WO2021164035A1 - 信号传输方法及装置 - Google Patents

信号传输方法及装置 Download PDF

Info

Publication number
WO2021164035A1
WO2021164035A1 PCT/CN2020/076284 CN2020076284W WO2021164035A1 WO 2021164035 A1 WO2021164035 A1 WO 2021164035A1 CN 2020076284 W CN2020076284 W CN 2020076284W WO 2021164035 A1 WO2021164035 A1 WO 2021164035A1
Authority
WO
WIPO (PCT)
Prior art keywords
control signal
signal
terminal device
channel
network device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/076284
Other languages
English (en)
French (fr)
Inventor
张佳胤
范巍巍
贾琼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP20919973.6A priority Critical patent/EP4096286A4/en
Priority to CN202080096250.3A priority patent/CN115066926B/zh
Priority to PCT/CN2020/076284 priority patent/WO2021164035A1/zh
Priority to CA3168746A priority patent/CA3168746A1/en
Publication of WO2021164035A1 publication Critical patent/WO2021164035A1/zh
Priority to US17/821,040 priority patent/US20220394684A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
    • H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • 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]

Definitions

  • This application relates to the field of communication technology, and in particular to a signal transmission method and device.
  • Wireless communication technologies deployed on unlicensed spectrum generally use or share spectrum resources in a competitive manner.
  • the station first monitors whether the unlicensed spectrum is free before sending a signal. For example, the received power on the unlicensed spectrum is used to determine its busy/idle status. If the received power is less than a certain threshold, the unlicensed spectrum is considered to be in an idle state. , The signal can be sent on the unlicensed spectrum, otherwise no signal is sent. This mechanism is called Carrier Sense Multiple Access with Collision Avoid (CSMA/CA) or Listen Before Talk (LBT).
  • CSMA/CA Carrier Sense Multiple Access with Collision Avoid
  • LBT Listen Before Talk
  • 3rd Generation Partnership Project 3rd Generation Partnership Project, 3GPP
  • LAA/eLAA/NRU 3rd Generation Partnership Project
  • Wi-Fi wireless fidelity
  • 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac/ax
  • the traditional omnidirectional LBT In high-frequency application scenarios, if the traditional omnidirectional LBT is used at the receiving end, it may cause the problem of exposed nodes, that is, although the receiving end has detected interference, the interference direction is not in the direction of the received signal, and it will not cause serious reception. Interference. Therefore, the omnidirectional LBT at the receiving end will reduce the efficiency of space division multiplexing.
  • the embodiments of the present application provide a signal transmission method and device, so that the signal receiving node instructs the signal sending node to send the signal before the network device dispatches the signal, so as to reduce the problem of exposed nodes.
  • a signal transmission method which is applied to a network device, and the method includes:
  • the first control signal includes indication information used to indicate the channel usage of the terminal device, and the channel usage indicates the result of detection performed by the terminal device according to the first spatial reception parameter .
  • the indication information includes a channel sensing result
  • the channel sensing result includes a channel being idle or not
  • the first downlink shared signal is sent according to the first control signal include:
  • the first downlink shared signal is sent.
  • the indication information includes a channel interference detection result
  • the sending of the first downlink shared signal according to the first control signal includes: when the channel interference detection result corresponds to an interference value When it is less than the preset threshold, send the first downlink shared signal.
  • the method before the receiving the first control signal from the terminal device, the method further includes: sending a second control signal, where the second control signal is used to instruct the terminal device to send the The resources of the first control signal.
  • the second control signal further includes a transmission configuration instruction, and the transmission configuration instruction is used by the terminal device to determine the first spatial receiving parameter, and the first spatial receiving parameter is related to the transmitting station.
  • the spatial reception parameters of the first downlink shared signal are consistent.
  • the first control signal is a signal sent according to a first period
  • the first period is a sending interval of the first control signal
  • the first control signal is received from the terminal device.
  • the method further includes:
  • the resource for instructing the terminal device to send the first control signal through upper-layer control signaling further includes:
  • the upper-layer control signaling or the third control signal further includes a transmission configuration indication, and the transmission configuration indication is used by the terminal device to determine the first spatial reception parameter, and the second A space receiving parameter is consistent with the space receiving parameter for sending the first downlink shared signal.
  • the first spatial receiving parameter corresponding to the signal of each period is different.
  • the first control signal passes through the periodic physical uplink control channel PUCCH, semi-persistent scheduling physical uplink shared channel PUSCH, scheduling-free PUSCH, configuration scheduling PUSCH, channel sounding reference signal SRS, or physical Random access channel PRACH transmission.
  • the channel is performed in the beam direction determined by the second spatial receiving parameter.
  • the beam width determined by the second spatial receiving parameter is an omnidirectional beam width.
  • channel sensing is performed according to the beam direction determined by the second spatial receiving parameter .
  • the terminal device before the network device schedules the downlink shared signal, the terminal device prompts the network device to send the signal, so that the direction of the channel usage determined by the terminal device before receiving the downlink shared signal is the direction of receiving the downlink shared signal.
  • Direction effectively reducing the problem of exposed nodes of terminal equipment (receiving nodes).
  • a signal transmission method which is applied to a network device, and the method includes:
  • the method before the sending the fourth control signal, the method further includes:
  • a third spatial reception parameter is used for channel detection, where the third spatial reception parameter is the spatial reception of the first uplink shared signal parameter.
  • the network device before the network device schedules the uplink shared signal, the network device prompts the terminal device to send the signal, so that the direction in which the network device performs channel sensing before receiving the uplink shared signal is the direction of receiving the uplink shared signal , Effectively reducing the problem of exposed nodes of network equipment (receiving nodes).
  • a signal transmission method which is characterized in that it is applied to a terminal device, and the method includes:
  • the performing channel sensing includes:
  • Channel sensing is performed in the beam direction determined by the receiving parameter in the first space.
  • the first control signal includes indication information for indicating channel usage of the terminal device, and the channel usage indicates that the terminal device receives parameters according to the first space The result of the test.
  • the method before the performing channel sensing and sending the first control signal to the network device when the channel is idle, the method further includes:
  • the second control signal further includes a transmission configuration indication, the transmission configuration indication is used to determine a first spatial reception parameter, and the first spatial reception parameter is different from the reception of the first download parameter.
  • the space receiving parameters of the line sharing signal are consistent.
  • the first control signal is a signal sent according to a first cycle
  • the first cycle is a transmission interval of the first control signal.
  • the resource for sending the first control signal is determined by the instruction of the upper layer control signaling.
  • the determining the resource for sending the first control signal through an indication of upper-layer control signaling further includes:
  • the upper layer control signaling or the third control signal further includes a transmission configuration indication, and the transmission configuration indication is used to determine a first spatial reception parameter, and the first spatial reception parameter Consistent with the spatial reception parameter for receiving the first downlink shared signal.
  • the first spatial receiving parameter corresponding to the signal of each period is different.
  • the format of the first control signal is format 0/1.
  • the format of the first control signal is format 2/3
  • the format 2/3 is scrambled by a first scrambling code
  • the first scrambling code is used for demodulation by another terminal device The first control signal.
  • a signal transmission method which is applied to a terminal device, and the method includes:
  • the method before receiving the fourth control signal, the method further includes:
  • channel sensing is performed in the beam direction determined by the fourth space receiving parameter, and the channel is sent when the channel is idle.
  • the first uplink shared signal when the signal length of the first uplink shared signal is greater than the second preset length, channel sensing is performed in the beam direction determined by the fourth space receiving parameter, and the channel is sent when the channel is idle.
  • the time interval between the fourth control signal and the first uplink shared signal is greater than a second preset value, channel sensing is performed in the beam direction determined by the fourth spatial receiving parameter, When the channel is idle, the first uplink shared signal is sent.
  • a network device in a fifth aspect, includes:
  • a receiving module configured to receive a first control signal from a terminal device, where the first control signal is used by the network device to determine whether to send the first downlink shared signal;
  • the sending module is configured to send the first downlink shared signal according to the first control signal.
  • the first control signal includes indication information used to indicate the channel usage of the terminal device, and the channel usage indicates the result of detection performed by the terminal device according to the first spatial reception parameter .
  • the indication information includes a channel sensing result
  • the channel sensing result includes a channel being idle or not
  • the sending module is specifically configured to:
  • the first downlink shared signal is sent.
  • the indication information includes a channel interference detection result
  • the sending module is specifically configured to:
  • the first downlink shared signal is sent.
  • the sending module is further used for:
  • Sending a second control signal where the second control signal is used to instruct the terminal device to send the resource of the first control signal.
  • the second control signal further includes a transmission configuration instruction, and the transmission configuration instruction is used by the terminal device to determine the first spatial receiving parameter, and the first spatial receiving parameter is related to the transmitting station.
  • the spatial reception parameters of the first downlink shared signal are consistent.
  • the first control signal is a signal sent according to a first period
  • the first period is a sending interval of the first control signal
  • the sending module is further configured to:
  • the control signaling indicates the resource for the terminal device to send the first control signal.
  • the sending module is further used for:
  • the upper-layer control signaling or the third control signal further includes a transmission configuration indication, and the transmission configuration indication is used by the terminal device to determine the first spatial reception parameter, and the second A space receiving parameter is consistent with the space receiving parameter for sending the first downlink shared signal.
  • the first spatial receiving parameter corresponding to the signal of each period is different.
  • the first control signal passes through the periodic physical uplink control channel PUCCH, semi-persistent scheduling physical uplink shared channel PUSCH, scheduling-free PUSCH, configuration scheduling PUSCH, channel sounding reference signal SRS, or physical Random access channel PRACH transmission.
  • the device further includes a processing module, configured to: when the signal length of the second control signal or the first downlink shared signal is greater than a first preset length Channel sensing is performed on the beam direction determined by the receiving parameter, and the beam width determined by the second spatial receiving parameter is an omnidirectional beam width.
  • the processing module is further configured to: when the time interval between the first control signal and the first downlink shared signal is greater than a first preset value, receive parameters according to the second space Channel detection is performed on the determined beam direction.
  • a network device in a sixth aspect, includes:
  • a sending module configured to send a fourth control signal to a terminal device, where the fourth control signal is used to instruct the terminal device to send a first uplink shared signal
  • the receiving module is configured to receive the first uplink shared signal sent according to the fourth control signal.
  • the sending module is further used for:
  • the device further includes a processing module, configured to use a third spatial reception parameter for channel detection before the fourth control signal is sent to the terminal device, and the third spatial reception parameter is The spatial reception parameter of the first uplink shared signal.
  • the processing module is further configured to, when the signal length of the second control signal is greater than the first preset length, perform channel sensing in the beam direction determined by the fourth spatial receiving parameter, The beam coverage determined by the fourth spatial receiving parameter is greater than the beam coverage determined by the third spatial receiving parameter.
  • a terminal device in a seventh aspect, includes:
  • a sending module configured to send a first control signal to the network device when the channel is idle, and the first control signal is used to instruct the network device to send the first downlink shared signal;
  • the receiving module is configured to receive the first downlink shared signal from a network device.
  • the processing module is specifically configured to:
  • Channel sensing is performed in the beam direction determined by the receiving parameter in the first space.
  • the first control signal includes indication information for indicating channel usage of the terminal device, and the channel usage indicates that the terminal device receives parameters according to the first space The result of the test.
  • the receiving module is further configured to:
  • the second control signal further includes a transmission configuration indication, the transmission configuration indication is used to determine a first spatial reception parameter, and the first spatial reception parameter is different from the reception of the first download parameter.
  • the space receiving parameters of the line sharing signal are consistent.
  • the first control signal is a signal sent according to a first period
  • the first period is a sending interval of the first control signal
  • the receiving module is further configured to:
  • the resource for sending the first control signal is determined by the instruction of the upper layer control signaling.
  • the receiving module is further configured to:
  • the upper layer control signaling or the third control signal further includes a transmission configuration indication, and the transmission configuration indication is used to determine a first spatial reception parameter, and the first spatial reception parameter Consistent with the spatial reception parameter for receiving the first downlink shared signal.
  • the first spatial receiving parameter corresponding to the signal of each period is different.
  • the format of the first control signal is format 0/1.
  • the format of the first control signal is format 2/3
  • the format 2/3 is scrambled by a first scrambling code
  • the first scrambling code is used for demodulation by another terminal device The first control signal.
  • a terminal device includes:
  • a receiving module configured to receive a fourth control signal sent by a network device, where the fourth control signal is used to instruct the terminal device to send a first uplink shared signal;
  • the sending module is configured to send a first uplink shared signal to the network device according to the fourth control signal.
  • the receiving module is further configured to:
  • the device further includes a processing module, configured to perform a channel in the beam direction determined by the fourth space receiving parameter when the signal length of the first uplink shared signal is greater than the second preset length. Listen, and send the first uplink shared signal when the channel is idle.
  • the time interval between the fourth control signal and the first uplink shared signal is greater than a second preset value, channel sensing is performed in the beam direction determined by the fourth spatial receiving parameter, When the channel is idle, the first uplink shared signal is sent.
  • a communication device in a ninth aspect, includes at least one processor, and the at least one processor is coupled with at least one memory:
  • the at least one processor is configured to execute a computer program or instruction stored in the at least one memory, so that the apparatus executes the method according to any one of the first aspect or the second aspect.
  • a communication device in a tenth aspect, includes at least one processor, and the at least one processor is coupled with at least one memory:
  • the at least one processor is configured to execute a computer program or instruction stored in the at least one memory, so that the apparatus executes the method according to any one of the third aspect or the fourth aspect.
  • an embodiment of the present application provides a chip system, including: a processor, the processor is coupled with a memory, the memory is used to store a program or instruction, when the program or instruction is executed by the processor
  • the chip system implements the method in any possible implementation manner of the first aspect or the first aspect, or executes the method in any possible implementation manner of the second aspect or the second aspect, or Perform the method in the foregoing third aspect or any one of the possible implementation manners of the third aspect, and execute the method in any one of the foregoing fourth aspect or the fourth aspect in any possible implementation manner.
  • the chip system further includes an interface circuit, which is used to exchange code instructions to the processor.
  • processors in the chip system, and the processors may be implemented by hardware or software.
  • the processor may be a logic circuit, an integrated circuit, or the like.
  • the processor may be a general-purpose processor, which is implemented by reading software codes stored in the memory.
  • the memory may be integrated with the processor, or may be provided separately from the processor, which is not limited in this application.
  • the memory may be a non-transitory processor, such as a read-only memory ROM, which may be integrated with the processor on the same chip, or may be set on different chips.
  • the setting method of the processor is not specifically limited.
  • a readable storage medium which is characterized in that it is used to store instructions, and when the instructions are executed, the method according to any one of the first aspect or the second aspect is realized, Or enable the method according to any one of the third aspect or the fourth aspect to be implemented.
  • a computer program product is provided.
  • the computer reads and executes the computer program product, the computer is caused to execute the method described in the first or second aspect, or the computer is executed as claimed in the claims.
  • a communication system which includes the network device described in the fifth aspect and the terminal device described in the sixth aspect, or includes the network device described in the sixth aspect and the network device described in the eighth aspect Terminal Equipment.
  • FIG. 1 is a schematic diagram of a communication system provided by an embodiment of this application.
  • 2A is a schematic flowchart of a signal transmission method provided by an embodiment of the application.
  • 2B is a schematic diagram of a process of invoking a downlink shared signal according to an embodiment of the application
  • 2C is a schematic diagram of a communication process based on terminal device channel sensing provided by an embodiment of this application;
  • FIG. 2D is a schematic diagram of periodic signal sending according to an embodiment of this application.
  • 2E is a schematic diagram of another periodic signal sending provided by an embodiment of this application.
  • 3A is a schematic flowchart of another signal transmission method provided by an embodiment of this application.
  • FIG. 3B is a schematic diagram of a process of invoking an uplink shared signal according to an embodiment of the application
  • 3C is a schematic diagram of a communication process based on network device channel sensing provided by an embodiment of this application;
  • FIG. 4 is a structural block diagram of a network device provided by an embodiment of this application.
  • FIG. 5 is a structural block diagram of a terminal device provided by an embodiment of this application.
  • FIG. 6 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 7 is a schematic diagram of a communication system provided by an embodiment of the application.
  • Multiple means two or more.
  • “And/or” describes the association relationship of the associated objects, indicating that there can be three types of relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, and B exists alone.
  • the character “/” generally indicates that the associated objects before and after are in an "or” relationship.
  • Network equipment An entity on the network side that is used to transmit or receive signals. It is the information exchange center for mobile communications. It is mainly responsible for managing terminal equipment in a certain wireless coverage area, completing functions such as wireless signal transmission and reception and wireless resource management. It can be a base station, or an access point, or can refer to a device that communicates with a wireless terminal through one or more sectors on an air interface in an access network.
  • the base station can be used to convert received air frames and IP packets into each other, and act as a router between the wireless terminal and the rest of the access network, where the rest of the access network can include an Internet Protocol (IP) network.
  • IP Internet Protocol
  • the base station can also coordinate the attribute management of the air interface.
  • the base station can be the base station (Base Transceiver Station, BTS) in Global System of Mobile Communications (GSM) or Code Division Multiple Access (CDMA), or it can be Broadband Code Division Multiple Access (BTS).
  • BTS Global System of Mobile Communications
  • CDMA Code Division Multiple Access
  • BTS Broadband Code Division Multiple Access
  • the base station (NodeB, NB) in Wideband Code Division Multiple Access (WCDMA) can also be the evolved base station (Evolutional Node B, eNB or eNodeB) in Long Term Evolution (LTE), or a relay station or access point , Or a base station (gNB) in a 5G network, or an IAB node (integrated base station for access and backhaul), etc., which are not limited here.
  • Terminal equipment is an entity on the user side for receiving or transmitting signals. Its behavior is mainly controlled by network equipment such as gNB, and sending and receiving signals is scheduled by the network equipment.
  • the terminal device may be a device that provides voice and/or data connectivity to the user, for example, a handheld device with a wireless connection function, or a processing device connected to a wireless modem.
  • the terminal device can communicate with the core network via a radio access network (RAN), and exchange voice and/or data with the RAN.
  • RAN radio access network
  • the terminal equipment may include user equipment (UE), wireless terminal equipment, mobile terminal equipment, device-to-device communication (device-to-device, D2D) terminal equipment, vehicle-to-everything (V2X) Terminal equipment, machine-to-machine/machine-type communications (M2M/MTC) terminal equipment, Internet of things (IoT) terminal equipment, subscriber unit, subscriber station (subscriber station), mobile station (mobile station), remote station (remote station), access point (access point, AP), remote terminal (remote terminal), access terminal (access terminal), user terminal (user terminal) , User agent (user agent), or user equipment (user device), etc.
  • UE user equipment
  • UE user equipment
  • D2D device-to-device communication
  • V2X vehicle-to-everything
  • M2M/MTC machine-to-machine/machine-type communications
  • IoT Internet of things
  • subscriber unit subscriber station (subscriber station), mobile station (mobile station), remote station (remote station
  • it may include mobile phones (or “cellular” phones), computers with mobile terminal equipment, portable, pocket-sized, hand-held, mobile devices with built-in computers, and so on.
  • PCS personal communication service
  • PCS cordless phones
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistants
  • restricted devices such as devices with low power consumption, or devices with limited storage capabilities, or devices with limited computing capabilities. Examples include barcodes, radio frequency identification (RFID), sensors, global positioning system (GPS), laser scanners and other information sensing equipment.
  • RFID radio frequency identification
  • GPS global positioning system
  • laser scanners and other information sensing equipment.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the application.
  • the system includes a base station (BS) and UE1 to UE6.
  • UE1 to UE6 can send uplink data to the base station, and the base station needs to receive the uplink data sent by UE1 to UE6 to UE1 to UE6.
  • UE4 to UE6 can also form a communication system.
  • the BS can send downlink information to UE1, UE2, UE5, etc.; UE5 can also send downlink information to UE4, UE6.
  • the present invention can also be applied to other communication systems, as long as the communication system needs to interact with channel state information, and there are sending entities and receiving entities in the system for information interaction, so as to avoid collisions in channel listening.
  • FIG. 2A is a schematic flowchart of a signal transmission method according to an embodiment of the application. As shown in FIG. 2A, the method includes the following steps:
  • a terminal device performs channel sensing, and sends a first control signal to the network device when the channel is idle, where the first control signal is used to instruct the network device to send a first downlink shared signal.
  • the network device sends the first downlink shared signal according to the first control signal.
  • FIG. 2B is a schematic diagram of a process for invoking a downlink shared signal according to an embodiment of this application.
  • Channel (PDCCH) sends downlink control information (Downlink Control Information, DCI).
  • DCI Downlink Control Information
  • the DCI may include resource allocation and other control information of the terminal device, such as control information for receiving downlink shared signals and receiving downlink shared time-frequency resources.
  • the terminal device receives the user data sent by the network device through the physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) at the time-frequency resource location indicated by the DCI.
  • Physical Downlink Shared Channel Physical Downlink Shared Channel
  • the terminal device before the network device sends user data to the terminal device, the terminal device first sends a first control signal to the network device to notify the network device to send the first downlink shared signal.
  • a first control signal to the network device to notify the network device to send the first downlink shared signal.
  • the terminal device first performs channel sensing to determine whether the channel is free. If the channel is idle, the first control signal PUCCH M1 is sent through the physical uplink channel PUCCH, the PUCCH resource scheduled by PUCCH M1 can be called PUCCH1, and other parameters or information such as Hybrid Automatic Repeat Request (HARQ) are sent.
  • HARQ Hybrid Automatic Repeat Request
  • the signal-scheduled PUCCH resource may be referred to as PUCCH2.
  • PUCCH M1 is used to prompt the receiving node (network device) of the signal whether to send data. Therefore, the first control signal may be a sending instruction, which is used to directly instruct the network device to send or not to send the first downlink shared signal PDSCH M1. Or the first control signal may be some parameter information or indication information, and the network device determines whether to send the PDSCH M1 according to the received parameter information or indication information.
  • the terminal device needs to perform channel sensing and sends a first control signal to the network device when it is determined that the channel is free.
  • the terminal device performs channel sensing in the beam direction determined by the receiving parameter in the first space.
  • the beam direction determined by the receiving parameter is the beam covered by the directional antenna.
  • the PUCCH M1 sent by the terminal device may include indication information for indicating the channel usage of the terminal device.
  • the channel usage indicates the detection result of the terminal device according to the first spatial reception parameter.
  • the result of detection may include channel interference value, interference source or interference type, etc.
  • the interference value obtained by the detection is compared with the preset threshold value, and the relationship between the interference value and the preset energy detection threshold ED (Energy Detection) is determined.
  • the setting of ED can be determined according to the modulation and coding scheme (MCS) of the first downlink shared signal to be transmitted.
  • MCS modulation and coding scheme
  • the level of the modulation order MCS is inversely proportional to the level of the ED, that is, the modulation order A relatively low MCS can correspond to a relatively high ED.
  • the correspondence between MCS and the detection threshold ED can be configured by upper-layer signaling or by default by the protocol. For the specific correspondence, refer to Table 1:
  • the setting of the ED can also be determined according to the receiving capability of the terminal device.
  • the receiving capability of the terminal device is inversely proportional to the level/ED value of the ED, that is, the terminal device can use another terminal device with a lower receiving capability than the terminal device.
  • Higher ED/ED value; or the setting of ED can be determined according to the signal interference value in the indication information.
  • the signal interference value currently detected by the terminal device is less than the channel state indication (CSI) reported by the terminal device before.
  • the interference value carried in) can increase the ED value.
  • the setting of the ED can also be determined according to the interference source or the interference type.
  • the ED threshold used for the interference signal of the non-local cell may be higher than the ED threshold used for the interference signal from other cells.
  • the comparison of the interference value and the ED can be performed in the terminal device.
  • the terminal device first obtains the ED.
  • the method of obtaining includes: predefined in the standard; or by the network device through upper-layer control signaling, such as radio resource control ( Radio Resource Control (RRC) is configured for terminal equipment; or network equipment is configured for terminal equipment through DCI.
  • RRC Radio Resource Control
  • Then determine the size relationship between the interference value and ED in the interference detection result, and generate a sending instruction according to the size relationship. If the interference value ⁇ ED, the generated sending instruction is "send", otherwise the generated sending instruction is "not send", The network device determines whether to send the first downlink shared signal according to the received sending instruction.
  • the terminal device obtains the listening result according to the comparison between the interference value and the ED, and the listening result includes whether the channel is idle or not.
  • the ED acquisition method can be pre-defined in the standard, RRC configuration or DCI configuration. If the interference value ⁇ ED, the listening result is that the channel is idle; if the interference value> ED, the listening result is that the channel is not idle.
  • the indication information included in the PUCCH M1 can be the listening result. If the listening result in the PUCCH M1 is that the channel is idle, it means that the network device can send the PDSCH M1, otherwise the PDSCH M1 is not sent.
  • the comparison between the interference value and the ED can also be performed in the network device, and the result of the terminal device's detection according to the first spatial reception parameter is used as the interference detection result, and then the indication information is sent to the network device through PUCCH M1, indicating The information includes the interference detection result, the interference detection result includes the interference value, and the network device compares the interference value with the ED value.
  • the ED in the network device can be predefined in the standard, or it can be dynamically acquired by the network device according to the communication situation. If the network device determines that the interference value ⁇ ED, it sends the PDSCH M1 to the terminal device; otherwise, it does not send the PDSCH M1.
  • the network device before the terminal device sends the PUCCH M1, the network device sends the second control signal PDCCH M1 through the PDCCH.
  • the second control signal may be used to instruct the terminal device to send PUCCH M1 resources, including time domain resources and frequency domain resources. , Or codeword resources, etc.
  • the time-frequency resource of PUCCH M1 is indicated by indicating the signal starting point and transmission duration of the PUCCH, and the transmission duration may be symbols or milliseconds; the PUCCH Resource Indication (PRI) is used to indicate the frequency domain resource location of PUCCH M1.
  • the terminal device sends PUCCH M1 at the indicated time-frequency position.
  • the PDCCH M1 can also include a transmission configuration indicator (Transmission Configuration Indicator, TCI).
  • TCI Transmission Configuration Indicator
  • the terminal device can determine the first spatial receiving parameter according to the TCI. After the terminal device determines the first spatial receiving parameter, the beam direction determined by the receiving parameter in the space Perform signal interference detection (or channel listening). After the network device receives PUCCH M1, if it determines to send the first downlink shared signal, it sends it in the beam direction determined by the first space receiving parameter. In this way, the beam direction for the terminal device to perform channel sensing is the same as the receiving first downlink sharing signal. The beam directions of the signals are the same.
  • the transmission configuration indication information can be configured in the upper layer signaling RRC. At this time, the network device does not need to send the transmission configuration indication in the PDCCH M1, so as to save signaling overhead.
  • the transmission configuration indication is used to indicate that there is a quasi co-location (QCL) relationship between the two received signals.
  • QCL quasi co-location
  • the QCL relationship in the transmission configuration indication is Type D, it is used to indicate the two reception signals indicated in the transmission configuration indication, such as signal A and signal B, the spatial reception parameters when receiving the A signal and the spatial reception when receiving the B signal
  • the A signal can be a demodulation reference signal (Demodulation Reference Signal, DMRS) in a PDCCH signal or a DMRS in a synchronization signal block (Synchronization Signal Block, SSB), or it can be a channel state indication reference signal (Channel State Indication).
  • Reference Signal, CSI-RS the B signal may be a PDSCH signal.
  • the terminal device determines the beam direction according to the spatial receiving parameters, then the terminal device performs channel sensing in the beam direction, and the beam direction is the direction in which the terminal device receives the downlink shared signal.
  • the terminal equipment performs channel sensing in a directional beam, which can be called a directional LBT.
  • the beam direction for channel sensing or interference detection is the beam direction of the received signal, thereby reducing signal interference from other non-receiving signal directions , Effectively reducing the problem of node exposure by terminal equipment.
  • the first control signal may be a periodic signal sent according to the first period.
  • FIG. 2D is a schematic diagram of periodic signal sending according to an embodiment of the application. As shown in FIG. Determine whether to send the first downlink shared signal PDSCH M1 according to MU1.
  • the terminal device before the terminal device sends MU1, it can perform directional LBT, that is, perform channel listening in the beam direction determined by the first space receiving parameter, and then send the listening result to the network device through MU1, so that the network device can follow the listening result Determine whether to send PDSCH M1; or the terminal device performs channel interference detection, and then sends the interference detection result to the network device through MU1, so that the network device determines whether to send PDSCH M1 according to the relationship between the interference value in the interference detection result and the ED.
  • LBT directional LBT
  • the first control signal is a signal sent according to the first cycle, that is, the first control signal is a periodic uplink resource
  • the periodic uplink resource can be scheduled in two ways.
  • One of the methods is called type1 resource scheduling method: network equipment configures uplink resources for terminal equipment through upper-layer control signaling, such as RRC, such as uplink resource cycle, frequency domain position, code word resource, MCS, maximum transmit power , Transmission configuration indication (used to determine the first space reception parameter) and other configuration information.
  • RRC resource resource cycle
  • MCS maximum transmit power
  • Transmission configuration indication used to determine the first space reception parameter
  • Another method is called type2 resource scheduling method: different from the type1 resource configuration method, the type2 resource configuration method adopts the RRC+DCI resource scheduling method.
  • these Periodic uplink resources do not take effect immediately.
  • These uplink resources need to be activated through DCI signaling. That is, after the network device receives the upper-layer control command, it also needs to receive the third control signal sent by the network device to activate the upper-layer control command.
  • the indicated uplink resource at this time, part of the signaling sent in the RRC, such as MCS, etc., is sent by the third control signal (DCI).
  • the network device may also configure the terminal device with the first downlink shared signal associated with the first control signal through upper-layer control signaling, such as RRC. Resource configuration information.
  • the terminal device receives the downlink data on the resource of the first downlink shared signal associated with the first control signal.
  • a network device can configure periodic first control signal resources for multiple terminal devices at the same time.
  • FIG. 2E is another schematic diagram of sending periodic signals according to an embodiment of the application, as shown in FIG. 2E.
  • the terminal device UE1 sends the first control signal MU1 to the terminal device according to the period T1
  • the terminal device UE2 sends the first control signal MU2 to the terminal device according to the period T2, where T1 and T2 may be the same or different.
  • the first spatial reception parameters obtained by UE1 and UE2 may be the same or different. That is, UE1 and UE2 may perform channel sensing in the same beam direction, or may perform channel sensing in different beam directions.
  • the first control signal sent by the terminal device can pass the periodic PUCCH, semi-persistent scheduling PUSCH, scheduling-free PUSCH, configuration scheduling PUSCH, channel sounding reference signal (Sounding Reference Signal). Signal, SRS), or Physical Random Access Channel (PRACH) transmission.
  • periodic PUCCH periodic Physical Uplink Control Channel
  • semi-persistent scheduling PUSCH scheduling-free PUSCH
  • configuration scheduling PUSCH configuration scheduling PUSCH
  • channel sounding reference signal Sounding Reference Signal
  • Signal SRS
  • PRACH Physical Random Access Channel
  • the terminal device periodically sends the first control signal to the network device, and at the same time periodically performs channel sensing before the first control signal, and can correspondingly receive the first downlink shared signal periodically, because The first control signal is scheduled by the upper layer control instruction and the third control signal. Therefore, this process reduces the number of times the network device needs to send scheduling signals or signaling for scheduling uplink and downlink resources, and improves communication efficiency.
  • format 0/1 is a sequence, which means 1 bit of information, which can be used to send shorter signals, such as the send command in the above description, which only indicates “send” or “do not send”; or it can be the listening result, which means " Free” or “not free”.
  • format 2/3 is a binary code of multiple bits, which can be used to send longer signals, such as interference detection results.
  • format 2/3 can also include the remaining channel occupancy time (Channel Occupancy Time, COT).
  • the terminal device recommends the offset of the PDSCH signal sent by the network device from the end of the PUCCH signal, the length, MCS, and the terminal device can receive Information such as the interference threshold for the base station can help the base station side adjust the subsequent transmission of PDSCH data signals.
  • PUCCH format 2/3 can also carry other uplink control information (Uplink Control Information, UCI) information with high priority, such as Hybrid Automatic Repeat Request Acknowledge Character, HARQ-ACK) etc.
  • UCI Uplink Control Information
  • HARQ-ACK Hybrid Automatic Repeat Request Acknowledge Character
  • the network device before using format 0/1 to send the first control signal, can pre-configure the same time-frequency resources for PUCCH1 of different terminal devices using format 0/1 through upper-layer signaling or protocol. , Then when the terminal device sends the first control signal, other terminal devices with the same time-frequency resource as the first control signal receive or detect the signal, stop sending the signal to the network device in the t1 time period.
  • t1 can also be pre-configured by upper layer signaling or protocol.
  • the network device Before format 2/3 is used to send the first control signal, the network device can pre-configure the same scrambling sequence and time-frequency resource for PUCCH1 of different terminal devices using format 2/3 through upper-layer signaling or protocol, then when the terminal device uses When format2/3 sends the first control signal, other terminal devices that have the same scrambling sequence as the first control signal receive or detect the signal, and stop sending the signal to the network device within the t2 time period. Wherein t2 can be carried by the first control signal.
  • the network device sends the first downlink shared signal according to the first control signal.
  • the network device after the network device receives the first control signal, it can determine whether to send or not send the first downlink shared signal according to the sending instruction therein, or determine whether to send or not send it according to the parameter information or instruction information therein.
  • the first downlink shared signal That is, the network device performs a first downlink shared signal scheduling according to each first control signal.
  • the spatial reception parameters for the terminal equipment to receive the first downlink shared signal are the same as the spatial reception parameters for the terminal equipment to perform channel sensing or channel interference detection, and both are the first spatial reception parameters.
  • the network device may also schedule the first downlink shared signal according to the first cycle, or may randomly schedule the first downlink shared signal in a dynamic manner.
  • the terminal device performs channel sensing or channel interference detection in the beam direction determined by the first spatial receiving parameter according to the first period.
  • the first spatial receiving parameter corresponding to the signal of each period may be the same or different.
  • the first spatial receiving parameter The determined beam direction may be a fixed beam direction, or may be a variable beam direction, for example, may be one or more beam directions with the highest strength of the signal received by the network device by the terminal device.
  • channel sensing may also be performed to ensure that the channel meets the signal sending condition. That is, channel sensing is performed in the beam direction determined according to the second spatial receiving parameter.
  • the beam width determined by the second spatial receiving parameter is the omnidirectional beam width.
  • channel sensing in the beam direction determined by the second space receiving parameter is called omnidirectional LBT.
  • the first preset value can be 16 ⁇ s (microseconds), 5 us, 9 us, etc.
  • the first preset length may be 500 us. It means that the first downlink shared signal is a short signal, which has low interference to the channel, so the signal can be sent directly without performing omnidirectional LBT.
  • omnidirectional LBT may also be performed before transmission, and when the signal length is less than or equal to the first preset length, the signal may be directly transmitted without performing omnidirectional LBT.
  • the terminal device before the network device schedules the downlink shared signal, the terminal device prompts the network device to send the signal, so that the direction of the channel usage determined by the terminal device before receiving the downlink shared signal is the direction of receiving the downlink shared signal.
  • Direction effectively reducing the problem of exposed nodes of terminal equipment (receiving nodes).
  • FIG. 3A is a schematic flowchart of another signal transmission method according to an embodiment of the application. As shown in FIG. 3A, the method includes the following steps:
  • a network device sends a fourth control signal to a terminal device, where the fourth control signal is used to instruct the terminal device to send a first uplink shared signal;
  • the terminal device sends the first uplink shared signal according to the fourth control signal.
  • DCI may include resource allocation of terminal equipment and other control information, such as control information for sending uplink shared signals, and time-frequency resources for sending uplink shared signals.
  • the terminal device After receiving the DCI, the terminal device sends an uplink shared signal to the network device through the PUSCH corresponding to the time-frequency position.
  • the process of invoking the uplink shared signal is also carried out by upper-layer control signaling, which specifically includes two methods: Method one, the network device configures uplink resources for the terminal device through the upper-layer control signaling, such as RRC, for the terminal device, such as the frequency of the uplink resource. Configuration information such as domain location, code word resources, MCS, maximum transmit power, etc., when the terminal device receives these configuration information, it can send the uplink shared signal on the corresponding resource. Method 2: After the network device configures the uplink resources for the terminal device, these uplink resources are not effective immediately, and DCI signaling needs to be used to activate these uplink resources, and then the terminal device sends an uplink shared signal on the corresponding resource. At this time, part of the signaling sent in RRC, such as MCS, is sent by DCI.
  • RRC upper-layer control signaling
  • the network device before the terminal device sends the first uplink sharing signal, the network device first sends a fourth control signal to the terminal device, which is used to instruct the terminal device to send the first uplink sharing signal.
  • Figure 3C is a schematic diagram of a communication process based on network device channel sensing provided by an embodiment of the application.
  • the fourth control signal PDCCH M2 is sent to the terminal device through the PDCCH.
  • the PDCCH resources scheduled by the PDCCH M2 may be referred to as PDCCH schedule (schedule) B.
  • the PDCCH M2 is used to prompt the node (terminal device) that receives the signal whether to send data.
  • the PDCCH M2 may be a sending instruction, which is used to directly instruct the terminal device to send or not to send the first uplink shared signal PUSCH M1.
  • the PDCCH M2 may be some parameter information or indication information, and the terminal device determines whether to send the first downlink shared signal according to the received parameter information or indication information.
  • the PDCCH M2 may include indication information used to indicate the channel sensing result of the network device.
  • the channel sensing result includes whether the channel is idle or not.
  • the process for the network device to obtain the channel sensing result is: channel interference detection And obtain the interference detection result, the interference detection result can include the interference value, the signal interference source or the signal interference type, etc.
  • the network device compares the interference value with a preset threshold (ED).
  • ED preset threshold
  • the setting of the ED can be determined according to the MCS of the first uplink shared signal, and the corresponding relationship between the MCS and the ED can refer to the specific description in the embodiment of step 201 to step 202.
  • the setting of the ED can also be determined according to the receiving capability (Capability) of the network device.
  • a network device with a strong receiving capability may use a higher ED corresponding to a network device with a lower receiving capability. If the interference value is less than or equal to ED, the channel listening result sent by the network device to the terminal device is idle, and the terminal device can send PUSCH M1 to the network device; if the interference value> ED, the channel listening result sent by the network device to the terminal device is If it is not idle, the terminal device cannot send PUSCH M1 to the network device.
  • the setting of the ED can also be determined according to the interference source or the interference type. For example, the ED threshold used for the interference signal of the non-local cell may be higher than the ED threshold used for the interference signal from other cells.
  • the network device determines that the interference value ⁇ ED according to the process of comparing the interference value with the preset threshold (ED), it directly generates the sending instruction as "sendable”, and after determining the interference value> ED, it directly generates the sending instruction as "Unsendable”.
  • the terminal device determines whether to send PUSCH M1 according to the sending instruction.
  • the fifth control signal PDCCH M3 may be sent to the terminal device, and the PDCCH resource scheduled by the PDCCH M1 may be called PDCCH schedule A.
  • the PDCCH M3 may be used to instruct the terminal device to detect the resources of the PDCCH M2.
  • the terminal equipment detects the PDCCH M2 on the time-frequency and code resources indicated by the resource. After receiving the PDCCH M2, if the terminal device determines to send the first uplink shared signal, it sends it in the beam direction determined by the receiving parameter in the third space, where the beam direction of the network device for channel sensing is the same as the beam receiving the first uplink shared signal The same direction.
  • this process may be referred to as directed LBT.
  • the beam direction for channel sensing or interference detection is the beam direction of the received signal, which reduces signal interference from other non-received signal directions. Effectively reduce the problem of network equipment exposing nodes.
  • the terminal device sends the first uplink shared signal according to the fourth control signal.
  • the terminal device after receiving the fourth control signal, the terminal device can directly determine whether to send or not send the first uplink shared signal according to the sending instruction therein, or determine whether to send or not send the first uplink shared signal according to the instruction information therein. Shared signal.
  • omnidirectional channel sensing may also be performed to ensure that the signal sending condition is met.
  • the omnidirectional operation may not be performed before the first uplink shared signal is sent.
  • LBT sends the signal directly.
  • the second preset value may be 16 ⁇ s (microseconds), 5 us or 9 us.
  • the signal length of the first uplink shared signal is less than or equal to the second preset length, it means that the first uplink shared signal is a short signal, which has low requirements on channel interference, so it can be used directly without performing omnidirectional LBT.
  • the second preset length may be 500us.
  • the network device can perform channel sensing before transmitting to meet the signal transmission conditions, that is, perform channel sensing according to the beam direction determined by the fourth spatial receiving parameter, where the fourth spatial receiving parameter determines the beam
  • the coverage area is larger than the beam coverage area determined by the third spatial receiving parameter.
  • the beam coverage determined by the fourth spatial receiving parameter may be an omnidirectional beam coverage, then channel sensing in the beam direction determined by the fourth spatial receiving parameter is omnidirectional LBT, but when the signal length is less than or equal to the first When a preset length is used, the signal can be sent directly without performing omnidirectional LBT.
  • the network device before the network device schedules the uplink shared signal, the network device prompts the terminal device to send the signal, so that the direction in which the network device performs channel sensing before receiving the uplink shared signal is the direction of receiving the uplink shared signal , Effectively reducing the problem of exposed nodes of network equipment (receiving nodes).
  • Fig. 4 is a network device 400 provided by an embodiment of the application, which can be used to execute the signal transmission method and specific embodiments of the network device of Figs. 2A to 2E or Figs. 3A to 3C.
  • the network device may be a network device.
  • the device may also be a chip configured in a network device.
  • the network device 400 includes a sending module 401 and a receiving module 402.
  • the receiving module 401 is configured to receive a first control signal from a terminal device, where the first control signal is used to instruct the network device to send a first downlink shared signal;
  • the sending module 402 is configured to send the first downlink shared signal according to the first control signal.
  • the first control signal includes indication information used to indicate a channel usage status of the terminal device, and the channel usage status represents a detection result of the terminal device according to the first spatial reception parameter.
  • the indication information includes a channel sensing result, and the channel sensing result includes a channel being idle or not, and the sending module 402 is specifically configured to send the first downlink shared signal when the channel is idle.
  • the indication information includes a channel interference detection result
  • the sending module 402 is specifically configured to: when the interference value corresponding to the channel interference detection result is less than a preset threshold, send the first downlink share Signal.
  • the sending module 402 is further configured to send a second control signal, where the second control signal is used to instruct the terminal device to send the resource of the first control signal.
  • the first control signal is a signal sent according to a first period, and the first period is a sending interval of the first control signal, and the sending module 402 is further configured to: instruct via upper layer control signaling The resource for sending the first control signal by the terminal device.
  • the sending module 402 is further configured to send a third control signal, and activate the resource for sending the first control signal through the third control signal.
  • the device further includes a processing module 403, configured to receive the parameter determined in the second space when the signal length of the second control signal or the first downlink shared signal is greater than a first preset length Channel sensing is performed in the beam direction of, and the beam width determined by the second spatial receiving parameter is an omnidirectional beam width.
  • a processing module 403 configured to receive the parameter determined in the second space when the signal length of the second control signal or the first downlink shared signal is greater than a first preset length Channel sensing is performed in the beam direction of, and the beam width determined by the second spatial receiving parameter is an omnidirectional beam width.
  • the processing module 403 is further configured to: when the time interval between the first control signal and the first downlink shared signal is greater than a first preset value, the beam direction determined according to the second spatial reception parameter Perform channel listening.
  • the sending module 402 is configured to send a fourth control signal to a terminal device, where the fourth control signal is used to instruct the terminal device to send a first uplink shared signal;
  • the receiving module 401 is configured to receive the first uplink shared signal sent according to the fourth control signal.
  • the sending module 402 is further configured to send a fifth control signal, where the fifth control signal is used to instruct the terminal device to detect the resource of the fourth control signal.
  • the device further includes a processing module 403, configured to use a third spatial receiving parameter for channel detection before the fourth control signal is sent to the terminal device, where the third spatial receiving parameter is the first The spatial reception parameters of the uplink shared signal.
  • a processing module 403 configured to use a third spatial receiving parameter for channel detection before the fourth control signal is sent to the terminal device, where the third spatial receiving parameter is the first The spatial reception parameters of the uplink shared signal.
  • the processing module 403 is further configured to, when the signal length of the second control signal is greater than the first preset length, perform channel sensing in the beam direction determined by the fourth spatial receiving parameter, and the fourth The beam coverage determined by the spatial receiving parameter is larger than the beam coverage determined by the third spatial receiving parameter.
  • the foregoing receiving module 401 and sending module 402 may be interface circuits or transceivers.
  • the receiving module 401 and the sending module 402 can be independent modules, or can be integrated as a transceiver module (not shown), and the transceiver module can implement the functions of the receiving module 401 and the sending module 402 described above.
  • the above-mentioned processing module 403 may be a chip, an encoder, an encoding circuit or other integrated circuits that can implement the method of the present application.
  • the network device 400 is used to execute the signal transmission method corresponding to the network device, so the specific description of the signal transmission method is involved, especially the functions of the receiving module 401 and the sending module 402 You can refer to the relevant part of the corresponding embodiment, which will not be repeated here.
  • the network device 400 may also include a storage module (not shown in the figure).
  • the storage module may be used to store data and/or signaling.
  • the storage module may be coupled to the processing module 403, or may be coupled to the receiving module 401 or The sending module 402 is coupled.
  • the processing module 403 may be used to read data and/or signaling in the storage module, so that the signal transmission method in the foregoing method embodiment is executed.
  • FIG. 5 is a terminal device 500 provided by an embodiment of the present application, which may be used to execute the above-mentioned signal transmission method and specific embodiment of the terminal device of FIGS. 2A to 2E or FIGS. 3A to 3C.
  • the terminal device may be The terminal device or the chip that can be configured in the terminal device.
  • the terminal device 500 includes a receiving module 501, a sending module 502, and a processing module 503.
  • the processing module 503 is configured to perform channel sensing. Specifically, the processing module 503 performs channel sensing according to the energy of the signal received by the receiving module 501;
  • the sending module 502 is configured to send a first control signal to the network device when the channel is idle, and the first control signal is used to instruct the network device to send the first downlink shared signal;
  • the receiving module 501 is configured to receive the first downlink shared signal from a network device.
  • the processing module 503 is specifically configured to: perform channel sensing in the beam direction determined by the first spatial receiving parameter.
  • the receiving module 501 is further configured to: receive a second control signal, and determine a resource for sending the first control signal according to the second control signal.
  • the first control signal is a signal sent according to a first cycle
  • the first cycle is a transmission interval of the first control signal
  • the receiving module 501 is further configured to: Indicate determining the resource for sending the first control signal.
  • the receiving module 501 is further configured to: receive a third control signal, and activate the resource for sending the first control signal through the third control signal.
  • the receiving module 501 is configured to receive a fourth control signal sent by a network device, where the fourth control signal is used to instruct the terminal device to send a first uplink shared signal;
  • the sending module 502 is configured to send a first uplink shared signal to the network device according to the fourth control signal.
  • the receiving module 501 is further configured to: receive a fifth control signal, and determine a resource for detecting the fourth control signal according to the fifth control signal.
  • the processing module 503 is configured to, when the signal length of the first uplink shared signal is greater than the second preset length, perform channel sensing in the beam direction determined by the fourth space receiving parameter, and when the channel is idle Sending the first uplink shared signal.
  • the processing module 503 is configured to, when the time interval between the fourth control signal and the first uplink shared signal is greater than a second preset value, perform channel channeling in the beam direction determined by the fourth spatial receiving parameter Listen, and send the first uplink shared signal when the channel is idle.
  • the receiving module 501 and the sending module 502 may be interface circuits or transceivers.
  • the receiving module 501 and the sending module 502 can be independent modules, or can be integrated as a transceiver module (not shown in the figure), and the transceiver module can implement the functions of the receiving module 501 and the sending module 502 described above.
  • the processing module 503 may be a chip, an encoder, an encoding circuit or other integrated circuits that can implement the method of the present application.
  • the terminal device 500 is used to execute the signal transmission method corresponding to the terminal device, so the specific description of the signal transmission method is involved, including the receiving module 501, the sending module 502, and the processing module.
  • the function of 503 please refer to the relevant part of the corresponding embodiment, which will not be repeated here.
  • the terminal device 500 may also include a storage module (not shown in the figure).
  • the storage module may be used to store data and/or signaling.
  • the storage module may be coupled to the processing module 503, or may be coupled to the receiving module 501 or The sending module 502 is coupled.
  • the processing module 503 may be used to read data and/or signaling in the storage module, so that the signal transmission method in the foregoing method embodiment is executed.
  • FIG. 6 shows a schematic diagram of the hardware structure of a communication device in an embodiment of the present application.
  • the structure of the transmitting end device and the receiving end device can refer to the structure shown in FIG. 6.
  • the communication device 600 includes: a processor 111 and a communication transceiver 112, and the processor 111 and the transceiver 112 are electrically coupled;
  • the processor 111 is configured to execute part or all of the computer program instructions in the memory, and when the part or all of the computer program instructions are executed, the device executes the method described in any of the foregoing embodiments.
  • the transceiver 112 is used to communicate with other devices; for example, receiving a first uplink control signal from a terminal device, where the first uplink control signal is used to instruct the network device to send a first downlink shared signal; An uplink control signal sends the first downlink shared signal.
  • the memory 113 for storing computer program instructions.
  • the memory 113 (Memory#1) is located in the device, and the memory 113 (Memory#2) is integrated with the processor 111. Together, or the memory 113 (Memory#3) is located outside the device.
  • the communication device 600 shown in FIG. 6 may be a chip or a circuit.
  • a chip or circuit may be provided in a terminal device or a communication device.
  • the aforementioned transceiver 112 may also be a communication interface.
  • the transceiver includes a receiver and a transmitter.
  • the communication device 600 may also include a bus system.
  • the processor 111, the memory 113, and the transceiver 112 are connected by a bus system.
  • the processor 111 is used to execute the instructions stored in the memory 113 to control the transceiver to receive signals and send signals to complete the first implementation method involved in this application.
  • the memory 113 may be integrated in the processor 111, or may be provided separately from the processor 111.
  • the function of the transceiver 112 may be implemented by a transceiver circuit or a dedicated transceiver chip.
  • the processor 111 may be implemented by a dedicated processing chip, a processing circuit, a processor, or a general-purpose chip.
  • the processor may be a central processing unit (CPU), a network processor (NP), or a combination of CPU and NP.
  • the processor may further include a hardware chip or other general-purpose processors.
  • the above-mentioned hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD) or a combination thereof.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the above-mentioned PLD can be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general array logic (generic array logic, GAL) and other programmable logic devices , Discrete gates or transistor logic devices, discrete hardware components, etc. or any combination thereof.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the memory mentioned in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • DR RAM Direct Rambus RAM
  • FIG. 7 is a communication system 900 provided by an embodiment of the application, which includes a terminal device 901 and a network device 902.
  • the terminal device 901 may include the terminal device 500 described in FIG. 5, and the network device 902 may Including the network device 400 as shown in FIG. 4, the hardware structure corresponding to the terminal device 901 and the network device 902 may be the communication device 600 as shown in FIG.
  • the communication system 900 can be used to execute the aforementioned communication methods and specific embodiments applicable to the aforementioned terminal devices and network devices. For the specific execution process, refer to the description content of FIGS. 2A to 2E or FIGS. 3A to 3C.
  • the embodiment of the present application provides a computer storage medium that stores a computer program, and the computer program includes a method for executing a corresponding method for a network device in the foregoing embodiment.
  • the embodiment of the present application provides a computer storage medium that stores a computer program, and the computer program includes a method for executing a corresponding method for a network device in the foregoing embodiment.
  • the embodiments of the present application provide a computer program product containing instructions, which when run on a computer, cause the computer to execute the method corresponding to the terminal device in the foregoing embodiment.
  • the embodiments of the present application provide a computer program product containing instructions, which when run on a computer, cause the computer to execute the method corresponding to the terminal device in the foregoing embodiment.
  • the size of the sequence number of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not correspond to the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed system, device, and method can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes. .

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本申请公开了一种信号传输方法和装置，其中方法包括：终端设备向网络设备发送第一上行控制信号，第一上行控制信号用于指示网络设备发送第一下行共享信号；网络设备根据第一上行控制信号向终端设备发送第一下行共享信号。或者，网络设备向终端设备发送第二下行控制信号，第二下行控制信号用于指示终端设备发送第一上行共享信号；终端设备根据第二下行控制信号向网络设备发送的第一上行共享信号。本申请实施例公开了在网络设备调度信号之前，通过信号接收节点指示信号发送节点进行信号发送，这个过程可以有效减少信号接收节点的暴露节点问题。

Description

信号传输方法及装置 技术领域
本申请涉及通信技术领域，尤其涉及一种信号传输方法及装置。
背景技术
在非授权频谱上部署的无线通信技术一般采用竞争的方式来使用或共享频谱资源。一般的，站点在发送信号之前首先会监听非授权频谱是否空闲，比如通过非授权频谱上的接收功率的大小来判断其忙闲状态，如果接收功率小于一定门限，则认为非授权频谱处于空闲状态，可以在所述非授权频谱上发送信号，否则不发送信号。这种机制被称作冲突避免的载波侦听多路访问(Carrier Sense Multiple Access with Collision Avoid，简称CSMA/CA)或先监听后发送(Listen Before Talk，简称LBT)。
第三代合作伙伴计划(3rd Generation Partnership Project,3GPP)系统(如LAA/eLAA/NRU)和无线保真(Wireless Fidelity,Wi-Fi)系统(如802.11a/b/g/n/ac/ax等)，发送设备在进行数据传输前，需要通过基于随机退避的信道侦听机制确保信道空闲后才能获得一定的信道占用时间(channel occupancy time,COT),在该时间内进行信号传输时，无需再次进行随机退避侦听。随机退避机制保证了使用非授权频段的各个节点之间的公平性。
目前在3GPP系统中，受限于系统实现框架，无法通过接收端在较短的时间间隔内向发送端发送信号以实现双向握手。另外，相比于低频段，由于高频段信道的发射载频较高，信道衰减较大，为保证一定的覆盖范围，通常采用波束成型技术(Beamforming)来提高某一方向的发射功率。使用全向波束进行信道侦听被称为全向LBT，使用定向波束进行信道侦听被称为定向LBT。在高频应用场景，若在接收端采用传统全向LBT则可能带来暴露节点的问题，即接收端虽然监测到了干扰，但干扰方向并不在接收信号的方向上，并不会对接收产生严重的干扰。从而，接收端的全向LBT会降低空分复用的效率。
发明内容
本申请实施例提供了一种信号传输方法及装置，以便在网络设备调度信号之前，通过信号接收节点指示信号发送节点进行信号发送，减少暴露节点问题。
第一方面，提供了一种信号传输方法，应用于网络设备，所述方法包括：
接收来自终端设备的第一控制信号，所述第一控制信号用于网络设备确定是否发送第一下行共享信号；
根据所述第一控制信号发送所述第一下行共享信号。
在一种可能的实现方式中，所述第一控制信号中包括用于指示所述终端设备的信道使用情况的指示信息，所述信道使用情况表示终端设备根据第一空间接收参数进行检测的结果。
在一种可能的实现方式中，所述指示信息包括信道侦听结果，所述信道侦听结果包括信道空闲或不空闲，所述根据所述第一控制信号发送所述第一下行共享信号包括：
当信道空闲时发送所述第一下行共享信号。
在一种可能的实现方式中，所述指示信息包括信道干扰检测结果，所述根据所述第一 控制信号发送所述第一下行共享信号包括：当所述信道干扰检测结果对应的干扰值小于预设门限值时，发送所述第一下行共享信号。
在一种可能的实现方式中，在所述接收来自终端设备的第一控制信号之前，所述方法还包括：发送第二控制信号，所述第二控制信号用于指示所述终端设备发送所述第一控制信号的资源。
在一种可能的实现方式中，所述第二控制信号中还包括传输配置指示，所述传输配置指示用于所述终端设备确定第一空间接收参数，所述第一空间接收参数与发送所述第一下行共享信号的空间接收参数一致。
在一种可能的实现方式中，所述第一控制信号为按照第一周期发送的信号，所述第一周期为所述第一控制信号的发送间隔，在所述接收来自终端设备的第一控制信号之前，所述方法还包括：
通过上层控制信令指示所述终端设备发送所述第一控制信号的资源。
在一种可能的实现方式中，所述通过上层控制信令指示所述终端设备发送所述第一控制信号的资源还包括：
发送第三控制信号，通过所述第三控制信号激活所述发送所述第一控制信号的资源。
在一种可能的实现方式中，所述上层控制信令或所述第三控制信号中还包括传输配置指示，所述传输配置指示用于所述终端设备确定第一空间接收参数，所述第一空间接收参数与发送所述第一下行共享信号的空间接收参数一致。
在一种可能的实现方式中，当所述第一控制信号为按照第一周期发送的信号时，每个周期的信号所对应的第一空间接收参数不同。
在一种可能的实现方式中，所述第一控制信号通过周期性的物理上行控制信道PUCCH，半静态调度物理上行共享信道PUSCH，免调度PUSCH，配置调度PUSCH，信道探测参考信号SRS，或物理随机接入信道PRACH发送。
在一种可能的实现方式中，当所述第二控制信号、或所述第一下行共享信号的信号长度大于第一预设长度时，在第二空间接收参数所确定的波束方向进行信道侦听，所述第二空间接收参数确定的波束宽度为全向波束宽度。
在一种可能的实现方式中，当所述第一控制信号与所述第一下行共享信号的时间间隔大于第一预设值时，根据第二空间接收参数确定的波束方向进行信道侦听。
在本申请实施例中，在网络设备调度下行共享信号之前，由终端设备提示网络设备进行信号发送，以便终端设备在接收下行共享信号之前所确定的信道使用情况的方向即为接收下行共享信号的方向，有效减少了终端设备(接收节点)的暴露节点问题。
第二方面，提供了一种信号传输方法，应用于网络设备，所述方法包括：
向终端设备发送第四控制信号，所述第四控制信号用于指示所述终端设备发送第一上行共享信号；
接收所述终端设备根据所述第四控制信号发送的所述第一上行共享信号。
在一种可能的实现方式中，在所述发送第四控制信号之前，所述方法还包括：
发送第五控制信号，所述第五控制信号用于指示所述终端设备检测所述第四控制信号的资源。
在一种可能的实现方式中，在所述向终端设备发送第四控制信号之前，采用第三空间接收参数进行信道检测，所述第三空间接收参数为所述第一上行共享信号的空间接收参数。
在一种可能的实现方式中，当所述第五控制信号的信号长度大于第二预设长度时，在第四空间接收参数确定的波束方向进行信道侦听，所述第四空间接收参数确定的波束覆盖范围大于所述第三空间接收参数确定的波束覆盖范围。
在本申请实施例中，在网络设备调度上行共享信号之前，由网络设备提示终端设备进行信号发送，以使网络设备在接收上行共享信号之前进行信道侦听的方向即为接收上行共享信号的方向，有效减少了网络设备(接收节点)的暴露节点问题。
第三方面，提供了一种信号传输方法，其特征在于，应用于终端设备，所述方法包括：
进行信道侦听，并在信道空闲时向网络设备发送第一控制信号，所述第一控制信号用于指示网络设备发送第一下行共享信号；
接收来自网络设备的所述第一下行共享信号。
在一种可能的实现方式中，所述进行信道侦听包括：
在第一空间接收参数确定的波束方向进行信道侦听。
在一种可能的实现方式中，所述第一控制信号中包括用于指示所述终端设备的信道使用情况的指示信息，所述信道使用情况表示所述终端设备根据所述第一空间接收参数进行检测的结果。
在一种可能的实现方式中，在所述进行信道侦听，并在信道空闲时向网络设备发送第一控制信号之前，所述方法还包括：
接收第二控制信号，根据所述第二控制信号确定发送所述第一控制信号的资源。
在一种可能的实现方式中，所述第二控制信号中还包括传输配置指示，所述传输配置指示用于确定第一空间接收参数，所述第一空间接收参数与接收所述第一下行共享信号的空间接收参数一致。
在一种可能的实现方式中，所述第一控制信号为按照第一周期发送的信号，所述第一周期为所述第一控制信号的发送间隔，在所述进行信道侦听，并在信道空闲时向网络设备发送第一控制信号之前，所述方法还包括：
通过上层控制信令的指示确定发送所述第一控制信号的资源。
在一种可能的实现方式中，所述通过上层控制信令的指示确定发送所述第一控制信号的资源还包括：
接收第三控制信号，通过所述第三控制信号激活发送所述第一控制信号的资源。
在一种可能的实现方式中，所述上层控制信令或所述第三控制信号中还包括传输配置指示，所述传输配置指示用于确定第一空间接收参数，所述第一空间接收参数与接收所述第一下行共享信号的空间接收参数一致。
在一种可能的实现方式中，当所述第一控制信号为按照第一周期发送的信号时，每个周期的信号所对应的第一空间接收参数不同。
在一种可能的实现方式中，所述第一控制信号的格式为format 0/1。
在一种可能的实现方式中，所述第一控制信号的格式为format 2/3，所述format2/3采用第一扰码加扰，所述第一扰码用于另一终端设备解调所述第一控制信号。
第四方面，提供了一种信号传输方法，应用于终端设备，所述方法包括：
接收网络设备发送的第四控制信号，所述第四控制信号用于指示所述终端设备发送第一上行共享信号；
根据所述第四控制信号向所述网络设备发送第一上行共享信号。
在一种可能的实现方式中，在接收所述第四控制信号之前，所述方法还包括：
接收第五控制信号，根据所述第五控制信号确定检测所述第四控制信号的资源。
在一种可能的实现方式中，当所述第一上行共享信号的信号长度大于第二预设长度时，在第四空间接收参数确定的波束方向进行信道侦听，当信道空闲时发送所述第一上行共享信号。
在一种可能的实现方式中，当所述第四控制信号与所述第一上行共享信号的时间间隔大于第二预设值时，在第四空间接收参数确定的波束方向进行信道侦听，当信道空闲时发送所述第一上行共享信号。
第五方面，提供了一种网络设备，所述网络设备包括：
接收模块，用于接收来自终端设备的第一控制信号，所述第一控制信号用于网络设备确定是否发送第一下行共享信号；
发送模块，用于根据所述第一控制信号发送所述第一下行共享信号。
在一种可能的实现方式中，所述第一控制信号中包括用于指示所述终端设备的信道使用情况的指示信息，所述信道使用情况表示终端设备根据第一空间接收参数进行检测的结果。
在一种可能的实现方式中，所述指示信息包括信道侦听结果，所述信道侦听结果包括信道空闲或不空闲，所述发送模块具体用于：
当信道空闲时发送所述第一下行共享信号。
在一种可能的实现方式中，所述指示信息包括信道干扰检测结果，所述发送模块具体用于：
当所述信道干扰检测结果对应的干扰值小于预设门限值时，发送所述第一下行共享信号。
在一种可能的实现方式中，所述发送模块还用于：
发送第二控制信号，所述第二控制信号用于指示所述终端设备发送所述第一控制信号的资源。
在一种可能的实现方式中，所述第二控制信号中还包括传输配置指示，所述传输配置指示用于所述终端设备确定第一空间接收参数，所述第一空间接收参数与发送所述第一下行共享信号的空间接收参数一致。
在一种可能的实现方式中，所述第一控制信号为按照第一周期发送的信号，所述第一周期为所述第一控制信号的发送间隔，所述发送模块还用于：通过上层控制信令指示所述终端设备发送所述第一控制信号的资源。
在一种可能的实现方式中，所述发送模块还用于：
发送第三控制信号，通过所述第三控制信号激活所述发送所述第一控制信号的资源。
在一种可能的实现方式中，所述上层控制信令或所述第三控制信号中还包括传输配置 指示，所述传输配置指示用于所述终端设备确定第一空间接收参数，所述第一空间接收参数与发送所述第一下行共享信号的空间接收参数一致。
在一种可能的实现方式中，当所述第一控制信号为按照第一周期发送的信号时，每个周期的信号所对应的第一空间接收参数不同。
在一种可能的实现方式中，所述第一控制信号通过周期性的物理上行控制信道PUCCH，半静态调度物理上行共享信道PUSCH，免调度PUSCH，配置调度PUSCH，信道探测参考信号SRS，或物理随机接入信道PRACH发送。
在一种可能的实现方式中，所述设备还包括处理模块，用于当所述第二控制信号或所述第一下行共享信号的信号长度大于第一预设长度时，在第二空间接收参数所确定的波束方向进行信道侦听，所述第二空间接收参数确定的波束宽度为全向波束宽度。
在一种可能的实现方式中，所述处理模块还用于：当所述第一控制信号与所述第一下行共享信号的时间间隔大于第一预设值时，根据第二空间接收参数确定的波束方向进行信道侦听。
第六方面，提供了一种网络设备，所述网络设备包括：
发送模块，用于向终端设备发送第四控制信号，所述第四控制信号用于指示所述终端设备发送第一上行共享信号；
接收模块，用于接收根据所述第四控制信号发送的所述第一上行共享信号。
在一种可能的实现方式中，所述发送模块还用于：
发送第五控制信号，所述第五控制信号用于指示所述终端设备检测所述第四控制信号的资源。
在一种可能的实现方式中，所述设备还包括处理模块，用于在所述向终端设备发送第四控制信号之前，采用第三空间接收参数进行信道检测，所述第三空间接收参数为所述第一上行共享信号的空间接收参数。
在一种可能的实现方式中，所述处理模块还用于，当所述第二控制信号的信号长度大于第一预设长度时，在第四空间接收参数确定的波束方向进行信道侦听，所述第四空间接收参数确定的波束覆盖范围大于所述第三空间接收参数确定的波束覆盖范围。
第七方面，提供了一种终端设备，所述设备包括：
处理模块，用于进行信道侦听；
发送模块，用于在信道空闲时向网络设备发送第一控制信号，所述第一控制信号用于指示网络设备发送第一下行共享信号；
接收模块，用于接收来自网络设备的所述第一下行共享信号。
在一种可能的实现方式中，所述处理模块具体用于：
在第一空间接收参数确定的波束方向进行信道侦听。
在一种可能的实现方式中，所述第一控制信号中包括用于指示所述终端设备的信道使用情况的指示信息，所述信道使用情况表示所述终端设备根据所述第一空间接收参数进行检测的结果。
在一种可能的实现方式中，所述接收模块还用于：
接收第二控制信号，根据所述第二控制信号确定发送所述第一控制信号的资源。
在一种可能的实现方式中，所述第二控制信号中还包括传输配置指示，所述传输配置指示用于确定第一空间接收参数，所述第一空间接收参数与接收所述第一下行共享信号的空间接收参数一致。
在一种可能的实现方式中，所述第一控制信号为按照第一周期发送的信号，所述第一周期为所述第一控制信号的发送间隔，所述接收模块还用于：
通过上层控制信令的指示确定发送所述第一控制信号的资源。
在一种可能的实现方式中，所述接收模块还用于：
接收第三控制信号，通过所述第三控制信号激活发送所述第一控制信号的资源。
在一种可能的实现方式中，所述上层控制信令或所述第三控制信号中还包括传输配置指示，所述传输配置指示用于确定第一空间接收参数，所述第一空间接收参数与接收所述第一下行共享信号的空间接收参数一致。
在一种可能的实现方式中，当所述第一控制信号为按照第一周期发送的信号时，每个周期的信号所对应的第一空间接收参数不同。
在一种可能的实现方式中，所述第一控制信号的格式为format 0/1。
在一种可能的实现方式中，所述第一控制信号的格式为format 2/3，所述format2/3采用第一扰码加扰，所述第一扰码用于另一终端设备解调所述第一控制信号。
第八方面，提供了一种终端设备，所述设备包括：
接收模块，用于接收网络设备发送的第四控制信号，所述第四控制信号用于指示所述终端设备发送第一上行共享信号；
发送模块，用于根据所述第四控制信号向所述网络设备发送第一上行共享信号。
在一种可能的实现方式中，所述接收模块还用于：
接收第五控制信号，根据所述第五控制信号确定检测所述第四控制信号的资源。
在一种可能的实现方式中，所述设备还包括处理模块，用于当所述第一上行共享信号的信号长度大于第二预设长度时，在第四空间接收参数确定的波束方向进行信道侦听，当信道空闲时发送所述第一上行共享信号。
在一种可能的实现方式中，当所述第四控制信号与所述第一上行共享信号的时间间隔大于第二预设值时，在第四空间接收参数确定的波束方向进行信道侦听，当信道空闲时发送所述第一上行共享信号。
第九方面，提供了一种通信装置，所述装置包括至少一个处理器，所述至少一个处理器与至少一个存储器耦合：
所述至少一个处理器，用于执行所述至少一个存储器中存储的计算机程序或指令，以使得所述装置执行如第一方面或第二方面任一项所述的方法。
第十方面，提供了一种通信装置，所述装置包括至少一个处理器，所述至少一个处理器与至少一个存储器耦合：
所述至少一个处理器，用于执行所述至少一个存储器中存储的计算机程序或指令，以使得所述装置执行如第三方面或第四方面任一项所述的方法。
第十一方面，本申请实施例提供一种芯片系统，包括：处理器，所述处理器与存储器耦合，所述存储器用于存储程序或指令，当所述程序或指令被所述处理器执行时，使得该 芯片系统实现上述第一方面或第一方面的任一种可能的实现方式中的方法，或者执行上述第二方面或第二方面的任一种可能的实现方式中的方法，或者执行上述第三方面或第三方面的任一种可能的实现方式中的方法，上述第四方面或第四方面的任一种可能的实现方式中的方法。
可选地，该芯片系统还包括接口电路，该接口电路用于交互代码指令至所述处理器。
可选地，该芯片系统中的处理器可以为一个或多个，该处理器可以通过硬件实现也可以通过软件实现。当通过硬件实现时，该处理器可以是逻辑电路、集成电路等。当通过软件实现时，该处理器可以是一个通用处理器，通过读取存储器中存储的软件代码来实现。
可选地，该芯片系统中的存储器也可以为一个或多个。该存储器可以与处理器集成在一起，也可以和处理器分离设置，本申请并不限定。示例性的，存储器可以是非瞬时性处理器，例如只读存储器ROM，其可以与处理器集成在同一块芯片上，也可以分别设置在不同的芯片上，本申请对存储器的类型，以及存储器与处理器的设置方式不作具体限定。
第十二方面，提供了一种可读存储介质，其特征在于，用于存储指令，当所述指令被执行时，使如第一方面或第二方面任一项所述的方法被实现，或者使如第三方面或第四方面中任一项所述的方法被实现。
第十三方面，提供了一种计算机程序产品，当计算机读取并执行所述计算机程序产品时，使得计算机执行如第一方面或第二方面中所述的方法，或者使计算机执行如权利要求第三方面或第四方面中所述的方法。
第十四方面，提供了一种通信系统，包括如第五方面所述的网络设备和第六方面所述的终端设备，或者包括如第六方面所述的网络设备和第八方面所述的终端设备。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍。
图1为本申请实施例提供的一种通信系统示意图；
图2A为本申请实施例提供的一种信号传输方法流程示意图；
图2B为本申请实施例提供的一种调用下行共享信号过程示意图；
图2C为本申请实施例提供的一种基于终端设备信道侦听的通信过程示意图；
图2D为本申请实施例提供的一种周期性信号发送示意图；
图2E为本申请实施例提供的另一种周期性信号发送示意图；
图3A为本申请实施例提供的另一种信号传输方法流程示意图；
图3B为本申请实施例提供的一种调用上行共享信号过程示意图；
图3C为本申请实施例提供的一种基于网络设备信道侦听的通信过程示意图；
图4为本申请实施例提供的一种网络设备结构框图；
图5为本申请实施例提供的一种终端设备结构框图；
图6为本申请实施例提供的一种通信装置结构示意图；
图7为本申请实施例提供的一种通信系统示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述。
本申请的说明书和权利要求书及所述附图中的术语“第一”、“第二”、“第三”和“第四”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
首先结合附图对本申请实施例涉及的术语进行介绍。
网络设备：网络侧的一种用于发射或接收信号的实体，是移动通信的信息交换中心，主要负责管理一定无线覆盖区域内的终端设备，完成无线信号的发送接收和无线资源管理等功能。可以是基站，或者接入点，或者可以是指接入网中在空中接口上通过一个或多个扇区与无线终端通信的设备。基站可用于将收到的空中帧与IP分组进行相互转换，作为无线终端与接入网的其余部分之间的路由器，其中接入网的其余部分可包括网际协议(IP)网络。基站还可协调对空中接口的属性管理。例如，基站可以是全球移动通讯(Global System of Mobile communication，GSM)或码分多址(Code Division Multiple Access，CDMA)中的基站(Base Transceiver Station，BTS)，也可以是宽带码分多址(Wideband Code Division Multiple Access，WCDMA)中的基站(NodeB，NB)，还可以是长期演进(Long Term Evolution，LTE)中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者中继站或接入点，或者5G网络中的基站(gNB)，或者IAB节点(接入回传一体化基站)等，在此并不限定。
终端设备：终端设备是用户侧的一种用于接收或发射信号的实体，其行为主要受到网络设备如gNB的控制，发送接收信号受到网络设备的调度。终端设备可以是一种向用户提供语音和/或数据连通性的设备，例如，具有无线连接功能的手持式设备、或连接到无线调制解调器的处理设备。该终端设备可以经无线接入网(radio access network，RAN)与核心网进行通信，与RAN交换语音和/或数据。该终端设备可以包括用户设备(user equipment，UE)、无线终端设备、移动终端设备、设备到设备通信(device-to-device，D2D)终端设备、车与外界(vehicle-to-everything，V2X)终端设备、机器到机器/机器类通信(machine-to-machine/machine-type communications，M2M/MTC)终端设备、物联网(internet of things，IoT)终端设备、订户单元(subscriber unit)、订户站(subscriber station)，移动站(mobile station)、远程站(remote station)、接入点(access point，AP)、远程终端(remote  terminal)、接入终端(access terminal)、用户终端(user terminal)、用户代理(user agent)、或用户装备(user device)等。例如，可以包括移动电话(或称为“蜂窝”电话)，具有移动终端设备的计算机，便携式、袖珍式、手持式、计算机内置的移动装置等。例如，个人通信业务(personal communication service，PCS)电话、无绳电话、会话发起协议(session initiation protocol，SIP)话机、无线本地环路(wireless local loop，WLL)站、个人数字助理(personal digital assistant，PDA)、等设备。还包括受限设备，例如功耗较低的设备，或存储能力有限的设备，或计算能力有限的设备等。例如包括条码、射频识别(radio frequency identification，RFID)、传感器、全球定位系统(global positioning system，GPS)、激光扫描器等信息传感设备。
本申请实施例主要应用于工作于非授权频谱的5G NR(5G NR in Unlicensed Spectrum，5G NR-U)系统。请参阅图1，图1为本申请实施例提供的一种通信系统示意图，如图1所示，该系统中包括基站(Base station，BS)和UE1～UE6。在该通信系统中，UE1～UE6可以发送上行数据给基站，基站需要接收UE1～UE6发送的上行数据给UE1～UE6。此外，UE4～UE6也可以组成一个通信系统。在该通信系统中，BS可以发送下行信息给UE1、UE2、UE5等；UE5也可以发送下行信息给UE4、UE6。
本发明也可以应用于其它的通信系统，只要该通信系统中需要进行对信道状态信息进行交互，且该系统中存在发送实体和接收实体用于进行信息交互，避免在信道侦听中发生碰撞。
请参阅图2A，图2A为本申请实施例提供的一种信号传输方法流程示意图，如图2A所示，该方法包括如下步骤：
201、终端设备进行信道侦听，并在信道空闲时向网络设备发送第一控制信号，所述第一控制信号用于指示网络设备发送第一下行共享信号。
202、网络设备根据所述第一控制信号发送所述第一下行共享信号。
以下对201进行说明。
网络设备调用下行共享信号的过程请参阅图2B，图2B为本申请实施例提供的一种调用下行共享信号过程示意图，如图2B所示，首先由网络设备通过物理下行控制信道(Physical Downlink Control Channel,PDCCH)发送下行控制信息(Downlink Control Information,DCI)，DCI中可以包含终端设备的资源分配和其他的控制信息，例如接收下行共享信号的控制信息，以及接收下行共享的时频资源。终端设备接收到DCI后，在DCI所指示的时频资源位置接收网络设备通过物理下行共享信道(Physical Downlink Shared Channel，PDSCH)发送的用户数据。
在本申请实施例中，在网络设备向终端设备发送用户数据前，由终端设备先向网络设备发送第一控制信号，用于通知网络设备发送第一下行共享信号，请参阅图2C，图2C为本申请实施例提供的一种基于终端设备信道侦听的通信过程示意图，如图2C所示，终端设备首先进行信道侦听，确定信道是否空闲。如果信道空闲，则通过物理上行信道PUCCH发送第一控制信号PUCCH M1，发送PUCCH M1调度的PUCCH资源可以被称为PUCCH1，发送其他参数或信息例如混合自动重传请求(Hybrid Automatic Repeat Request，HARQ)信号调度的PUCCH资源可以被称为PUCCH2。PUCCH M1用于提示信号的接收节点(网络 设备)是否发送数据。因此，第一控制信号可以是发送指令，用于直接指示网络设备发送或者不发送第一下行共享信号PDSCH M1。或者第一控制信号可以是一些参数信息或指示信息，网络设备根据接收到的参数信息或指示信息判断是否发送PDSCH M1。
在一些情况下，终端设备需要进行信道侦听，并在确定信道空闲时向网络设备发送第一控制信号，其中，终端设备在第一空间接收参数确定的波束方向进行信道侦听，第一空间接收参数确定的波束方向为定向天线覆盖范围的波束。
在一些情况下，终端设备发送的PUCCH M1中可以包括用于指示终端设备信道使用情况的指示信息。信道使用情况表示终端设备根据第一空间接收参数进行检测的结果。进行检测的结果可以包括信道干扰值，干扰来源或干扰类型等。将检测获得的干扰值与预设门限值进行对比，确定干扰值与预设能量监测门限ED(Energy Detection)的大小关系。其中，ED的设置可以根据待发送的第一下行共享信号的调制和编码方案(Modulation and Coding Scheme，MCS)来确定，比如调制阶数MCS的等级与ED的等级成反比，即调制阶数相对而言较低的MCS可以对应相对而言较高的ED，其中MCS和检测门限ED的对应关系可以由上层信令来配置或由协议默认配置，具体对应关系可以参考表1：
表1
MCS ED
mcs0 -26dbm
mcs1 -28dbm
mcs2 -30dbm
mcs3 -32dbm
… …
或者ED的设置也可以根据终端设备接收能力(Capability)来决定，比如终端设备的接收能力与ED的等级/ED值成反比，即终端设备可以采用比相对于其接收能力低的另一终端设备更高的ED/ED值；又或者ED的设置可以根据指示信息中的信号干扰值来确定，比如终端设备当前检测到的信号干扰值小于之前终端设备上报的信道状态指示(Channel State Indication，CSI)中携带的干扰值，则可以提高ED值。
或者ED的设置也可以根据干扰来源或干扰类型来确定，比如对于非本小区的干扰信号采用的ED门限可以高于来自其他小区的干扰信号的时采用的ED门限。
在一些实施方式中，干扰值与ED的对比可以在终端设备中进行，终端设备首先获取ED，获取的方法包括：标准中预先定义；或者由网络设备通过上层控制信令，例如无线资源控制(Radio Resource Control，RRC)给终端设备配置；或者由网络设备通过DCI为终端设备配置。然后判断干扰检测结果中的干扰值与ED的大小关系，并根据大小关系生成发送指令，如果干扰值≤ED，生成的发送指令为“发送”，否者生成的发送指令为“不发送”，网络设备根据接收到的发送指令确定是否发送第一下行共享信号。
在一些实施方式中，终端设备根据干扰值和ED的对比获得侦听结果，侦听结果包括信道空闲或不空闲。同样的，ED的获取方法可以通过标准中预先定义，RRC配置或DCI配置。如果干扰值≤ED，则侦听结果为信道空闲；如果干扰值＞ED，则侦听结果为信道不 空闲。PUCCH M1中所包括的指示信息即可为该侦听结果，如果PUCCH M1中的侦听结果为信道空闲，表示网络设备可以发送PDSCH M1，否则不发送PDSCH M1。
在一些实施方式中，干扰值与ED的对比也可以在网络设备中进行，将终端设备根据第一空间接收参数进行检测的结果作为干扰检测结果，然后通过PUCCH M1向网络设备发送指示信息，指示信息包括干扰检测结果，干扰检测结果中包括干扰值，网络设备将干扰值与ED值进行比对，网络设备中的ED可以是标准中预先定义，也可以由网络设备根据通信情况动态获取。如果网络设备确定干扰值≤ED，则向终端设备发送PDSCH M1，否则不发送PDSCH M1。
上述“≤”表示小于或等于，等于可以被包含在上限值中，也可以被包含在下限值中，即上述“≤”也可以与“＜”互相替换，“＞”也可以与“≥”替换。
在一些实施方式中，在终端设备发送PUCCH M1之前，网络设备通过PDCCH发送第二控制信号PDCCH M1，第二控制信号可以用于指示终端设备发送PUCCH M1的资源，包括时域资源，频域资源，或者码字资源等。例如通过指示PUCCH的信号起始点和传输时长来指示PUCCH M1的时频资源，该传输时长可以为符号或者毫秒；通过PUCCH资源指示(PUCCH Resource Indication,PRI)来指示PUCCH M1的频域资源位置。终端设备在所指示的时频位置发送PUCCH M1。另外，PDCCH M1中还可以包括传输配置指示(Transmission Configuration Indicator,TCI)，终端设备可以根据TCI确定第一空间接收参数，终端设备确定第一空间接收参数后，在该空间接收参数确定的波束方向进行信号干扰检测(或信道侦听)。网络设备在接收到PUCCH M1后，如果确定发送第一下行共享信号，则在第一空间接收参数确定的波束方向发送，如此，终端设备进行信道侦听的波束方向与接收第一下行共享信号的波束方向相同。此外，传输配置指示信息可以在上层信令RRC中配置，此时，网络设备不需要在PDCCH M1中发送该传输配置指示，以节省信令开销。
具体地，传输配置指示用于表明两个接收信号之间具有准共址(quasi co-location，QCL)关系。其中QCL关系分类如表2所示：
表2
Figure PCTCN2020076284-appb-000001
当传输配置指示中的QCL关系为Type D时，用于表示传输配置指示中指示的两个接收信号，例如信号A和信号B，接收A信号时的空间接收参数与接收B信号时的空间接收参数相同。示例性地，A信号可以是PDCCH信号中的解调参考信号(Demodulation Reference Signal,DMRS)或同步信号块(Synchronization Signal Block,SSB)中的DMRS，也可以是通道状态指示参考信号(Channel state Indication Reference Signal，CSI-RS)，B信号可以是PDSCH信号。终端设备根据空间接收参数确定波束方向，那么终端设备在该波束方向进行 信道侦听，并且该波束方向即为终端设备接收下行共享信号的方向。这种情况下，终端设备是在定向波束进行的信道侦听，可被称为定向LBT。在定向LBT的过程中，对于下行共享信号接收节点(终端设备)来说，进行信道侦听或干扰检测的波束方向即为接收信号的波束方向，从而减少了其他非接收信号方向来的信号干扰，有效减少了终端设备暴露节点的问题。
在一些实施方式中，第一控制信号可以为按照第一周期发送的周期性信号。请参阅图2D，图2D为本申请实施例提供的一种周期性信号发送示意图，如图2D所示，终端设备UE1按照周期T1向终端设备发送第一控制信号MU1，网络设备接收MU1，并根据MU1确定是否发送第一下行共享信号PDSCH M1。同样的，在终端设备发送MU1之前，可以进行定向LBT，即在第一空间接收参数确定的波束方向进行信道侦听，然后将侦听结果通过MU1发送给网络设备，以便网络设备根据侦听结果确定是否发送PDSCH M1；或者终端设备进行信道干扰检测，然后将干扰检测结果通过MU1发送给网络设备，以便网络设备根据干扰检测结果中的干扰值与ED的大小关系确定是否发送PDSCH M1。
另外，第一控制信号为按照第一周期发送的信号，即第一控制信号是周期性的上行资源,周期性的上行资源可以由两种方式来调度。其中一种方式被称为type1的资源调度方式：网络设备通过上层控制信令，例如RRC来给终端设备配置上行资源，例如上行资源的周期,频域位置,码字资源，MCS，最大发射功率，传输配置指示(用于确定第一空间接收参数)等配置信息。当终端设备接收到这些配置信息时,即可以在对应的资源上前进行定向LBT，进而发送第一控制信息。另一种方式被称为type2的资源调度方式：不同于type1的资源配置方式，type2的资源配置方式采用RRC+DCI的资源调度方式,网络设备给终端设备配置好周期性的上行资源后，这些周期的上行资源并不是立即生效的，还需要通过DCI信令来激活这些上行资源，即在网络设备接收到上层控制指令之后，还需要接收网络设备发送的第三控制信号以便激活上层控制指令中指示的上行资源，此时，部分在RRC中发送的信令,如MCS等,由第三控制信号(DCI)来发送。
进一步，为减少网络设备调度第一下行共享信号的信令开销，网络设备也可以通过上层控制信令，例如RRC来给终端设备配置与第一控制信号相关联的第一下行共享信号的资源配置信息。终端设备在第一控制信号关联的第一下行共享信号的资源上接收下行数据。
在一些情况下，网络设备可以同时为多个终端设备配置周期性的第一控制信号资源，请参阅图2E，图2E为本申请实施例提供的另一种周期性信号发送示意图，如图2E所示，终端设备UE1按照周期T1向终端设备发送第一控制信号MU1，终端设备UE2按照周期T2向终端设备发送第一控制信号MU2，其中T1与T2可以相同，也可以不同。UE1和UE2获取到的第一空间接收参数可以相同，也可以不同，即UE1和UE2可以在同一个波束方向进行信道侦听，也可以在不同的波束方向进行信道侦听。
当第一控制信号为按照第一周期发送的信号时，终端设备发送的第一控制信号可以通过周期性的PUCCH，半静态调度PUSCH，免调度PUSCH，配置调度PUSCH，信道探测参考信号(Sounding Reference Signal,SRS)，或物理随机接入信道(Physical Random Access Channel,PRACH)发送。
在本申请实施例中，终端设备周期性地向网络设备发送第一控制信号，同时周期性地 在第一控制信号前进行信道侦听，对应地可以周期性接收第一下行共享信号，因为第一控制信号由上层控制指令以及第三控制信号来调度，因此该过程减少了网路设备调度上、下行资源所需要发送调度信号或信令的次数，提升了通信效率。
当终端设备使用PUCCH信道发送第一控制信号时，可以采用以下一种或多种格式：PUCCH format 0或PUCCH format 1(format 0/1)，以及PUCCH format 2或PUCCH format 3(format 2/3)。其中format 0/1是序列，表示1bit信息，可用来发送较短的信号，例如上述描述中的发送指令，该指令仅指示“发送”或“不发送”；或者可以是侦听结果，表示“空闲”或“不空闲”。format 2/3是多个bit的二进制码，可以用来发送较长的信号，例如干扰检测结果。另外，format 2/3中还可以包括剩余的信道占用时间(Channel Occupancy Time,COT)，终端设备建议网络设备发送的PDSCH信号起点相对PUCCH信号结束的偏移，长度，MCS，以及终端设备能接收的干扰门限等信息，帮助基站侧调整后续发送PDSCH数据信号。在发送第一控制信号的同时，通过PUCCH format 2/3也可以携带其他上行高优先级的上行控制信息(Uplink Control Information,UCI)信息，比如混合自动重传请求确认字符(Hybrid Automatic Repeat Request Acknowledge Character，HARQ-ACK)等。
另外，在本申请实施例中，在采用format 0/1发送第一控制信号之前，网络设备可以通过上层信令或协议预先为采用format0/1的不同的终端设备的PUCCH1配置相同的时频资源，那么当终端设备发送第一控制信号时，其他与该第一控制信号具有相同时频资源的终端设备接收或检测到该信号时，在t1时间段内停止向网络设备发送信号。其中，t1也可以由上层信令或协议预先配置。在采用format 2/3发送第一控制信号之前，网络设备可以通过上层信令或协议预先为采用format2/3的不同终端设备的PUCCH1配置相同的加扰序列和时频资源，那么当终端设备采用format2/3发送第一控制信号时，其他与该第一控制信号具有相同加扰序列的终端设备接收或检测到该信号后，在t2时间段内停止向网络设备发送信号。其中t2可以由第一控制信号携带。
以下对202进行说明，网络设备根据所述第一控制信号发送所述第一下行共享信号。
根据上述实施例描述可知，当网络设备接收到第一控制信号后，可以根据其中的发送指令确定发送或者不发送第一下行共享信号，或者根据其中的参数信息或指示信息确定发送或者不发送第一下行共享信号。即网络设备根据每一条第一控制信号进行一次第一下行共享信号调度。终端设备接收第一下行共享信号的空间接收参数与终端设备进行信道侦听或信道干扰检测的空间接收参数相同，都为第一空间接收参数。当第一控制信号为按照第一周期发送的信号时，网络设备也可以按照第一周期调度第一下行共享信号，也可以采用动态的方式随机调度第一下行共享信号。终端设备按照第一周期在第一空间接收参数确定的波束方向进行信道侦听或信道干扰检测，每个周期的信号对应的第一空间接收参数可以相同，也可以不同，那么第一空间接收参数确定的波束方向可以是一个固定的波束方向，也可以是可变的波束方向，例如可以是终端设备接收网络设备的信号的强度最大的一个或多个波束方向。
在一些实施方式中，在网络设备发送第一下行共享信号之前，也可以进行信道侦听以确保信道满足信号发送条件。即在根据第二空间接收参数确定的波束方向进行信道侦听。其中第二空间接收参数确定的波束宽度为全向波束宽度。那么在第二空间接收参数确定的 波束方向进行信道侦听即为全向LBT。但是，在一些情况下，例如当第一控制信号结束点与第一下行共享信号的起始点之间的间隔小于第一预设值时，在发送第一下行共享信号之前可以不进行全向LBT而直接发送信号。其中第一预设值可以为16μs(微秒)，5us,9us等。或者，当第一下行共享信号的信号长度小于或等于第一预设长度时，第一预设长度可以为500us。表示第一下行共享信号为一个短信号，其对信道的干扰较低，因此可以不进行全向LBT而直接发送信号。
同样的，对于第二控制信号，在发送前也可以进行全向LBT，并且当其信号长度小于或等于第一预设长度时，可以不进行全向LBT而直接发送信号。
在本申请实施例中，在网络设备调度下行共享信号之前，由终端设备提示网络设备进行信号发送，以便终端设备在接收下行共享信号之前所确定的信道使用情况的方向即为接收下行共享信号的方向，有效减少了终端设备(接收节点)的暴露节点问题。
请参阅图3A，图3A为本申请实施例提供的另一种信号传输方法流程示意图，如图3A所示，该方法包括如下步骤：
301、网络设备向终端设备发送第四控制信号，所述第四控制信号用于指示终端设备发送第一上行共享信号；
302、终端设备根据所述第四控制信号发送所述第一上行共享信号。
以下对301进行说明。
在3GPP系统中，网络设备调用上行共享信号的具体过程请参阅图3B，图3B为本申请实施例提供的一种调用上行共享信号过程示意图，如图3B所示，首先由网络设备通过PDCCH发送DCI，DCI中可以包含终端设备的资源分配和其他的控制信息，例如发送上行共享信号的控制信息，以及发送上行共享信号的时频资源。终端设备接收到DCI后，通过对应时频位置的PUSCH向网络设备发送的上行共享信号。
或者，调用上行共享信号的过程也采用上层控制信令来进行，具体包括两种方式：方式一，由网络设备通过上层控制信令，例如RRC来给终端设备配置上行资源，如上行资源的频域位置，码字资源，MCS，最大发射功率等配置信息,当终端设备接收到这些配置信息时,即可以在对应的资源上发送上行共享信号。方式二：网络设备给终端设备配置好上行资源后，这些上行资源并不是立即生效的,还需要通过DCI信令来激活这些上行资源，然后终端设备在对应的资源上发送上行共享信号。此时，部分在RRC中发送的信令,如MCS等,由DCI来发送。
在本申请实施例中，在终端设备发送第一上行共享信号之前，由网络设备先向终端设备发送第四控制信号，用于指示终端设备发送第一上行共享信号。具体地，请参阅图3C，图3C为本申请实施例提供的一种基于网络设备信道侦听的通信过程示意图，如图3C所示，通过PDCCH向终端设备发送第四控制信号PDCCH M2，发送PDCCH M2调度的PDCCH资源可以被称为PDCCH调度(schedule)B。其中PDCCH M2用于提示接收到信号的节点(终端设备)是否发送数据。因此，PDCCH M2可以是发送指令，用于直接指示终端设备发送或者不发送第一上行共享信号PUSCH M1。或者PDCCH M2可以是一些参数信息或指示信息，终端设备根据接收到的参数信息或指示信息确定是否发送第一下行共享信号。
在一些情况下，PDCCH M2中可以包括用于指示网络设备的信道侦听结果的指示信息，信道侦听结果包括信道空闲或不空闲，网络设备获得信道侦听结果的过程为：进行信道干扰检测并获得干扰检测结果，干扰检测结果中可以包括干扰值，信号干扰来源或信号干扰类型等。网络设备将干扰值与预设门限值(ED)进行对比。其中，ED的设置可以根据第一上行共享信号的MCS来确定，MCS与ED的对应关系可以参照步骤201～步骤202的实施例中的具体描述。或者ED的设置也可以根据网络设备接收能力(Capability)来决定，比如接收能力强的网络设备可以采用比接收能力低的网络设备对应更高的ED。如果干扰值≤ED，则网络设备向终端设备发送的信道侦听结果为空闲，终端设备可以向网络设备发送PUSCH M1；如果干扰值＞ED，则网络设备向终端设备发送的信道侦听结果为不空闲，终端设备不能向网络设备发送PUSCH M1。或者ED的设置也可以根据干扰来源或干扰类型来确定，比如对于非本小区的干扰信号采用的ED门限可以高于来自其他小区的干扰信号的时采用的ED门限。
或者，网络设备根据上述干扰值与预设门限值(ED)进行对比的过程确定干扰值≤ED后，直接生成发送指令为“可发送”，确定干扰值＞ED后，直接生成发送指令为“不可发送”。终端设备根据发送指令确定是否发送PUSCH M1。
在一些情况下，在网络设备发送PDCCH M2之前，还可以向终端设备发送第五控制信号PDCCH M3，发送PDCCH M1调度的PDCCH资源可以被称为PDCCH调度(schedule)A。PDCCH M3可以用于指示终端设备检测PDCCH M2的资源。终端设备在资源指示的时频，码资源上检测PDCCH M2。终端设备在接收到PDCCH M2后，如果确定发送第一上行共享信号，则在第三空间接收参数确定的波束方向发送，其中网络设备进行信道侦听的波束方向与接收第一上行共享信号的波束方向相同。与步骤201～步骤202的实施例中的描述相同，这个过程可以被称为定向LBT。在定向LBT的过程中，对于上行共享信号接收节点(网络设备)来说，进行信道侦听或干扰检测的波束方向即为接收信号的波束方向，减少了来自其他非接收信号方向的信号干扰，有效减少了网络设备暴露节点的问题。
以下对302进行说明，终端设备根据所述第四控制信号发送所述第一上行共享信号。
根据上述实施例描述可知，当终端设备接收到第四控制信号后，可以根据其中的发送指令直接确定发送或者不发送第一上行共享信号，或者根据其中的指示信息确定发送或者不发送第一上行共享信号。
在一种情况下，在终端设备发送第一上行共享信号之前，也可以进行全向信道侦听以确保满足信号发送条件。但是，在一些情况下，例如当第四控制信号结束点与第一上行共享信号起始点之间的间隔小于或等于第二预设值时，在发送第一上行共享信号之前可以不进行全向LBT而直接发送信号。其中第二预设值可以为16μs(微秒)，5us或者9us。或者，当第一上行共享信号的信号长度小于或等于第二预设长度时，表示第一上行共享信号为一个短信号，其对信道干扰的要求较低，因此可以不进行全向LBT而直接发送信号,第二预设长度可以是500us。
同样的，对于第五控制信号，网络设备在发送前可以进行信道侦听以满足信号发送条件，即根据第四空间接收参数确定的波束方向进行信道侦听，其中第四空间接收参数确定的波束覆盖范围大于第三空间接收参数确定的波束覆盖范围。第四空间接收参数所确定的 波束覆盖范围可以是一个全向波束覆盖范围，那么在第四空间接收参数确定的波束方向进行信道侦听即为全向LBT，但当其信号长度小于或等于第一预设长度时，可以不进行全向LBT而直接发送信号。
在本申请实施例中，在网络设备调度上行共享信号之前，由网络设备提示终端设备进行信号发送，以使网络设备在接收上行共享信号之前进行信道侦听的方向即为接收上行共享信号的方向，有效减少了网络设备(接收节点)的暴露节点问题。
图4为本申请实施例提供的一种网络设备400，其可以用于执行上述图2A～图2E或图3A～图3C的网络设备的信号传输方法和具体实施例，该网络设备可以是网络设备或者可以是配置于网络设备的芯片。在一种可能的实现方式中，如图4所示，该网络设备400包括发送模块401，接收模块402。
接收模块401，用于接收来自终端设备的第一控制信号，所述第一控制信号用于指示网络设备发送第一下行共享信号；
发送模块402，用于根据所述第一控制信号发送所述第一下行共享信号。
可选的，所述第一控制信号中包括用于指示所述终端设备的信道使用情况的指示信息，所述信道使用情况表示终端设备根据第一空间接收参数进行检测的结果。
可选的，所述指示信息包括信道侦听结果，所述信道侦听结果包括信道空闲或不空闲，所述发送模块402具体用于：当信道空闲时发送所述第一下行共享信号。
可选的，所述指示信息包括信道干扰检测结果，所述发送模块402具体用于：当所述信道干扰检测结果对应的干扰值小于预设门限值时，发送所述第一下行共享信号。
可选的，所述发送模块402还用于：发送第二控制信号，所述第二控制信号用于指示所述终端设备发送所述第一控制信号的资源。
可选的，所述第一控制信号为按照第一周期发送的信号，所述第一周期为所述第一控制信号的发送间隔，所述发送模块402还用于：通过上层控制信令指示所述终端设备发送所述第一控制信号的资源。
可选的，所述发送模块402还用于：发送第三控制信号，通过所述第三控制信号激活所述发送所述第一控制信号的资源。
可选的，所述设备还包括处理模块403，用于当所述第二控制信号或所述第一下行共享信号的信号长度大于第一预设长度时，在第二空间接收参数所确定的波束方向进行信道侦听，所述第二空间接收参数确定的波束宽度为全向波束宽度。
可选的，所述处理模块403还用于：当所述第一控制信号与所述第一下行共享信号的时间间隔大于第一预设值时，根据第二空间接收参数确定的波束方向进行信道侦听。
或者，
发送模块402，用于向终端设备发送第四控制信号，所述第四控制信号用于指示所述终端设备发送第一上行共享信号；
接收模块401，用于接收根据所述第四控制信号发送的所述第一上行共享信号。
可选的，所述发送模块402还用于：发送第五控制信号，所述第五控制信号用于指示所述终端设备检测所述第四控制信号的资源。
可选的，所述设备还包括处理模块403，用于在所述向终端设备发送第四控制信号之前，采用第三空间接收参数进行信道检测，所述第三空间接收参数为所述第一上行共享信号的空间接收参数。
可选的，所述处理模块403还用于，当所述第二控制信号的信号长度大于第一预设长度时，在第四空间接收参数确定的波束方向进行信道侦听，所述第四空间接收参数确定的波束覆盖范围大于所述第三空间接收参数确定的波束覆盖范围。
可选的，上述接收模块401和发送模块402可以为接口电路或者收发器。接收模块401和发送模块402可以为独立的模块，也可以集成为收发模块(图未示)，收发模块可以实现上述接收模块401和发送模块402的功能。
上述处理模块403可以是芯片，编码器，编码电路或其他可以实现本申请方法的集成电路。
由于具体的方法和实施例在前面已经介绍过，该网络设备400是用于执行对应于网络设备的信号传输方法，因此涉及信号传输方法的具体描述，特别是接收模块401和发送模块402的功能可以参考对应实施例的相关部分，此处不再赘述。
可选的，网络设备400还可以包括存储模块(图中未示出)，该存储模块可以用于存储数据和/或信令，存储模块可以和处理模块403耦合，也可以和接收模块401或发送模块402耦合。例如，处理模块403可以用于读取存储模块中的数据和/或信令，使得前述方法实施例中的信号传输方法被执行。
图5是本申请实施例提供的一种终端设备500，其可以用于执行上述图2A～图2E或图3A～图3C的终端设备的信号传输方法和具体实施例，，该终端设备可以是终端设备或者可以配置于终端设备的芯片。在一种可能的实现方式中，如图5所示，该终端设备500包括接收模块501，发送模块502，处理模块503。
处理模块503，用于进行信道侦听，具体地，处理模块503根据接收模块501所接收到的信号的能量进行信道侦听；
发送模块502，用于在信道空闲时向网络设备发送第一控制信号，所述第一控制信号用于指示网络设备发送第一下行共享信号；
接收模块501，用于接收来自网络设备的所述第一下行共享信号。
可选的，处理模块503具体用于：在第一空间接收参数确定的波束方向进行信道侦听。
可选的，接收模块501还用于：接收第二控制信号，根据所述第二控制信号确定发送所述第一控制信号的资源。
可选的，所述第一控制信号为按照第一周期发送的信号，所述第一周期为所述第一控制信号的发送间隔，所述接收模块501还用于：通过上层控制信令的指示确定发送所述第一控制信号的资源。
可选的，所述接收模块501还用于：接收第三控制信号，通过所述第三控制信号激活发送所述第一控制信号的资源。
或者，
接收模块501，用于接收网络设备发送的第四控制信号，所述第四控制信号用于指示 所述终端设备发送第一上行共享信号；
发送模块502，用于根据所述第四控制信号向所述网络设备发送第一上行共享信号。
可选的，接收模块501还用于：接收第五控制信号，根据所述第五控制信号确定检测所述第四控制信号的资源。
可选的，所述处理模块503，用于当所述第一上行共享信号的信号长度大于第二预设长度时，在第四空间接收参数确定的波束方向进行信道侦听，当信道空闲时发送所述第一上行共享信号。
可选的，所述处理模块503，用于当所述第四控制信号与所述第一上行共享信号的时间间隔大于第二预设值时，在第四空间接收参数确定的波束方向进行信道侦听，当信道空闲时发送所述第一上行共享信号。
可选的，接收模块501和发送模块502可以为接口电路或者收发器。接收模块501和发送模块502可以为独立的模块，也可以集成为收发模块(图未示)，收发模块可以实现上述接收模块501和发送模块502的功能。
可选的，处理模块503可以是芯片，编码器，编码电路或其他可以实现本申请方法的集成电路。
由于具体的方法和实施例在前面已经介绍过，该终端设备500是用于执行对应于终端设备的信号传输方法，因此涉及信号传输方法的具体描述，包括接收模块501、发送模块502和处理模块503的功能可以参考对应实施例的相关部分，此处不再赘述。
可选的，终端设备500还可以包括存储模块(图中未示出)，该存储模块可以用于存储数据和/或信令，存储模块可以和处理模块503耦合，也可以和接收模块501或发送模块502耦合。例如，处理模块503可以用于读取存储模块中的数据和/或信令，使得前述方法实施例中的信号传输方法被执行。
如图6所示，图6示出了本申请实施例中的一种通信装置的硬件结构示意图。发送端设备和接收端设备的结构可以参考图6所示的结构。通信装置600包括：处理器111和通收发器112，所述处理器111和所述收发器112之间电偶合；
所述处理器111，用于执行所述存储器中的部分或者全部计算机程序指令，当所述部分或者全部计算机程序指令被执行时，使得所述装置执行上述任一实施例所述的方法。
所述收发器112，用于和其他设备进行通信；例如接收来自终端设备的第一上行控制信号，所述第一上行控制信号用于指示网络设备发送第一下行共享信号；根据所述第一上行控制信号发送所述第一下行共享信号。
可选的，还包括存储器113，用于存储计算机程序指令，可选的，所述存储器113(Memory#1)位于所述装置内，所述存储器113(Memory#2)与处理器111集成在一起，或者所述存储器113(Memory#3)位于所述装置之外。
应理解，图6所示的通信装置600可以是芯片或电路。例如可设置在终端装置或者通信装置内的芯片或电路。上述收发器112也可以是通信接口。收发器包括接收器和发送器。进一步地，该通信装置600还可以包括总线系统。
其中，处理器111、存储器113、收发器112通过总线系统相连，处理器111用于执行该存储器113存储的指令，以控制收发器接收信号和发送信号，完成本申请涉及的实现方法中第一设备或者第二设备的步骤。所述存储器113可以集成在所述处理器111中，也可以与所述处理器111分开设置。
作为一种实现方式，收发器112的功能可以考虑通过收发电路或者收发专用芯片实现。处理器111可以考虑通过专用处理芯片、处理电路、处理器或者通用芯片实现。处理器可以是中央处理器(central processing unit，CPU)，网络处理器(network processor，NP)或者CPU和NP的组合。处理器还可以进一步包括硬件芯片或其他通用处理器。上述硬件芯片可以是专用集成电路(application-specific integrated circuit，ASIC)，可编程逻辑器件(programmable logic device，PLD)或其组合。上述PLD可以是复杂可编程逻辑器件(complex programmable logic device，CPLD)，现场可编程逻辑门阵列(field-programmable gate array，FPGA)，通用阵列逻辑(generic array logic，GAL)及其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等或其任意组合。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
还应理解，本申请实施例中提及的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本申请描述的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
如图7所示，图7为本申请实施例提供的一种通信系统900，包括终端设备设备901和网络设备902，其中终端设备901可以包括如图5所述终端设备500，网络设备902可以包括如图4所述网络设备400，终端设备901和网络设备902对应的硬件结构可以如图6所述的通信装置600。该通信系统900可以用于执行上述的适用于上述终端设备和网络设备的通信方法和具体实施例，具体执行过程参见图2A～图2E或图3A～图3C的描述内容。
本申请实施例提供了一种计算机存储介质，存储有计算机程序，该计算机程序包括用于执行上述实施例中对应用于网络设备的方法。
本申请实施例提供了一种计算机存储介质，存储有计算机程序，该计算机程序包括用于执行上述实施例中对应用于网络设备的方法。
本申请实施例提供了一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述实施例中对应用于终端设备的方法。
本申请实施例提供了一种包含指令的计算机程序产品，当其在计算机上运行时，使得 计算机执行上述实施例中对应用于终端设备的方法。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和实现方式约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (41)

  1. 一种信号传输方法，其特征在于，应用于网络设备，所述方法包括：
    接收来自终端设备的第一控制信号，所述第一控制信号用于网络设备确定是否发送第一下行共享信号；
    根据所述第一控制信号发送所述第一下行共享信号。
  2. 根据权利要求1所述的方法，其特征在于，所述第一控制信号中包括用于指示所述终端设备的信道使用情况的指示信息，所述信道使用情况表示终端设备根据第一空间接收参数进行检测的结果。
  3. 根据权利要求2所述的方法，其特征在于，所述指示信息包括信道侦听结果，所述信道侦听结果包括信道空闲或不空闲，所述根据所述第一控制信号发送所述第一下行共享信号包括：
    当信道空闲时发送所述第一下行共享信号。
  4. 根据权利要求2所述的方法，其特征在于，所述指示信息包括信道干扰检测结果，所述根据所述第一控制信号发送所述第一下行共享信号包括：
    当所述信道干扰检测结果对应的干扰值小于预设门限值时，发送所述第一下行共享信号。
  5. 根据权利要求1-4任一项所述的方法，其特征在于，在所述接收来自终端设备的第一控制信号之前，所述方法还包括：
    发送第二控制信号，所述第二控制信号用于指示所述终端设备发送所述第一控制信号的资源。
  6. 根据权利要求5所述的方法，其特征在于，所述第二控制信号中还包括传输配置指示，所述传输配置指示用于所述终端设备确定第一空间接收参数，所述第一空间接收参数与发送所述第一下行共享信号的空间接收参数一致。
  7. 根据权利要求1-4任一项所述的方法，其特征在于，所述第一控制信号为按照第一周期发送的信号，所述第一周期为所述第一控制信号的发送间隔，在所述接收来自终端设备的第一控制信号之前，所述方法还包括：
    通过上层控制信令指示所述终端设备发送所述第一控制信号的资源。
  8. 根据权利要求7所述的方法，其特征在于，所述通过上层控制信令指示所述终端设备发送所述第一控制信号的资源还包括：
    发送第三控制信号，通过所述第三控制信号激活所述发送所述第一控制信号的资源。
  9. 根据权利要求7或8所述的方法，其特征在于，所述上层控制信令或所述第三控制信号中还包括传输配置指示，所述传输配置指示用于所述终端设备确定第一空间接收参数，所述第一空间接收参数与发送所述第一下行共享信号的空间接收参数一致。
  10. 根据权利要求9所述的方法，其特征在于，当所述第一控制信号为按照第一周期发送的信号时，每个周期的信号所对应的第一空间接收参数不同。
  11. 根据权利要求7-10任一项所述的方法，其特征在于，所述第一控制信号通过周期性的物理上行控制信道PUCCH，半静态调度物理上行共享信道PUSCH，免调度PUSCH，配置调度PUSCH，信道探测参考信号SRS，或物理随机接入信道PRACH发送。
  12. 根据权利要求5-11任一项所述的方法，其特征在于，当所述第二控制信号、或所述第一下行共享信号的信号长度大于第一预设长度时，在第二空间接收参数所确定的波束方向进行信道侦听，所述第二空间接收参数确定的波束宽度为全向波束宽度。
  13. 根据权利要求1-12任一项所述的方法，其特征在于，当所述第一控制信号与所述第一下行共享信号的时间间隔大于第一预设值时，根据第二空间接收参数确定的波束方向进行信道侦听。
  14. 一种信号传输方法，其特征在于，应用于网络设备，所述方法包括：
    向终端设备发送第四控制信号，所述第四控制信号用于指示所述终端设备发送第一上行共享信号；
    接收所述终端设备根据所述第四控制信号发送的所述第一上行共享信号。
  15. 根据权利要求14所述的方法，其特征在于，在所述发送第四控制信号之前，所述方法还包括：
    发送第五控制信号，所述第五控制信号用于指示所述终端设备检测所述第四控制信号的资源。
  16. 根据权利要求14或15所述的方法，其特征在于，在所述向终端设备发送第四控制信号之前，采用第三空间接收参数进行信道检测，所述第三空间接收参数为所述第一上行共享信号的空间接收参数。
  17. 根据权利要求15或16所述的方法，其特征在于，当所述第五控制信号的信号长度大于第二预设长度时，在第四空间接收参数确定的波束方向进行信道侦听，所述第四空间接收参数确定的波束覆盖范围大于所述第三空间接收参数确定的波束覆盖范围。
  18. 一种信号传输方法，其特征在于，应用于终端设备，所述方法包括：
    进行信道侦听，并在信道空闲时向网络设备发送第一控制信号，所述第一控制信号用于指示网络设备发送第一下行共享信号；
    接收来自网络设备的所述第一下行共享信号。
  19. 根据权利要求18所述的方法，其特征在于，所述进行信道侦听包括：
    在第一空间接收参数确定的波束方向进行信道侦听。
  20. 根据权利要求19所述的方法，其特征在于，所述第一控制信号中包括用于指示所述终端设备的信道使用情况的指示信息，所述信道使用情况表示所述终端设备根据所述第一空间接收参数进行检测的结果。
  21. 根据权利要求18-20任一项所述的方法，其特征在于，在所述进行信道侦听，并在信道空闲时向网络设备发送第一控制信号之前，所述方法还包括：
    接收第二控制信号，根据所述第二控制信号确定发送所述第一控制信号的资源。
  22. 根据权利要求21所述的方法，其特征在于，所述第二控制信号中还包括传输配置指示，所述传输配置指示用于确定第一空间接收参数，所述第一空间接收参数与接收所述第一下行共享信号的空间接收参数一致。
  23. 根据权利要求18-20任一项所述的方法，其特征在于，所述第一控制信号为按照 第一周期发送的信号，所述第一周期为所述第一控制信号的发送间隔，在所述进行信道侦听，并在信道空闲时向网络设备发送第一控制信号之前，所述方法还包括：
    通过上层控制信令的指示确定发送所述第一控制信号的资源。
  24. 根据权利要求23所述的方法，其特征在于，所述通过上层控制信令的指示确定发送所述第一控制信号的资源还包括：
    接收第三控制信号，通过所述第三控制信号激活发送所述第一控制信号的资源。
  25. 根据权利要求23或24所述的方法，其特征在于，所述上层控制信令或所述第三控制信号中还包括传输配置指示，所述传输配置指示用于确定第一空间接收参数，所述第一空间接收参数与接收所述第一下行共享信号的空间接收参数一致。
  26. 根据权利要求25所述的方法，其特征在于，当所述第一控制信号为按照第一周期发送的信号时，每个周期的信号所对应的第一空间接收参数不同。
  27. 根据权利要求20-26任一项所述的方法，其特征在于，所述第一控制信号的格式为format 0/1。
  28. 根据权利要求20-26任一项所述的方法，其特征在于，所述第一控制信号的格式为format 2/3，所述format2/3采用第一扰码加扰，所述第一扰码用于另一终端设备解调所述第一控制信号。
  29. 一种信号传输方法，其特征在于，应用于终端设备，所述方法包括：
    接收网络设备发送的第四控制信号，所述第四控制信号用于指示所述终端设备发送第一上行共享信号；
    根据所述第四控制信号向所述网络设备发送第一上行共享信号。
  30. 根据权利要求29所述的方法，其特征在于，在接收所述第四控制信号之前，所述方法还包括：
    接收第五控制信号，根据所述第五控制信号确定检测所述第四控制信号的资源。
  31. 根据权利要求29或30所述的方法，其特征在于，当所述第一上行共享信号的信号长度大于第二预设长度时，在第四空间接收参数确定的波束方向进行信道侦听，当信道空闲时发送所述第一上行共享信号。
  32. 根据权利要求29或30所述的方法，其特征在于，当所述第四控制信号与所述第一上行共享信号的时间间隔大于第二预设值时，在第四空间接收参数确定的波束方向进行信道侦听，当信道空闲时发送所述第一上行共享信号。
  33. 一种网络设备，其特征在于，所述网络设备包括：
    接收模块，用于接收来自终端设备的第一控制信号，所述第一控制信号用于网络设备确定是否发送第一下行共享信号；
    发送模块，用于根据所述第一控制信号发送所述第一下行共享信号。
  34. 一种网络设备，其特征在于，所述网络设备包括：
    发送模块，用于向终端设备发送第四控制信号，所述第四控制信号用于指示所述终端 设备发送第一上行共享信号；
    接收模块，用于接收根据所述第四控制信号发送的所述第一上行共享信号。
  35. 一种终端设备，其特征在于，所述设备包括：
    处理模块，用于进行信道侦听；
    发送模块，用于在信道空闲时向网络设备发送第一控制信号，所述第一控制信号用于指示网络设备发送第一下行共享信号；
    接收模块，用于接收来自网络设备的所述第一下行共享信号。
  36. 一种终端设备，其特征在于，所述设备包括：
    接收模块，用于接收网络设备发送的第四控制信号，所述第四控制信号用于指示所述终端设备发送第一上行共享信号；
    发送模块，用于根据所述第四控制信号向所述网络设备发送第一上行共享信号。
  37. 一种通信装置，其特征在于，所述装置包括至少一个处理器，所述至少一个处理器与至少一个存储器耦合：
    所述至少一个处理器，用于执行所述至少一个存储器中存储的计算机程序或指令，以使得所述装置执行如权利要求1-13或14-17中任一项所述的方法。
  38. 一种通信装置，其特征在于，所述装置包括至少一个处理器，所述至少一个处理器与至少一个存储器耦合：
    所述至少一个处理器，用于执行所述至少一个存储器中存储的计算机程序或指令，以使得所述装置执行如权利要求18-28或29-32中任一项所述的方法。
  39. 一种可读存储介质，其特征在于，用于存储指令，当所述指令被执行时，使如权利要求1-13或14-17中任一项所述的方法被实现，或者使如权利要18-28或29-32中任一项所述的方法被实现。
  40. 一种计算机程序产品，当计算机读取并执行所述计算机程序产品时，使得计算机执行如权利要求1-13或14-17中所述的方法，或者使计算机执行如权利要求18-28或29-32中所述的方法。
  41. 一种通信系统，包括如权利要求33中所述的网络设备和权利要求35中所述的终端设备，或者如权利要求34中所述的网络设备和权利要求36中所述的终端设备。
PCT/CN2020/076284 2020-02-21 2020-02-21 信号传输方法及装置 Ceased WO2021164035A1 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP20919973.6A EP4096286A4 (en) 2020-02-21 2020-02-21 SIGNAL TRANSMISSION METHOD AND DEVICE
CN202080096250.3A CN115066926B (zh) 2020-02-21 2020-02-21 信号传输方法及装置
PCT/CN2020/076284 WO2021164035A1 (zh) 2020-02-21 2020-02-21 信号传输方法及装置
CA3168746A CA3168746A1 (en) 2020-02-21 2020-02-21 Signal transmission method and apparatus
US17/821,040 US20220394684A1 (en) 2020-02-21 2022-08-19 Signal Transmission Method and Apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/076284 WO2021164035A1 (zh) 2020-02-21 2020-02-21 信号传输方法及装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/821,040 Continuation US20220394684A1 (en) 2020-02-21 2022-08-19 Signal Transmission Method and Apparatus

Publications (1)

Publication Number Publication Date
WO2021164035A1 true WO2021164035A1 (zh) 2021-08-26

Family

ID=77390386

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/076284 Ceased WO2021164035A1 (zh) 2020-02-21 2020-02-21 信号传输方法及装置

Country Status (5)

Country Link
US (1) US20220394684A1 (zh)
EP (1) EP4096286A4 (zh)
CN (1) CN115066926B (zh)
CA (1) CA3168746A1 (zh)
WO (1) WO2021164035A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023130480A1 (zh) * 2022-01-10 2023-07-13 Oppo广东移动通信有限公司 无线通信方法、装置、设备、存储介质及程序产品

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115669046A (zh) * 2020-05-22 2023-01-31 株式会社Ntt都科摩 发送设备、接收设备、干扰信息发送方法和信道接入方法
CN115835406B (zh) * 2020-06-12 2024-10-18 Oppo广东移动通信有限公司 无线通信的方法及设备
CN117322119A (zh) * 2021-05-21 2023-12-29 株式会社Ntt都科摩 终端以及通信方法
US20240334425A1 (en) * 2023-03-29 2024-10-03 Qualcomm Incorporated Techniques for random access channel resource selection for sub-band full duplex
WO2025129661A1 (zh) * 2023-12-22 2025-06-26 北京小米移动软件有限公司 通信方法及装置、存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104247498A (zh) * 2013-04-23 2014-12-24 华为技术有限公司 一种数据包传输的方法和设备
CN105101435A (zh) * 2015-07-29 2015-11-25 魅族科技（中国）有限公司 数据传输的方法和设备
WO2018045586A1 (zh) * 2016-09-12 2018-03-15 广东欧珀移动通信有限公司 导频信号的传输方法和设备
WO2019051804A1 (zh) * 2017-09-15 2019-03-21 Oppo广东移动通信有限公司 传输数据的方法、终端设备和网络设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102049772B1 (ko) * 2013-01-15 2019-11-28 삼성전자 주식회사 빔포밍 시스템에서 신호 측정 방법 및 장치
US11102815B2 (en) * 2017-10-02 2021-08-24 Qualcomm Incorporated Asynchronous spatial LBT
CN110034832B (zh) * 2018-01-12 2020-08-07 华为技术有限公司 监控信道质量的方法和终端设备
US10912128B2 (en) * 2018-01-23 2021-02-02 Samsung Electronics Co., Ltd. Listen-before-talk for wideband operations of NR unlicensed spectrum
WO2019160741A1 (en) * 2018-02-14 2019-08-22 Idac Holdings, Inc. Methods, apparatus, and system using multiple antenna techniques for new radio (nr) operations in unlicensed bands
US20190297603A1 (en) * 2018-03-23 2019-09-26 Samsung Electronics Co., Ltd. Method and apparatus for beam management for multi-stream transmission
CN110351851B (zh) * 2018-04-04 2023-08-25 华为技术有限公司 数据传输方法、终端设备和网络设备
CN110536432B (zh) * 2018-09-21 2025-07-22 中兴通讯股份有限公司 一种信息传输的方法、装置和设备
DE102019202725A1 (de) * 2019-02-28 2020-09-03 Diehl Metering Gmbh Signalisierung einer multicast-nachricht in nicht koordinierten netzen
US12452698B2 (en) * 2019-03-28 2025-10-21 Telefonaktiebolaget Lm Ericsson (Publ) Collection and reporting of channel occupancy statistics for network tuning
US11272375B2 (en) * 2019-04-15 2022-03-08 Government Of The United States Of America, As Represented By The Secretary Of Commerce Dynamic physical resource block control apparatus and process for dynamically controlling allocation of a physical resource block
CN115211218A (zh) * 2020-02-12 2022-10-18 Idac控股公司 未许可频谱中的信道接入

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104247498A (zh) * 2013-04-23 2014-12-24 华为技术有限公司 一种数据包传输的方法和设备
CN109219005A (zh) * 2013-04-23 2019-01-15 华为技术有限公司 一种数据包传输的方法和设备
CN105101435A (zh) * 2015-07-29 2015-11-25 魅族科技（中国）有限公司 数据传输的方法和设备
WO2018045586A1 (zh) * 2016-09-12 2018-03-15 广东欧珀移动通信有限公司 导频信号的传输方法和设备
WO2019051804A1 (zh) * 2017-09-15 2019-03-21 Oppo广东移动通信有限公司 传输数据的方法、终端设备和网络设备

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HUAWEI ET AL: "HARQ enhancements in NR unlicensed", 3GPP DRAFT; R1-1812196, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 16 November 2018 (2018-11-16), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, pages 1 - 13, XP051478352 *
See also references of EP4096286A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023130480A1 (zh) * 2022-01-10 2023-07-13 Oppo广东移动通信有限公司 无线通信方法、装置、设备、存储介质及程序产品

Also Published As

Publication number Publication date
EP4096286A4 (en) 2023-01-11
US20220394684A1 (en) 2022-12-08
CN115066926B (zh) 2025-04-22
CA3168746A1 (en) 2021-08-26
EP4096286A1 (en) 2022-11-30
CN115066926A (zh) 2022-09-16

Similar Documents

Publication Publication Date Title
CN115066926B (zh) 信号传输方法及装置
CN113783663B (zh) 传输信息的方法、终端设备和网络设备
EP4027738B1 (en) Communication method and apparatus
US20220078823A1 (en) Communication method and communication apparatus
WO2023274012A1 (zh) 侧行链路反馈信息传输的方法和通信装置
CN113424621B (zh) 上报csi的方法和终端设备
EP3694249B1 (en) Method for transmitting data, terminal device and network device
US12089260B2 (en) Random access method, terminal device and network device
CN109413744B (zh) 通信方法与设备
WO2020042123A1 (zh) 发送上行信号的方法和设备
CN116017751B (zh) 随机接入方法和通信装置
CN104380645A (zh) 灵活的harq ack/nack传输
WO2020211096A1 (zh) 无线通信方法、终端设备和网络设备
WO2019213971A1 (zh) 上行信号的发送方法和终端设备
WO2020029199A1 (zh) 传输信息的方法、终端设备和网络设备
WO2021087955A1 (zh) 功率分配方法以及装置
WO2022077396A1 (zh) 一种上行控制信息的发送方法、接收方法及通信装置
CN110891311A (zh) 反馈信息传输的方法和通信装置
WO2022247918A1 (zh) 发送、接收数据的方法、资源指示方法、装置及系统
WO2018171725A1 (zh) 上行通信的方法、终端设备和网络设备
WO2019192500A1 (zh) 通信方法和通信装置
US20230198595A1 (en) Csi reporting method, csi receiving method, and corresponding apparatus
CN114745793B (zh) 传输数据的方法、网络设备和终端设备
WO2020051767A1 (zh) 传输信息、接收信息的方法和通信设备
CN112438029B (zh) 反馈信息的方法、终端、芯片和存储介质

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20919973

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 3168746

Country of ref document: CA

ENP Entry into the national phase

Ref document number: 2020919973

Country of ref document: EP

Effective date: 20220826

NENP Non-entry into the national phase

Ref country code: DE

WWG Wipo information: grant in national office

Ref document number: 202080096250.3

Country of ref document: CN