic diagram of channel sensing and a first measurement value set according to an embodiment of the present application
  • Fig. 14 shows a schematic diagram of a first candidate resource block set and a first candidate resource block subset according to an embodiment of the present application
  • Fig. 15 shows a structural block diagram of a processing apparatus used in a first node device according to an embodiment of the present application
  • Fig. 16 shows a structural block diagram of a processing apparatus for a device in a second node according to an embodiment of the present application
  • Fig. 17 shows a structural block diagram of a processing apparatus for a device in a third node according to an embodiment of the present application.
  • Embodiment 1 illustrates a processing flowchart of the first node according to an embodiment of the present application, as shown in FIG. 1.
  • each box represents a step.
  • the order of the steps in the box does not represent a specific time sequence between the steps.
  • the first node in this application receives the first signaling in step 101; in step 102, it performs channel sensing in the first time window, and monitors the first signal in the first time window.
  • the first signaling indicates that the first resource pool is reserved; the first information block indicates the second resource block; the first resource block and the first resource pool are not orthogonal, and the second resource block The resource block and the first resource pool are not orthogonal, the second resource block is located within the first time window, and the first resource block is located outside the first time window; the channel-aware The result is used to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block, and whether all of the channels are detected in the first time window.
  • the first information block is related.
  • the monitoring refers to receiving based on energy detection, that is, the energy of the wireless signal is sensed in the first time window and averaged to obtain the received energy. If the received energy is greater than the second given threshold, it is determined that the first information block is detected in the first time window; otherwise, it is determined that the first information block is not detected in the first time window .
  • the monitoring refers to coherent reception, that is, coherent reception is performed in the first time window, and the energy of the signal obtained after the coherent reception is measured. If the energy of the signal obtained after the coherent reception is greater than a first given threshold, it is determined that the first information block is detected in the first time window; otherwise, it is determined that the first information block is not detected in the first time window. The first information block is detected.
  • the monitoring refers to coherent reception, that is, coherent reception is performed in the first time window, and the energy of the signal obtained after the coherent reception is measured. If the energy of the signal obtained after the coherent reception is greater than the first given threshold, then it is determined that a given signalling is detected; if the given signalling carries the first information block, it is determined that all the signals are detected. The first information block; if the energy of the signal obtained after the coherent reception is not greater than the first given threshold or the given signaling does not carry the first information block, otherwise it is determined that all the signals are not detected Mentioned first information block.
  • the monitoring refers to blind detection, that is, receiving a signal in the first time window and performing a decoding operation. If it is determined that the decoding is correct according to CRC (Cyclic Redundancy Check) bits, It is determined that the first information block is detected in the first time window; otherwise, it is determined that the first information block is not detected in the first time window.
  • CRC Cyclic Redundancy Check
  • the monitoring refers to blind detection, that is, the signal is received in the first time window and the decoding operation is performed. If it is determined that the decoding is correct according to the CRC bit, it is determined that a given signal is detected, if If the given signaling carries the first information block, it is determined that the first information block is detected; if a decoding error is determined according to the CRC bit or the given signaling does not carry the first information block, otherwise It is determined that the first information block is not detected.
  • the first time window belongs to a sensing window (sensing window).
  • the first time window is a continuous time period.
  • the first time window includes a positive integer number of time slots (Slot).
  • the first time window includes a positive integer number of consecutive time slots (Slot).
  • the first time window includes a positive integer number of mini-slots (Sub-Slot).
  • the first time window includes a positive integer number of subframes.
  • the first time window includes a positive integer number of multi-carrier symbols.
  • the multi-carrier symbol is an OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) symbol.
  • the multi-carrier symbol is an SC-FDMA (Single Carrier-Frequency Division Multiple Access, single carrier frequency division multiple access) symbol.
  • SC-FDMA Single Carrier-Frequency Division Multiple Access, single carrier frequency division multiple access
  • the multi-carrier symbol is a DFT-S-OFDM (Discrete Fourier Transform Spread OFDM, Discrete Fourier Transform Orthogonal Frequency Division Multiplexing) symbol.
  • DFT-S-OFDM Discrete Fourier Transform Spread OFDM, Discrete Fourier Transform Orthogonal Frequency Division Multiplexing
  • the first resource block is later than the second resource block in the time domain.
  • the start time of the first resource block is later than the end time of the second resource block.
  • the channel sensing includes sensing.
  • the channel sensing includes energy detection, that is, sensing the energy of the wireless signal and averaging to obtain the average received energy.
  • the channel sensing includes power detection, that is, sensing the power of the wireless signal and averaging to obtain the average received power.
  • the channel sensing includes coherent detection, that is, performing coherent reception and measuring the average energy of the signal obtained after the coherent reception.
  • the channel sensing includes coherent detection, that is, performing coherent reception and measuring the average power of the signal obtained after the coherent reception.
  • the channel sensing includes the measurement of RSRP (Reference Signal Received Power, reference signal received power) of DMRS (DeModulation Reference Signals, demodulation reference signal) for PSSCH.
  • RSRP Reference Signal Received Power, reference signal received power
  • DMRS DeModulation Reference Signals, demodulation reference signal
  • the channel sensing includes RSRP measurement for DMRS of PSCCH.
  • the unit of the channel sensing result is dBm (millidecibels).
  • the unit of the channel sensing result is Watt.
  • the result of the channel sensing includes: RSRP of the DMRS of the PSSCH in the first time window.
  • the result of the channel sensing includes: RSRP of the DMRS of the PSCCH in the first time window.
  • the channel sensing is performed in a part of the first resource pool located in the first time window.
  • the channel sensing is performed on S1 channels, and S1 is a positive integer greater than 1.
  • S1 is a positive integer greater than 1.
  • the time-frequency resources occupied by the S1 channels all belong to the first resource pool at the first time The part in the window.
  • the channel sensing is performed on S1 channels, and S1 is a positive integer greater than 1.
  • S1 is a positive integer greater than 1.
  • the frequency domain resources occupied by the S1 channels belong to the first resource pool, and the S1 channels All occupied time domain resources belong to the first time window.
  • whether the channel sensing of the sentence is performed in the second resource block includes: the channel sensing is performed on S1 channels in the first time window, and S1 is a positive integer; Whether there is a time-frequency resource occupied by one channel in the S1 channels includes the second resource block.
  • any one of the S1 channels is a physical layer channel.
  • any one of the S1 channels is a physical layer shared channel.
  • the S1 channels include one physical layer shared channel.
  • any one of the S1 channels is a PSSCH.
  • the S1 channels include one PSSCH.
  • the S1 channels include one physical layer control channel.
  • the S1 channels include one PSCCH.
  • the channel sensing is performed in S2 resource blocks, and S2 is a positive integer greater than 1.
  • S2 is a positive integer greater than 1.
  • the time-frequency resources occupied by the S2 resource blocks all belong to the first resource pool located in the first resource pool. Part of a time window.
  • the channel sensing is performed in S2 resource blocks, where S2 is a positive integer greater than 1.
  • S2 is a positive integer greater than 1.
  • the frequency domain resources occupied by the S2 resource blocks all belong to the first resource pool, and S2
  • the time domain resources occupied by the resource blocks only belong to the first time window.
  • whether the channel sensing of the sentence is performed in the second resource block includes: the channel sensing is performed on S2 resource blocks in the first time window, and S2 is a positive integer; Whether the S2 resource blocks include the second resource block.
  • the channel sensing is performed in S3 sub-channels in the first time window, S3 is a positive integer; the frequency domain resources occupied by the S3 sub-channels all belong to the first time window.
  • a resource pool is a positive integer; the frequency domain resources occupied by the S3 sub-channels all belong to the first time window.
  • whether the channel sensing in the sentence is performed in the second resource block includes: the channel sensing is performed in S3 sub-channels in the first time window, S3 is a positive integer; whether the S3 subchannels include frequency domain resources occupied by the second resource block.
  • a sub-channel includes a positive integer number of PRBs (Physical Resource Blocks) in the frequency domain.
  • PRBs Physical Resource Blocks
  • a sub-channel includes a positive integer number of RBs (Resource blocks, physical resource blocks) in the frequency domain.
  • the result of the channel sensing in the sentence being used to determine whether the first resource block belongs to the first candidate resource block set includes: the channel sensing is used to determine the first measurement value set,
  • the first measurement value set includes a positive integer number of measurement values, and the first measurement value set is used to determine whether the first resource block belongs to the first candidate resource block set.
  • the result of the channel sensing in the sentence is used to determine whether the first resource block belongs to the first candidate resource block set including: the channel sensing is used to determine a positive integer number of RSRPs, so The positive integer number of RSRP is used to determine whether the first resource block belongs to the first candidate resource block set.
  • the result of the channel sensing in the sentence being used to determine whether the first resource block belongs to the first candidate resource block set includes: the channel sensing is used to determine the first RSRP, the The first RSRP is used to determine whether the first resource block belongs to the first candidate resource block set.
  • the second resource block belongs to the first time window in the time domain, and the first resource block is later than the first time window in the time domain.
  • the end time of the second resource block is no later than the end time of the first time window, and the start time of the second resource block is no earlier than the start time of the first time window .
  • the start time of the first resource block is not earlier than the end time of the first time window.
  • the start time of the first resource block is later than the end time of the first time window.
  • Embodiment 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in FIG. 2.
  • FIG. 2 illustrates the network architecture 200 of LTE (Long-Term Evolution), LTE-A (Long-Term Evolution Advanced, Enhanced Long-Term Evolution) and the future 5G system.
  • the network architecture 200 of LTE, LTE-A and the future 5G system is called EPS (Evolved Packet System, Evolved Packet System) 200.
  • EPS Evolved Packet System, Evolved Packet System
  • EPS 200 may include one or more UEs (User Equipment) 201, a UE 241 that communicates with UE 201 on a side link (Sidelink), NG-RAN (Next Generation Radio Access Network) 202, 5G-CN (5G) -CoreNetwork, 5G core network)/EPC (Evolved Packet Core) 210, HSS (Home Subscriber Server) 220 and Internet service 230.
  • UEs User Equipment
  • UE 241 Next Generation Radio Access Network
  • 5G-CN (5G) -CoreNetwork Next Generation Radio Access Network
  • 5G core network 5G core network
  • EPC Evolved Packet Core
  • HSS Home Subscriber Server
  • NG-RAN202 includes NR (New Radio) Node B (gNB) 203 and other gNB204.
  • gNB203 provides user and control plane protocol termination towards UE201.
  • the gNB203 can be connected to other gNB204 via an X2 interface (for example, backhaul).
  • gNB203 may 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 (transmit and receive point), or some other suitable terminology.
  • gNB203 provides UE201 with an access point to 5G-CN/EPC210.
  • 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, aircrafts, narrowband physical network equipment, machine type communication equipment, land vehicles, automobiles, wearable devices, or any other similar functional devices.
  • 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 or some other suitable term.
  • 5G-CN/EPC210 includes MME (Mobility Management Entity)/AMF (Authentication Management Field)/UPF (User Plane Function, user plane) Function) 211, other MME/AMF/UPF 214, S-GW (Service Gateway, Serving Gateway) 212, and P-GW (Packet Date Network Gateway, Packet Data Network Gateway) 213.
  • MME/AMF/UPF211 is a control node that handles signaling between UE201 and 5G-CN/EPC210. Generally, MME/AMF/UPF211 provides bearer and connection management.
  • 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 packet switching (Packet switching) services.
  • the first node in this application includes the UE201.
  • the first node in this application includes the UE241.
  • the second node in this application includes the UE201.
  • the second node in this application includes the UE241.
  • the third node in this application includes the UE241.
  • the third node in this application includes the UE201.
  • the air interface between the UE201 and the gNB203 is a Uu interface.
  • the wireless link between the UE201 and the gNB203 is a cellular network link.
  • the air interface between the UE201 and the UE241 is a PC5 interface.
  • the radio link between the UE 201 and the UE 241 is a side link (Sidelink).
  • the first node in this application is a terminal covered by the gNB203.
  • the first node in this application is a terminal outside the coverage of the gNB203.
  • the second node in this application is a terminal covered by the gNB203.
  • the second node in this application is a terminal outside the coverage of the gNB203.
  • the third node in this application is a terminal covered by the gNB203.
  • the third node in this application is a terminal outside the coverage of the gNB203.
  • the UE 201 and the UE 241 support unicast (Unicast) transmission.
  • unicast unicast
  • the UE 201 and the UE 241 support broadcast (Broadcast) transmission.
  • the UE 201 and the UE 241 support multicast (Groupcast) transmission.
  • the sender of the first signaling in this application includes the UE201.
  • the recipient of the first signaling in this application includes the UE241.
  • the sender of the first signaling in this application includes the UE 241.
  • the recipient of the first signaling in this application includes the UE201.
  • the performer of the channel sensing in this application includes the UE201.
  • the performer of the channel sensing in this application includes the UE241.
  • Embodiment 3 illustrates a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application, as shown in FIG. 3.
  • Fig. 3 is a schematic diagram illustrating an embodiment of the radio protocol architecture for the user plane and the control plane.
  • Fig. 3 shows the radio protocol architecture for UE and gNB with three layers: layer 1, layer 2, and layer 3.
  • Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions.
  • the L1 layer will be referred to as PHY301 herein.
  • Layer 2 (L2 layer) 305 is above PHY301 and is responsible for the link between UE and gNB through PHY301.
  • the L2 layer 305 includes MAC (Medium Access Control) sublayer 302, RLC (Radio Link Control, radio link control protocol) sublayer 303, and PDCP (Packet Data Convergence Protocol), packet data Convergence protocol) sublayers 304, these sublayers terminate at the gNB on the network side.
  • the UE may have several protocol layers above the L2 layer 305, including a network layer (e.g., IP layer) terminating at the P-GW 213 on the network side and a network layer terminating at the other end of the connection (e.g., Remote UE, server, etc.) at the application layer.
  • the PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels.
  • the PDCP sublayer 304 also provides header compression for upper layer data packets to reduce radio transmission overhead, provides security by encrypting data packets, and provides handover support for UEs between gNBs.
  • 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 caused by HARQ (Hybrid Automatic Repeat reQuest, hybrid automatic repeat request).
  • HARQ Hybrid Automatic Repeat reQuest, hybrid automatic repeat request.
  • 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 UEs.
  • the MAC sublayer 302 is also responsible for HARQ operations.
  • the radio protocol architecture for the UE and gNB is substantially the same for the physical layer 301 and the L2 layer 305, but there is no header compression function for the control plane.
  • the control plane also includes an RRC (Radio Resource Control, radio resource control) sublayer 306 in layer 3 (L3 layer).
  • the RRC sublayer 306 is responsible for obtaining radio resources (ie, radio bearers) and configuring the lower layer using RRC signaling between the gNB and the UE.
  • the wireless protocol architecture in FIG. 3 is applicable to the first node in this application.
  • the wireless protocol architecture in FIG. 3 is applicable to the second node in this application.
  • the wireless protocol architecture in FIG. 3 is applicable to the third node in this application.
  • the first signaling in this application is generated in the PHY301.
  • the first signaling in this application is generated in the MAC sublayer 302.
  • the first information block in this application is generated in the PHY301.
  • the first information block in this application is generated in the MAC sublayer 302.
  • the first signal in this application is generated in the PHY301.
  • the second signal in this application is generated in the PHY301.
  • Embodiment 4 illustrates a schematic diagram of the first communication device and the second communication device according to an embodiment of the present application, as shown in FIG. 4.
  • FIG. 4 is a block diagram of a first communication device 410 and a second communication device 450 communicating with each other in an access network.
  • the first communication device 410 includes a controller/processor 475, a memory 476, a receiving processor 470, a transmitting processor 416, a multiple antenna receiving processor 472, a multiple antenna transmitting processor 471, a transmitter/receiver 418, and an antenna 420.
  • the second communication device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmitting processor 468, a receiving processor 456, a multi-antenna transmitting processor 457, a multi-antenna receiving processor 458, and a transmitter/receiver 454 And antenna 452.
  • the upper layer data packet from the core network is provided to the controller/processor 475.
  • the controller/processor 475 implements the functionality of the L2 layer.
  • the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logic and transmission channels, and multiplexing of the second communication device 450 based on various priority metrics. Radio resource allocation.
  • the controller/processor 475 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the second communication device 450.
  • the transmission processor 416 and the multi-antenna transmission processor 471 implement various signal processing functions for the L1 layer (ie, physical layer).
  • the transmit processor 416 implements encoding and interleaving to facilitate forward error correction (FEC) at the second communication device 450, and based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift keying) (QPSK), M phase shift keying (M-PSK), M quadrature amplitude modulation (M-QAM)) constellation mapping.
  • modulation schemes e.g., binary phase shift keying (BPSK), quadrature phase shift keying) (QPSK), M phase shift keying (M-PSK), M quadrature amplitude modulation (M-QAM)
  • the multi-antenna transmission processor 471 performs digital spatial precoding on the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing to generate one or more parallel streams.
  • the transmit processor 416 maps each parallel stream to subcarriers, multiplexes the modulated symbols with reference signals (e.g., pilot) in the time and/or frequency domain, and then uses inverse fast Fourier transform (IFFT) ) To generate a physical channel carrying a multi-carrier symbol stream in the time domain.
  • IFFT inverse fast Fourier transform
  • the multi-antenna transmission processor 471 performs transmission simulation precoding/beamforming operations on the time-domain multi-carrier symbol stream.
  • Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmission processor 471 into a radio frequency stream, and then provides it to a different antenna 420.
  • each receiver 454 receives a signal through its corresponding antenna 452.
  • Each receiver 454 recovers the information modulated on the radio frequency carrier, and converts the radio frequency stream into a baseband multi-carrier symbol stream and provides it to the receiving processor 456.
  • the receiving processor 456 and the multi-antenna receiving processor 458 implement various signal processing functions of the L1 layer.
  • the multi-antenna receiving processor 458 performs reception analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454.
  • the receiving processor 456 uses a Fast Fourier Transform (FFT) to convert the baseband multi-carrier symbol stream after receiving the analog precoding/beamforming operation from the time domain to the frequency domain.
  • FFT Fast Fourier Transform
  • the reference signal will be used for channel estimation.
  • the data signal is recovered by the multi-antenna receiving processor 458 after multi-antenna detection.
  • the communication device 450 is any parallel stream to the destination. The symbols on each parallel stream are demodulated and recovered in the receiving processor 456, and soft decisions are generated.
  • the receiving processor 456 then decodes and deinterleaves the soft decision to recover the upper layer data and control signals transmitted by the first communication device 410 on the physical channel.
  • the upper layer data and control signals are then provided to the controller/processor 459.
  • the controller/processor 459 implements the functions of the L2 layer.
  • the controller/processor 459 may be associated with a memory 460 that stores program codes and data.
  • the memory 460 may be referred to as a computer-readable medium.
  • the controller/processor 459 provides demultiplexing between transmission and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover upper layer data packets from the core network.
  • the upper layer data packets are then provided to all protocol layers above the L2 layer.
  • Various control signals can also be provided to L3 for L3 processing.
  • the controller/processor 459 is also responsible for error detection using acknowledgement (ACK) and/or negative acknowledgement (NACK) protocols to support HARQ operations.
  • ACK acknowledgement
  • NACK negative acknowledgement
  • a data source 467 is used to provide upper layer data packets to the controller/processor 459.
  • the data source 467 represents all protocol layers above the L2 layer.
  • the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and logical AND based on the wireless resource allocation of the first communication device 410 Multiplexing between transport channels to implement L2 layer functions for user plane and control plane.
  • the controller/processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first communication device 410.
  • the transmission processor 468 performs modulation mapping and channel coding processing, and the multi-antenna transmission processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing, followed by transmission
  • the processor 468 modulates the generated parallel stream into a multi-carrier/single-carrier symbol stream, which is subjected to an analog precoding/beamforming operation in the multi-antenna transmission processor 457 and then provided to different antennas 452 via the transmitter 454.
  • Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmission processor 457 into a radio frequency symbol stream, and then provides it to the antenna 452.
  • the function at the first communication device 410 is similar to that in the transmission from the first communication device 410 to the second communication device 450.
  • Each receiver 418 receives radio frequency signals through its corresponding antenna 420, converts the received radio frequency signals into baseband signals, and provides the baseband signals to the multi-antenna receiving processor 472 and the receiving processor 470.
  • the receiving processor 470 and the multi-antenna receiving processor 472 jointly implement the functions of the L1 layer.
  • the controller/processor 475 implements L2 layer functions.
  • the controller/processor 475 may be associated with a memory 476 that stores program codes and data.
  • the memory 476 may be referred to as a computer-readable medium.
  • the controller/processor 475 provides demultiplexing between transmission and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover upper layer data packets from the second communication device 450.
  • the upper layer data packet from the controller/processor 475 may be provided to the core network.
  • the controller/processor 475 is also responsible for error detection using ACK and/or NACK protocols to support HARQ operations.
  • the second communication 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 interact with the Use at least one processor together.
  • the second communication device 450 means at least: receiving the first signaling in this application; performing the channel sensing in this application and monitoring all the channels in this application in the first time window in this application.
  • the first information block determining whether the first resource block in this application belongs to the first candidate resource block set in this application.
  • the first signaling indicates that the first resource pool is reserved; the first information block indicates the second resource block; the first resource block and the first resource pool are not orthogonal, and the second resource block The resource block and the first resource pool are not orthogonal, the second resource block is located within the first time window, and the first resource block is located outside the first time window; the channel-aware The result is used to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block, and whether all of the channels are detected in the first time window.
  • the first information block is related.
  • the second communication device 450 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generates an action when executed by at least one processor, and the action includes: The first signaling in the application; perform the channel sensing in the application and monitor the first information block in the application in the first time window in the application; determine all the information in the application Whether the first resource block belongs to the first candidate resource block set in this application.
  • the first signaling indicates that the first resource pool is reserved; the first information block indicates the second resource block; the first resource block and the first resource pool are not orthogonal, and the second resource block The resource block and the first resource pool are not orthogonal, the second resource block is located within the first time window, and the first resource block is located outside the first time window; the channel-aware The result is used to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block, and whether all of the channels are detected in the first time window.
  • the first information block is related.
  • the first communication device 410 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 interact with the Use at least one processor together.
  • the first communication device 410 means at least: send the first information block in this application in the first time window in this application, or give up sending the first information block in the first time window.
  • Information block indicates a second resource block, the second resource block is located within the first time window, and the first resource block is located outside the first time window; and the first signaling indicates the second resource block.
  • a resource pool is reserved, the first resource block and the first resource pool are not orthogonal, and the second resource block and the first resource pool are not orthogonal; it is in the first time window
  • the result of the performed channel sensing is used to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block and whether it is in the first time window Sending the first information block is relevant.
  • the first communication device 410 includes: a memory storing a computer-readable instruction program, which generates actions when executed by at least one processor, and the actions include: Send the first information block in this application in the first time window in the application, or give up sending the first information block in the first time window.
  • the first information block indicates a second resource block, the second resource block is located within the first time window, and the first resource block is located outside the first time window; and the first signaling indicates the second resource block.
  • a resource pool is reserved, the first resource block and the first resource pool are not orthogonal, and the second resource block and the first resource pool are not orthogonal; it is in the first time window
  • the result of the performed channel sensing is used to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block and whether it is in the first time window Sending the first information block is relevant.
  • the first communication device 410 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 interact with the Use at least one processor together.
  • the first communication device 410 means at least: sending the first signaling in this application.
  • the first signaling indicates that the first resource pool is reserved; the first resource block and the first resource pool are not orthogonal, the second resource block and the first resource pool are not orthogonal, and the The second resource block is located within the first time window, and the first resource block is located outside the first time window; the result of channel sensing performed in the first time window is used to determine the first time window Whether the resource block belongs to the first candidate resource block set; whether the channel sensing is performed in the second resource block is related to whether the performer of the channel sensing detects the first information block in the first time window , The first information block indicates the second resource block.
  • the first communication device 410 includes: a memory storing a computer-readable instruction program, which generates actions when executed by at least one processor, and the actions include: sending Of the first signaling.
  • the first signaling indicates that the first resource pool is reserved; the first resource block and the first resource pool are not orthogonal, the second resource block and the first resource pool are not orthogonal, and the The second resource block is located within the first time window, and the first resource block is located outside the first time window; the result of channel sensing performed in the first time window is used to determine the first time window Whether the resource block belongs to the first candidate resource block set; whether the channel sensing is performed in the second resource block is related to whether the performer of the channel sensing detects the first information block in the first time window , The first information block indicates the second resource block.
  • the first node in this application includes the second communication device 450.
  • the second node in this application includes the first communication device 410.
  • the third node in this application includes the second communication device 410.
  • the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to receive the first signaling in this application;
  • the antenna 420, the transmitter 418, the transmission processor 416, the multi-antenna transmission processor 471 At least one of the controller/processor 475 and the memory 476 ⁇ is used to send the first signaling in this application.
  • the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to perform the channel sensing in this application in the first time window in this application.
  • the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to monitor the first information block in this application in the first time window in this application;
  • the antenna 420, the transmitter 418, the transmission At least one of the processor 416, the multi-antenna transmission processor 471, the controller/processor 475, and the memory 476 ⁇ is used to send the application in the first time window in the application The first information block in.
  • the antenna 420, the receiver 418, the receiving processor 470, the multi-antenna receiving processor 472, the controller/processor 475, the memory 476 ⁇ at least One is used to monitor the first information block in this application.
  • At least one of ⁇ the receiving processor 456, the transmitting processor 468, and the controller/processor 459 ⁇ is used to determine whether the first resource block in this application belongs to The first candidate resource block set in this application.
  • At least one of ⁇ the receiving processor 456, the transmitting processor 468, the controller/processor 459, the memory 460, the data source 467 ⁇ is used in the local
  • the first candidate resource block subset in this application is selected from the first candidate resource block set in the application.
  • the antenna 420, the receiver 418, the receiving processor 470, the multi-antenna receiving processor 472, the controller/processor 475, the memory 476 ⁇ at least One is used to receive the first signal in this application in the first candidate resource block subset in this application;
  • the antenna 452, the transmitter 454, the transmission processor 468, the At least one of the multi-antenna transmission processor 457, the controller/processor 459, the memory 460, and the data source 467 ⁇ is used in the first subset of candidate resource blocks in this application Send the first signal in this application.
  • the antenna 420, the transmitter 418, the transmission processor 416, the multi-antenna transmission processor 471, the controller/processor 475, the memory 476 ⁇ One of them is used to transmit the second signal in this application in the second resource block in this application.
  • Embodiment 5 illustrates a flow chart of wireless transmission according to an embodiment of the present application, as shown in FIG. 5.
  • the second node U1, the first node U2, and the third node U3 are respectively communication nodes transmitted between each other through an air interface.
  • the steps in blocks F51 to F56 are optional.
  • the second node U1 sends the first information block in the first time window in step S5101; and receives the first signal in the first candidate resource block subset in step S5102.
  • the first node U2 receives the first signaling in step S521; performs channel sensing and monitors the first information block in the first time window in step S522; determines whether the first resource block belongs to the first candidate resource in step S523 Block set; in step S5201, a first candidate resource block subset is selected from the first candidate resource block set; in step S5202, a first signal is sent in the first candidate resource block subset.
  • the third node U3 sends the first signaling in step S531; monitors the first information block in step S5301; sends the second signal in the second resource block in step S5302; in step S5303 in the first candidate resource block The first signal is received in the subset.
  • the first signaling indicates that the first resource pool is reserved; the first information block indicates the second resource block; the first resource block and the first resource pool are incorrect Cross, the second resource block and the first resource pool are not orthogonal, the second resource block is located within the first time window, and the first resource block is located outside the first time window
  • the result of the channel sensing is used by the first node U2 to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block and Whether the first node U2 detects that the first information block is relevant in the first time window.
  • the first candidate resource block subset is a subset of the first candidate resource block set.
  • the first node U2 is the first node in this application.
  • the second node U1 is the second node in this application.
  • the third node U3 is the third node in this application.
  • the air interface between the second node U1 and the first node U2 includes a Uu interface.
  • the air interface between the second node U1 and the first node U2 includes a PC5 interface.
  • the air interface between the second node U1 and the first node U2 includes a side link (Sidelink).
  • the air interface between the second node U1 and the first node U2 includes a wireless interface between the relay node and the user equipment.
  • the air interface between the second node U1 and the first node U2 includes a wireless interface between user equipment and user equipment.
  • the air interface between the third node U3 and the first node U2 is a PC5 interface.
  • the air interface between the third node U3 and the first node U2 includes a secondary link.
  • the air interface between the third node U3 and the first node U2 includes a wireless interface between user equipment and user equipment.
  • the air interface between the third node U3 and the first node U2 includes a wireless interface between the user equipment and the relay node.
  • the air interface between the third node U3 and the second node U1 is a PC5 interface.
  • the air interface between the third node U3 and the second node U1 includes a secondary link.
  • the air interface between the third node U3 and the second node U1 includes a wireless interface between user equipment and user equipment.
  • the air interface between the third node U3 and the second node U1 includes a wireless interface between the user equipment and the relay node.
  • the first node in this application is a terminal.
  • the first node in this application is a car.
  • the first node in this application is a vehicle.
  • the first node in this application is an RSU (Road Side Unit, Road Side Unit).
  • the second node in this application is a terminal.
  • the second node in this application is a car.
  • the second node in this application is a vehicle.
  • the second node in this application is an RSU.
  • the third node in this application is a terminal.
  • the third node in this application is a car.
  • the third node in this application is a vehicle.
  • the third node in this application is an RSU.
  • the sender of the first signaling and the sender of the first information block are different.
  • the sender of the first signaling and the sender of the first information block are different user equipments.
  • the identity of the sender of the first signaling is different from the identity of the sender of the first information block.
  • the identifier includes C (Cell)-RNTI (Radio Network Temporary Identifier, radio network temporary identifier).
  • C Cell
  • RTI Radio Network Temporary Identifier, radio network temporary identifier
  • the identifier includes IMSI (International Mobile Subscriber Identification Number, International Mobile Subscriber Identification Number).
  • the identifier includes S-TMSI (SAE Temporary Mobile Subscriber Identity, SAE Temporary Mobile Subscriber Identity).
  • S-TMSI SAE Temporary Mobile Subscriber Identity, SAE Temporary Mobile Subscriber Identity
  • the target recipient of the first signal includes a sender of the first signaling.
  • the target recipient of the first signal does not include the sender of the first signaling.
  • the target recipient of the first signal includes the sender of the first information block.
  • the target recipient of the first signal does not include the sender of the first information block.
  • the target receiver of the first signal includes the sender of the first signaling and the sender of the first information block.
  • the target receiver of the first signal does not include the sender of the first signaling and the sender of the first information block.
  • the first information block overturns the reservation of the second resource block by the first signaling.
  • the channel sensing is not performed in the second resource block; when the first node U2 When the node U2 does not detect the first information block in the first time window, the channel sensing is performed in the second resource block.
  • the first signaling includes configuration information of the first channel, and the time-frequency resource occupied by the first channel includes the second resource block.
  • the channel sensing is used to determine a first measurement value set
  • the first measurement value set includes a positive integer number of measurement values
  • the first measurement value set is used to determine the first resource block Whether it belongs to the first candidate resource block set.
  • the steps in block F51 in FIG. 5 exist, and the second node U1 sends the first information block in the first time window.
  • the step in block F51 in FIG. 5 does not exist, and the second node U1 abandons sending the first information block in the first time window.
  • the second node in this application decides on its own whether to send the first information block in the first time window.
  • the third node in this application detects the first information block in the first time window, the third node gives up sending wireless signals in the second resource block .
  • the step in block F53 in FIG. 5 does not exist.
  • the third node in this application when the third node in this application does not detect the first information block in the first time window, the third node sends a wireless signal in the second resource block .
  • the third node sends the second signal in the second resource block.
  • the third node in this application when the third node in this application does not detect the first information block in the first time window, the third node decides on its own whether to be in the second resource block Send wireless signals.
  • the second signal is a wireless signal.
  • the second signal is a baseband signal.
  • the second signal carries a TB (Transport Block).
  • the second signal carries CSI (Channel-State Information, channel state information).
  • the second signal carries SCI (Sidelink Control Information, secondary link control information).
  • the second signal is sent in the first channel.
  • the second signal is transmitted on the side link (SideLink).
  • the second signal is transmitted through the PC5 interface.
  • the second signal is transmitted on PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel).
  • PUSCH Physical Uplink Shared Channel, Physical Uplink Shared Channel
  • the second signal is transmitted on the PSSCH.
  • the second signal is transmitted on the PSCCH.
  • the second signal is transmitted on PSSCH and PSCCH.
  • the first signaling includes scheduling information of the second signal
  • the scheduling information of the second signal includes ⁇ occupied time domain resources, occupied frequency domain resources, MCS (Modulation and Coding Scheme, DMRS configuration information, HARQ (Hybrid Automatic Repeat reQuest, hybrid automatic repeat request) process number (process number), RV (Redundancy Version, redundancy version), NDI (New Data Indicator, new Data indication) ⁇ one or more.
  • the target receiver of the second signal is not the first node in this application.
  • the identification of the target recipient of the second signal is different from the identification of the first node in this application.
  • Embodiment 6 illustrates a flow chart of wireless transmission according to an embodiment of the present application, as shown in FIG. 6.
  • the second node U4 and the first node U5 are respectively communication nodes transmitted through the air interface.
  • the steps in blocks F61 to F64 are optional.
  • the second node U4 sends the first signaling in step S641; sends the first information block in the first time window in step S6401; sends the second signal in the second resource block in step S6402; in step S6403, The first signal is received in the first subset of candidate resource blocks.
  • the first node U5 receives the first signaling in step S651; performs channel sensing and monitors the first information block in the first time window in step S652; determines whether the first resource block belongs to the first candidate resource in step S653 Block set; in step S6501, a first candidate resource block subset is selected from the first candidate resource block set; in step S6502, a first signal is sent in the first candidate resource block subset.
  • the sender of the first signaling and the sender of the first information block are the same.
  • the sender of the first signaling and the sender of the first information block are the same user equipment.
  • the identity of the sender of the first signaling is the same as the identity of the sender of the first information block.
  • Embodiment 7 illustrates a schematic diagram of the first signaling according to an embodiment of the present application; as shown in FIG. 7.
  • the first signaling indicates that the first resource pool in this application is reserved.
  • the first signaling is unicast (Unicast) transmission.
  • the first signaling is transmitted by multicast (Groupcast).
  • the first signaling is broadcast (Broadcast) transmission.
  • the first signaling is physical layer signaling.
  • the first signaling is dynamic signaling.
  • the first signaling is layer 1 (L1) signaling.
  • the first signaling is layer 1 (L1) control signaling.
  • the first signaling includes SCI.
  • the first signaling includes one or more fields in an SCI.
  • the first signaling is transmitted on a side link (SideLink).
  • the first signaling is transmitted through the PC5 interface.
  • the sentence that the first signaling indicates that the first resource pool is reserved includes: the sender of the first signaling does not need to determine the first resource pool before sending wireless signals in the first resource pool Whether a resource pool can be used to send wireless signals.
  • the sentence indicating that the first resource pool is reserved by the first signaling includes: the first resource pool is reserved for the sender of the first signaling.
  • the sentence in which the first signaling indicates that the first resource pool is reserved includes: the first signaling includes a second information block, and the second information block in the first signaling Indicate the first resource pool; the second information block in the first signaling includes all or part of the information in the Resource reservation field.
  • the second information block includes all or part of the information in the Frequency resource location of initial transmission and retransmission field.
  • the second information block includes all or part of the information in the Resource block assignment and hopping resource allocation field.
  • Frequency resource location of initial transmission and retransmission domain refers to 3GPP TS36.212.
  • the first signaling explicitly indicates that the first resource pool is reserved.
  • the first signaling implicitly indicates that the first resource pool is reserved.
  • the first signaling is transmitted on PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel).
  • PUCCH Physical Uplink Control Channel, Physical Uplink Control Channel
  • the first signaling is transmitted on the PSCCH.
  • the first signaling is transmitted on the PSSCH.
  • Embodiment 8 illustrates a schematic diagram of the first information block according to an embodiment of the present application; as shown in FIG. 8.
  • the first information block indicates the second resource block in this application.
  • the first information block is unicast (Unicast) transmission.
  • the first information block is multicast (Groupcast) transmission.
  • the first information block is broadcast (Broadcast) transmission.
  • the first information block is carried by physical layer signaling.
  • the first information block is carried by dynamic signaling.
  • the first information block is carried by higher layer signaling.
  • the first information block is carried by layer 1 (L1) signaling.
  • the first information block is carried by layer 1 (L1) control signaling.
  • the first information block includes SCI.
  • the first information block includes one or more fields in an SCI.
  • the first information block includes all or part of information in one or more fields in an SCI.
  • the first information block is transmitted on a side link (SideLink).
  • SideLink side link
  • the first information block is transmitted through the PC5 interface.
  • the first information block is used for pre-emption.
  • the first information block is used for pre-emption of the second resource block.
  • the first information block includes all or part of the information in the Pre-emption indication field.
  • pre-emption indication field refers to 3GPP TS38.212.
  • the first information block includes all or part of the information of DCI Format 2_1.
  • the specific definition of the DCI Format 2_1 can be found in 3GPP TS38.212.
  • the first information block includes a DCI whose CRC is scrambled by INT-RNTI (Interruption Radio Network Temporary Identifier, Interruption Radio Network Temporary Identifier).
  • INT-RNTI Interruption Radio Network Temporary Identifier, Interruption Radio Network Temporary Identifier.
  • the first information block includes an SCI whose CRC is scrambled by INT-RNTI.
  • the first information block includes the SCI scrambled by the RNTI used for pre-emption and the CRC is exclusively used by the secondary link.
  • the first information block in the sentence indicating the second resource block includes: the first information block indicates that the second resource block is reserved.
  • the first information block indicating the second resource block in the sentence includes: the first information block indicating pre-emption used for the second resource block.
  • the first information block in the sentence indicating the second resource block includes: the first information block indicates that the target recipient of the first information block assumes that the second resource block does not address the Transmission of said target recipient of the first information block.
  • the first information block in the sentence indicating the second resource block includes: the first information block indicates that the target receiver of the first signaling in this application assumes that the second resource block There is no transmission for the target recipient of the first signaling.
  • the first information block in the sentence indicating the second resource block includes: the first information block instructs the sender of the first signaling in this application to give up in the second resource block Send wireless signals.
  • the first information block in the sentence indicating the second resource block includes: the first information block indicates that the sender of the first signaling in this application sends in the second resource block Before wireless signals, it is necessary to determine whether the second resource block can be used to send wireless signals.
  • the first information block in the sentence indicating the second resource block includes: the first information block overturns the reservation of the second resource block by the first signaling in this application.
  • the first information block in the sentence indicates that the second resource block includes: the first information block invalidates the reservation of the second resource block by the first signaling in this application.
  • the first information block in the sentence indicating the second resource block includes: the first signaling in this application indicates that the second resource block is reserved for the first transmission block, and the An information block indicates that the second resource block is reserved for a second transmission block, and the priority of the second transmission block (Priority) is higher than the priority of the first transmission block.
  • the priority includes a QoS (Quality of Service, quality of service) level.
  • QoS Quality of Service, quality of service
  • the priority includes PPPP (ProSe Per-Packet Priority).
  • the priority includes 5QI (5G QoS Indicator, fifth-generation quality of service indicator).
  • the priority includes PQI (PC5 QoS Indicator, PC5 QoS indicator).
  • the first resource pool in this application includes multiple resource blocks; the second resource block is one of the multiple resource blocks; the first information block indicates the multiple resource blocks; Only the second resource block in the resource blocks.
  • the first information block does not indicate other resource blocks other than the second resource block.
  • the first signaling in this application indicates a first priority
  • the first information block indicates a second priority
  • the second priority is higher than the first priority
  • the first information block is transmitted on PUCCH.
  • the first information block is transmitted on the PSCCH.
  • the first information block is transmitted on the PSSCH.
  • Embodiment 9 illustrates a schematic diagram of a given resource block according to an embodiment of the present application; as shown in FIG. 9.
  • the given resource block is the first resource block in this application, the second resource block in this application, and the first candidate resource block set in this application includes the positive An integer number of candidate resource blocks and any one of the S2 resource blocks in Embodiment 1.
  • the given resource block includes time-frequency resources.
  • the given resource block includes frequency domain resources.
  • the given resource block includes a positive integer number of REs (Resource Elements, resource particles).
  • one RE occupies one multi-carrier symbol in the time domain and one sub-carrier in the frequency domain.
  • the given resource block includes a positive integer number of subcarriers in the frequency domain.
  • the given resource block includes a positive integer number of PRBs in the frequency domain.
  • the given resource block includes a positive integer number of RBs in the frequency domain.
  • the given resource block includes a positive integer number of sub-channels.
  • the given resource block includes a positive integer number of multi-carrier symbols in the time domain.
  • the given resource block includes a positive integer number of slots in the time domain.
  • the given resource block includes one slot in the time domain.
  • the given resource block includes a positive integer number of sub-frames in the time domain.
  • the given resource block includes one subframe in the time domain.
  • the first candidate resource block set includes a positive integer number of candidate resource blocks.
  • the number of REs included in two candidate resource blocks in the first candidate resource block set is not equal.
  • the number of REs included in any two candidate resource blocks in the first candidate resource block set is equal.
  • the given resource block is the first resource block.
  • the given resource block is the second resource block.
  • the given resource block is any candidate resource block in the first candidate resource block set.
  • the given resource block is any one of the S2 resource blocks.
  • Embodiment 10 illustrates a schematic diagram of the first resource pool according to an embodiment of the present application; as shown in FIG. 10.
  • the first resource pool includes time-frequency resources.
  • the first resource pool includes frequency domain resources.
  • the first resource pool includes a positive integer number of REs.
  • the first resource pool includes a positive integer number of subcarriers.
  • the first resource pool includes a positive integer number of PRBs.
  • the first resource pool includes a positive integer number of RBs.
  • the first resource pool includes a positive integer number of sub-channels.
  • the first resource pool includes a positive integer number of multi-carrier symbols.
  • the first resource pool includes a positive integer number of slots.
  • the first resource pool includes a positive integer number of discontinuous time slots.
  • the first resource pool includes a positive integer number of sub-frames.
  • the first resource pool appears multiple times in the time domain.
  • the first resource pool only appears once in the time domain.
  • the non-orthogonal relationship between the second resource block and the first resource pool in the sentence includes: the second resource block belongs to the first resource pool.
  • the non-orthogonal between the second resource block and the first resource pool in the sentence includes: the second resource block overlaps the first resource pool.
  • the non-orthogonal relationship between the second resource block and the first resource pool in the sentence includes: the first resource pool only includes frequency domain resources, and the frequency domain resources occupied by the second resource block Belongs to the first resource pool.
  • the non-orthogonal relationship between the second resource block and the first resource pool in the sentence includes: the first resource pool only includes frequency domain resources, and the frequency domain resources occupied by the second resource block Overlaps with the first resource pool.
  • the non-orthogonal relationship between the second resource block and the first resource pool in the sentence includes: the first resource pool includes time-frequency resources, and the time-frequency resources occupied by the second resource block belong to The first resource pool.
  • the non-orthogonal relationship between the second resource block and the first resource pool in the sentence includes: the first resource pool includes time-frequency resources, and the time-domain resources occupied by the second resource block belong to The time domain resources occupied by the first resource pool, the frequency domain resources occupied by the second resource block and the frequency domain resources occupied by the first resource pool overlap.
  • the sentence that the first resource block and the first resource pool are not orthogonal includes: the first resource block belongs to the first resource pool.
  • the non-orthogonal relationship between the first resource block and the first resource pool in the sentence includes: the first resource block and the first resource pool overlap.
  • the non-orthogonal relationship between the first resource block and the first resource pool in the sentence includes: the first resource pool only includes frequency domain resources, and the frequency domain resources occupied by the first resource block Belongs to the first resource pool.
  • the non-orthogonal relationship between the first resource block and the first resource pool in the sentence includes: the first resource pool only includes frequency domain resources, and the frequency domain resources occupied by the first resource block Overlaps with the first resource pool.
  • the non-orthogonality of the first resource block and the first resource pool in the sentence includes: the first resource pool includes time-frequency resources, and the time-frequency resources occupied by the first resource block belong to The first resource pool.
  • the non-orthogonal relationship between the first resource block and the first resource pool in the sentence includes: the first resource pool includes time-frequency resources, and the time-domain resources occupied by the first resource block belong to The time domain resources occupied by the first resource pool, the frequency domain resources occupied by the first resource block and the frequency domain resources occupied by the first resource pool overlap.
  • the frequency domain resources occupied by the first resource block and the frequency domain resources occupied by the second resource block overlap.
  • Embodiment 11 illustrates a schematic diagram of whether channel sensing is performed in the second resource block and whether the first information block is detected in the first time window according to an embodiment of the present application; as shown in FIG. 11.
  • the channel sensing is not performed in the second resource block; when When the first node does not detect the first information block in the first time window, the channel sensing is performed in the second resource block.
  • Embodiment 12 illustrates a schematic diagram of the first signaling including the configuration information of the first channel according to an embodiment of the present application; as shown in FIG. 12.
  • the first signaling includes configuration information of the first channel, and the time-frequency resource occupied by the first channel includes the second resource block in this application.
  • the first channel is a physical layer channel.
  • the first channel is a physical layer shared channel.
  • the first channel is a physical layer control channel.
  • the first channel is a PSSCH.
  • the first channel is a PSCCH.
  • the configuration information of the first channel includes ⁇ occupied time domain resources, occupied frequency domain resources, MCS, DMRS configuration information, HARQ process number, RV, NDI ⁇ One or more of.
  • the first channel carries one TB.
  • the first channel carries SCI.
  • the time-frequency resource occupied by the first channel is the second resource block.
  • the first signaling indicates the second resource block.
  • the first signaling explicitly indicates the second resource block.
  • the first signaling implicitly indicates the second resource block.
  • the first signaling and the second resource block belong to the same slot in the time domain.
  • the first signaling and the second resource block belong to different time slots (slots) in the time domain.
  • whether the channel sensing in the sentence is performed in the second resource block includes: whether the channel sensing is performed in the first channel.
  • the channel sensing when the channel sensing is performed in the second resource block, the channel sensing is performed in the first channel; when the channel sensing is not performed in the second resource block When executed, the channel sensing is not executed in the first channel.
  • Embodiment 13 illustrates a schematic diagram of channel sensing and the first measurement value set according to an embodiment of the present application; as shown in FIG. 13.
  • the channel sensing is used to determine the first measurement value set
  • the first measurement value set includes a positive integer number of measurement values
  • the first measurement value set is used to determine the first measurement value set. Whether a resource block belongs to the first candidate resource block set.
  • the result of the channel sensing includes the first measurement value set.
  • the first measurement value set includes multiple measurement values.
  • the first measurement value is a linear average of the multiple measurement values.
  • the first measurement value is greater than a first threshold, it is determined that the first resource block does not belong to the first candidate resource block set; when the first measurement value is not greater than the first threshold, it is determined that the The first resource block belongs to the first candidate resource block set.
  • the first resource block when one of the multiple measurement values is greater than the first threshold, it is determined that the first resource block does not belong to the first candidate resource block set; when the S1 When any one of the two measurement values is not greater than the first threshold, it is determined that the first resource block belongs to the first candidate resource block set.
  • the first measurement value set includes only one measurement value.
  • the one measurement value in the first measurement value set is greater than a first threshold, it is determined that the first resource block does not belong to the first candidate resource block set;
  • the one measurement value in the first measurement value set is not greater than the first threshold, it is determined that the first resource block belongs to the first candidate resource block set.
  • any measurement value in the first measurement value set is RSRP.
  • one measurement value in the first measurement value set is RSRP.
  • one measurement value in the first measurement value set is L1 (layer 1)-RSRP.
  • one measurement value in the first measurement value set is L3 (Layer 3)-RSRP.
  • one measurement value in the first measurement value set is PSSCH-RSRP.
  • one measurement value in the first measurement value set is PSCCH-RSRP.
  • one measurement value in the first measurement value set is RSSI (Received Signal Strength Indicator, received signal strength indicator).
  • one measurement value in the first measurement value set is CQI (Channel Quality Indicator, channel quality indicator).
  • one measurement value in the first measurement value set is RSRQ (Reference Signal Received Quality, reference signal received quality).
  • the unit of any measurement value in the first measurement value set is dBm.
  • the unit of any measurement value in the first measurement value set is Watt.
  • whether the channel sensing of the sentence is performed in the second resource block includes: whether the first measurement value set is related to the second resource block.
  • whether the channel sensing of the sentence is performed in the second resource block includes: whether the measurement on the second resource block is used to determine the first measurement value set.
  • whether the channel sensing of the sentence is performed in the second resource block includes: whether the measurement of the reference signal in the second resource block is used to determine the first measurement value set .
  • whether the channel sensing in the sentence is performed in the second resource block includes: whether the RSRP of the DMRS in the second resource block is used to determine the first measurement value set.
  • whether the channel sensing in the sentence is performed in the second resource block includes: whether the first measurement value set includes the RSRP of the DMRS in the second resource block.
  • the first measurement value set has nothing to do with the second resource block; when the channel sensing is in the second resource block When is executed, the measurement for the second resource block is used to determine the first measurement value set.
  • the measurement of the reference signal in the second resource block is used to determine the first measurement value set.
  • the RSRP of the DMRS in the second resource block is used to determine the first measurement value set.
  • the first measurement value set when the channel sensing is performed in the second resource block, includes the RSRP of the DMRS in the second resource block.
  • the first measurement value set has nothing to do with the first channel in this application; when the channel sensing is in the first channel When executed in the second resource block, the measurement for the first channel is used to determine the first measurement value set.
  • the measurement of the reference signal for the first channel is used to determine the first measurement value set.
  • the RSRP of the DMRS of the first channel is used to determine the first measurement value set.
  • the first measurement value set when the channel sensing is performed in the second resource block, includes the RSRP of the DMRS of the first channel.
  • the channel sensing is performed on S1 channels, and S1 is a positive integer; the time-frequency resources occupied by the S1 channels all belong to all the resources in the first resource pool in this application. Describe the part in the first time window.
  • the first measurement value set includes S1 measurement values, and the measurements for the S1 channels are respectively used to determine the S1 measurement values.
  • the first measurement value set includes S1 measurement values, and the S1 measurement values are RSRPs for the DRMS of the S1 channels.
  • the first measurement value set includes 1 measurement value
  • the measurement for the S1 channel is used to determine the 1 measurement value in the first measurement value set .
  • the first measurement value set includes 1 measurement value
  • the 1 measurement value in the first measurement value set is the RSRP of the DMRS in the S1 channel.
  • the first measurement value set includes 1 measurement value
  • the 1 measurement value in the first measurement value set is the RSRP of the DMRS in the S1 channels. Linear average.
  • Embodiment 14 illustrates a schematic diagram of the first candidate resource block set and the first candidate resource block subset according to an embodiment of the present application; as shown in FIG. 14.
  • the first node in this application selects the first subset of candidate resource blocks in the first candidate resource block set, and sends this application in the first subset of candidate resource blocks
  • the first candidate resource block set includes M0 candidate resource blocks, and M0 is a positive integer; the first candidate resource block subset includes M candidate resource blocks in the M0 candidate resource blocks; M is not greater than the Positive integer of M0.
  • the indexes of the M0 candidate resource blocks are #0, ..., #M0-1, respectively.
  • the M0 is greater than 1.
  • the M0 is equal to 1.
  • the M is smaller than the M0.
  • the M is equal to the M0.
  • the M is greater than 1.
  • the M is equal to 1.
  • the first node selects the first candidate resource block subset from the first candidate resource block set by itself.
  • the first node randomly selects the first candidate resource block subset from the first candidate resource block set.
  • the first subset of candidate resource blocks is composed of the M candidate resource blocks.
  • the M0 candidate resource blocks correspond to the M0 measurement quantities in a one-to-one correspondence.
  • the first candidate resource block subset is composed of M candidate resource blocks corresponding to the lowest measurement quantity in the first candidate resource block set.
  • the M0 is greater than 1; the first node randomly selects the first subset of candidate resource blocks from M1 candidate resource blocks, and M1 is less than the M0 and greater than the A positive integer of M; the M1 candidate resource blocks are composed of M1 candidate resource blocks corresponding to the lowest measurement amount in the first candidate resource block set.
  • the M0 measurement quantities are RSSI respectively.
  • the M0 measurement quantities are RSRP respectively.
  • the first signal is a wireless signal.
  • the first signal is a baseband signal.
  • the first signal is broadcast (Broadcast) transmission.
  • the first signal is multicast (Groupcast) transmission.
  • the first signal is unicast (Unicast) transmission.
  • the first signal carries one TB.
  • the first signal carries CSI.
  • the first signal carries SCI.
  • the first signal is transmitted on a side link (SideLink).
  • SideLink side link
  • the first signal is transmitted through the PC5 interface.
  • the first signal is transmitted on PUSCH.
  • the first signal is transmitted on the PSSCH.
  • the first signal is transmitted on the PSCCH.
  • the first signal is transmitted on PSSCH and PSCCH.
  • Embodiment 15 illustrates a structural block diagram of a processing apparatus used in a first node device according to an embodiment of the present application; as shown in FIG. 15.
  • the processing device 1500 in the first node device includes a first receiver 1501 and a first processor 1502.
  • the first receiver 1501 receives the first signaling, performs channel sensing in the first time window, and monitors the first information block in the first time window; the first processor 1502 determines the first signal Whether the resource block belongs to the first candidate resource block set.
  • the first signaling indicates that the first resource pool is reserved; the first information block indicates the second resource block; the first resource block and the first resource pool are not orthogonal, The second resource block and the first resource pool are not orthogonal, the second resource block is located within the first time window, and the first resource block is located outside the first time window;
  • the result of the channel sensing is used to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block and whether it is in the first time window It is detected that the first information block is relevant.
  • the first information block overturns the reservation of the second resource block by the first signaling.
  • the channel sensing is not performed in the second resource block; when it is not detected in the first time window When the first information block is reached, the channel sensing is performed in the second resource block.
  • the first signaling includes configuration information of the first channel, and the time-frequency resource occupied by the first channel includes the second resource block.
  • the channel sensing is used to determine a first measurement value set
  • the first measurement value set includes a positive integer number of measurement values
  • the first measurement value set is used to determine the first resource block Whether it belongs to the first candidate resource block set.
  • the first processor 1502 selects a first subset of candidate resource blocks in the first candidate resource block set, and sends a first signal in the first subset of candidate resource blocks; wherein The first candidate resource block subset is a subset of the first candidate resource block set.
  • the first node device is user equipment.
  • the first node device is a relay node device.
  • the first receiver 1501 includes ⁇ antenna 452, receiver 454, receiving processor 456, multi-antenna receiving processor 458, controller/processor 459, memory 460, data source in the fourth embodiment At least one of 467 ⁇ .
  • the first processor 1502 includes ⁇ antenna 452, transmitter 454, transmission processor 468, multi-antenna transmission processor 457, controller/processor 459, memory 460, data source in the fourth embodiment At least one of 467 ⁇ .
  • Embodiment 16 illustrates a structural block diagram of a processing device used in a second node device according to an embodiment of the present application; as shown in FIG. 16.
  • the processing device 1600 in the second node device includes a second processor 1601.
  • the second processor 1601 sends the first information block in the first time window, or abandons sending the first information block in the first time window.
  • the first information block indicates a second resource block, the second resource block is located within the first time window, and the first resource block is located outside the first time window;
  • the signaling indicates that the first resource pool is reserved, the first resource block and the first resource pool are not orthogonal, and the second resource block and the first resource pool are not orthogonal;
  • the result of the channel sensing performed in the time window is used to determine whether the first resource block belongs to the first candidate resource block set, whether the channel sensing is performed in the second resource block and whether it is in the first resource block. It is relevant to send the first information block within a time window.
  • the first information block overturns the reservation of the second resource block by the first signaling.
  • the channel sensing when the executor of channel sensing detects the first information block in the first time window, the channel sensing is not performed in the second resource block; when the channel When the executor of sensing does not detect the first information block in the first time window, the channel sensing is performed in the second resource block.
  • the second processor 1601 receives the first signal in a first subset of candidate resource blocks; wherein, the first subset of candidate resource blocks is a subset of the first set of candidate resource blocks.
  • the second processor 1601 sends the first signaling.
  • the second processor 1601 sends a second signal in the second resource block; wherein, the second node device abandons sending the first information block in the first time window.
  • the second node device is user equipment.
  • the second node device is a relay node device.
  • the second processor 1601 includes ⁇ antenna 420, transmitter/receiver 418, transmit processor 416, receive processor 470, multi-antenna transmit processor 471, and multi-antenna receive processing in the fourth embodiment. At least one of the controller 472, the controller/processor 475, and the memory 476 ⁇ .
  • Embodiment 17 illustrates a structural block diagram of a processing apparatus used in a third node device according to an embodiment of the present application; as shown in FIG. 17.
  • the processing device 1700 in the third node device includes a third processor 1701.
  • the third processor 1701 sends the first signaling.
  • the first signaling indicates that the first resource pool is reserved; the first resource block and the first resource pool are not orthogonal, and the second resource block and the first resource pool are not orthogonal ,
  • the second resource block is located within a first time window, and the first resource block is located outside the first time window; the result of channel sensing performed in the first time window is used for judgment Whether the first resource block belongs to the first candidate resource block set; whether the channel sensing is performed in the second resource block and whether the channel sensing performer detects the first time window in the first time window An information block is related, and the first information block indicates the second resource block.
  • the first information block overturns the reservation of the second resource block by the first signaling.
  • the channel sensing when the executor of channel sensing detects the first information block in the first time window, the channel sensing is not performed in the second resource block; when the channel When the executor of sensing does not detect the first information block in the first time window, the channel sensing is performed in the second resource block.
  • the first signaling includes configuration information of the first channel, and the time-frequency resource occupied by the first channel includes the second resource block.
  • the third processor 1701 monitors the first information block; wherein, whether the third node device detects that the first information block is used to determine whether the third node device is in the The wireless signal is sent in the second resource block.
  • the third processor 1701 sends a second signal in the second resource block; wherein, the third node device does not detect the first information block in the first time window .
  • the third processor 1701 receives the first signal in a first subset of candidate resource blocks; wherein, the first subset of candidate resource blocks is a subset of the first set of candidate resource blocks.
  • the third node device is user equipment.
  • the third node device is a relay node device.
  • the third processor 1701 includes ⁇ antenna 420, transmitter/receiver 418, transmit processor 416, receive processor 470, multi-antenna transmit processor 471, and multi-antenna receive processing in the fourth embodiment. At least one of the controller 472, the controller/processor 475, and the memory 476 ⁇ .
  • 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 user equipment, terminal and UE in this application include, but are not limited to, drones, communication modules on drones, remote control aircraft, aircraft, small aircraft, mobile phones, tablets, notebooks, vehicle-mounted communication devices, wireless sensors, network cards, Internet of Things terminals, RFID terminals, NB-IOT terminals, MTC (Machine Type Communication) terminals, eMTC (enhanced MTC) terminals, data cards, internet cards, in-vehicle communication equipment, low-cost mobile phones, low-cost Cost of wireless communication equipment such as tablets.
  • drones communication modules on drones, remote control aircraft, aircraft, small aircraft, mobile phones, tablets, notebooks, vehicle-mounted communication devices, wireless sensors, network cards, Internet of Things terminals, RFID terminals, NB-IOT terminals, MTC (Machine Type Communication) terminals, eMTC (enhanced MTC) terminals, data cards, internet cards, in-vehicle communication equipment, low-cost mobile phones, low-cost Cost of wireless communication equipment such as tablets.
  • the base station or system equipment in this application includes, but is not limited to, macro cell base station, micro cell base station, home base station, relay base station, gNB (NR node B), NR node B, TRP (Transmitter Receiver Point), etc. wireless communication equipment.

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Abstract

本申请公开了一种被用于无线通信的节点中的方法和装置。第一节点接收第一信令；在第一时间窗中执行信道感知并监测第一信息块；判断第一资源块是否属于第一候选资源块集合。所述第一信令指示第一资源池被预留；所述第一信息块指示第二资源块；所述第一资源块和所述第二资源块均与所述第一资源池不正交，所述第二资源块和所述第一资源块分别在所述第一时间窗之内和之外；所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中检测到所述第一信息块有关。上述方法在信道感知中更准确的反应了不同类型的业务对资源的占用，提高了副链路的资源利用率。

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和副链路(Sidelink)相关的传输方法和装置。
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业务定义了4大应用场景组(Use Case Groups)，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次全会上已启动基于NR的V2X技术研究。
发明内容
在LTE(Long-term Evolution，长期演进)R(Release)13/14的V2X系统中，终端可以通过信道感知(Sensing)了解子信道(Subchannel)的占用情况，自行选择并预留时频资源用于PSCCH(Physical Sidelink Control Channel，物理副链路控制信道)以及PSSCH(Physical Sidelink Shared Channel，物理副链路共享信道)传输。和LTE V2X相比，NR V2X的一个显著的特征在于支持的业务更多样化，包括半静态业务和突发业务。不同业务对传输可靠性和延时的要求差别很大。不同的业务对V2X的信道感知，资源预留和资源选择提出了更复杂的要求。
针对上述问题，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，本申请的第一节点，第二节点和第三节点中的任一节点中的实施例和实施例中的特征可以应用到其他两个节点中。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。
本申请公开了一种被用于无线通信的第一节点中的方法，其特征在于，包括：
接收第一信令；
在第一时间窗中执行信道感知，并在所述第一时间窗中监测第一信息块；
判断第一资源块是否属于第一候选资源块集合；
其中，所述第一信令指示第一资源池被预留；所述第一信息块指示第二资源块；所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交，所述第二资源块位于所述第一时间窗之内，所述第一资源块位于所述第一时间窗之外；所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中检测到所述第一信息块有关。
作为一个实施例，本申请要解决的问题包括：在信道感知和资源选择过程中，如何对待不同类型的业务对时频资源的占用来优化资源利用率。上述方法通过区别对待半静态业务和突发业务对资源的占用，解决了这一问题。
作为一个实施例，上述方法的特质包括：所述第一信令以半静态的方式占用或预留了所述第一资源池中的资源，所述第一信息块以突发的方式占用或预留了所述第二资源块；所述第一节点在信道感知和资源选择中区别对待这两种资源占用。
作为一个实施例，上述方法的好处包括：更准确的反应了不同类型的业务对信道感知和资源选择的影响，提高了副链路上的资源利用率。
根据本申请的一个方面，其特征在于，所述第一信息块推翻所述第一信令对所述第二资源块的预留。
根据本申请的一个方面，其特征在于，当在所述第一时间窗中检测到所述第一信息块时，所述信道感知不在所述第二资源块中被执行；当在所述第一时间窗中未检测到所述第一信息块时，所述信道感知在所述第二资源块中被执行。
根据本申请的一个方面，其特征在于，所述第一信令包括第一信道的配置信息，所述第一信道所占用的时频资源包括所述第二资源块。
根据本申请的一个方面，其特征在于，所述信道感知被用于确定第一测量值集合，所述第一测量值集合包括正整数个测量值，所述第一测量值集合被用于判断所述第一资源块是否属于所述第一候选资源块集合。
根据本申请的一个方面，其特征在于，包括：
在所述第一候选资源块集合中选择第一候选资源块子集；
在所述第一候选资源块子集中发送第一信号；
其中，所述第一候选资源块子集是所述第一候选资源块集合的子集。
根据本申请的一个方面，其特征在于，所述第一节点是用户设备。
根据本申请的一个方面，其特征在于，所述第一节点是中继节点。
本申请公开了一种被用于无线通信的第二节点中的方法，其特征在于，包括：
在第一时间窗中发送第一信息块，或者，在所述第一时间窗中放弃发送所述第一信息块；
其中，所述第一信息块指示第二资源块，所述第二资源块位于所述第一时间窗之内，第一资源块位于所述第一时间窗之外；第一信令指示第一资源池被预留，所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中发送所述第一信息块有关。
根据本申请的一个方面，其特征在于，所述第一信息块推翻所述第一信令对所述第二资源块的预留。
根据本申请的一个方面，其特征在于，当所述信道感知的执行者在所述第一时间窗中检测到所述第一信息块时，所述信道感知不在所述第二资源块中被执行；当所述信道感知的执行者在所述第一时间窗中未检测到所述第一信息块时，所述信道感知在所述第二资源块中被执行。
根据本申请的一个方面，其特征在于，包括：
在第一候选资源块子集中接收第一信号；
其中，所述第一候选资源块子集是所述第一候选资源块集合的子集。
根据本申请的一个方面，其特征在于，包括：
发送所述第一信令。
根据本申请的一个方面，其特征在于，包括：
在所述第二资源块中发送第二信号；
其中，所述第二节点在所述第一时间窗中放弃发送所述第一信息块。
根据本申请的一个方面，其特征在于，所述第二节点是用户设备。
根据本申请的一个方面，其特征在于，所述第二节点是中继节点。
本申请公开了一种被用于无线通信的第三节点中的方法，其特征在于，包括：
发送第一信令；
其中，所述第一信令指示第一资源池被预留；第一资源块和所述第一资源池不正交，第二资源块和所述第一资源池不正交，所述第二资源块位于第一时间窗之内，所述第一资源块位于所述第一时间窗之外；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合；所述信道感知是否在所述第二资源块中被执行与所述信道感知的执行者是否在所述第一时间窗中检测到第一信息块有关，所述第一信息块指示 所述第二资源块。
根据本申请的一个方面，其特征在于，所述第一信息块推翻所述第一信令对所述第二资源块的预留。
根据本申请的一个方面，其特征在于，当所述信道感知的执行者在所述第一时间窗中检测到所述第一信息块时，所述信道感知不在所述第二资源块中被执行；当所述信道感知的执行者在所述第一时间窗中未检测到所述第一信息块时，所述信道感知在所述第二资源块中被执行。
根据本申请的一个方面，其特征在于，所述第一信令包括第一信道的配置信息，所述第一信道所占用的时频资源包括所述第二资源块。
根据本申请的一个方面，其特征在于，包括：
监测所述第一信息块；
其中，所述第三节点是否检测到所述第一信息块被用于确定所述第三节点是否在所述第二资源块中发送无线信号。
根据本申请的一个方面，其特征在于，包括：
在所述第二资源块中发送第二信号；
其中，所述第三节点在所述第一时间窗中未检测到所述第一信息块。
根据本申请的一个方面，其特征在于，包括：
在第一候选资源块子集中接收第一信号；
其中，所述第一候选资源块子集是所述第一候选资源块集合的子集。
根据本申请的一个方面，其特征在于，所述第三节点是用户设备。
根据本申请的一个方面，其特征在于，所述第三节点是中继节点。
本申请公开了一种被用于无线通信的第一节点设备，其特征在于，包括：
第一接收机，接收第一信令，在第一时间窗中执行信道感知，并在所述第一时间窗中监测第一信息块；
第一处理器，判断第一资源块是否属于第一候选资源块集合；
其中，所述第一信令指示第一资源池被预留；所述第一信息块指示第二资源块；所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交，所述第二资源块位于所述第一时间窗之内，所述第一资源块位于所述第一时间窗之外；所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中检测到所述第一信息块有关。
本申请公开了一种被用于无线通信的第二节点设备，其特征在于，包括：
第二处理器，在第一时间窗中发送第一信息块，或者，在所述第一时间窗中放弃发送所述第一信息块；
其中，所述第一信息块指示第二资源块，所述第二资源块位于所述第一时间窗之内，第一资源块位于所述第一时间窗之外；第一信令指示第一资源池被预留，所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中发送所述第一信息块有关。
本申请公开了一种被用于无线通信的第三节点设备，其特征在于，包括：
第三处理器，发送第一信令；
其中，所述第一信令指示第一资源池被预留；第一资源块和所述第一资源池不正交，第二资源块和所述第一资源池不正交，所述第二资源块位于第一时间窗之内，所述第一资源块位于所述第一时间窗之外；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合；所述信道感知是否在所述第二资源块中被执行与所述信道感知的执行者是否在所述第一时间窗中检测到第一信息块有关，所述第一信息块指示所述第二资源块。
作为一个实施例，和传统方案相比，本申请具备如下优势：
在信道感知和资源选择中更准确的反应了不同类型的业务对资源的占用和预留情况，提高了副链路上的资源利用率。
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节点的处理流程图；
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实施例的示意图；
图4示出了根据本申请的一个实施例的第一通信设备和第二通信设备的示意图；
图5示出了根据本申请的一个实施例的传输的流程图；
图6示出了根据本申请的一个实施例的传输的流程图；
图7示出了根据本申请的一个实施例的第一信令的示意图；
图8示出了根据本申请的一个实施例的第一信息块的示意图；
图9示出了根据本申请的一个实施例的给定资源块的示意图；
图10示出了根据本申请的一个实施例的第一资源池的示意图；
图11示出了根据本申请的一个实施例的信道感知是否在第二资源块中被执行与是否在第一时间窗中检测到第一信息块有关的示意图；
图12示出了根据本申请的一个实施例的第一信令包括第一信道的配置信息的示意图；
图13示出了根据本申请的一个实施例的信道感知和第一测量值集合的示意图；
图14示出了根据本申请的一个实施例的第一候选资源块集合和第一候选资源块子集的示意图；
图15示出了根据本申请的一个实施例的用于第一节点设备中的处理装置的结构框图；
图16示出了根据本申请的一个实施例的用于第二节点中设备的处理装置的结构框图；
图17示出了根据本申请的一个实施例的用于第三节点中设备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节点的处理流程图，如附图1所示。在附图1所示的100中，每个方框代表一个步骤。特别的，方框中的步骤的顺序不代表各个步骤之间的特定的时间先后关系。
在实施例1中，本申请中的所述第一节点在步骤101中接收第一信令；在步骤102中在第一时间窗中执行信道感知，并在所述第一时间窗中监测第一信息块；在步骤103中判断第一资源块是否属于第一候选资源块集合。其中，所述第一信令指示第一资源池被预留；所述第一信息块指示第二资源块；所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交，所述第二资源块位于所述第一时间窗之内，所述第一资源块位于所述第一时间窗之外；所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中检测到所述第一信息块有关。
作为一个实施例，所述监测是指基于能量检测的接收，即在所述第一时间窗中感知(Sense)无线信号的能量并平均以获得接收能量。如果所述接收能量大于第二给定阈值，则判断在所 述第一时间窗中检测到所述第一信息块；否则判断在所述第一时间窗中未检测到所述第一信息块。
作为一个实施例，所述监测是指相干接收，即在所述第一时间窗中进行相干接收，并测量所述相干接收后得到的信号的能量。如果所述所述相干接收后得到的信号的能量大于第一给定阈值，则判断在所述第一时间窗中检测到所述第一信息块；否则判断在所述第一时间窗中未检测到所述第一信息块。
作为一个实施例，所述监测是指相干接收，即在所述第一时间窗中进行相干接收，并测量所述相干接收后得到的信号的能量。如果所述所述相干接收后得到的信号的能量大于第一给定阈值，则判断检测到一个给定信令，如果所述给定信令携带所述第一信息块，则判断检测到所述第一信息块；如果所述所述相干接收后得到的信号的能量不大于所述第一给定阈值或者所述给定信令不携带所述第一信息块，否则判断未检测到所述第一信息块。
作为一个实施例，所述监测是指盲检测，即在所述第一时间窗中接收信号并执行译码操作，如果根据CRC(Cyclic Redundancy Check，循环冗余校验)比特确定译码正确，则判断在所述第一时间窗中检测到所述第一信息块；否则判断在所述第一时间窗中未检测到所述第一信息块。
作为一个实施例，所述监测是指盲检测，即在所述第一时间窗中接收信号并执行译码操作，如果根据CRC比特确定译码正确，则判断检测到一个给定信令，如果所述给定信令携带所述第一信息块，则判断检测到所述第一信息块；如果根据CRC比特确定译码错误或者所述给定信令不携带所述第一信息块，否则判断未检测到所述第一信息块。
作为一个实施例，所述第一时间窗属于感知时间窗(sensing window)。
作为一个实施例，所述第一时间窗是一个连续的时间段。
作为一个实施例，所述第一时间窗包括正整数个时隙(Slot)。
作为一个实施例，所述第一时间窗包括正整数个连续的时隙(Slot)。
作为一个实施例，所述第一时间窗包括正整数个微时隙(Sub-Slot)。
作为一个实施例，所述第一时间窗包括正整数个子帧(subframe)。
作为一个实施例，所述第一时间窗包括正整数个多载波符号。
作为一个实施例，所述多载波符号是OFDM(Orthogonal Frequency Division Multiplexing，正交频分复用)符号。
作为一个实施例，所述多载波符号是SC-FDMA(Single Carrier-Frequency Division Multiple Access，单载波频分多址接入)符号。
作为一个实施例，所述多载波符号是DFT-S-OFDM(Discrete Fourier Transform Spread OFDM，离散傅里叶变化正交频分复用)符号。
作为一个实施例，所述第一资源块在时域晚于所述第二资源块。
作为一个实施例，所述第一资源块的起始时刻晚于所述第二资源块的结束时刻。
作为一个实施例，所述信道感知包括sensing。
作为一个实施例，所述信道感知包括能量检测，即感知(Sense)无线信号的能量并平均以获得平均接收能量。
作为一个实施例，所述信道感知包括功率检测，即感知(Sense)无线信号的功率并平均以获得平均接收功率。
作为一个实施例，所述信道感知包括相干检测，即进行相干接收，并测量所述相干接收后得到的信号的平均能量。
作为一个实施例，所述信道感知包括相干检测，即进行相干接收，并测量所述相干接收后得到的信号的平均功率。
作为一个实施例，所述信道感知包括针对PSSCH的DMRS(DeModulation Reference Signals，解调参考信号)的RSRP(Reference Signal Received Power，参考信号接收功率)的测量。
作为一个实施例，所述信道感知包括针对PSCCH的DMRS的RSRP的测量。
作为一个实施例，所述信道感知的结果的单位是dBm(毫分贝)。
作为一个实施例，所述信道感知的结果的单位是瓦(Watt)。
作为一个实施例，所述信道感知的结果包括：所述第一时间窗中的PSSCH的DMRS的RSRP。
作为一个实施例，所述信道感知的结果包括：所述第一时间窗中的PSCCH的DMRS的RSRP。
作为一个实施例，所述信道感知在所述第一资源池位于所述第一时间窗中的部分被执行。
作为一个实施例，所述信道感知在S1个信道上被执行，S1是大于1的正整数；所述S1个信道所占用的时频资源均属于所述第一资源池位于所述第一时间窗中的部分。
作为一个实施例，所述信道感知在S1个信道上被执行，S1是大于1的正整数；所述S1个信道所占用的频域资源均属于所述第一资源池，所述S1个信道所占用的时域资源均属于所述第一时间窗。
作为一个实施例，所述句子所述信道感知是否在所述第二资源块中被执行包括：所述信道感知在所述第一时间窗中的S1个信道上被执行，S1是正整数；所述S1个信道中是否存在一个信道所占用的时频资源包括所述第二资源块。
作为一个实施例，所述S1个信道中的任一信道是一个物理层信道。
作为一个实施例，所述S1个信道中的任一信道是一个物理层共享信道。
作为一个实施例，所述S1个信道包括一个物理层共享信道。
作为一个实施例，所述S1个信道中的任一信道是一个PSSCH。
作为一个实施例，所述S1个信道包括一个PSSCH。
作为一个实施例，所述S1个信道包括一个物理层控制信道。
作为一个实施例，所述S1个信道包括一个PSCCH。
作为一个实施例，所述信道感知在S2个资源块中被执行，S2是大于1的正整数；所述S2个资源块所占用的时频资源均属于所述第一资源池位于所述第一时间窗中的部分。
作为一个实施例，所述信道感知在S2个资源块中被执行，S2是大于1的正整数；所述S2个资源块所占用的频域资源均属于所述第一资源池，所述S2个资源块所占用的时域资源仅属于所述第一时间窗。
作为一个实施例，所述句子所述信道感知是否在所述第二资源块中被执行包括：所述信道感知在所述第一时间窗中的S2个资源块上被执行，S2是正整数；所述S2个资源块是否包括所述第二资源块。
作为一个实施例，所述信道感知在所述第一时间窗中的S3个子信道(sub-channel)中被执行，S3是正整数；所述S3个子信道所占用的频域资源均属于所述第一资源池。
作为一个实施例，所述句子所述信道感知是否在所述第二资源块中被执行包括：所述信道感知在所述第一时间窗中的S3个子信道(sub-channel)中被执行，S3是正整数；所述S3个子信道是否包括所述第二资源块所占用的频域资源。
作为一个实施例，一个子信道(sub-channel)在频域包括正整数个PRB(Physical resource block，物理资源块)。
作为一个实施例，一个子信道(sub-channel)在频域包括正整数个RB(Resource block，物理资源块)。
作为一个实施例，所述句子所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合包括：所述信道感知被用于确定第一测量值集合，所述第一测量值集合包括正整数个测量值，所述第一测量值集合被用于判断所述第一资源块是否属于所述第一候选资源块集合。
作为一个实施例，所述句子所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合包括：所述信道感知被用于确定正整数个RSRP，所述正整数个RSRP被用于判断所述第一资源块是否属于所述第一候选资源块集合。
作为一个实施例，所述句子所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合包括：所述信道感知被用于确定第一RSRP，所述第一RSRP被用于判断所述第一资源块是否属于所述第一候选资源块集合。
作为一个实施例，所述第二资源块在时域属于所述第一时间窗，所述第一资源块在时域晚于所述第一时间窗。
作为一个实施例，所述第二资源块的结束时刻不晚于所述第一时间窗的结束时刻，所述第二资源块的起始时刻不早于所述第一时间窗的起始时刻。
作为一个实施例，所述第一资源块的起始时刻不早于所述第一时间窗的结束时刻。
作为一个实施例，所述第一资源块的起始时刻晚于所述第一时间窗的结束时刻。
实施例2
实施例2示例了根据本申请的一个实施例的网络架构的示意图，如附图2所示。
附图2说明了LTE(Long-Term Evolution，长期演进),LTE-A(Long-Term Evolution Advanced，增强长期演进)及未来5G系统的网络架构200。LTE,LTE-A及未来5G系统的网络架构200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)201，一个与UE201进行副链路(Sidelink)通信的UE241，NG-RAN(下一代无线接入网络)202，5G-CN(5G-CoreNetwork，5G核心网)/EPC(Evolved Packet Core，演进分组核心)210，HSS(Home Subscriber Server，归属签约用户服务器)220和因特网服务230。EPS200可与其它接入网络互连，但为了简单未展示这些实体/接口。如附图2所示，EPS200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。NG-RAN202包括NR(New Radio，新无线)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X2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(发送接收点)或某种其它合适术语。gNB203为UE201提供对5G-CN/EPC210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、窄带物理网设备、机器类型通信设备、陆地交通工具、汽车、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、客户端或某个其它合适术语。gNB203通过S1接口连接到5G-CN/EPC210。5G-CN/EPC210包括MME(Mobility Management Entity,移动性管理实体)/AMF(Authentication Management Field,鉴权管理域)/UPF(User Plane Function，用户平面功能)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5G-CN/EPC210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)和包交换(Packet switching)服务。
作为一个实施例，本申请中的所述第一节点包括所述UE201。
作为一个实施例，本申请中的所述第一节点包括所述UE241。
作为一个实施例，本申请中的所述第二节点包括所述UE201。
作为一个实施例，本申请中的所述第二节点包括所述UE241。
作为一个实施例，本申请中的所述第三节点包括所述UE241。
作为一个实施例，本申请中的所述第三节点包括所述UE201。
作为一个实施例，所述UE201与所述gNB203之间的空中接口是Uu接口。
作为一个实施例，所述UE201与所述gNB203之间的无线链路是蜂窝网链路。
作为一个实施例，所述UE201与所述UE241之间的空中接口是PC5接口。
作为一个实施例，所述UE201与所述UE241之间的无线链路是副链路(Sidelink)。
作为一个实施例，本申请中的所述第一节点是所述gNB203覆盖内的一个终端。
作为一个实施例，本申请中的所述第一节点是所述gNB203覆盖外的一个终端。
作为一个实施例，本申请中的所述第二节点是所述gNB203覆盖内的一个终端。
作为一个实施例，本申请中的所述第二节点是所述gNB203覆盖外的一个终端。
作为一个实施例，本申请中的所述第三节点是所述gNB203覆盖内的一个终端。
作为一个实施例，本申请中的所述第三节点是所述gNB203覆盖外的一个终端。
作为一个实施例，所述UE201和所述UE241之间支持单播(Unicast)传输。
作为一个实施例，所述UE201和所述UE241之间支持广播(Broadcast)传输。
作为一个实施例，所述UE201和所述UE241之间支持组播(Groupcast)传输。
作为一个实施例，本申请中的所述第一信令的发送者包括所述UE201。
作为一个实施例，本申请中的所述第一信令的接收者包括所述UE241。
作为一个实施例，本申请中的所述第一信令的发送者包括所述UE241。
作为一个实施例，本申请中的所述第一信令的接收者包括所述UE201。
作为一个实施例，本申请中的所述信道感知的执行者包括所述UE201。
作为一个实施例，本申请中的所述信道感知的执行者包括所述UE241。
实施例3
实施例3示例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实施例的示意图，如附图3所示。
附图3是说明用于用户平面和控制平面的无线电协议架构的实施例的示意图，附图3用三个层展示用于UE和gNB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UE与gNB之间的链路。在用户平面中，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，这些子层终止于网络侧上的gNB处。虽然未图示，但UE可具有在L2层305之上的若干协议层，包括终止于网络侧上的P-GW213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。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还提供用于上层数据包的标头压缩以减少无线电发射开销，通过加密数据包而提供安全性，以及提供gNB之间的对UE的越区移交支持。RLC子层303提供上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(Hybrid Automatic Repeat reQuest，混合自动重传请求)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UE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。在控制平面中，用于UE和gNB的无线电协议架构对于物理层301和L2层305来说大体上相同，但没有用于控制平面的标头压缩功能。控制平面还包括层3(L3层)中的RRC(Radio Resource Control，无线电资源控制)子层306。RRC子层306负责获得无线电资源(即，无线电承载)且使用gNB与UE之间的RRC信令来配置下部层。
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节点。
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节点。
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三节点。
作为一个实施例，本申请中的所述第一信令生成于所述PHY301。
作为一个实施例，本申请中的所述第一信令生成于所述MAC子层302。
作为一个实施例，本申请中的所述第一信息块生成于所述PHY301。
作为一个实施例，本申请中的所述第一信息块生成于所述MAC子层302。
作为一个实施例，本申请中的所述第一信号生成于所述PHY301。
作为一个实施例，本申请中的所述第二信号生成于所述PHY301。
实施例4
实施例4示例了根据本申请的一个实施例的第一通信设备和第二通信设备的示意图，如附图4所示。附图4是在接入网络中相互通信的第一通信设备410以及第二通信设备450的框图。
第一通信设备410包括控制器/处理器475，存储器476，接收处理器470，发射处理器416，多天线接收处理器472，多天线发射处理器471，发射器/接收器418和天线420。
第二通信设备450包括控制器/处理器459，存储器460，数据源467，发射处理器468，接收处理器456，多天线发射处理器457，多天线接收处理器458，发射器/接收器454和天线452。
在从所述第一通信设备410到所述第二通信设备450的传输中，在所述第一通信设备410处，来自核心网络的上层数据包被提供到控制器/处理器475。控制器/处理器475实施L2层的功能性。在DL中，控制器/处理器475提供标头压缩、加密、包分段和重排序、逻辑与传输信道之间的多路复用，以及基于各种优先级量度对第二通信设备450的无线电资源分配。控制器/处理器475还负责HARQ操作、丢失包的重新发射，和到第二通信设备450的信令。发射处理器416和多天线发射处理器471实施用于L1层(即，物理层)的各种信号处理功能。发射处理器416实施编码和交错以促进第二通信设备450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)、M相移键控(M-PSK)、M正交振幅调制(M-QAM))的星座映射。多天线发射处理器471对经编码和调制后的符号进行数字空间预编码，包括基于码本的预编码和基于非码本的预编码，和波束赋型处理，生成一个或多个并行流。发射处理器416随后将每一并行流映射到子载波，将调制后的符号在时域和/或频域中与参考信号(例如，导频)复用，且随后使用快速傅立叶逆变换(IFFT)以产生载运时域多载波符号流的物理信道。随后多天线发射处理器471对时域多载波符号流进行发送模拟预编码/波束赋型操作。每一发射器418把多天线发射处理器471提供的基带多载波符号流转化成射频流，随后提供到不同天线420。
在从所述第一通信设备410到所述第二通信设备450的传输中，在所述第二通信设备450处，每一接收器454通过其相应天线452接收信号。每一接收器454恢复调制到射频载波上的信息，且将射频流转化成基带多载波符号流提供到接收处理器456。接收处理器456和多天线接收处理器458实施L1层的各种信号处理功能。多天线接收处理器458对来自接收器454的基带多载波符号流进行接收模拟预编码/波束赋型操作。接收处理器456使用快速傅立叶变换(FFT)将接收模拟预编码/波束赋型操作后的基带多载波符号流从时域转换到频域。在频域，物理层数据信号和参考信号被接收处理器456解复用，其中参考信号将被用于信道估计，数据信号在多天线接收处理器458中经过多天线检测后恢复出以第二通信设备450为目的地的任何并行流。每一并行流上的符号在接收处理器456中被解调和恢复，并生成软决策。随后接收处理器456解码和解交错所述软决策以恢复在物理信道上由第一通信设备410发射的上层数据和控制信号。随后将上层数据和控制信号提供到控制器/处理器459。控制器/处理器459实施L2层的功能。控制器/处理器459可与存储程序代码和数据的存储器460相关联。存储器460可称为计算机可读媒体。在DL中，控制器/处理器459提供传输与逻辑信道之间的多路分用、包重组装、解密、标头解压缩、控制信号处理以恢复来自核心网络的上层数据包。随后将上层数据包提供到L2层之上的所有协议层。也可将各种控制信号提供 到L3以用于L3处理。控制器/处理器459还负责使用确认(ACK)和/或否定确认(NACK)协议进行错误检测以支持HARQ操作。
在从所述第二通信设备450到所述第一通信设备410的传输中，在所述第二通信设备450处，使用数据源467来将上层数据包提供到控制器/处理器459。数据源467表示L2层之上的所有协议层。类似于在DL中所描述第一通信设备410处的发送功能，控制器/处理器459基于第一通信设备410的无线资源分配来实施标头压缩、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，实施用于用户平面和控制平面的L2层功能。控制器/处理器459还负责HARQ操作、丢失包的重新发射，和到所述第一通信设备410的信令。发射处理器468执行调制映射、信道编码处理，多天线发射处理器457进行数字多天线空间预编码，包括基于码本的预编码和基于非码本的预编码，和波束赋型处理，随后发射处理器468将产生的并行流调制成多载波/单载波符号流，在多天线发射处理器457中经过模拟预编码/波束赋型操作后再经由发射器454提供到不同天线452。每一发射器454首先把多天线发射处理器457提供的基带符号流转化成射频符号流，再提供到天线452。
在从所述第二通信设备450到所述第一通信设备410的传输中，所述第一通信设备410处的功能类似于在从所述第一通信设备410到所述第二通信设备450的传输中所描述的所述第二通信设备450处的接收功能。每一接收器418通过其相应天线420接收射频信号，把接收到的射频信号转化成基带信号，并把基带信号提供到多天线接收处理器472和接收处理器470。接收处理器470和多天线接收处理器472共同实施L1层的功能。控制器/处理器475实施L2层功能。控制器/处理器475可与存储程序代码和数据的存储器476相关联。存储器476可称为计算机可读媒体。控制器/处理器475提供传输与逻辑信道之间的多路分用、包重组装、解密、标头解压缩、控制信号处理以恢复来自第二通信设备450的上层数据包。来自控制器/处理器475的上层数据包可被提供到核心网络。控制器/处理器475还负责使用ACK和/或NACK协议进行错误检测以支持HARQ操作。
作为一个实施例，所述第二通信设备450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。所述第二通信设备450装置至少：接收本申请中的所述第一信令；在本申请中的所述第一时间窗中执行本申请中的所述信道感知并监测本申请中的所述第一信息块；判断本申请中的所述第一资源块是否属于本申请中的所述第一候选资源块集合。其中，所述第一信令指示第一资源池被预留；所述第一信息块指示第二资源块；所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交，所述第二资源块位于所述第一时间窗之内，所述第一资源块位于所述第一时间窗之外；所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中检测到所述第一信息块有关。
作为一个实施例，所述第二通信设备450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：接收本申请中的所述第一信令；在本申请中的所述第一时间窗中执行本申请中的所述信道感知并监测本申请中的所述第一信息块；判断本申请中的所述第一资源块是否属于本申请中的所述第一候选资源块集合。其中，所述第一信令指示第一资源池被预留；所述第一信息块指示第二资源块；所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交，所述第二资源块位于所述第一时间窗之内，所述第一资源块位于所述第一时间窗之外；所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中检测到所述第一信息块有关。
作为一个实施例，所述第一通信设备410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。所述第一通信设备410装置至少：在本申请中的所述第一时间窗中发送本申请中的所述第一信息块，或者，在所述第一时间窗中放弃发送所述第 一信息块。其中，所述第一信息块指示第二资源块，所述第二资源块位于所述第一时间窗之内，第一资源块位于所述第一时间窗之外；第一信令指示第一资源池被预留，所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中发送所述第一信息块有关。
作为一个实施例，所述第一通信设备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：在本申请中的所述第一时间窗中发送本申请中的所述第一信息块，或者，在所述第一时间窗中放弃发送所述第一信息块。其中，所述第一信息块指示第二资源块，所述第二资源块位于所述第一时间窗之内，第一资源块位于所述第一时间窗之外；第一信令指示第一资源池被预留，所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中发送所述第一信息块有关。
作为一个实施例，所述第一通信设备410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。第一通信设备410装置至少：发送本申请中的所述第一信令。其中，所述第一信令指示第一资源池被预留；第一资源块和所述第一资源池不正交，第二资源块和所述第一资源池不正交，所述第二资源块位于第一时间窗之内，所述第一资源块位于所述第一时间窗之外；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合；所述信道感知是否在所述第二资源块中被执行与所述信道感知的执行者是否在所述第一时间窗中检测到第一信息块有关，所述第一信息块指示所述第二资源块。
作为一个实施例，第一通信设备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：发送本申请中的所述第一信令。其中，所述第一信令指示第一资源池被预留；第一资源块和所述第一资源池不正交，第二资源块和所述第一资源池不正交，所述第二资源块位于第一时间窗之内，所述第一资源块位于所述第一时间窗之外；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合；所述信道感知是否在所述第二资源块中被执行与所述信道感知的执行者是否在所述第一时间窗中检测到第一信息块有关，所述第一信息块指示所述第二资源块。
作为一个实施例，本申请中的所述第一节点包括所述第二通信设备450。
作为一个实施例，本申请中的所述第二节点包括所述第一通信设备410。
作为一个实施例，本申请中的所述第三节点包括所述第二通信设备410。
作为一个实施例，{所述天线452，所述接收器454，所述接收处理器456，所述多天线接收处理器458，所述控制器/处理器459，所述存储器460，所述数据源467}中的至少之一被用于接收本申请中的所述第一信令；{所述天线420，所述发射器418，所述发射处理器416，所述多天线发射处理器471，所述控制器/处理器475，所述存储器476}中的至少之一被用于发送本申请中的所述第一信令。
作为一个实施例，{所述天线452，所述接收器454，所述接收处理器456，所述多天线接收处理器458，所述控制器/处理器459，所述存储器460，所述数据源467}中的至少之一被用于在本申请中的所述第一时间窗中执行本申请中的所述信道感知。
作为一个实施例，{所述天线452，所述接收器454，所述接收处理器456，所述多天线接收处理器458，所述控制器/处理器459，所述存储器460，所述数据源467}中的至少之一被用于在本申请中的所述第一时间窗中监测本申请中的所述第一信息块；{所述天线420，所 述发射器418，所述发射处理器416，所述多天线发射处理器471，所述控制器/处理器475，所述存储器476}中的至少之一被用于在本申请中的所述第一时间窗中发送本申请中的所述第一信息块。
作为一个实施例，{所述天线420，所述接收器418，所述接收处理器470，所述多天线接收处理器472，所述控制器/处理器475，所述存储器476}中的至少之一被用于监测本申请中的所述第一信息块。
作为一个实施例，{所述接收处理器456，所述发射处理器468，所述控制器/处理器459}中的至少之一被用于判断本申请中的所述第一资源块是否属于本申请中的所述第一候选资源块集合。
作为一个实施例，{所述接收处理器456，所述发射处理器468，所述控制器/处理器459，所述存储器460，所述数据源467}中的至少之一被用于在本申请中的所述第一候选资源块集合中选择本申请中的所述第一候选资源块子集。
作为一个实施例，{所述天线420，所述接收器418，所述接收处理器470，所述多天线接收处理器472，所述控制器/处理器475，所述存储器476}中的至少之一被用于在本申请中的所述第一候选资源块子集中接收本申请中的所述第一信号；{所述天线452，所述发射器454，所述发射处理器468，所述多天线发射处理器457，所述控制器/处理器459，所述存储器460，所述数据源467}中的至少之一被用于在本申请中的所述第一候选资源块子集中发送本申请中的所述第一信号。
作为一个实施例，{所述天线420，所述发射器418，所述发射处理器416，所述多天线发射处理器471，所述控制器/处理器475，所述存储器476}中的至少之一被用于在本申请中的所述第二资源块中发送本申请中的所述第二信号。
实施例5
实施例5示例了根据本申请的一个实施例的无线传输的流程图，如附图5所示。在附图5中，第二节点U1，第一节点U2和第三节点U3分别是两两之间通过空中接口传输的通信节点。附图5中，方框F51至F56中的步骤分别是可选的。
第二节点U1，在步骤S5101中在第一时间窗中发送第一信息块；在步骤S5102中在第一候选资源块子集中接收第一信号。
第一节点U2，在步骤S521中接收第一信令；在步骤S522中在第一时间窗中执行信道感知并监测第一信息块；在步骤S523中判断第一资源块是否属于第一候选资源块集合；在步骤S5201中在所述第一候选资源块集合中选择第一候选资源块子集；在步骤S5202中在所述第一候选资源块子集中发送第一信号。
第三节点U3，在步骤S531中发送第一信令；在步骤S5301中监测第一信息块；在步骤S5302中在第二资源块中发送第二信号；在步骤S5303中在第一候选资源块子集中接收第一信号。
在实施例5中，所述第一信令指示第一资源池被预留；所述第一信息块指示所述第二资源块；所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交，所述第二资源块位于所述第一时间窗之内，所述第一资源块位于所述第一时间窗之外；所述信道感知的结果被所述第一节点U2用于判断所述第一资源块是否属于所述第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与所述第一节点U2是否在所述第一时间窗中检测到所述第一信息块有关。所述第一候选资源块子集是所述第一候选资源块集合的子集。
作为一个实施例，所述第一节点U2是本申请中的所述第一节点。
作为一个实施例，所述第二节点U1是本申请中的所述第二节点。
作为一个实施例，所述第三节点U3是本申请中的所述第三节点。
作为一个实施例，所述第二节点U1和所述第一节点U2之间的空中接口包括Uu接口。
作为一个实施例，所述第二节点U1和所述第一节点U2之间的空中接口包括PC5接口。
作为一个实施例，所述第二节点U1和所述第一节点U2之间的空中接口包括副链路(Sidelink)。
作为一个实施例，所述第二节点U1和所述第一节点U2之间的空中接口包括中继节点与用户设备之间的无线接口。
作为一个实施例，所述第二节点U1和所述第一节点U2之间的空中接口包括用户设备与用户设备之间的无线接口。
作为一个实施例，所述第三节点U3和所述第一节点U2之间的空中接口是PC5接口。
作为一个实施例，所述第三节点U3和所述第一节点U2之间的空中接口包括副链路。
作为一个实施例，所述第三节点U3和所述第一节点U2之间的空中接口包括用户设备与用户设备之间的无线接口。
作为一个实施例，所述第三节点U3和所述第一节点U2之间的空中接口包括用户设备与中继节点之间的无线接口。
作为一个实施例，所述第三节点U3和所述第二节点U1之间的空中接口是PC5接口。
作为一个实施例，所述第三节点U3和所述第二节点U1之间的空中接口包括副链路。
作为一个实施例，所述第三节点U3和所述第二节点U1之间的空中接口包括用户设备与用户设备之间的无线接口。
作为一个实施例，所述第三节点U3和所述第二节点U1之间的空中接口包括用户设备与中继节点之间的无线接口。
作为一个实施例，本申请中的所述第一节点是一个终端。
作为一个实施例，本申请中的所述第一节点是一辆汽车。
作为一个实施例，本申请中的所述第一节点是一个交通工具。
作为一个实施例，本申请中的所述第一节点是一个RSU(Road Side Unit，路边单元)。
作为一个实施例，本申请中的所述第二节点是一个终端。
作为一个实施例，本申请中的所述第二节点是一辆汽车。
作为一个实施例，本申请中的所述第二节点是一个交通工具。
作为一个实施例，本申请中的所述第二节点是一个RSU。
作为一个实施例，本申请中的所述第三节点是一个终端。
作为一个实施例，本申请中的所述第三节点是一辆汽车。
作为一个实施例，本申请中的所述第三节点是一个交通工具。
作为一个实施例，本申请中的所述第三节点是一个RSU。
作为一个实施例，所述第一信令的发送者和所述第一信息块的发送者不同。
作为一个实施例，所述第一信令的发送者和所述第一信息块的发送者是不同的用户设备。
作为一个实施例，所述第一信令的发送者的标识不同于所述第一信息块的发送者的标识。
作为一个实施例，所述标识包括C(Cell，小区)-RNTI(Radio Network Temporary Identifier，无线电网络临时标识)。
作为一个实施例，所述标识包括IMSI(International Mobile Subscriber Identification Number，国际移动用户识别码)。
作为一个实施例，所述标识包括S-TMSI(SAE Temporary Mobile Subscriber Identity，SAE临时移动用户识别码)。
作为一个实施例，所述第一信号的目标接收者包括所述第一信令的发送者。
作为一个实施例，所述第一信号的目标接收者不包括所述第一信令的发送者。
作为一个实施例，所述第一信号的目标接收者包括所述第一信息块的发送者。
作为一个实施例，所述第一信号的目标接收者不包括所述第一信息块的发送者。
作为一个实施例，所述第一信号的目标接收者包括所述第一信令的发送者和所述第一信息块的发送者。
作为一个实施例，所述第一信号的目标接收者不包括所述第一信令的发送者和所述第一信息块的发送者。
作为一个实施例，所述第一信息块推翻所述第一信令对所述第二资源块的预留。
作为一个实施例，当所述第一节点U2在所述第一时间窗中检测到所述第一信息块时，所述信道感知不在所述第二资源块中被执行；当所述第一节点U2在所述第一时间窗中未检测到所述第一信息块时，所述信道感知在所述第二资源块中被执行。
作为一个实施例，所述第一信令包括第一信道的配置信息，所述第一信道所占用的时频资源包括所述第二资源块。
作为一个实施例，所述信道感知被用于确定第一测量值集合，所述第一测量值集合包括正整数个测量值，所述第一测量值集合被用于判断所述第一资源块是否属于所述第一候选资源块集合。
作为一个实施例，附图5中的方框F51中的步骤存在，所述第二节点U1在所述第一时间窗中发送所述第一信息块。
作为一个实施例，附图5中的方框F51中的步骤不存在，所述第二节点U1在所述第一时间窗中放弃发送所述第一信息块。
作为一个实施例，本申请中的所述第二节点自行决定是否在所述第一时间窗中发送所述第一信息块。
作为一个实施例，当本申请中的所述第三节点在所述第一时间窗中检测到所述第一信息块时，所述第三节点放弃在所述第二资源块中发送无线信号。
作为上述实施例的一个子实施例，附图5中的方框F53中的步骤不存在。
作为一个实施例，当本申请中的所述第三节点在所述第一时间窗中未检测到所述第一信息块时，所述第三节点在所述第二资源块中发送无线信号。
作为上述实施例的一个子实施例，所述第三节点在所述第二资源块中发送所述第二信号。
作为上述实施例的一个子实施例，附图5中的方框F53中的步骤存在。
作为一个实施例，当本申请中的所述第三节点在所述第一时间窗中未检测到所述第一信息块时，所述第三节点自行决定是否在所述第二资源块中发送无线信号。
作为一个实施例，所述第二信号是一个无线信号。
作为一个实施例，所述第二信号是一个基带信号。
作为一个实施例，所述第二信号携带一个TB(Transport Block，传输块)。
作为一个实施例，所述第二信号携带CSI(Channel-State Information，信道状态信息)。
作为一个实施例，所述第二信号携带SCI(Sidelink Control Information，副链路控制信息)。
作为一个实施例，所述第二信号在所述第一信道中被发送。
作为一个实施例，所述第二信号在副链路(SideLink)上被传输。
作为一个实施例，所述第二信号通过PC5接口被传输。
作为一个实施例，所述第二信号在PUSCH(Physical Uplink Shared CHannel，物理上行共享信道)上被传输。
作为一个实施例，所述第二信号在PSSCH上被传输。
作为一个实施例，所述第二信号在PSCCH上被传输。
作为一个实施例，所述第二信号在PSSCH和PSCCH上被传输。
作为一个实施例，所述第一信令包括所述第二信号的调度信息，所述第二信号的所述调度信息包括{所占用的时域资源，所占用的频域资源，MCS(Modulation and Coding Scheme，调制编码方式)，DMRS配置信息，HARQ(Hybrid Automatic Repeat reQuest，混合自动重传请求)进程号(process number)，RV(Redundancy Version，冗余版本)，NDI(New Data Indicator，新数据指示)}中的一种或多种。
作为一个实施例，所述第二信号的目标接收者不是本申请中的所述第一节点。
作为一个实施例，所述第二信号的目标接收者的标识不同于本申请中的所述第一节点的 标识。
实施例6
实施例6示例了根据本申请的一个实施例的无线传输的流程图，如附图6所示。在附图6中，第二节点U4和第一节点U5分别是通过空中接口传输的通信节点。附图6中，方框F61至F64中的步骤分别是可选的。
第二节点U4，在步骤S641中发送第一信令；在步骤S6401在第一时间窗中发送第一信息块；在步骤S6402中在第二资源块中发送第二信号；在步骤S6403中在第一候选资源块子集中接收第一信号。
第一节点U5，在步骤S651中接收第一信令；在步骤S652中在第一时间窗中执行信道感知并监测第一信息块；在步骤S653中判断第一资源块是否属于第一候选资源块集合；在步骤S6501中在所述第一候选资源块集合中选择第一候选资源块子集；在步骤S6502中在所述第一候选资源块子集中发送第一信号。
作为一个实施例，所述第一信令的发送者和所述第一信息块的发送者相同。
作为一个实施例，所述第一信令的发送者和所述第一信息块的发送者是同一个用户设备。
作为一个实施例，所述第一信令的发送者的标识和所述第一信息块的发送者的标识相同。
实施例7
实施例7示例了根据本申请的一个实施例的第一信令的示意图；如附图7所示。在实施例7中，所述第一信令指示本申请中的所述第一资源池被预留。
作为一个实施例，所述第一信令是单播(Unicast)传输的。
作为一个实施例，所述第一信令是组播(Groupcast)传输的。
作为一个实施例，所述第一信令是广播(Broadcast)传输的。
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，所述第一信令是层1(L1)信令。
作为一个实施例，所述第一信令是层1(L1)的控制信令。
作为一个实施例，所述第一信令包括SCI。
作为一个实施例，所述第一信令包括一个SCI中的一个或多个域(field)。
作为一个实施例，所述第一信令在副链路(SideLink)上被传输。
作为一个实施例，所述第一信令通过PC5接口被传输。
作为一个实施例，所述句子所述第一信令指示第一资源池被预留包括：所述第一信令的发送者在所述第一资源池内发送无线信号之前不需要判断所述第一资源池是否可以被用于发送无线信号。
作为一个实施例，所述句子所述第一信令指示第一资源池被预留包括：所述第一资源池被预留给所述第一信令的发送者。
作为一个实施例，所述句子所述第一信令指示第一资源池被预留包括：所述第一信令包括第二信息块，所述第一信令中的所述第二信息块指示所述第一资源池；所述第一信令中的所述第二信息块包括Resource reservation域(field)中的全部或部分信息。
作为上述实施例的一个子实施例，所述第二信息块包括Frequency resource location of initial transmission and retransmission域(field)中的全部或部分信息。
作为上述实施例的一个子实施例，所述第二信息块包括Resource block assignment and hopping resource allocation域(field)中的全部或部分信息。
作为一个实施例，所述Resource reservation域(field)的具体定义参见3GPP TS36.212。
作为一个实施例，所述Frequency resource location of initial transmission and retransmission域的具体定义参见3GPP TS36.212。
作为一个实施例，所述Resource block assignment and hopping resource allocation域的具体定义参见3GPP TS36.212。
作为一个实施例，所述第一信令显式的指示所述第一资源池被预留。
作为一个实施例，所述第一信令隐式的指示所述第一资源池被预留。
作为一个实施例，所述第一信令在PUCCH(Physical Uplink Control CHannel，物理上行控制信道)上被传输。
作为一个实施例，所述第一信令在PSCCH上被传输。
作为一个实施例，所述第一信令在PSSCH上被传输。
实施例8
实施例8示例了根据本申请的一个实施例的第一信息块的示意图；如附图8所示。在实施例8中，所述第一信息块指示本申请中的所述第二资源块。
作为一个实施例，所述第一信息块是单播(Unicast)传输的。
作为一个实施例，所述第一信息块是组播(Groupcast)传输的。
作为一个实施例，所述第一信息块是广播(Broadcast)传输的。
作为一个实施例，所述第一信息块由物理层信令携带。
作为一个实施例，所述第一信息块由动态信令携带。
作为一个实施例，所述第一信息块由更高层(higher layer)信令携带。
作为一个实施例，所述第一信息块由层1(L1)信令携带。
作为一个实施例，所述第一信息块由层1(L1)的控制信令携带。
作为一个实施例，所述第一信息块包括SCI。
作为一个实施例，所述第一信息块包括一个SCI中的一个或多个域(field)。
作为一个实施例，所述第一信息块包括一个SCI中的一个或多个域中的全部或部分信息。
作为一个实施例，所述第一信息块在副链路(SideLink)上被传输。
作为一个实施例，所述第一信息块通过PC5接口被传输。
作为一个实施例，所述第一信息块被用于pre-emption。
作为一个实施例，所述第一信息块被用于所述第二资源块的pre-emption。
作为一个实施例，所述第一信息块包括Pre-emption indication域中全部或部分信息。
作为一个实施例，所述Pre-emption indication域的具体定义参见3GPP TS38.212。
作为一个实施例，所述第一信息块包括DCI Format 2_1的全部或部分信息。
作为一个实施例，所述DCI Format 2_1的具体定义参见3GPP TS38.212。
作为一个实施例，所述第一信息块包括CRC被INT-RNTI(Interruption Radio Network Temporary Identifier,打扰无线网络临时标识)加扰的DCI。
作为一个实施例，所述第一信息块包括CRC被INT-RNTI加扰的SCI。
作为一个实施例，所述第一信息块包括CRC被副链路专属的用于Pre-emption的RNTI所述加扰的SCI。
作为一个实施例，所述句子所述第一信息块指示第二资源块包括：所述第一信息块指示所述第二资源块被预留。
作为一个实施例，所述句子所述第一信息块指示第二资源块包括：所述第一信息块指示被用于所述第二资源块的pre-emption。
作为一个实施例，所述句子所述第一信息块指示第二资源块包括：所述第一信息块指示所述第一信息块的目标接收者假设所述第二资源块中没有针对所述第一信息块的所述目标接收者的传输。
作为一个实施例，所述句子所述第一信息块指示第二资源块包括：所述第一信息块指示本申请中的所述第一信令的目标接收者假设所述第二资源块中没有针对所述第一信令的所述目标接收者的传输。
作为一个实施例，所述句子所述第一信息块指示第二资源块包括：所述第一信息块指示本申请中的所述第一信令的发送者放弃在所述第二资源块中发送无线信号。
作为一个实施例，所述句子所述第一信息块指示第二资源块包括：所述第一信息块指示本申请中的所述第一信令的发送者在所述第二资源块中发送无线信号之前需要判断所述第二资源块是否能被用于发送无线信号。
作为一个实施例，所述句子所述第一信息块指示第二资源块包括：所述第一信息块推翻本申请中的所述第一信令对所述第二资源块的预留。
作为一个实施例，所述句子所述第一信息块指示第二资源块包括：所述第一信息块使得本申请中的所述第一信令对所述第二资源块的预留无效。
作为一个实施例，所述句子所述第一信息块指示第二资源块包括：本申请中的所述第一信令指示所述第二资源块被预留给第一传输块，所述第一信息块指示所述第二资源块被预留给第二传输块，所述第二传输块的优先级(Priority)高于所述第一传输块的优先级。
作为一个实施例，所述优先级包括QoS(Quality of Service，服务质量)等级。
作为一个实施例，所述优先级包括PPPP(ProSe Per-Packet Priority)。
作为一个实施例，所述优先级包括5QI(5G QoS Indicator，第五代服务质量指示)。
作为一个实施例，所述优先级包括PQI(PC5QoS Indicator，PC5服务质量指示)。
作为一个实施例，本申请中的所述第一资源池包括多个资源块；所述第二资源块是所述多个资源块中的一个资源块；所述第一信息块指示所述多个资源块中的仅所述第二资源块。
作为一个实施例，所述第一信息块不指示所述第二资源块以外的其他资源块。
作为一个实施例，本申请中的所述第一信令指示第一优先级，所述第一信息块指示第二优先级，所述第二优先级高于所述第一优先级。
作为一个实施例，所述第一信息块在PUCCH上被传输。
作为一个实施例，所述第一信息块在PSCCH上被传输。
作为一个实施例，所述第一信息块在PSSCH上被传输。
实施例9
实施例9示例了根据本申请的一个实施例的给定资源块的示意图；如附图9所示。在实施例9中，所述给定资源块是本申请中的所述第一资源块，本申请中的所述第二资源块，本申请中的所述第一候选资源块集合包括的正整数个候选资源块和实施例1中的所述S2个资源块中的任意一个资源块。
作为一个实施例，所述给定资源块包括时频资源。
作为一个实施例，所述给定资源块包括频域资源。
作为一个实施例，所述给定资源块包括正整数个RE(Resource Element，资源粒子)。
作为一个实施例，一个RE在时域占用一个多载波符号，在频域占用一个子载波。
作为一个实施例，所述给定资源块在频域包括正整数个子载波。
作为一个实施例，所述给定资源块在频域包括正整数个PRB。
作为一个实施例，所述给定资源块在频域包括正整数个RB。
作为一个实施例，所述给定资源块包括正整数个子信道(sub-channel)。
作为一个实施例，所述给定资源块在时域包括正整数个多载波符号。
作为一个实施例，所述给定资源块在时域包括正整数个时隙(slot)。
作为一个实施例，所述给定资源块在时域包括一个时隙。
作为一个实施例，所述给定资源块在时域包括正整数个子帧(sub-frame)。
作为一个实施例，所述给定资源块在时域包括一个子帧。
作为一个实施例，所述第一候选资源块集合包括正整数个候选资源块。
作为上述实施例的一个子实施例，所述第一候选资源块集合中存在两个候选资源块包括的RE的数量不相等。
作为上述实施例的一个子实施例，所述第一候选资源块集合中任意两个候选资源块包括的RE的数量相等。
作为一个实施例，所述给定资源块是所述第一资源块。
作为一个实施例，所述给定资源块是所述第二资源块。
作为一个实施例，所述给定资源块是所述第一候选资源块集合中的任一候选资源块。
作为一个实施例，所述给定资源块是所述S2个资源块中的任一资源块。
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资源池的示意图；如附图10所示。
作为一个实施例，所述第一资源池包括时频资源。
作为一个实施例，所述第一资源池包括频域资源。
作为一个实施例，所述第一资源池包括正整数个RE。
作为一个实施例，所述第一资源池包括正整数个子载波。
作为一个实施例，所述第一资源池包括正整数个PRB。
作为一个实施例，所述第一资源池包括正整数个RB。
作为一个实施例，所述第一资源池包括正整数个子信道(sub-channel)。
作为一个实施例，所述第一资源池包括正整数个多载波符号。
作为一个实施例，所述第一资源池包括正整数个时隙(slot)。
作为一个实施例，所述第一资源池包括正整数个不连续的时隙。
作为一个实施例，所述第一资源池包括正整数个子帧(sub-frame)。
作为一个实施例，所述第一资源池在时域多次出现。
作为一个实施例，所述第一资源池在时域只出现一次。
作为一个实施例，所述句子所述第二资源块和所述第一资源池不正交包括：所述第二资源块属于所述第一资源池。
作为一个实施例，所述句子所述第二资源块和所述第一资源池不正交包括：所述第二资源块和所述第一资源池交叠。
作为一个实施例，所述句子所述第二资源块和所述第一资源池不正交包括：所述第一资源池仅包括频域资源，所述第二资源块所占用的频域资源属于所述第一资源池。
作为一个实施例，所述句子所述第二资源块和所述第一资源池不正交包括：所述第一资源池仅包括频域资源，所述第二资源块所占用的频域资源和所述第一资源池交叠。
作为一个实施例，所述句子所述第二资源块和所述第一资源池不正交包括：所述第一资源池包括时频资源，所述第二资源块所占用的时频资源属于所述第一资源池。
作为一个实施例，所述句子所述第二资源块和所述第一资源池不正交包括：所述第一资源池包括时频资源，所述第二资源块所占用的时域资源属于所述第一资源池所占用的时域资源，所述第二资源块所占用的频域资源和所述第一资源池所占用的频域资源交叠。
作为一个实施例，所述句子所述第一资源块和所述第一资源池不正交包括：所述第一资源块属于所述第一资源池。
作为一个实施例，所述句子所述第一资源块和所述第一资源池不正交包括：所述第一资源块和所述第一资源池交叠。
作为一个实施例，所述句子所述第一资源块和所述第一资源池不正交包括：所述第一资源池仅包括频域资源，所述第一资源块所占用的频域资源属于所述第一资源池。
作为一个实施例，所述句子所述第一资源块和所述第一资源池不正交包括：所述第一资源池仅包括频域资源，所述第一资源块所占用的频域资源和所述第一资源池交叠。
作为一个实施例，所述句子所述第一资源块和所述第一资源池不正交包括：所述第一资源池包括时频资源，所述第一资源块所占用的时频资源属于所述第一资源池。
作为一个实施例，所述句子所述第一资源块和所述第一资源池不正交包括：所述第一资 源池包括时频资源，所述第一资源块所占用的时域资源属于所述第一资源池所占用的时域资源，所述第一资源块所占用的频域资源和所述第一资源池所占用的频域资源交叠。
作为一个实施例，所述第一资源块所占用的频域资源和所述第二资源块所占用的频域资源交叠。
实施例11
实施例11示例了根据本申请的一个实施例的信道感知是否在第二资源块中被执行与是否在第一时间窗中检测到第一信息块有关的示意图；如附图11所示。在实施例11中，当本申请中的所述第一节点在所述第一时间窗中检测到所述第一信息块时，所述信道感知不在所述第二资源块中被执行；当所述第一节点在所述第一时间窗中未检测到所述第一信息块时，所述信道感知在所述第二资源块中被执行。
实施例12
实施例12示例了根据本申请的一个实施例的第一信令包括第一信道的配置信息的示意图；如附图12所示。在实施例12中，所述第一信令包括所述第一信道的配置信息，所述第一信道所占用的时频资源包括本申请中的所述第二资源块。
作为一个实施例，所述第一信道是一个物理层信道。
作为一个实施例，所述第一信道是一个物理层共享信道。
作为一个实施例，所述第一信道是一个物理层控制信道。
作为一个实施例，所述第一信道是一个PSSCH。
作为一个实施例，所述第一信道是一个PSCCH。
作为一个实施例，所述第一信道的所述配置信息包括{所占用的时域资源，所占用的频域资源，MCS，DMRS配置信息，HARQ进程号(process number)，RV，NDI}中的一种或多种。
作为一个实施例，所述第一信道携带一个TB。
作为一个实施例，所述第一信道携带SCI。
作为一个实施例，所述第一信道所占用的时频资源是所述第二资源块。
作为一个实施例，所述第一信令指示所述第二资源块。
作为一个实施例，所述第一信令显式的指示所述第二资源块。
作为一个实施例，所述第一信令隐式的指示所述第二资源块。
作为一个实施例，所述第一信令和所述第二资源块在时域属于同一个时隙(slot)。
作为一个实施例，所述第一信令和所述第二资源块在时域属于不同的时隙(slot)。
作为一个实施例，所述句子所述信道感知是否在所述第二资源块中被执行包括：所述信道感知是否在所述第一信道中被执行。
作为一个实施例，当所述信道感知在所述第二资源块中被执行时，所述信道感知在所述第一信道中被执行；当所述信道感知不在所述第二资源块中被执行时，所述信道感知不在所述第一信道中被执行。
实施例13
实施例13示例了根据本申请的一个实施例的信道感知和第一测量值集合的示意图；如附图13所示。在实施例13中，所述信道感知被用于确定所述第一测量值集合，所述第一测量值集合包括正整数个测量值，所述第一测量值集合被用于判断所述第一资源块是否属于所述第一候选资源块集合。
作为一个实施例，所述信道感知的结果包括所述第一测量值集合。
作为一个实施例，所述第一测量值集合包括多个测量值。
作为上述实施例的一个子实施例，第一测量值是所述多个测量值的线性平均值。当所述第一测量值大于第一阈值时，判断所述第一资源块不属于所述第一候选资源块集合；当所述 第一测量值不大于所述第一阈值时，判断所述第一资源块属于所述第一候选资源块集合。
作为上述实施例的一个子实施例，当所述多个测量值中存在一个测量值大于第一阈值时，判断所述第一资源块不属于所述第一候选资源块集合；当所述S1个测量值中的任一测量值不大于所述第一阈值时，判断所述第一资源块属于所述第一候选资源块集合。
作为一个实施例，所述第一测量值集合仅包括1个测量值。
作为上述实施例的一个子实施例，当所述第一测量值集合中的所述1个测量值大于第一阈值时，判断所述第一资源块不属于所述第一候选资源块集合；当所述第一测量值集合中的所述1个测量值不大于所述第一阈值时，判断所述第一资源块属于所述第一候选资源块集合。
作为一个实施例，所述第一测量值集合中的任一测量值是RSRP。
作为一个实施例，所述第一测量值集合中存在一个测量值是RSRP。
作为一个实施例，所述第一测量值集合中存在一个测量值是L1(层1)-RSRP。
作为一个实施例，所述第一测量值集合中存在一个测量值是L3(层3)-RSRP。
作为一个实施例，所述第一测量值集合中存在一个测量值是PSSCH-RSRP。
作为一个实施例，所述第一测量值集合中存在一个测量值是PSCCH-RSRP。
作为一个实施例，所述第一测量值集合中存在一个测量值是RSSI(Received Signal Strength Indicator，接收信号强度指示)。
作为一个实施例，所述第一测量值集合中存在一个测量值是CQI(Channel Quality Indicator，信道质量标识)。
作为一个实施例，所述第一测量值集合中存在一个测量值是RSRQ(Reference Signal Received Quality，参考信号接收质量)。
作为一个实施例，所述第一测量值集合中任一测量值的单位是dBm。
作为一个实施例，所述第一测量值集合中任一测量值的单位是瓦(Watt)。
作为一个实施例，所述句子所述信道感知是否在所述第二资源块中被执行包括：所述第一测量值集合是否与所述第二资源块有关。
作为一个实施例，所述句子所述信道感知是否在所述第二资源块中被执行包括：针对所述第二资源块的测量是否被用于确定所述第一测量值集合。
作为一个实施例，所述句子所述信道感知是否在所述第二资源块中被执行包括：针对所述第二资源块中的参考信号的测量是否被用于确定所述第一测量值集合。
作为一个实施例，所述句子所述信道感知是否在所述第二资源块中被执行包括：所述第二资源块中的DMRS的RSRP是否被用于确定所述第一测量值集合。
作为一个实施例，所述句子所述信道感知是否在所述第二资源块中被执行包括：所述第一测量值集合是否包括所述第二资源块中的DMRS的RSRP。
作为一个实施例，当所述信道感知不在所述第二资源块中被执行时，所述第一测量值集合与所述第二资源块无关；当所述信道感知在所述第二资源块中被执行时，针对所述第二资源块的测量被用于确定所述第一测量值集合。
作为上述实施例的一个子实施例，当所述信道感知在所述第二资源块中被执行时，针对所述第二资源块中的参考信号的测量被用于确定所述第一测量值集合。
作为上述实施例的一个子实施例，当所述信道感知在所述第二资源块中被执行时，所述第二资源块中的DMRS的RSRP被用于确定所述第一测量值集合。
作为上述实施例的一个子实施例，当所述信道感知在所述第二资源块中被执行时，所述第一测量值集合包括所述第二资源块中的DMRS的RSRP。
作为一个实施例，当所述信道感知不在所述第二资源块中被执行时，所述第一测量值集合与本申请中的所述第一信道无关；当所述信道感知在所述第二资源块中被执行时，针对所述第一信道的测量被用于确定所述第一测量值集合。
作为上述实施例的一个子实施例，当所述信道感知在所述第二资源块中被执行时，针对所述第一信道的参考信号的测量被用于确定所述第一测量值集合。
作为上述实施例的一个子实施例，当所述信道感知在所述第二资源块中被执行时，所述第一信道的DMRS的RSRP被用于确定所述第一测量值集合。
作为上述实施例的一个子实施例，当所述信道感知在所述第二资源块中被执行时，所述第一测量值集合包括所述第一信道的DMRS的RSRP。
作为一个实施例，所述信道感知在S1个信道上被执行，S1是正整数；所述S1个信道所占用的时频资源均属于本申请中的所述第一资源池位于本申请中的所述第一时间窗中的部分。
作为上述实施例的一个子实施例，所述第一测量值集合包括S1个测量值，针对所述S1个信道的测量分别被用于确定所述S1个测量值。
作为上述实施例的一个子实施例，所述第一测量值集合包括S1个测量值，所述S1个测量值分别是针对所述S1个信道的DRMS的RSRP。
作为上述实施例的一个子实施例，所述第一测量值集合包括1个测量值，针对所述S1个信道的测量被用于确定所述第一测量值集合中的所述1个测量值。
作为上述实施例的一个子实施例，所述第一测量值集合包括1个测量值，所述第一测量值集合中的所述1个测量值是所述S1个信道中的DMRS的RSRP。
作为上述实施例的一个子实施例，所述第一测量值集合包括1个测量值，所述第一测量值集合中的所述1个测量值是所述S1个信道中的DMRS的RSRP的线性平均值。
实施例14
实施例14示例了根据本申请的一个实施例的第一候选资源块集合和第一候选资源块子集的示意图；如附图14所示。在实施例14中，本申请中的所述第一节点在所述第一候选资源块集合中选择所述第一候选资源块子集，并在所述第一候选资源块子集中发送本申请中的所述第一信号。所述第一候选资源块集合包括M0个候选资源块，M0是正整数；所述第一候选资源块子集包括所述M0个候选资源块中的M个候选资源块；M是不大于所述M0的正整数。在附图14中，所述M0个候选资源块的索引分别是#0，...，#M0-1。
作为一个实施例，所述M0大于1。
作为一个实施例，所述M0等于1。
作为一个实施例，所述M小于所述M0。
作为一个实施例，所述M等于所述M0。
作为一个实施例，所述M大于1。
作为一个实施例，所述M等于1。
作为一个实施例，所述第一节点在所述第一候选资源块集合中自行选择所述第一候选资源块子集。
作为一个实施例，所述第一节点在所述第一候选资源块集合中随机选择所述第一候选资源块子集。
作为一个实施例，所述第一候选资源块子集由所述M个候选资源块组成。
作为一个实施例，所述M0个候选资源块和M0个测量量一一对应。
作为上述实施例的一个子实施例，所述第一候选资源块子集由所述第一候选资源块集合中的M个对应最低测量量的候选资源块组成。
作为上述实施例的一个子实施例，所述M0大于1；所述第一节点在M1个候选资源块中随机选择所述第一候选资源块子集，M1是小于所述M0并且大于所述M的正整数；所述M1个候选资源块由所述第一候选资源块集合中的M1个对应最低测量量的候选资源块组成。
作为上述实施例的一个子实施例，所述M0个测量量分别是RSSI。
作为上述实施例的一个子实施例，所述M0个测量量分别是RSRP。
作为一个实施例，所述第一信号是一个无线信号。
作为一个实施例，所述第一信号是一个基带信号。
作为一个实施例，所述第一信号是广播(Broadcast)传输的。
作为一个实施例，所述第一信号是组播(Groupcast)传输的。
作为一个实施例，所述第一信号是单播(Unicast)传输的。
作为一个实施例，所述第一信号携带一个TB。
作为一个实施例，所述第一信号携带CSI。
作为一个实施例，所述第一信号携带SCI。
作为一个实施例，所述第一信号在副链路(SideLink)上被传输。
作为一个实施例，所述第一信号通过PC5接口被传输。
作为一个实施例，所述第一信号在PUSCH上被传输。
作为一个实施例，所述第一信号在PSSCH上被传输。
作为一个实施例，所述第一信号在PSCCH上被传输。
作为一个实施例，所述第一信号在PSSCH和PSCCH上被传输。
实施例15
实施例15示例了根据本申请的一个实施例的用于第一节点设备中的处理装置的结构框图；如附图15所示。在附图15中，第一节点设备中的处理装置1500包括第一接收机1501和第一处理器1502。
在实施例15中，第一接收机1501接收第一信令，在第一时间窗中执行信道感知，并在所述第一时间窗中监测第一信息块；第一处理器1502判断第一资源块是否属于第一候选资源块集合。
在实施例15中，所述第一信令指示第一资源池被预留；所述第一信息块指示第二资源块；所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交，所述第二资源块位于所述第一时间窗之内，所述第一资源块位于所述第一时间窗之外；所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中检测到所述第一信息块有关。
作为一个实施例，所述第一信息块推翻所述第一信令对所述第二资源块的预留。
作为一个实施例，当在所述第一时间窗中检测到所述第一信息块时，所述信道感知不在所述第二资源块中被执行；当在所述第一时间窗中未检测到所述第一信息块时，所述信道感知在所述第二资源块中被执行。
作为一个实施例，所述第一信令包括第一信道的配置信息，所述第一信道所占用的时频资源包括所述第二资源块。
作为一个实施例，所述信道感知被用于确定第一测量值集合，所述第一测量值集合包括正整数个测量值，所述第一测量值集合被用于判断所述第一资源块是否属于所述第一候选资源块集合。
作为一个实施例，所述第一处理器1502在所述第一候选资源块集合中选择第一候选资源块子集，并且在所述第一候选资源块子集中发送第一信号；其中，所述第一候选资源块子集是所述第一候选资源块集合的子集。
作为一个实施例，所述第一节点设备是用户设备。
作为一个实施例，所述第一节点设备是中继节点设备。
作为一个实施例，所述第一接收机1501包括实施例4中的{天线452，接收器454，接收处理器456，多天线接收处理器458，控制器/处理器459，存储器460，数据源467}中的至少之一。
作为一个实施例，所述第一处理器1502包括实施例4中的{天线452，发射器454，发射处理器468，多天线发射处理器457，控制器/处理器459，存储器460，数据源467}中的至少之一。
实施例16
实施例16示例了根据本申请的一个实施例的用于第二节点设备中的处理装置的结构框图；如附图16所示。在附图16中，第二节点设备中的处理装置1600包括第二处理器1601。
在实施例16中，第二处理器1601在第一时间窗中发送第一信息块，或者，在所述第一时间窗中放弃发送所述第一信息块。
在实施例16中，所述第一信息块指示第二资源块，所述第二资源块位于所述第一时间窗之内，第一资源块位于所述第一时间窗之外；第一信令指示第一资源池被预留，所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中发送所述第一信息块有关。
作为一个实施例，所述第一信息块推翻所述第一信令对所述第二资源块的预留。
作为一个实施例，当所述信道感知的执行者在所述第一时间窗中检测到所述第一信息块时，所述信道感知不在所述第二资源块中被执行；当所述信道感知的执行者在所述第一时间窗中未检测到所述第一信息块时，所述信道感知在所述第二资源块中被执行。
作为一个实施例，所述第二处理器1601在第一候选资源块子集中接收第一信号；其中，所述第一候选资源块子集是所述第一候选资源块集合的子集。
作为一个实施例，所述第二处理器1601发送所述第一信令。
作为一个实施例，所述第二处理器1601在所述第二资源块中发送第二信号；其中，所述第二节点设备在所述第一时间窗中放弃发送所述第一信息块。
作为一个实施例，所述第二节点设备是用户设备。
作为一个实施例，所述第二节点设备是中继节点设备。
作为一个实施例，所述第二处理器1601包括实施例4中的{天线420，发射器/接收器418，发射处理器416，接收处理器470，多天线发射处理器471，多天线接收处理器472，控制器/处理器475，存储器476}中的至少之一。
实施例17
实施例17示例了根据本申请的一个实施例的用于第三节点设备中的处理装置的结构框图；如附图17所示。在附图17中，第三节点设备中的处理装置1700包括第三处理器1701。
在实施例17中，第三处理器1701发送第一信令。
在实施例17中，所述第一信令指示第一资源池被预留；第一资源块和所述第一资源池不正交，第二资源块和所述第一资源池不正交，所述第二资源块位于第一时间窗之内，所述第一资源块位于所述第一时间窗之外；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合；所述信道感知是否在所述第二资源块中被执行与所述信道感知的执行者是否在所述第一时间窗中检测到第一信息块有关，所述第一信息块指示所述第二资源块。
作为一个实施例，所述第一信息块推翻所述第一信令对所述第二资源块的预留。
作为一个实施例，当所述信道感知的执行者在所述第一时间窗中检测到所述第一信息块时，所述信道感知不在所述第二资源块中被执行；当所述信道感知的执行者在所述第一时间窗中未检测到所述第一信息块时，所述信道感知在所述第二资源块中被执行。
作为一个实施例，所述第一信令包括第一信道的配置信息，所述第一信道所占用的时频资源包括所述第二资源块。
作为一个实施例，所述第三处理器1701监测所述第一信息块；其中，所述第三节点设备是否检测到所述第一信息块被用于确定所述第三节点设备是否在所述第二资源块中发送无线信号。
作为一个实施例，所述第三处理器1701在所述第二资源块中发送第二信号；其中，所述第三节点设备在所述第一时间窗中未检测到所述第一信息块。
作为一个实施例，所述第三处理器1701在第一候选资源块子集中接收第一信号；其中， 所述第一候选资源块子集是所述第一候选资源块集合的子集。
作为一个实施例，所述第三节点设备是用户设备。
作为一个实施例，所述第三节点设备是中继节点设备。
作为一个实施例，所述第三处理器1701包括实施例4中的{天线420，发射器/接收器418，发射处理器416，接收处理器470，多天线发射处理器471，多天线接收处理器472，控制器/处理器475，存储器476}中的至少之一。
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。本申请中的用户设备、终端和UE包括但不限于无人机，无人机上的通信模块，遥控飞机，飞行器，小型飞机，手机，平板电脑，笔记本，车载通信设备，无线传感器，上网卡，物联网终端，RFID终端，NB-IOT终端，MTC(Machine Type Communication，机器类型通信)终端，eMTC(enhanced MTC，增强的MTC)终端，数据卡，上网卡，车载通信设备，低成本手机，低成本平板电脑等无线通信设备。本申请中的基站或者系统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，gNB(NR节点B)NR节点B，TRP(Transmitter Receiver Point，发送接收节点)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. 一种被用于无线通信的第一节点设备，其特征在于，包括：
    第一接收机，接收第一信令，在第一时间窗中执行信道感知，并在所述第一时间窗中监测第一信息块；
    第一处理器，判断第一资源块是否属于第一候选资源块集合；
    其中，所述第一信令指示第一资源池被预留；所述第一信息块指示第二资源块；所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交，所述第二资源块位于所述第一时间窗之内，所述第一资源块位于所述第一时间窗之外；所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中检测到所述第一信息块有关。
  2. 根据权利要求1所述的第一节点设备，其特征在于，所述第一信息块推翻所述第一信令对所述第二资源块的预留。
  3. 根据权利要求1或2所述的第一节点设备，其特征在于，当在所述第一时间窗中检测到所述第一信息块时，所述信道感知不在所述第二资源块中被执行；当在所述第一时间窗中未检测到所述第一信息块时，所述信道感知在所述第二资源块中被执行。
  4. 根据权利要求1至3中任一权利要求所述的第一节点设备，其特征在于，所述第一信令包括第一信道的配置信息，所述第一信道所占用的时频资源包括所述第二资源块。
  5. 根据权利要求1至4中任一权利要求所述的第一节点设备，其特征在于，所述信道感知被用于确定第一测量值集合，所述第一测量值集合包括正整数个测量值，所述第一测量值集合被用于判断所述第一资源块是否属于所述第一候选资源块集合。
  6. 根据权利要求1至5中任一权利要求所述的第一节点设备，其特征在于，所述第一处理器在所述第一候选资源块集合中选择第一候选资源块子集，并且在所述第一候选资源块子集中发送第一信号；其中，所述第一候选资源块子集是所述第一候选资源块集合的子集。
  7. 一种被用于无线通信的第二节点设备，其特征在于，包括：
    第二处理器，在第一时间窗中发送第一信息块，或者，在所述第一时间窗中放弃发送所述第一信息块；
    其中，所述第一信息块指示第二资源块，所述第二资源块位于所述第一时间窗之内，第一资源块位于所述第一时间窗之外；第一信令指示第一资源池被预留，所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中发送所述第一信息块有关。
  8. 一种被用于无线通信的第三节点设备，其特征在于，包括：
    第三处理器，发送第一信令；
    其中，所述第一信令指示第一资源池被预留；第一资源块和所述第一资源池不正交，第二资源块和所述第一资源池不正交，所述第二资源块位于第一时间窗之内，所述第一资源块位于所述第一时间窗之外；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合；所述信道感知是否在所述第二资源块中被执行与所述信道感知的执行者是否在所述第一时间窗中检测到第一信息块有关，所述第一信息块指示所述第二资源块。
  9. 一种被用于无线通信的第一节点中的方法，其特征在于，包括：
    接收第一信令；
    在第一时间窗中执行信道感知，并在所述第一时间窗中监测第一信息块；
    判断第一资源块是否属于第一候选资源块集合；
    其中，所述第一信令指示第一资源池被预留；所述第一信息块指示第二资源块；所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交，所述第二资源块位于所述第一时间窗之内，所述第一资源块位于所述第一时间窗之外；所述信道感知的结果被用于判断所述第一资源块是否属于所述第一候选资源块集合，所述信道感知是否在所 述第二资源块中被执行与是否在所述第一时间窗中检测到所述第一信息块有关。
  10. 一种被用于无线通信的第二节点中的方法，其特征在于，包括：
    在第一时间窗中发送第一信息块，或者，在所述第一时间窗中放弃发送所述第一信息块；
    其中，所述第一信息块指示第二资源块，所述第二资源块位于所述第一时间窗之内，第一资源块位于所述第一时间窗之外；第一信令指示第一资源池被预留，所述第一资源块和所述第一资源池不正交，所述第二资源块和所述第一资源池不正交；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合，所述信道感知是否在所述第二资源块中被执行与是否在所述第一时间窗中发送所述第一信息块有关。
  11. 一种被用于无线通信的第三节点中的方法，其特征在于，包括：
    发送第一信令；
    其中，所述第一信令指示第一资源池被预留；第一资源块和所述第一资源池不正交，第二资源块和所述第一资源池不正交，所述第二资源块位于第一时间窗之内，所述第一资源块位于所述第一时间窗之外；在所述第一时间窗中被执行的信道感知的结果被用于判断所述第一资源块是否属于第一候选资源块集合；所述信道感知是否在所述第二资源块中被执行与所述信道感知的执行者是否在所述第一时间窗中检测到第一信息块有关，所述第一信息块指示所述第二资源块。
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