WO2019149242A1 - Procédé et appareil pour une communication sans fil dans une station de base et un équipement utilisateur - Google Patents

Procédé et appareil pour une communication sans fil dans une station de base et un équipement utilisateur Download PDF

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Publication number
WO2019149242A1
WO2019149242A1 PCT/CN2019/074125 CN2019074125W WO2019149242A1 WO 2019149242 A1 WO2019149242 A1 WO 2019149242A1 CN 2019074125 W CN2019074125 W CN 2019074125W WO 2019149242 A1 WO2019149242 A1 WO 2019149242A1
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target
spatial parameter
control signal
threshold
parameter group
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Chinese (zh)
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陈晋辉
张晓博
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Shanghai Langbo Communication Technology Co Ltd
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Shanghai Langbo Communication Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H04L5/0025—Spatial division following the spatial signature of the channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

Definitions

  • the present application relates to a transmission scheme for wireless signals in a wireless communication system, and more particularly to a method and apparatus for transmitting and unlicensed spectrums for multiple antennas.
  • LTE Long-term Evolution
  • LAA Licensed Assisted Access
  • Massive MIMO Multi-Input Multi-Output
  • LBT Long Term Evolution
  • the present application discloses a solution. It should be noted that, in the case of no conflict, the features in the embodiments and embodiments in the UE (User Equipment) of the present application can be applied to the base station, and vice versa. Further, the features of the embodiments and the embodiments of the present application may be combined with each other arbitrarily without conflict.
  • the present application discloses a method for use in a user equipment for wireless communication, comprising:
  • the first control signal indicating a target time-frequency resource and a first spatial parameter set used to transmit the first wireless signal
  • the first wireless signal can be sent on the target time-frequency resource, sending, by using the first spatial parameter group, the first wireless signal on the target time-frequency resource;
  • the target threshold is associated with the target spatial parameter group, the target threshold is greater than or equal to a first reference threshold, and the first reference threshold is associated with the first spatial parameter group.
  • the above is used for uplink channel access on the unlicensed spectrum.
  • the common knowledge is that for the uplink wireless transmission on the unlicensed spectrum, the UE performs the omnidirectional LBT using the default energy detection threshold determined by default, and is not configured according to the reception directivity of the LBT or selects different energy detection thresholds. .
  • an advantage of the foregoing method is that the UE selects a receive beam of the directional LBT that covers the direction of the wireless signal transmission according to the direction of the uplink wireless signal, and uses the threshold associated with the directional LBT receive beam for channel access.
  • the performance of directional transmission is improved while avoiding interference with ongoing transmissions in other directions.
  • another advantage of the foregoing method is that the UE associates the receive beam of the directional LBT covering the direction of the wireless signal transmission according to the sending direction of the uplink wireless signal, and uses the threshold associated with the directional LBT receive beam for channel access, thereby Improve the performance of directional transmission while avoiding interference with ongoing transmissions in other directions.
  • another advantage of the foregoing method is that the UE selects a beamwidth and an associated threshold of the directional LBT according to the first reference threshold, thereby improving flexibility of the LBT system.
  • the method is characterized in that the target spatial parameter group is one of K candidate spatial parameter groups, the target threshold is one of K candidate thresholds, and the K candidate spatial parameter groups are The K candidate thresholds are in one-to-one correspondence, and the K is a positive integer greater than 1.
  • one benefit of the above method is to enhance the flexibility of the directional LBT system by increasing the candidate LBT beams.
  • the above method is characterized in that: receiving K reference signal groups, the K candidate spatial parameter groups are respectively used to receive the K reference signal groups, and the target spatial parameter group is One of the K candidate spatial parameter sets.
  • one advantage of the above method is that the K candidate LBT beams are determined by the UE by way of reference signal group reception, thereby increasing the flexibility of the directional LBT system.
  • the above method is characterized by comprising: receiving a second control signal, the second control signal indicating the K candidate thresholds.
  • one advantage of the above method is that the base station configures multiple candidate thresholds, thereby increasing the flexibility of the directional LBT system.
  • the method is characterized in that the second control signal indicates K difference values, the K difference values being respectively equal to a difference between the K candidate thresholds and the first reference threshold value.
  • one advantage of the above method is that the base station configures multiple candidate thresholds by indicating a difference value, thereby reducing signaling overhead.
  • the above method is characterized in that the first control signal indicates the target threshold.
  • one advantage of the foregoing method is that the LBT receive beam used for uplink channel access is determined by the base station configuration threshold, thereby increasing system flexibility and reducing signaling overhead.
  • the above method is characterized in that the first spatial parameter group is associated with the target spatial parameter group.
  • one advantage of the above method is that the uplink flexibility is associated with the LBT receive beam for uplink channel access, thereby increasing system flexibility and reducing signaling overhead.
  • the above method is characterized in that: before receiving the first control signal, receiving L reference signal groups, the L being a positive integer greater than 1; wherein the first reference signal group is Determining one of the L reference signal groups, the first control signal indicating the first reference signal group, the first spatial parameter group and a spatial parameter used to receive the first reference signal group A group association, the target spatial parameter group being associated with the first reference signal group.
  • one advantage of the above method is that the downlink reference signal group is used to perform an indication of the uplink transmit beam, thereby increasing the flexibility of the system.
  • the above method is characterized in that said first control signal indicates a maximum equivalent isotropic radiation power used to transmit said first wireless signal, said target threshold being said to be substantially equivalent Associated with radiated power.
  • one advantage of the above method is that the energy detection threshold is implicitly indicated by configuring the maximum equivalent isotropic radiation power, thereby saving signaling overhead.
  • the above method is characterized in that a spatial coverage generated by using the target spatial parameter set is greater than a spatial coverage generated by using the first spatial parameter set.
  • the method is characterized in that the sender of the first control signal performs a second type of energy detection using a second spatial parameter set before transmitting the first control signal, using the second space
  • the spatial coverage generated by the parameter group is greater than the spatial coverage generated by the target spatial parameter group.
  • one advantage of the above method is that the base station uses an omnidirectional or wider beam for LBT of downlink channel access before using the directional LBT for uplink channel access, thereby avoiding uplink wireless signal transmission to other directions. Interference from ongoing transmissions.
  • the present application discloses a method in a base station used for wireless communication, comprising:
  • the receiver of the first control signal performs the first type of energy detection by using the target spatial parameter group, and uses the comparison result of the first type of energy detection with the target threshold to determine whether the target time-frequency resource is available. Transmitting the first wireless signal, the target threshold is associated with the target spatial parameter group, the target threshold is greater than or equal to a first reference threshold, and the first reference threshold is associated with the first spatial parameter group.
  • the method is characterized in that: the target spatial parameter group is one of K candidate spatial parameter groups, the target threshold is one of K candidate thresholds, and the K candidate spatial parameter groups Corresponding to the K candidate thresholds, the K is a positive integer greater than one.
  • the above method is characterized in that: transmitting K reference signal groups, the K candidate spatial parameter groups are respectively used to receive the K reference signal groups, and the target spatial parameter group is One of the K candidate spatial parameter sets.
  • the above method is characterized by comprising:
  • a second control signal is transmitted, the second control signal indicating the K candidate thresholds.
  • the method is characterized in that the second control signal indicates K difference values, the K difference values being respectively equal to a difference between the K candidate thresholds and the first reference threshold value.
  • the above method is characterized in that the first control signal indicates the target threshold.
  • the above method is characterized in that the first spatial parameter group is associated with the target spatial parameter group.
  • the above method is characterized by comprising
  • the first reference signal group is one of the L reference signal groups, the first control signal indicates the first reference signal group, and the first spatial parameter group is used for receiving A spatial parameter group association of the first reference signal group, the target spatial parameter group being associated with the first reference signal group.
  • the above method is characterized in that said first control signal indicates a maximum equivalent isotropic radiation power used to transmit said first wireless signal, said target threshold being said to be substantially equivalent Associated with radiated power.
  • the above method is characterized in that a spatial coverage generated by using the target spatial parameter set is greater than a spatial coverage generated by using the first spatial parameter set.
  • the above method is characterized in that the second type of energy detection is performed using the second spatial parameter set before transmitting the first control signal; wherein the spatial coverage generated by the second spatial parameter set is used Greater than the spatial coverage generated by the target spatial parameter group.
  • the present application discloses a user equipment used for wireless communication, which includes:
  • a first receiver receiving a first control signal, the first control signal indicating a target time-frequency resource and a first spatial parameter set used to transmit the first wireless signal;
  • the second receiver performs the first type of energy detection using the target spatial parameter group
  • the first processor determines whether the first wireless signal can be sent on the target time-frequency resource by using a comparison result between the result of the first type of energy detection and a target threshold; if it is determined that the target time-frequency resource cannot be Transmitting the first wireless signal, and then discarding transmitting the first wireless signal on the target time-frequency resource;
  • the third transmitter uses the first spatial parameter group to send the first on the target time-frequency resource wireless signal;
  • the target threshold is associated with the target spatial parameter group, the target threshold is greater than or equal to a first reference threshold, and the first reference threshold is associated with the first spatial parameter group.
  • the foregoing user equipment is characterized in that the target spatial parameter group is one of K candidate spatial parameter groups, the target threshold is one of K candidate thresholds, and the K candidate spatial parameter groups and The K candidate thresholds are in one-to-one correspondence, and the K is a positive integer greater than one.
  • the foregoing user equipment is characterized in that the first receiver receives K reference signal groups, and the K candidate spatial parameter groups are respectively used to receive the K reference signal groups, the target spatial parameters.
  • the group is one of the K candidate spatial parameter groups.
  • the user equipment is characterized in that the first receiver receives a second control signal, and the second control signal indicates the K candidate thresholds.
  • the foregoing user equipment is characterized in that: the second control signal indicates K difference values, and the K difference values are respectively equal to a difference between the K candidate thresholds and the first reference threshold .
  • the user equipment is characterized in that the first control signal indicates the target threshold.
  • the user equipment is characterized in that the first spatial parameter group is associated with the target spatial parameter group.
  • the user equipment is characterized in that the first receiver receives L reference signal groups before receiving the first control signal, and the L is a positive integer greater than 1; wherein the first reference signal The group is a reference signal group of the L reference signal groups, the first control signal indicates the first reference signal group, and the first spatial parameter group is used to receive the first reference signal group Spatial parameter group association, the target spatial parameter group being associated with the first reference signal group.
  • the user equipment is characterized in that the first control signal indicates a maximum equivalent omnidirectional radiation power used to transmit the first wireless signal, the target threshold and the maximum equivalent omnidirectional Radiation power correlation.
  • the user equipment is characterized in that the spatial coverage generated by using the target spatial parameter group is greater than the spatial coverage generated by using the first spatial parameter group.
  • the user equipment is characterized in that: the sender of the first control signal performs a second type of energy detection by using a second spatial parameter group before transmitting the first control signal, and adopting the second spatial parameter.
  • the spatial coverage generated by the group is greater than the spatial coverage generated by the target spatial parameter group.
  • the present application discloses a base station device used for wireless communication, which includes:
  • a third receiver monitoring the first wireless signal on the target time-frequency resource
  • the receiver of the first control signal performs the first type of energy detection by using the target spatial parameter group, and uses the comparison result of the first type of energy detection with the target threshold to determine whether the target time-frequency resource is available. Transmitting the first wireless signal; the target threshold is associated with the target spatial parameter group, the target threshold is greater than or equal to a first reference threshold, and the first reference threshold is associated with the first spatial parameter group.
  • the foregoing base station device is characterized in that the first transmitter sends a second control signal, and the second control signal indicates K candidate thresholds;
  • the target threshold is one of the K candidate thresholds, and the K is a positive integer.
  • the foregoing base station device is characterized in that the target spatial parameter group is one of K candidate spatial parameter groups, the target threshold is one of K candidate thresholds, and the K candidate spatial parameter groups and The K candidate thresholds are in one-to-one correspondence, and the K is a positive integer greater than one.
  • the foregoing base station device is characterized in that: the first transmitter sends K reference signal groups, and the K candidate spatial parameter groups are respectively used to receive the K reference signal groups, the target space
  • the parameter group is one of the K candidate spatial parameter groups.
  • the above base station device is characterized in that the first transmitter transmits a second control signal, and the second control signal indicates the K candidate thresholds.
  • the foregoing base station device is characterized in that: the second control signal indicates K difference values, and the K difference values are respectively equal to a difference between the K candidate thresholds and the first reference threshold .
  • the above base station device is characterized in that the first control signal indicates the target threshold.
  • the foregoing base station device is characterized in that the first spatial parameter group is associated with the target spatial parameter group.
  • the foregoing base station device is characterized in that the first transmitter sends L reference signal groups before transmitting the first control signal, and the L is a positive integer greater than 1; wherein, the first reference signal The group is a reference signal group of the L reference signal groups, the first control signal indicates the first reference signal group, and the first spatial parameter group is used to receive the first reference signal group Spatial parameter group association, the target spatial parameter group being associated with the first reference signal group.
  • the base station device is characterized in that the first control signal indicates a maximum equivalent omnidirectional radiation power used to transmit the first wireless signal, the target threshold and the maximum equivalent omnidirectional Radiation power correlation.
  • the foregoing base station device is characterized in that the spatial coverage generated by using the target spatial parameter group is greater than the spatial coverage generated by using the first spatial parameter group.
  • the foregoing base station device is characterized in that: before transmitting the first control signal, the third receiver performs a second type of energy detection by using a second spatial parameter group; wherein the second spatial parameter group is adopted The generated spatial coverage is larger than the spatial coverage generated by the target spatial parameter group.
  • the present application has the following main technical advantages over the prior art:
  • FIG. 1 shows a flow chart of a first control signal and a first wireless signal in accordance with an embodiment of the present application
  • FIG. 2 shows a schematic diagram of a network architecture in accordance with one embodiment of the present application
  • FIG. 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane in accordance with one embodiment of the present application
  • FIG. 4 shows a schematic diagram of an evolved node and a UE according to an embodiment of the present application
  • FIG. 5 shows a flow chart of wireless transmission in accordance with one embodiment of the present application
  • FIG. 6 shows a schematic diagram of a first spatial parameter set, a target spatial parameter set, a target threshold, and a first reference threshold, in accordance with an embodiment of the present application
  • FIG. 7 shows a schematic diagram of K candidate spatial parameter sets and K candidate thresholds in accordance with an embodiment of the present application
  • Figure 8 shows a schematic diagram of K reference signal groups and target spatial parameter sets in accordance with one embodiment of the present application
  • FIG. 9 shows a schematic diagram of L reference signal groups and a first spatial parameter set in accordance with an embodiment of the present application.
  • FIG. 10 shows a schematic diagram of a second spatial parameter set, a target spatial parameter set and a first spatial parameter set, in accordance with an embodiment of the present application
  • FIG. 11 is a schematic diagram showing an antenna structure of a first type of communication node according to an embodiment of the present application.
  • FIG. 12 is a block diagram showing the structure of a processing device for use in a user equipment according to an embodiment of the present application.
  • Figure 13 shows a block diagram of a structure for a processing device in a base station in accordance with one embodiment of the present application.
  • Embodiment 1 illustrates a flow chart of a first control signal and a first spatial parameter set according to the present application, as shown in FIG. In Figure 1, each box represents a step.
  • the user equipment in the present application receives a first control signal, where the first control signal indicates a target time-frequency resource and a first spatial parameter group used to transmit the first wireless signal; and the target spatial parameter group is adopted.
  • Performing a first type of energy detection determining whether the first wireless signal can be sent on the target time-frequency resource by using a result of comparing the result of the first type of energy detection with a target threshold; if it is determined that the target can be Transmitting the first radio signal on the frequency resource, using the first spatial parameter group to send the first radio signal on the target time-frequency resource; if it is determined that the first radio frequency resource cannot be sent on the target time-frequency resource Transmitting, by the first wireless signal, the first wireless signal on the target time-frequency resource; wherein the target threshold is associated with the target spatial parameter group, and the target threshold is greater than or equal to a first reference threshold, The first reference threshold is associated with the first set of spatial parameters.
  • the above method is used for channel access on an unlicensed spectrum.
  • the licensed spectrum is used to transmit the first control signal.
  • an omnidirectional antenna is used to transmit the first control signal.
  • the first control signal is physical layer control signaling.
  • the first control signal is higher layer control signaling.
  • the first control signal is RRC (Radio Resource Control) signaling.
  • the first control signal is a downlink control signal.
  • the first control signal is a wireless signal generated by DCI (Downlink Control Information).
  • DCI Downlink Control Information
  • the first control signal is a PDCCH (Physical Downlink Control Channel).
  • the first control signal is a wireless signal generated by an uplink grant DCI.
  • one of the spatial parameter sets includes parameters of a phase shifter acting on a radio frequency link.
  • one of the spatial parameter sets includes parameters of a phase shifter acting on a radio frequency link.
  • one of the spatial parameter sets is used to generate a transmit beam.
  • one of the spatial parameter sets is used to generate a receive beam.
  • one of the spatial parameter sets includes a beamforming coefficient that is used to generate a transmit beam.
  • one of the spatial parameter sets includes a beamforming coefficient that is used to generate a receive beam.
  • one of the spatial parameter sets includes parameters that are used to transmit spatial filtering.
  • one of the spatial parameter sets includes parameters that are used to receive spatial filtering.
  • one of the spatial parameter sets is used to directionally transmit a wireless signal.
  • one of the spatial parameter sets is used to directionally receive wireless signals.
  • one of the spatial parameter sets corresponds to a multi-antenna transmission scheme.
  • one of the spatial parameter sets corresponds to a multi-antenna receiving scheme.
  • one of the spatial parameter sets includes at least one of an amount of antenna elements, a state of an antenna element switch, a spacing between antenna elements, and a coefficient of a phase shifter.
  • the first set of spatial parameters is used to generate a transmit beam that transmits the first wireless signal.
  • the first set of spatial parameters acts on a phase shifter on a radio frequency link used to transmit the first wireless signal.
  • the first set of spatial parameters includes parameters of a phase shifter acting on a radio frequency link.
  • the first control signal indicates an RE (Resource Element) included in the target time-frequency resource.
  • the first control signal indicates an RB (Resource Block) included in the target time-frequency resource.
  • the first control signal indicates a time offset of the target time-frequency resource relative to a time resource in which the first control signal is located.
  • the first control signal indicates a symbol offset of the target time-frequency resource relative to a time resource in which the first control signal is located.
  • the target spatial parameter set is used to generate a receive beam that performs the first type of energy detection.
  • the set of target spatial parameters acts on a phase shifter on a radio frequency link that is used to receive wireless signals to perform the first type of energy detection.
  • the target spatial parameter set includes parameters that act on the phase shifter.
  • the equivalent channel generated by using the first spatial parameter group and the equivalent channel generated by using the target spatial parameter group are spatially QCL (Quasi Co-located).
  • a large-scale parameter of an equivalent channel generated using the first set of spatial parameters may be used to infer a large-scale parameter of an equivalent channel generated using the target spatial parameter set.
  • the large-scale parameters include at least one of delay spread, Doppler spread, Doppler shift, average gain, average delay, spatial transmission parameters, and spatial reception parameters.
  • the first set of spatial parameters is used to infer the set of target spatial parameters.
  • the energy detection once means that the user equipment monitors the received power for a period of time for a given duration.
  • the energy detection once means that the user equipment monitors the received energy for a period of time for a given duration.
  • the energy detection is performed once: the user equipment senses (Sense) all the wireless signals on a given frequency domain resource for a given power for a period of time within a given duration;
  • the given frequency domain resource is a frequency band in which the target time-frequency resource is located.
  • the energy detection is performed once: the user equipment senses (Sense) all the wireless signals on a given frequency domain resource for a given energy for a period of time within a given duration;
  • the given frequency domain resource is a frequency band in which the target time-frequency resource is located.
  • the energy detection is energy detection in an LBT (Listen Before Talk).
  • the energy detection is implemented by an energy detection method in WiFi.
  • the energy detection is implemented by measuring RSSI (Received Signal Strength Indication).
  • the target threshold and the first reference threshold are both power thresholds.
  • the target threshold and the first reference threshold are both energy detection thresholds.
  • the unit of the target threshold and the first reference threshold is milliwatts.
  • the unit of the target threshold and the first reference threshold is Joule.
  • the unit of the target threshold and the first reference threshold is mdB.
  • each of the first type of energy detection uses the target spatial parameter set to receive a wireless signal.
  • the detection power obtained by performing the first type of energy detection by using the target spatial parameter group multiple times is used to determine whether the first wireless signal can be sent on the target time-frequency resource.
  • the first type of energy detection is performed by using the target spatial parameter group to obtain L1 detection powers for a total of L1 times, and the L1 is a positive integer not less than 1.
  • the L1 detection powers are lower than the target threshold, and the user equipment uses the first spatial parameter group to send the first wireless signal on the target time-frequency resource.
  • At least one of the L1 detection powers is higher than the target power threshold, and the user equipment discards transmitting the first wireless signal on the target time-frequency resource.
  • the Q1 detection powers of the L1 detection powers are lower than the target threshold, and the user equipment sends the first on the target time-frequency resource by using the first spatial parameter group.
  • Wireless signal, said Q1 being a positive integer.
  • the number of the L1 detection powers that is lower than the target threshold is smaller than the Q1, and the user equipment discards sending the first wireless signal on the target time-frequency resource.
  • both L1 and Q1 are one.
  • the L1 is greater than the Q1.
  • the L1 is equal to the Q1.
  • the time slot is used. It is called the first type of idle time slot.
  • the length of the time slot is 16 microseconds.
  • the length of the time slot is 9 microseconds.
  • the time period is a duration of no less than 4 microseconds.
  • the first type of energy detection is performed on successive L2 time slots, the L2 being a positive integer not less than one.
  • the L2 time slots are all the first type of idle time slots, and the user equipment sends the first wireless signal on the target time-frequency resource by using the first spatial parameter group.
  • At least one of the L2 time slots is not the first type of idle time slot, and the user equipment abandons sending the first wireless signal on the target time-frequency resource.
  • the Q2 time slots in the L2 time slots are the first type of idle time slots, and the user equipment sends the the first spatial parameter group on the target time-frequency resource.
  • the first wireless signal, the Q2 is a positive integer.
  • the number of the first type of idle time slots in the L2 time slots is smaller than the Q2, and the user equipment abandons sending the first wireless signal on the target time-frequency resource.
  • both L2 and Q2 are one.
  • the L2 is greater than the Q2.
  • the L2 is equal to the Q2.
  • a delay period consists of consecutive Q1 slots, the Q1 being a positive integer; there are K1 delay periods before the target time-frequency resource, and the K1 is a positive integer.
  • the K1 is a random number.
  • the time slots in the K1 delay time periods are all the first type of idle time slots, and the user equipment uses the first spatial parameter group to send the information on the target time-frequency resource.
  • the first wireless signal is
  • the at least one time slot in the K1 delay time periods is not the first type of idle time slot, and the user equipment discards sending the first wireless signal on the target time-frequency resource.
  • the target threshold is related to a beamwidth generated using the target spatial parameter set.
  • the target threshold is in one-to-one correspondence with a beam width generated by using the target spatial parameter group.
  • the wider the width of the beam generated by the target spatial parameter set the higher the target threshold.
  • the target threshold is used to determine the target spatial parameter set.
  • the first reference threshold is an energy detection threshold associated with the assumption that the first set of spatial parameters is used to perform energy detection.
  • the first reference threshold is an energy detection threshold associated with assuming that the first spatial parameter set generates a receive beam for performing energy detection.
  • the first reference threshold is an energy detection threshold associated with assuming that a receive beam that is the same as a spatial coverage of a transmit beam generated by the first spatial parameter group space is used to perform energy detection.
  • the target threshold is equal to the first reference threshold.
  • the target threshold is greater than the first reference threshold.
  • the first set of spatial parameters is used to determine the set of target spatial parameters.
  • the target spatial parameter set is associated to the first spatial parameter set.
  • the first spatial parameter group and the target spatial parameter group respectively include a first vector and a target vector, and the correlation between the first vector and the target vector is 1, and the first threshold is equal to The first reference threshold.
  • the first spatial parameter group and the target spatial parameter group respectively comprise a first vector and a target vector, a correlation between the first vector and the target vector is less than 1, and the first threshold is smaller than The first reference threshold.
  • the K1 candidate thresholds and the K1 candidate spatial parameter sets are in one-to-one correspondence, and the target spatial parameter group belongs to one of the K1 candidate spatial parameter sets, and the first threshold is One candidate threshold corresponding to the target spatial parameter group among the K1 candidate thresholds, and any one of the K1 candidate spatial parameter sets includes one or more candidate spatial parameter sets.
  • the target spatial parameter group is one of K candidate spatial parameter groups
  • the target threshold is one of K candidate thresholds
  • the K candidate spatial parameter groups and the K candidate thresholds are one by one
  • the K is a positive integer greater than one.
  • the user equipment receives K reference signal groups, where the K candidate spatial parameter groups are respectively used to receive the K reference signal groups, and the target spatial parameter group is the K candidate spaces.
  • the K candidate spatial parameter groups are respectively used to receive the K reference signal groups
  • the target spatial parameter group is the K candidate spaces.
  • One of the parameter groups is the K reference signal groups.
  • the user equipment receives a second control signal, and receives a second control signal, the second control signal indicating the K candidate thresholds.
  • the second control signal is a DCI generated wireless signal.
  • the second control signal is common to the cell.
  • the second control signal is for the user equipment.
  • the second control signal is higher layer control signaling.
  • the second control signal is RRC (Radio Resource Control) signaling.
  • the second control signal indicates K difference values, which are respectively equal to a difference between the K candidate thresholds and the first reference threshold.
  • the first control signal indicates a difference between the first reference threshold and the first threshold; and a difference between the first reference threshold and the first threshold is the K differences One, or 0.
  • the first threshold is equal to the first reference threshold if the difference between the first reference threshold and the first threshold is 0, the first threshold is equal to the first reference threshold.
  • the K difference values and the first reference threshold are used to infer the K candidate thresholds.
  • the first control signal indicates the target threshold.
  • the first control signal indicates the target threshold from the K candidate thresholds.
  • the first control signal indicates the target threshold from P1 candidate thresholds, the P1 candidate thresholds are determined by default, and the P1 is a positive integer greater than 1.
  • the first spatial parameter set is associated with the target spatial parameter set.
  • the user equipment determines the target spatial parameter group by using the first spatial parameter group.
  • the association between the first spatial parameter group and the target spatial parameter group is configured by a base station.
  • the first spatial parameter group corresponds to P2 candidate spatial parameter groups
  • the target spatial parameter group is one of the P2 candidate spatial parameter groups
  • the P2 is a positive integer greater than 1.
  • the maximum gain direction of the receive beam generated by using the target spatial parameter set is in line with the maximum gain direction of the transmit beam generated by using the first spatial parameter set.
  • the spatial coverage of the receive beam generated by using the target spatial parameter group is greater than the spatial coverage of the transmit beam generated by using the first spatial parameter set.
  • the spatial coverage of the receive beam generated by using the target spatial parameter set covers the spatial coverage of the transmit beam generated by using the first spatial parameter set.
  • the coverage angle of the reception beam generated by using the target spatial parameter group is larger than the transmission angle coverage of the transmission beam generated by using the first spatial parameter group.
  • the target spatial parameter group is one candidate spatial parameter group of the K candidate spatial parameter groups, and the K candidate spatial parameter groups are corresponding to the K candidate thresholds, and the first threshold is One candidate threshold corresponding to the target spatial parameter group among the K candidate thresholds.
  • the first spatial parameter group is one candidate spatial parameter group of the K candidate spatial parameter groups
  • the first reference threshold is the first one of the K candidate thresholds and the first spatial parameter.
  • the method comprises the following:
  • Receiving L reference signal groups the L being a positive integer greater than 1 before receiving the first control signal
  • the first reference signal group is one of the L reference signal groups, the first control signal indicates the first reference signal group, and the first spatial parameter group is used for receiving A spatial parameter group association of the first reference signal group, the target spatial parameter group being associated with the first reference signal group.
  • the reference signal in the L reference signal groups is a downlink reference signal.
  • the reference signal in the L reference signal groups is a CSI-RS (Channel State Information Reference Signal).
  • one of the reference signal groups includes a reference signal.
  • one of the reference signal groups includes a plurality of reference signals.
  • one of the reference signal groups is a reference signal in a CSI-RS resource (CSI-RS resource)
  • one of the reference signal groups corresponds to a CRI (Channel State Information Reference Signal Resource Identity).
  • the reference signal in the L reference signal groups is SS (Sychronization Signal).
  • one of the reference signal groups is a reference signal in an SSB (Syncronization Signal BlocL).
  • SSB Synchronization Signal BlocL
  • one of the reference signal groups corresponds to a time retrieval of an SSB.
  • the first control signal indicates an identification of the first reference signal group.
  • the first set of spatial parameters includes spatial parameters used to receive the first set of reference signals.
  • the spatial parameters in the first spatial parameter set are in one-to-one correspondence with the spatial parameters used to receive the first reference signal group.
  • the spatial coverage of the receive beam used to receive the first set of reference signals is the same as the spatial coverage of the transmit beam generated using the first set of spatial parameters.
  • a set of spatial parameters used to receive the first set of reference signals is used to infer the first set of spatial parameters.
  • a set of spatial parameters used to receive the first set of reference signals is used to infer the set of target spatial parameters.
  • a set of spatial parameters used to receive the first set of reference signals is used to determine the set of target spatial parameters.
  • a set of spatial parameters used to receive the first set of reference signals is used to determine the P2 candidate spatial parameter sets.
  • the user equipment receives M reference signal groups before receiving the first control signal, where M is a positive integer greater than 1; wherein the target reference signal group is in the M reference signal groups a reference signal group, the target spatial reception parameter set is used to receive the target reference signal group, and the target reference signal group is associated with the first reference signal group.
  • the target spatial receive parameter set is used to generate a receive beam that receives the target reference signal group.
  • the first control signal indicates the first reference signal group
  • the user equipment determines the target reference signal group by using the first reference signal group.
  • the reference signal in the M reference signal groups is a downlink reference signal.
  • the reference signal in the M reference signal groups is a CSI-RS (Channel State Information Reference Signal).
  • the first control signal indicates a maximum equivalent isotropic radiated power used to transmit the first wireless signal, the target threshold being associated with the maximum equivalent isotropic radiated power.
  • the equivalent isotropic radiated power used to transmit the first wireless signal is less than the maximum equivalent isotropic radiated power.
  • the sum of the target threshold and the maximum equivalent isotropic radiation power is a fixed value.
  • the fixed value is determined by default.
  • the fixed value is configured by a base station.
  • the value of the target threshold is in one-to-one correspondence with the value of the maximum equivalent isotropic radiation power.
  • the maximum equivalent isotropic radiated power is used by the user equipment to determine the target threshold.
  • the first control signal indicates a maximum equivalent isotropic radiated power used to transmit the first wireless signal from P3 maximum equivalent isotropic radiated power candidate values, the P3 being greater than 1 Positive integer.
  • the P3 candidate maximum equivalent isotropic radiated power candidate values are configured by a base station.
  • the P3 candidate maximum equivalent isotropic radiated power candidate values are determined by default.
  • the maximum equivalent isotropic radiated power is used to determine the set of target spatial parameters.
  • the value of the maximum equivalent isotropic radiation power is in one-to-one correspondence with the value of the beamwidth generated using the target spatial parameter set.
  • the spatial coverage generated by using the target spatial parameter group is greater than the spatial coverage generated by using the first spatial parameter group.
  • the sender of the first control signal performs the second type of energy detection by using the second spatial parameter group before transmitting the first control signal, and the spatial coverage generated by using the second spatial parameter group is greater than The spatial coverage generated by the target spatial parameter set is used.
  • the second type of energy parameter is used to receive the wireless signal each time the second type of energy detection.
  • the detection power obtained by performing the second type of energy detection by using the second spatial parameter group multiple times is used to determine whether the first control signal can be sent.
  • the second type of energy detection is performed by using the second spatial parameter group to obtain M1 detection powers for a total of M1 times, and the M1 is a positive integer not less than 1.
  • the M1 detection powers are all lower than the target threshold, and the sender of the first control signal sends the first control signal.
  • At least one of the M1 detection powers is higher than the target power threshold, and a sender of the first control signal abandons transmitting the first control signal.
  • the N1 detection powers of the M1 detection powers are all lower than the target threshold, and the sender of the first control signal sends the first control signal, where N1 is a positive integer.
  • the number of the M1 detection powers that is lower than the target threshold is smaller than the N1, and the sender of the first control signal abandons sending the first control signal.
  • the M1 and the N1 are both 1.
  • the M1 is greater than the N1.
  • the M1 is equal to the N1.
  • the detection power obtained by performing the second type of energy detection by using the second spatial parameter group on the time period is lower than the target threshold.
  • the slot is referred to as the second type of idle time slot.
  • the length of the time slot is 16 microseconds.
  • the length of the time slot is 9 microseconds.
  • the time period is a duration of no less than 4 microseconds.
  • the second type of energy detection is performed on successive M2 time slots, the M2 being a positive integer not less than one.
  • the M2 time slots are all the second type of idle time slots, and the sender of the first control signal sends the first control signal.
  • At least one of the M2 time slots is not the second type of idle time slot, and the sender of the first control signal abandons sending the first control signal.
  • the N2 time slots in the M2 time slots are the second type of idle time slots, and the sender of the first control signal sends the first control signal, where the N2 is a positive integer.
  • the number of the second type of idle time slots in the M2 time slots is smaller than the N2, and the sender of the first control signal abandons sending the first control signal.
  • the M2 and the N2 are both 1.
  • the M2 is greater than the N2.
  • the M2 is equal to the N2.
  • a delay period is composed of consecutive N1 slots, the N1 being a positive integer; there are K1 delay periods before the target time-frequency resource, and the K1 is a positive integer.
  • the K1 is a random number.
  • the time slots in the K1 delay time periods are all the second type of idle time slots, and the sender of the first control signal sends the first control signal.
  • the at least one time slot in the K1 delay time periods is not the second type of idle time slot, and the sender of the first control signal abandons sending the first control signal.
  • the spatial coverage generated by using the second spatial parameter set covers the spatial coverage generated by using the target spatial parameter group.
  • the second spatial parameter group is used to generate omnidirectional reception, and the target spatial parameter group is used to generate a directional receive beam.
  • Embodiment 2 illustrates a schematic diagram of a network architecture in accordance with the present application, as shown in FIG. 2 is a diagram illustrating an NR5G, LTE (Long-Term Evolution, Long Term Evolution) and LTE-A (Long-Term Evolution Advanced) system network architecture 200.
  • the NR 5G or LTE network architecture 200 may be referred to as an EPS (Evolved Packet System) 200 in some other suitable terminology.
  • EPS Evolved Packet System
  • the EPS 200 may include one or more UEs (User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, EPC (Evolved Packet Core)/5G-CN (5G-Core Network) , 5G core network) 210, HSS (Home Subscriber Server) 220 and Internet service 230.
  • UEs User Equipment
  • NG-RAN Next Generation Radio Access Network
  • EPC Evolved Packet Core
  • 5G-Core Network 5G-Core Network
  • 5G core network 5G core network
  • HSS Home Subscriber Server
  • Internet service 230 Internet service 230.
  • EPS can be interconnected with other access networks, but these entities/interfaces are not shown for simplicity.
  • the EPS provides packet switching services, although those skilled in the art will readily appreciate that the various concepts presented throughout this application can be extended to networks or other cellular networks that provide circuit switched services.
  • the NG-RAN includes an NR Node B (gNB) 203 and other gNBs 204
  • the gNB 203 provides user and control plane protocol termination for the UE 201.
  • the gNB 203 can be connected to other gNBs 204 via an Xn interface (eg, a backhaul).
  • the gNB 203 may also be referred to as a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmission and reception point), or some other suitable terminology.
  • the gNB 203 provides the UE 201 with an access point to the EPC/5G-CN 210.
  • Examples of UEs 201 include cellular telephones, 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, an MP3 player), a camera, a game console, a drone, an aircraft, a narrowband physical network device, a machine type communication device, a land vehicle, a car, a wearable device, or any other similar functional device.
  • SIP Session Initiation Protocol
  • PDAs personal digital assistants
  • a person skilled in the art may also refer to UE 201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term.
  • the gNB203 is connected to the EPC/5G-CN210 through the S1/NG interface.
  • the EPC/5G-CN210 includes an MME/AMF/UPF 211, other MME/AMF/UPF 214, an S-GW (Service Gateway) 212, and a P-GW (Packet Date Network Gateway) 213.
  • the MME/AMF/UPF 211 is a control node that handles signaling between the UE 201 and the EPC/5G-CN 210.
  • MME/AMF/UPF 211 provides bearer and connection management. All User IP (Internet Protocol) packets are transmitted through the S-GW 212, and the S-GW 212 itself is connected to the P-GW 213.
  • the P-GW 213 provides UE IP address allocation as well as other functions.
  • the P-GW 213 is connected to the Internet service 230.
  • the Internet service 230 includes an operator-compatible Internet Protocol service, and may specifically include the Internet, an intranet, an IMS (IP Multimedia Subsystem), and a PS Streaming Service (PSS).
  • IMS IP Multimedia Subsystem
  • PSS PS Streaming Service
  • the UE 201 corresponds to a user equipment in this application.
  • the gNB 203 corresponds to a base station in the present application.
  • the UE 201 supports multi-antenna transmission.
  • the gNB 203 supports multi-antenna transmission.
  • Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane in accordance with the present application, as shown in FIG. 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane and a control plane, and FIG. 3 shows a radio protocol architecture for user equipment (UE) and base station equipment (gNB or eNB) in 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 herein as PHY 301.
  • Layer 2 (L2 layer) 305 is above PHY 301 and is responsible for the link between the UE and the gNB through PHY 301.
  • the L2 layer 305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol). Protocol) Sublayer 304, which terminates at the gNB on the network side.
  • the UE may have several upper layers above the L2 layer 305, including a network layer (eg, an IP layer) terminated at the P-GW on the network side and terminated at the other end of the connection (eg, Application layer at the remote UE, server, etc.).
  • 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 handoff 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 due to HARQ.
  • the MAC sublayer 302 provides multiplexing between the logical and transport channels.
  • the MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in one cell between 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) 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 of Figure 3 is applicable to the user equipment in this application.
  • the radio protocol architecture of Figure 3 is applicable to the base station in this application.
  • a first control signal in the present application is generated by the PHY 301.
  • the first control signal in the present application is generated by the RRC sublayer 306.
  • K reference signal groups in the present application are generated in the PHY 301.
  • L reference signal groups in the present application are generated by the PHY 301.
  • a second control signal in the present application is generated by the PHY 301.
  • a second control signal in the present application is generated at the RRC sublayer 306.
  • Embodiment 4 shows a schematic diagram of a base station device and a given user equipment according to the present application, as shown in FIG. 4 is a block diagram of a gNB 410 in communication with a UE 450 in an access network.
  • a base station device (410) may include a controller/processor 440, a scheduler 443, a memory 430, a receive processor 412, a transmit processor 415, a MIMO transmit processor 441, a MIMO detector 442, and a transmitter/receiver 416. And an antenna 420.
  • a controller/processor 490, a memory 480, a data source 467, a transmit processor 455, a receive processor 452, a MIMO transmit processor 471, a MIMO detector 472, a transmitter/receiver 456 may be included in the user equipment (UE 450). And antenna 460.
  • the processing associated with the base station device (410) may include:
  • the upper layer packet arrives at the controller/processor 440, which provides header compression, encryption, packet segmentation and reordering, and multiplexing demultiplexing between the logical and transport channels for implementation L2 layer protocol of the user plane and the control plane; the upper layer packet may include data or control information, such as DL-SCH (Downlink Shared Channel);
  • DL-SCH Downlink Shared Channel
  • the controller/processor 440 can be associated with a memory 430 that stores program codes and data.
  • the memory 430 can be a computer readable medium;
  • the controller/processor 440 notifies the scheduler 443 of the transmission request, the scheduler 443 is configured to schedule the air interface resource corresponding to the transmission requirement, and notifies the controller/processor 440 of the scheduling result;
  • the controller/processor 440 transmits the control information for the downlink transmission obtained by the receiving processor 412 to the uplink receiving to the transmitting processor 415;
  • - Transmit processor 415 receives the output bit stream of controller/processor 440, implementing various signal transmission processing functions for the L1 layer (ie, the physical layer) including encoding, interleaving, scrambling, modulation, power control/allocation, and physics Layer control signaling (including PBCH, PDCCH, PHICH, PCFICH, reference signal) generation, etc.;
  • - MIMO transmit processor 441 spatial processing of data symbols, control symbols or reference signal symbols (such as multi-antenna pre-encoding, digital beamforming), output baseband signals to the transmitter 416;
  • - MIMO transmit processor 441 outputs an analog transmit beam-specific vector to transmitter 416;
  • Transmitter 416 is operative to convert the baseband signals provided by MIMO transmit processor 441 into radio frequency signals and transmit them via antenna 420; each transmitter 416 samples the respective input symbol streams to obtain respective sampled signal streams; each Transmitter 416 performs further processing (e.g., digital to analog conversion, amplification, filtering, upconversion, etc.) on the respective sample streams to obtain a downlink signal; analog transmit beamforming is processed in transmitter 416.
  • the processing associated with the user equipment may include:
  • Receiver 456 for converting radio frequency signals received through antenna 460 into baseband signals for MIMO detector 472; analog receive beamforming for processing in receiver 456;
  • a MIMO detector 472 for performing MIMO detection on the signal received from the receiver 456 and a MIMO-detected baseband signal for the receiving processor 452;
  • Receiving processor 452 extracts analog receive beamforming related parameter output to MIMO detector 472, MIMO detector 472 outputs analog receive beamforming vector to receiver 456;
  • the receiving processor 452 implements various signal receiving processing functions for the L1 layer (ie, the physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction, and the like;
  • the controller/processor 490 receives the bit stream output by the receive processor 452, provides header decompression, decryption, packet segmentation and reordering, and multiplexing demultiplexing between the logical and transport channels for implementation L2 layer protocol for user plane and control plane;
  • the controller/processor 490 can be associated with a memory 480 that stores program codes and data.
  • the memory 480 can be a computer readable medium;
  • the controller/processor 490 passes the control information for downlink reception obtained by the transmission processor 455 processing the uplink transmission to the reception processor 452.
  • the processing associated with the user equipment may include:
  • Data source 467 provides an upper layer packet to controller/processor 490, which provides header compression, encryption, packet segmentation and reordering, and multiplexing demultiplexing between the logical and transport channels, Implementing an L2 layer protocol for the user plane and the control plane; the upper layer packet may include data or control information, such as an UL-SCH (Uplink Shared Channel);
  • UL-SCH Uplink Shared Channel
  • the controller/processor 490 can be associated with a memory 480 that stores program codes and data.
  • the memory 480 can be a computer readable medium;
  • the controller/processor 490 transmits the control information for the uplink transmission obtained by the receiving processor 452 to the downlink reception to the transmitting processor 455;
  • the transmit processor 455 receives the output bit stream of the controller/processor 490, implementing various signal transmission processing functions for the L1 layer (ie, the physical layer) including coding, interleaving, scrambling, modulation, power control/allocation, and physics Layer control signaling (including PUCCH, SRS (Sounding Reference Signal)) generation, etc.;
  • - MIMO transmit processor 471 spatial processing of data symbols, control symbols or reference signal symbols (such as multi-antenna pre-encoding, digital beam shaping), output baseband signals to the transmitter 456;
  • - MIMO transmit processor 471 outputs an analog transmit beamforming vector to transmitter 457;
  • Transmitter 456 is operative to convert the baseband signals provided by MIMO transmit processor 471 into radio frequency signals and transmit them via antenna 460; each transmitter 456 samples the respective input symbol streams to obtain a respective sampled signal stream. Each transmitter 456 performs further processing (such as digital-to-analog conversion, amplification, filtering, up-conversion, etc.) on the respective sample streams to obtain an uplink signal.
  • the analog transmit beamforming is processed in transmitter 456.
  • the processing associated with the base station device (410) may include:
  • Receiver 416 for converting radio frequency signals received through antenna 420 into baseband signals for MIMO detector 442; analog receive beamforming for processing in receiver 416;
  • a MIMO detector 442 for performing MIMO detection on signals received from the receiver 416, and providing the received processor 442 with MIMO-detected symbols;
  • - MIMO detector 442 outputs an analog receive beamforming vector to the receiver 416;
  • the receiving processor 412 implements various signal receiving processing functions for the L1 layer (ie, the physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction, and the like;
  • the controller/processor 440 receives the bit stream output by the receive processor 412, provides header decompression, decryption, packet segmentation and reordering, and multiplexing demultiplexing between the logical and transport channels for implementation.
  • the controller/processor 440 can be associated with a memory 430 that stores program codes and data.
  • the memory 430 can be a computer readable medium;
  • the controller/processor 440 transmits the control information for the uplink transmission obtained by the transmission processor 415 to the downlink transmission to the receiving processor 412;
  • the UE 450 apparatus includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be in process with the at least one And the UE 450 device at least: receiving a first control signal, the first control signal indicating a target time-frequency resource and a first spatial parameter set used to transmit the first wireless signal; performing the first using the target spatial parameter group a type of energy detection; determining whether the first wireless signal can be sent on the target time-frequency resource by using a result of comparing the result of the first type of energy detection with a target threshold; if it is determined that the target time-frequency resource is available Transmitting the first wireless signal, using the first spatial parameter group to send the first wireless signal on the target time-frequency resource; if it is determined that the first wireless frequency signal cannot be sent on the target time-frequency resource Transmitting, by the wireless signal, the first wireless signal on the target time-frequency resource; wherein the target threshold is The target spatial parameter group is associated, the target threshold
  • the UE 450 includes: a memory storing a computer readable instruction program, the computer readable instruction program generating an action when executed by at least one processor, the action comprising: receiving a first control signal,
  • the first control signal indicates a target time-frequency resource and a first spatial parameter group used to transmit the first wireless signal; the first type of energy detection is performed by using the target spatial parameter group; and the result of using the first type of energy detection is Determining, by the comparison result of the target threshold, whether the first wireless signal can be sent on the target time-frequency resource; if it is determined that the first wireless signal can be sent on the target time-frequency resource, adopting the first space
  • the parameter group sends the first wireless signal on the target time-frequency resource; if it is determined that the first wireless signal cannot be sent on the target time-frequency resource, abandoning sending the a first wireless signal;
  • the target threshold is associated with the target spatial parameter set, the target threshold being greater than or equal to a first reference threshold, A first parameter set associated with said reference threshold and the first space
  • the gNB 410 device comprises: at least one processor and at least one memory, the at least one memory comprising computer program code; the at least one memory and the computer program code being configured to be in process with the at least one Used together.
  • the gNB 410 device at least: transmitting a first control signal, the first control signal indicating a target time-frequency resource and a first spatial parameter set used to transmit the first wireless signal; monitoring the target on the target time-frequency resource a first wireless signal; wherein the receiver of the first control signal performs the first type of energy detection by using the target spatial parameter group, and uses the comparison result of the first type of energy detection with the target threshold to determine whether it is in the Transmitting the first wireless signal on the target time-frequency resource, the target threshold is associated with the target spatial parameter group, the target threshold is greater than or equal to a first reference threshold, the first reference threshold and the first Spatial parameter group association.
  • the gNB 410 includes: a memory storing a computer readable instruction program, the computer readable instruction program generating an action when executed by at least one processor, the action comprising: transmitting a first control signal, The first control signal indicates a target time-frequency resource and a first spatial parameter set used to transmit the first wireless signal; monitoring the first wireless signal on the target time-frequency resource; wherein the first control The receiver of the signal performs the first type of energy detection by using the target spatial parameter group, and uses the comparison result of the first type of energy detection with the target threshold to determine whether the first wireless can be sent on the target time-frequency resource.
  • a signal the target threshold is associated with the target spatial parameter group, the target threshold is greater than or equal to a first reference threshold, and the first reference threshold is associated with the first spatial parameter group.
  • the UE 450 corresponds to the user equipment in this application.
  • gNB 410 corresponds to the base station in this application.
  • At least the first three of receiver 456, MIMO detector 472, receive processor 452, and controller/processor 490 are used to receive the first control signal in the present application.
  • receiver 456, MIMO detector 472, and receive processor 452 are used to perform the first type of energy detection in this application.
  • the receiving processor 452 is configured to determine whether the first wireless signal in the present application can be transmitted on the target time-frequency resource.
  • At least the first three of the transmit processor 455, the MIMO transmit processor 471, the transmitter 456, and the controller/processor 490 are used to transmit the first wireless signal in the present application.
  • receiver 456, MIMO detector 472, and receive processor 452 are used to receive the K reference signal groups in this application.
  • receiver 456, MIMO detector 472, and receive processor 452 are used to receive the second control signal in this application.
  • At least the first three of receiver 456, MIMO detector 472, receive processor 452, and controller/processor 490 are used to receive the L reference signal sets in this application.
  • At least the first three of the transmit processor 415, the MIMO transmit processor 441, the transmitter 416, and the controller/processor 440 are used to transmit the first control signal in the present application.
  • At least the first three of receiver 416, MIMO detector 442, receive processor 412, and controller/processor 440 are used to monitor the first wireless signal in the present application on the target time-frequency resource.
  • a transmit processor 415 As an embodiment, a transmit processor 415, a MIMO transmit processor 441, and a transmitter 416 are used to transmit the K reference signal sets in this application.
  • a transmit processor 415 As an embodiment, a transmit processor 415, a MIMO transmit processor 441, and a transmitter 416 are used to transmit the L reference signal sets in this application.
  • At least the first three of the transmit processor 415, the MIMO transmit processor 441, the transmitter 416, and the controller/processor 440 are used to transmit the second control signal in the present application.
  • a receiver 416, a MIMO detector 442, and a receive processor 412 are used to perform the second type of energy detection.
  • Embodiment 5 illustrates a flow chart of a wireless transmission, as shown in FIG.
  • the base station communicates with the user equipment.
  • the steps identified in blocks F1, F2, F3 and F4 in the figure are optional and the steps identified in block F5 may not be performed.
  • the base station N1 transmits a second control signal, transmits reference signals K group in step S12, transmits reference signals L group in step S13, the second type of energy detection performed in step S14, in step S15
  • the first control signal is transmitted, and the first wireless signal is monitored on the target time-frequency resource in step S16.
  • the second control signal receives the K reference signal group in step S22, the received reference signals L groups in step S23, receiving a first control signal in step S24, in step S25, The first type of energy detection is performed, and it is determined in step S26 whether the first wireless signal can be transmitted on the target time-frequency resource, and the first wireless signal is transmitted on the target time-frequency resource in step S27.
  • the first control signal indicates a U2 target time-frequency resource and a first spatial parameter group used to transmit the first wireless signal;
  • U2 performs a first type of energy detection by using a target spatial parameter group;
  • U2 adopts the The result of comparing the result of the first type of energy detection with the target threshold determines whether the first wireless signal can be sent on the target time-frequency resource; if U2 determines that the first wireless can be sent on the target time-frequency resource Transmitting, by using the first spatial parameter group, the first wireless signal on the target time-frequency resource; if it is determined that the first wireless signal cannot be sent on the target time-frequency resource, discarding Transmitting the first wireless signal on the target time-frequency resource; the target threshold is associated with the target spatial parameter group, the target threshold is greater than or equal to a first reference threshold, the first reference threshold and the first Spatial parameter group association.
  • the target spatial parameter group is one of K candidate spatial parameter groups
  • the target threshold is one of K candidate thresholds
  • the K candidate spatial parameter groups and the K candidate thresholds are one by one
  • the K is a positive integer greater than one.
  • the steps in the block F2 exist, the K candidate spatial parameter groups are respectively used to receive the K reference signal groups, and the target spatial parameter group is in the K candidate spatial parameter groups. one of.
  • the steps in block F1 exist and the second control signal indicates the K candidate thresholds.
  • the second control signal indicates K difference values, which are respectively equal to a difference between the K candidate thresholds and the first reference threshold.
  • the step in block F3 exists, the L is a positive integer greater than 1, the first reference signal group is one of the L reference signal groups, and the first control signal indicates The first reference signal group, the first spatial parameter group is associated with a spatial parameter group used to receive the first reference signal group, and the target spatial parameter group is associated with the first reference signal group.
  • the first control signal indicates a maximum equivalent isotropic radiated power used to transmit the first wireless signal, the target threshold being associated with the maximum equivalent isotropic radiated power.
  • the spatial coverage generated by using the target spatial parameter group is greater than the spatial coverage generated by using the first spatial parameter group.
  • the sender of the first control signal performs the second type of energy detection by using the second spatial parameter group before transmitting the first control signal, and the spatial coverage generated by using the second spatial parameter group is greater than The spatial coverage generated by the target spatial parameter set is used.
  • Embodiment 6 exemplifies a first spatial parameter set, a target spatial parameter set, a target threshold, and a first reference threshold, as shown in FIG.
  • the first spatial parameter set in the present application is used to generate the reference receive beam in FIG. 6, and the target spatial parameter set in this application is used to generate the target receive beam in FIG.
  • the target receive beam receives a wireless signal in a first type of energy detection in the present application.
  • the first reference threshold in the present application is an energy detection threshold used for determining when the reference receiving beam is used for energy detection for uplink channel access.
  • the target threshold in the present application is an energy detection threshold used for determining when the target receiving beam is used for energy detection for uplink channel access.
  • the beamwidth of the reference receive beam is smaller than the beamwidth of the target receive beam.
  • the receiving angle range of the target receiving beam covers a receiving angle range of the reference receiving beam.
  • the target threshold is greater than the first reference threshold.
  • Embodiment 7 exemplifies K candidate spatial parameter sets and K candidate thresholds, as shown in FIG.
  • the K candidate spatial parameter groups in the present application are respectively used to generate K candidate reception beams, that is, candidate reception beams #1-#K.
  • the K candidate transmit beams have different beamwidths.
  • the K candidate thresholds in the present application are in one-to-one correspondence with the K candidate receive beams.
  • the target spatial parameter set in the present application is used to generate a target receive beam, which is one of the K candidate receive beams.
  • the target threshold in the present application is one of the K candidate thresholds.
  • the first set of spatial parameters in the present application is used to generate a reference receive beam, which is one of the K candidate receive beams.
  • the first reference threshold is the smallest of the K candidate thresholds.
  • the K candidate receive beams and their corresponding candidate thresholds are candidate receive beams and corresponding energy detection thresholds that are used to perform energy detection for uplink channel access.
  • a candidate threshold corresponding to a beam with a wider beam width among the K candidate receive beams is larger.
  • Embodiment 8 exemplifies K reference signal groups and target spatial parameter sets, as shown in FIG.
  • K reception beams that is, reception beams #1-#K
  • K reference signal groups that is, reference signal groups #1-#K in the present application.
  • the K candidate spatial parameter sets in the present application are used to generate the K receive beams, respectively.
  • the target spatial parameter group is one of the K candidate spatial parameter groups.
  • the receive beam generated by using the target spatial parameter group is one of the K receive beams for receiving one of the K reference signal groups.
  • Embodiment 9 exemplifies L reference signal groups and a first spatial parameter group, as shown in FIG.
  • L reception beams that is, reception beams #1-#L
  • L reference signal groups that is, reference signal groups #1-#L in the present application.
  • the first set of spatial parameters in the present application is used to generate one of the L receive beams.
  • the receive beam generated by the first spatial parameter set is used to receive the first reference signal group in the present application.
  • the first reference signal group is one of the L reference signal groups.
  • the first set of spatial parameters is also used to generate a transmit beam for transmitting the first wireless signal in the present application.
  • Embodiment 10 exemplifies a second spatial parameter set, a target spatial parameter set and a first spatial parameter set, as shown in FIG.
  • the base station first performs the omnidirectional LBT by using the second spatial parameter group in the present application.
  • the first control signal in this application is sent after the omnidirectional LBT, and the user equipment receives the After a control signal, the target spatial beam group associated with the first spatial parameter group in the present application is used to generate the target receiving beam and its corresponding target threshold for uplink channel access LBT. After the uplink channel access is successful, the present application is adopted.
  • the first spatial parameter group generates a first transmit beam to transmit the first wireless signal in the application on the target time-frequency resource indicated by the first control signal.
  • the beam width of the target receive beam is greater than the first transmit beam beamwidth.
  • Embodiment 11 illustrates an antenna structure of a user equipment as shown in FIG.
  • the first type of communication node is equipped with M radio frequency chains, which are RF chain #1, RF chain #2, ..., RF chain #M.
  • the M RF chains are connected to a baseband processor.
  • any one of the M radio frequency chains supports a bandwidth that does not exceed a bandwidth of a sub-band in which the first type of communication node is configured.
  • the M1 radio frequency chains of the M radio frequency chains are superimposed by an antenna to generate an antenna port (Antenna Port), and the M1 radio frequency chains are respectively connected to M1 antenna groups, and the M1 Each antenna group in each antenna group includes a positive integer and an antenna.
  • An antenna group is connected to the baseband processor through a radio frequency chain, and different antenna groups correspond to different RF chains.
  • the mapping coefficients of the antennas included in any of the M1 antenna groups to the antenna ports constitute an analog beamforming vector of the antenna group.
  • the coefficients of the phase shifter and the antenna switching state correspond to the analog beamforming vector.
  • the diagonal arrangement of the corresponding analog beamforming vectors of the M1 antenna groups constitutes an analog beam shaping matrix of the antenna port.
  • the mapping coefficients of the M1 antenna groups to the antenna port constitute a digital beamforming vector of the antenna port.
  • the spatial parameter set in the present application includes at least one of a state of an antenna switch, a coefficient of a phase shifter, and an antenna pitch.
  • the spatial parameter set in the present application includes a beamforming coefficient on a radio frequency link.
  • the spatial parameter set in the present application includes beamforming coefficients on the baseband link.
  • the antenna switch can be used to control the beamwidth, the larger the working antenna spacing, the wider the beam.
  • the M1 RF chains belong to the same panel.
  • the M1 RF chains are QCL (Quasi Co-Located).
  • the M2 radio frequency chains of the M radio frequency chains are superimposed by antenna virtualization to generate one transmit beam or receive beam, and the M2 radio frequency chains are respectively connected to M2 antenna groups, and the M2 Each antenna group in the antenna group includes a positive integer number of antennas.
  • An antenna group is connected to the baseband processor through a radio frequency chain, and different antenna groups correspond to different RF chains.
  • the mapping coefficients of the antennas included in any of the M2 antenna groups to the receive beam constitute an analog beamforming vector of the receive beam.
  • the diagonal arrangement of the corresponding analog beamforming vectors of the M2 antenna groups constitutes an analog beam shaping matrix of the receiving beam.
  • the mapping coefficients of the M2 antenna groups to the receive beam constitute a digital beamforming vector of the receive beam.
  • the M1 RF chains belong to the same panel.
  • the M2 RF chains are QCL.
  • the sum of the number of layers configured by the user equipment on each of the sub-bands in the parallel sub-band is less than or equal to the M.
  • the sum of the number of antenna ports configured by the user equipment on each of the sub-bands in the parallel sub-band is less than or equal to the M.
  • the layer to antenna port mapping relationship is related to both the number of layers and the number of antenna ports.
  • the layer-to-antenna port mapping relationship is default (ie, does not need to be explicitly configured) for each of the parallel sub-bands.
  • the layer to antenna ports are one-to-one mapped.
  • a layer is mapped onto multiple antenna ports.
  • Embodiment 12 exemplifies a structural block diagram of a processing device in a user device, as shown in FIG.
  • the user equipment processing apparatus 1200 is mainly composed of a first receiver 1201, a second receiver 1202, a first processor 1203, and a third transmitter 1204.
  • the first receiver 1201 includes a receiver 456, a MIMO detector 472, and at least the first three of the processor 452 and the controller/processor 490.
  • the second receiver 1202 includes a receiver 456, a MIMO detector 472, and a receive processor 452.
  • the first processor 1203 includes a receive processor 452.
  • the third transmitter 1204 includes at least the first three of a transmit processor 455, a MIMO transmit processor 471, a transmitter 456, and a controller/processor 490.
  • a first receiver 1201 receiving a first control signal indicating a target time-frequency resource and a first spatial parameter set used to transmit the first wireless signal.
  • a second receiver 1202 performing a first type of energy detection using a target spatial parameter set
  • a first processor 1203 determining whether the first wireless signal can be sent on the target time-frequency resource by using a result of comparing the result of the first type of energy detection with a target threshold; if it is determined that the target cannot be Transmitting the first wireless signal on the frequency resource, and then discarding transmitting the first wireless signal on the target time-frequency resource;
  • a third transmitter 1204 if it is determined that the first wireless signal can be transmitted on the target time-frequency resource, the third transmitter 1204 transmits the location on the target time-frequency resource by using the first spatial parameter group Describe the first wireless signal;
  • the target threshold is associated with the target spatial parameter group, the target threshold is greater than or equal to a first reference threshold, and the first reference threshold is associated with the first spatial parameter group.
  • the foregoing user equipment is characterized in that the target spatial parameter group is one of K candidate spatial parameter groups, the target threshold is one of K candidate thresholds, and the K candidate spatial parameter groups and The K candidate thresholds are in one-to-one correspondence, and the K is a positive integer greater than one.
  • the first receiver 1201 receives K reference signal groups, the K candidate spatial parameter groups are respectively used to receive the K reference signal groups, and the target spatial parameter group is the K One of the candidate spatial parameter sets.
  • the first receiver 1201 receives a second control signal, the second control signal indicating the K candidate thresholds.
  • the second control signal indicates K difference values, which are respectively equal to a difference between the K candidate thresholds and the first reference threshold.
  • the first control signal indicates the target threshold.
  • the first spatial parameter set is associated with the target spatial parameter set.
  • the first receiver 1201 receives L reference signal groups before receiving the first control signal, where L is a positive integer greater than 1; wherein the first reference signal group is the L a reference signal group of the reference signal groups, the first control signal indicating the first reference signal group, the first spatial parameter group being associated with a spatial parameter group used to receive the first reference signal group
  • the target spatial parameter group is associated with the first reference signal group.
  • the first control signal indicates a maximum equivalent isotropic radiated power used to transmit the first wireless signal, the target threshold being associated with the maximum equivalent isotropic radiated power.
  • the spatial coverage generated by using the target spatial parameter group is greater than the spatial coverage generated by using the first spatial parameter group.
  • the sender of the first control signal performs the second type of energy detection by using the second spatial parameter group before transmitting the first control signal, and the spatial coverage generated by using the second spatial parameter group is greater than The spatial coverage generated by the target spatial parameter set is used.
  • Embodiment 13 exemplifies a structural block diagram of a processing device in a base station, as shown in FIG.
  • the base station device processing apparatus 1300 is mainly composed of a first transmitter 1301 and a third receiver 1302.
  • the first transmitter 1301 includes at least the first three of a transmit processor 415, a MIMO transmit processor 441, a transmitter 416, and a controller/processor 440.
  • the third receiver 1302 includes a receiver 416, a MIMO detector 442, and at least the first three of the processor 412 and the controller/processor 440.
  • a first transmitter 1301 transmitting a first control signal indicating a target time-frequency resource and a first spatial parameter set used to transmit the first wireless signal.
  • a third receiver 1302 monitoring the first wireless signal on the target time-frequency resource.
  • the receiver of the first control signal performs the first type of energy detection by using the target spatial parameter group, and uses the comparison result of the first type of energy detection with the target threshold to determine whether the target is in the target. Transmitting the first wireless signal on a time-frequency resource; the target threshold is associated with the target spatial parameter group, the target threshold is greater than or equal to a first reference threshold, the first reference threshold and the first spatial parameter Group association
  • the foregoing base station device is characterized in that the first transmitter sends a second control signal, and the second control signal indicates K candidate thresholds;
  • the target threshold is one of the K candidate thresholds, and the K is a positive integer.
  • the foregoing base station device is characterized in that the target spatial parameter group is one of K candidate spatial parameter groups, the target threshold is one of K candidate thresholds, and the K candidate spatial parameter groups and The K candidate thresholds are in one-to-one correspondence, and the K is a positive integer greater than one.
  • the first transmitter 1301 sends K reference signal groups
  • the K candidate spatial parameter groups are respectively used to receive the K reference signal groups
  • the target spatial parameter group is the K One of the candidate spatial parameter sets.
  • the first transmitter 1301 transmits a second control signal, the second control signal indicating the K candidate thresholds.
  • the second control signal indicates K difference values, which are respectively equal to a difference between the K candidate thresholds and the first reference threshold.
  • the first control signal indicates the target threshold.
  • the first spatial parameter set is associated with the target spatial parameter set.
  • the first transmitter 1301 sends L reference signal groups before transmitting the first control signal, where L is a positive integer greater than 1; wherein the first reference signal group is the L a reference signal group of the reference signal groups, the first control signal indicating the first reference signal group, the first spatial parameter group being associated with a spatial parameter group used to receive the first reference signal group
  • the target spatial parameter group is associated with the first reference signal group.
  • the first control signal indicates a maximum equivalent isotropic radiated power used to transmit the first wireless signal, the target threshold being associated with the maximum equivalent isotropic radiated power.
  • the spatial coverage generated by using the target spatial parameter group is greater than the spatial coverage generated by using the first spatial parameter group.
  • the third receiver 1302 performs a second type of energy detection by using the second spatial parameter group before transmitting the first control signal; wherein the spatial coverage generated by using the second spatial parameter group is greater than The spatial coverage generated by the target spatial parameter set is used.
  • the UE or the terminal in the present application includes but is not limited to a wireless communication device such as a mobile phone, a tablet computer, a notebook, an internet card, a low power consumption device, an eMTC device, an NB-IoT device, and an in-vehicle communication device.
  • the base station or network side device in this application includes, but is not limited to, a macro communication base station, a micro cell base station, a home base station, a relay base station, an eNB, a gNB, a transmission receiving node TRP, and the like.

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Abstract

L'invention concerne un procédé et un appareil pour une communication sans fil dans une station de base et un équipement utilisateur. Le procédé comprend les étapes suivantes : l'équipement utilisateur reçoit un premier signal de commande, le premier signal de commande indiquant une ressource temps-fréquence cible et un premier groupe de paramètres spatiaux utilisé pour envoyer le premier signal sans fil ; exécuter un premier type de détection d'énergie à l'aide d'un groupe de paramètres spatiaux cible ; déterminer, selon le résultat du premier type de détection d'énergie et le résultat de comparaison d'un seuil cible, si le premier signal sans fil peut être envoyé sur la ressource temps-fréquence cible, le seuil cible étant associé au groupe de paramètres spatiaux cible, le seuil cible est supérieur ou égal à un premier seuil de référence, et le premier seuil de référence est associé au premier groupe de paramètres spatiaux. La présente invention permet d'éviter les interférences de transmission de liaison montante avec la transmission en cours dans d'autres directions, d'améliorer les performances de transmission orientée et d'augmenter la flexibilité du système.
PCT/CN2019/074125 2018-02-01 2019-01-31 Procédé et appareil pour une communication sans fil dans une station de base et un équipement utilisateur Ceased WO2019149242A1 (fr)

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