WO2021237476A1 - 信号解调的方法、设备、系统和存储介质 - Google Patents

信号解调的方法、设备、系统和存储介质 Download PDF

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Publication number
WO2021237476A1
WO2021237476A1 PCT/CN2020/092409 CN2020092409W WO2021237476A1 WO 2021237476 A1 WO2021237476 A1 WO 2021237476A1 CN 2020092409 W CN2020092409 W CN 2020092409W WO 2021237476 A1 WO2021237476 A1 WO 2021237476A1
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Prior art keywords
quasi
location information
shared channel
downlink shared
terminal device
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PCT/CN2020/092409
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English (en)
French (fr)
Inventor
杜冬阳
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Shenzhen Transsion Holdings Co Ltd
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Shenzhen Transsion Holdings Co Ltd
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Priority to PCT/CN2020/092409 priority Critical patent/WO2021237476A1/zh
Priority to CN202080101254.6A priority patent/CN115669159B/zh
Publication of WO2021237476A1 publication Critical patent/WO2021237476A1/zh
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path

Definitions

  • This application relates to the field of communication technology, and in particular to a method, device, system, and storage medium for signal demodulation.
  • a network device sends a synchronization signal (Synchronization Signal, SS) and a physical broadcast channel (Physical Broadcast Channel, PBCH) to the user equipment, and sends control information on the physical broadcast channel, and the terminal device can demodulate the synchronization signal and the control information.
  • SS Synchronization Signal
  • PBCH Physical Broadcast Channel
  • the inventor found at least the following problem: the state of the terminal device (such as the mobile situation) is not considered, resulting in the inability to accurately receive and demodulate the physical downlink shared channel.
  • This application provides a method, equipment, system and storage medium for signal demodulation to solve the problem that the physical downlink shared channel cannot be accurately received and demodulated.
  • an embodiment of the present application provides a method for signal demodulation, and the method includes the following steps:
  • the state is at least one of the following of the terminal device: movement state, movement speed, and movement direction.
  • it further includes at least one of the following:
  • the quasi co-location information is used to indicate quasi co-location between the physical downlink shared channel and a preset reference signal
  • the quasi co-location information is not used to indicate quasi co-location between the physical downlink shared channel and a preset reference signal
  • the quasi co-location information is used to indicate quasi co-location between the physical downlink shared channel and a preset reference signal
  • the quasi co-location information is not used to indicate the quasi co-location between the physical downlink shared channel and a preset reference signal.
  • the reference signal includes at least one of the following:
  • the method when the moving speed is greater than the first preset value, the method further includes:
  • the quasi co-location information is the quasi co-location information corresponding to the control resource with the smallest index in the control resource set carried on the time slot group.
  • it further includes at least one of the following:
  • the time slot group includes at least one time slot, and the at least one time slot is closest in time to the current downlink shared channel;
  • the moving speed is greater than the first preset value and less than a second preset value, wherein the first preset value is less than the second preset value.
  • it further includes at least one of the following:
  • the time slot group includes at least two consecutive time slots, the time slot group is closest in time to the current downlink shared channel, and the quasi co-location information is that the time slot control resources of the time slot group are concentrated and have the smallest The normalized value of the quasi co-location information corresponding to the indexed control resource;
  • the moving speed is greater than the first preset value and greater than or equal to a second preset value, wherein the first preset value is less than the second preset value.
  • the S12 step further includes:
  • the method before the step S11, the method further includes:
  • the status is acquired.
  • the method before the step S11, the method further includes:
  • the state of the transmission configuration indication information is the enabled state, the state is acquired.
  • an embodiment of the present application also provides a terminal device, and the terminal device includes:
  • the determining module is configured to determine the quasi co-location information of the physical downlink shared channel according to the state of the terminal device;
  • the processing module is configured to receive and demodulate the physical downlink shared channel according to the quasi co-location information.
  • the state is at least one of the following of the terminal device: movement state, movement speed, and movement direction.
  • it further includes at least one of the following:
  • the quasi co-location information is used to indicate quasi co-location between the physical downlink shared channel and a preset reference signal
  • the quasi co-location information is not used to indicate quasi co-location between the physical downlink shared channel and a preset reference signal
  • the quasi co-location information is used to indicate quasi co-location between the physical downlink shared channel and a preset reference signal
  • the quasi co-location information is not used to indicate the quasi co-location between the physical downlink shared channel and a preset reference signal.
  • the reference signal includes at least one of the following:
  • the method when the moving speed is greater than the first preset value, the method further includes:
  • the quasi co-location information is the quasi co-location information corresponding to the control resource with the smallest index in the control resource set carried on the time slot group.
  • it further includes at least one of the following:
  • the time slot group includes at least one time slot, and the at least one time slot is closest in time to the current downlink shared channel;
  • the moving speed is greater than the first preset value and less than a second preset value, wherein the first preset value is less than the second preset value.
  • it further includes at least one of the following:
  • the time slot group includes at least two consecutive time slots, the time slot group is closest in time to the current downlink shared channel, and the quasi co-location information is that the time slot control resources of the time slot group are concentrated and have the smallest The normalized value of the quasi co-location information corresponding to the indexed control resource;
  • the moving speed is greater than the first preset value and greater than or equal to a second preset value, wherein the first preset value is less than the second preset value.
  • the processing module is specifically configured to determine the receiving direction of the signal according to the quasi co-location information, and in the receiving direction, receive and demodulate the physical downlink shared channel.
  • an embodiment of the present application also provides a user equipment, including:
  • the memory is used to store executable instructions of the processor, wherein, when the processor executes the instructions in the memory, the method according to any one of the above embodiments is implemented.
  • the terminal device further includes:
  • the receiving module is used to receive the downlink control information sent by the network device;
  • the determining module is further configured to determine the offset time for receiving and demodulating the physical downlink shared channel according to the downlink control information;
  • the obtaining module is configured to obtain the status if the offset time is less than a preset time threshold.
  • the determining module is further configured to determine the state of transmission configuration indication information according to the downlink control information
  • the obtaining module is specifically configured to obtain the state if the state of the transmission configuration indication information is the enabled state.
  • an embodiment of the present application also provides a method for signal demodulation, the method is applied to a network device, and the method includes the following steps:
  • S42 Send downlink control information, where the downlink control information is used to instruct the terminal device to receive and demodulate the physical downlink shared channel.
  • an embodiment of the present application also provides an electronic device, including: a memory and a processor;
  • the memory is used to store the processor executable instructions
  • an embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium stores a computer-executable instruction, and when the computer-executable instruction is executed by a processor, it is used to implement any of the above implementations.
  • the method described in the example is not limited to:
  • an embodiment of the present application also provides a network device, and the network device includes:
  • Generating module used to generate downlink control information
  • the sending module is used to send downlink control information, where the downlink control information is used to instruct the terminal device to receive and demodulate the physical downlink shared channel.
  • an embodiment of the present application also provides a signal demodulation system, the system including:
  • This application provides a method, equipment, system and storage medium for signal demodulation, including: determining the quasi co-location information of the physical downlink shared channel according to the state of the terminal device, and receiving and demodulating the physical downlink shared channel based on the quasi co-location information
  • the channel is determined based on the state-aligned co-location information, which can flexibly and accurately determine the quasi co-location information corresponding to the physical downlink shared channel. Therefore, when the physical downlink shared channel is received and demodulated through the quasi co-location information, it can improve The technical effect of the reliability and accuracy of demodulation.
  • FIG. 1 is a schematic diagram of a scene of a signal demodulation method according to an embodiment of the application
  • FIG. 2 is a schematic flowchart of a signal demodulation method according to an embodiment of the application
  • FIG. 3 is a schematic flowchart of a signal demodulation method according to another embodiment of the application.
  • FIG. 4 is a schematic flowchart of a signal demodulation method according to another embodiment of this application.
  • FIG. 5 is a schematic diagram of time offset according to an embodiment of the application.
  • Fig. 6 is a schematic diagram of a signal demodulation device according to an embodiment of the application.
  • FIG. 7 is a schematic diagram of a signal demodulation device according to another embodiment of the application.
  • FIG. 8 is a schematic structural diagram of an electronic device according to an embodiment of the application.
  • FIG. 9 is a schematic flowchart of a signal demodulation method according to another embodiment of this application.
  • FIG. 10 is a schematic diagram of a network device according to an embodiment of the application.
  • the signal demodulation method of the embodiment of the present application can be applied to the application scenario shown in FIG. 1.
  • Figure 1 can be understood as a system for signal demodulation, which includes network equipment and terminal equipment.
  • the terminal device is a mobile phone 100 and the network device is a base station 200.
  • a communication link can be established between the mobile phone 100 and the base station 200, and the mobile phone 100 can perform data transmission with the base station 200 based on the communication link.
  • the terminal device may also include a desktop computer, a notebook computer, an iPad, and a smart bracelet.
  • the network equipment may also include routers and bridges.
  • the application scenario described in Figure 1 can be applied to different network standards, for example, it can be applied to Global System of Mobile Communications (GSM) and Code Division Multiple Access (CDMA) , Wideband Code Division Multiple Access (WCDMA), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA), Long Term Evolution (LTE) systems And network standards such as 5G.
  • GSM Global System of Mobile Communications
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access
  • LTE Long Term Evolution
  • 5G Fifth Generation
  • the foregoing communication system may be a system in a 5G communication system in a scenario of ultra-reliable and low latency communications (Ultra-Reliable and Low Latency Communications, URLLC) transmission.
  • URLLC Ultra-reliable and Low Latency Communications
  • the aforementioned base station can be a base station (Base Transceiver Station, referred to as BTS) and/or a base station controller in GSM or CDMA, or a base station (NodeB, referred to as NB) in WCDMA and/or wireless network control Radio Network Controller (RNC), or Evolutional Node B (eNB or eNodeB) in LTE, or relay station or access point, or base station (gNB) in 5G network, etc., this application It is not limited here.
  • BTS Base Transceiver Station
  • NodeB referred to as NB
  • RNC Radio Network Controller
  • eNB or eNodeB Evolutional Node B
  • gNB base station
  • the aforementioned terminal device may be a wireless terminal or a wired terminal.
  • a wireless terminal may be a device that provides voice and/or other service data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
  • a wireless terminal can communicate with one or more core network devices via a radio access network (Radio Access Network, RAN).
  • the wireless terminal can be a mobile terminal, such as a mobile phone (or “cellular” phone) and a mobile terminal.
  • the computer for example, may be a portable, pocket-sized, handheld, built-in computer or vehicle-mounted mobile device, which exchanges language and/or data with the wireless access network.
  • a wireless terminal can also be a personal communication service (PCS) phone, a cordless phone, a Session Initiation Protocol (SIP) phone, and a wireless local loop (Wireless Local Loop, WLL) station.
  • PCS personal communication service
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • Wireless terminal can also be called system, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), mobile station (Mobile Station), mobile station (Mobile), remote station (Remote Station), remote terminal (Remote Terminal), connection
  • the access terminal Access Terminal
  • user terminal User Terminal
  • user agent User Agent
  • user equipment User Equipment
  • the aforementioned user equipment may also be a smart watch, a tablet computer, or other equipment.
  • the network device sends the synchronization signal and the physical broadcast channel to the terminal device, and the control information sent on the physical broadcast channel, the terminal device can receive and demodulate the signal carried by the physical downlink shared channel according to the synchronization signal and the control information.
  • the above solution does not consider the state of the terminal equipment (such as the mobile situation), which results in the inability to accurately receive the signal carried by the physical downlink shared channel, and thus cannot realize the demodulation of the signal carried by the physical downlink shared channel.
  • the base station sends a synchronization signal and physical broadcast channel to the mobile phone based on the current direction of the mobile phone.
  • the direction has changed. If the mobile phone receives and demodulates the signal sent by the base station in the changed direction, the received signal may be inaccurate.
  • the inventor of the present application obtained the inventive concept of the embodiment of the present application after creative work: based on the state of the terminal device, the signal carried by the physical downlink shared channel is received and demodulated.
  • the embodiments of the present application provide a method for signal demodulation, which is applied to a terminal device.
  • FIG. 2 is a schematic flowchart of a signal demodulation method according to an embodiment of the application.
  • the method includes:
  • S21 Determine the quasi co-location information of the physical downlink shared channel according to the state of the terminal device.
  • the execution subject of the embodiment of the present application may be a terminal device used for data transmission with a network device, such as a user terminal, and the user terminal includes a mobile phone, an iPad, a smart bracelet, a desktop computer, a notebook computer, and a vehicle terminal.
  • the terminal device is a mobile phone.
  • the state is used to characterize the related information of the movement and/or stationary of the terminal device, that is, if the state is the related information used to characterize the movement of the terminal device, the state can be referred to as the motion state, and if the state is used When characterizing the static related information of the terminal device, the state can be referred to as the static state.
  • the motion state may be used to characterize related information that changes at least one of the displacement, speed, and angle of the terminal device, such as the moving speed and direction of the terminal device.
  • Quasi Co-Location QCL Quasi Co-Location
  • the physical downlink shared channel can be received and demodulated based on the determined direction.
  • the relative position information between the terminal device and the network device may be different.
  • the angle and distance of the terminal device relative to the network device may change.
  • the angle mentioned here can be used to characterize the angle between the antenna of the terminal device and the beam sent by the antenna of the network device.
  • the determination is made according to the state alignment co-location information, and the difference in relative position information between the terminal device and the network device caused by the different states of the terminal device is fully considered, and therefore, the determination can be flexibly determined.
  • the technical effects of quasi co-location information are fully considered, and therefore, the determination can be flexibly determined.
  • S12 According to the quasi co-location information, receive and demodulate the physical downlink shared channel.
  • the accuracy of the quasi co-location information can be improved by using the state-aligned co-location information to determine. Therefore, when the physical downlink shared channel is received and demodulated based on the quasi co-location information, the solution can be achieved. Reliability and accuracy of tuning.
  • an embodiment of the present application provides a method for signal demodulation.
  • the method includes: determining the quasi co-location information of the physical downlink shared channel according to the state of the terminal device, and receiving and demodulating the quasi co-location information based on the quasi co-location information.
  • the physical downlink shared channel can be determined based on the state-aligned co-location information, which can flexibly and accurately determine the quasi co-location information corresponding to the physical downlink shared channel, so when the physical downlink shared channel is received and demodulated through the quasi co-location information It can improve the reliability and accuracy of demodulation.
  • the quasi co-location information is used to indicate the quasi co-location between the physical downlink shared channel and a preset reference signal (Reference Signal, RS).
  • Reference Signal Reference Signal
  • the reference signal can be a reference signal configured and broadcast by the network device when the terminal device is connected to the network device; the reference signal can also be a periodic or aperiodic configuration and broadcast by the network device after the terminal device is connected to the network device Reference signal.
  • the reference signal includes a synchronization signal block SSB (Synchronization Signal Block) and a channel state information reference signal CSI-RS (Channel State Information Reference Signal).
  • SSB Synchronization Signal Block
  • CSI-RS Channel State Information Reference Signal
  • the reference signal is a reference signal with the largest received reference signal strength and/or the largest signal-to-interference-noise ratio detected by the terminal device.
  • the terminal device can detect the signal strength when receiving the reference signal, and select the reference signal with the largest signal strength; the terminal device can also detect the signal-to-interference and noise ratio when receiving the reference signal, and select the signal with the largest signal-to-interference and noise ratio Reference signal.
  • the terminal device can select the maximum received reference signal strength and/or the signal-to-interference noise ratio, and determine the physical downlink shared channel and the reference signal with the maximum signal-to-noise ratio quasi co-location, so as to realize the determination of the determined quasi co-location information Accuracy and reliability.
  • the quasi co-location information is quasi co-location information in the control resource set carried on the time slot group.
  • the quasi co-location information is the quasi-co-location information corresponding to the control resource with the smallest index in a collection of control resources carried on the time slot group.
  • the time slot group includes at least one time slot, and at least one time slot is closest in time to the current downlink shared channel.
  • the time slot group includes at least two consecutive time slots, the time slot group is closest in time to the current downlink shared channel, and the quasi co-location information is that the time slot group’s control resources are concentrated and have the smallest index.
  • the normalized value may be at least one of an average value, a maximum value, and a minimum value.
  • the normalized value is an average value
  • select the quasi co-location information corresponding to the control resource with the smallest index from each time slot and average the selected quasi co-location information to obtain the average value. And determine the average value as quasi co-location information.
  • the normalized value is the maximum value
  • select the control resource with the smallest index corresponding to the quasi-co-location information from each time slot and select the value of the quasi-co-location information from the selected quasi-co-location information
  • the largest quasi co-location information is determined as quasi co-location information.
  • the normalized value is the minimum value
  • select the control resource with the smallest index corresponding to the quasi-co-location information from each time slot and select the value of the quasi-co-location information from the selected quasi-co-location information
  • the smallest quasi co-location information is determined as quasi co-location information.
  • the normalized value is the average value and the maximum value
  • select the quasi-co-location information corresponding to the control resource with the smallest index from each time slot and average the selected quasi-co-location information.
  • obtain the average value, and from each time slot select the quasi-co-location information corresponding to the control resource with the smallest index, and select the maximum quasi-co-location information from the selected quasi-co-location information, and determine the average value Is quasi co-location information, or the maximum quasi co-location information is determined as quasi co-location information.
  • the normalized value is the average value and the minimum value
  • select the quasi co-location information corresponding to the control resource with the smallest index from each time slot, and average the selected quasi co-location information Obtain the average value, and from each time slot, select the quasi-co-location information corresponding to the control resource with the smallest index, and select the smallest quasi-co-location information from the selected quasi-co-location information, and determine the average value Is quasi co-location information, or the minimum quasi co-location information is determined as quasi co-location information.
  • the normalized value is the maximum value and the minimum value
  • the quasi-co-location information of the value is determined as quasi-co-location information, or the quasi-co-location information of the minimum value is determined as quasi-co-location information.
  • the normalized values are the average value, maximum value, and minimum value
  • select the quasi-co-location information corresponding to the control resource with the smallest index from each time slot and perform the calculation on the selected quasi-co-location information Take the average to get the average value, and from each time slot, select the quasi co-location information corresponding to the control resource with the smallest index, and select the maximum quasi-co-location information from the selected quasi-co-location information, and from In each time slot, select the quasi-co-location information corresponding to the control resource with the smallest index, and select the smallest quasi-co-location information from the selected quasi-co-location information, and determine the average value as the quasi-co-location information
  • the quasi co-location information with the maximum value is determined as the quasi co-location information
  • the quasi co-location information with the minimum value is determined as the quasi co-location information.
  • the quasi co-location information is used to indicate the quasi co-location between the physical downlink shared channel and the preset reference signal.
  • the quasi co-location information is not used to indicate the quasi co-location between the physical downlink shared channel and the preset reference signal.
  • the relationship between the quasi co-location information and the reference signal can be determined based on whether the terminal device is in a static state, and specifically can be that when the terminal device is in a static state, the quasi co-location information is used To indicate the quasi co-location between the physical downlink shared channel and the preset reference signal, and when the terminal device is in a moving state (ie, non-stationary state), the quasi co-location information is not used to indicate the physical downlink shared channel and the preset reference signal Quasi co-location between.
  • the quasi co-location information is used to indicate the quasi co-location between the physical downlink shared channel and the preset reference signal.
  • the quasi co-location information when the moving speed is greater than the first preset value, the quasi co-location information is not used to indicate the quasi co-location between the physical downlink shared channel and the preset reference signal.
  • the first preset value can be set based on requirements, experience, and experimentation.
  • the relationship between the quasi co-location information and the reference signal can be determined based on the moving speed of the terminal device, and specifically it can be the quasi-co-location information when the moving speed of the terminal device is low. It is used to indicate the quasi co-location between the physical downlink shared channel and the preset reference signal. When the terminal device is moving at a high speed, the quasi co-location information is not used to indicate the quasi co-location between the physical downlink shared channel and the preset reference signal. Co-location.
  • FIG. 3 is a schematic flowchart of a signal demodulation method according to another embodiment of the application.
  • the method includes:
  • S21 Acquire the state of the terminal device, where the state includes the moving speed.
  • this step may specifically include: acquiring a detection value of a sensor in the terminal device, where the detection value is used to indicate the moving speed.
  • the sensors may include sensors for detecting speed, such as displacement sensors, radars, global positioning systems (Global Positioning System, GPS), and location-based services (LBS).
  • the first preset value can be set based on requirements, experience, experiments, and so on.
  • the first preset value may be set to a relatively small value, which is used to characterize that the moving distance of the terminal device is relatively small, or it is used to characterize that the terminal device has almost no movement (including that the terminal device is in a stationary state). That is to say, in a case where the terminal device hardly moves, or in a case where the distance of the terminal device is relatively small, S23 may be performed.
  • the quasi co-location information is used to indicate the quasi co-location between the physical downlink shared channel and the reference signal, and S25 is performed.
  • the quasi co-location information is the quasi co-location information in the Control Resource Set (CORESET) carried on the time slot group, and S25 is executed.
  • CORESET Control Resource Set
  • the quasi co-location information when the moving speed is relatively low, or the terminal device is almost not moving, the quasi co-location information is used to indicate the quasi co-location between the physical downlink shared channel and the reference signal, and When the moving speed is relatively large, the quasi-co-location information is the quasi-co-location information in the control resource set carried on the time slot group.
  • the quasi co-location information is the quasi co-location information corresponding to the control resource with the smallest index in the control resource set carried on the time slot group.
  • the moving speed and determining the quasi co-location information can be further subdivided.
  • the magnitude of the moving speed and the second preset value is further determined. If the moving speed is less than the second preset value, the quasi co-location information is the latest time received by the terminal device.
  • the moving speed is greater than the first preset value and less than the second preset value, it indicates that the moving speed of the terminal device is relatively slow.
  • the time slot group recently received by the terminal device can be determined, and the quasi co-location information can be determined as the quasi-shared group of the control resources carried on the recently received time slot group. Address information.
  • the time slot group includes at least one time slot, at least one time slot is closest in time to the current downlink shared channel.
  • the moving speed is greater than the first preset value and greater than or equal to the second preset value, it indicates that the moving speed of the terminal device is relatively fast.
  • the time slot group received by the terminal device within the preset time period can be determined, and the quasi co-location information can be determined as the time slot group received within the preset time period. Control the quasi co-location information in the resource concentration.
  • the time slot group includes at least two consecutive time slots
  • the time slot group is closest in time to the current downlink shared channel
  • the quasi co-location information is that the time slot control resources of the time slot group are concentrated and have the smallest index.
  • S25 According to the quasi co-location information, receive and demodulate the physical downlink shared channel.
  • S25 may specifically include:
  • S251 Determine the receiving direction of the signal according to the quasi co-location information.
  • S252 In the receiving direction, receive and demodulate the physical downlink shared channel.
  • FIG. 4 is a schematic flowchart of a signal demodulation method according to another embodiment of this application.
  • the method includes:
  • S31 Receive downlink control information (Downlink Control Information, DCI) sent by a network device.
  • DCI Downlink Control Information
  • the mobile phone receives the line control information sent by the base station.
  • S32 Determine the offset time for receiving and demodulating the physical downlink shared channel according to the downlink control information.
  • the downlink control information carries an offset time
  • the offset time is used to characterize the time difference between the current moment and the time when the physical downlink shared channel is received.
  • S33 Determine the size between the offset time and the preset time threshold, if the offset time is less than the time threshold, execute S34, and if the offset time is greater than or equal to the time threshold, return to S31.
  • the time threshold may be sent to the terminal device by the network settings when the terminal device accesses the network device; the time threshold may also be carried in the downlink control information.
  • the time threshold value is now carried in the downlink control information for an exemplary description.
  • the offset time and the time threshold value carried in the downlink control information may be the same or different. Especially in the case of multi-point (Tx/Rx point, TRP) transmission, it is more likely that the offset time and the time threshold are not the same.
  • the terminal device when the terminal device receives the downlink control information, it can determine the signal offset time of the terminal device receiving the physical downlink shared channel based on the downlink control information, and can also determine the time threshold for receiving the signal of the physical downlink shared channel. .
  • the time threshold may be greater than the offset time.
  • the offset time is 0.2 seconds and the time threshold is 0.5 seconds
  • the quasi co-location information in the downlink control information is 0.5 seconds after receiving and demodulating the physical downlink shared channel
  • the terminal device cannot respond to the physical downlink shared channel at 0.2 seconds.
  • the downlink shared channel is received and demodulated. Therefore, the solution of the embodiment of the present application can be adopted to solve this problem.
  • S34 Determine whether the Transmission Configuration Indicator (TCI) information in the downlink control information is in the enabled state, if yes, execute S35 to S37, and if not, return to S31.
  • TCI Transmission Configuration Indicator
  • the enable state is also called the excitation state, which can be understood as a state of "allowing feed signal", that is, the state of the network device allowing the signal to be sent to the terminal device.
  • S36 Determine the quasi co-location information of the physical downlink shared channel according to the state.
  • S37 According to the quasi co-location information, receive and demodulate the physical downlink shared channel.
  • the embodiments of the present application also provide a terminal device corresponding to the foregoing method.
  • FIG. 6 is a schematic diagram of a terminal device according to an embodiment of the application.
  • the terminal device includes:
  • the determining module 11 is configured to determine the quasi co-location information of the physical downlink shared channel according to the state of the terminal device;
  • the processing module 12 is configured to receive and demodulate the physical downlink shared channel according to the quasi co-location information.
  • the state is at least one of the following of the terminal device: a motion state, a moving speed, and a moving direction.
  • it further includes at least one of the following:
  • the quasi co-location information is used to indicate quasi co-location between the physical downlink shared channel and a preset reference signal
  • the quasi co-location information is not used to indicate quasi co-location between the physical downlink shared channel and a preset reference signal
  • the quasi co-location information is used to indicate quasi co-location between the physical downlink shared channel and a preset reference signal
  • the quasi co-location information is not used to indicate the quasi co-location between the physical downlink shared channel and a preset reference signal.
  • the reference signal includes at least one of the following:
  • the method when the moving speed is greater than the first preset value, the method further includes:
  • the quasi co-location information is the quasi co-location information corresponding to the control resource with the smallest index in the control resource set carried on the time slot group.
  • it further includes at least one of the following:
  • the time slot group includes at least one time slot, and the at least one time slot is closest in time to the current downlink shared channel;
  • the moving speed is greater than the first preset value and less than a second preset value, wherein the first preset value is less than the second preset value.
  • it further includes at least one of the following:
  • the time slot group includes at least two consecutive time slots, the time slot group is closest in time to the current downlink shared channel, and the quasi co-location information is that the time slot control resources of the time slot group are concentrated and have the smallest The normalized value of the quasi co-location information corresponding to the indexed control resource;
  • the moving speed is greater than the first preset value and greater than or equal to a second preset value, wherein the first preset value is less than the second preset value.
  • the processing module 12 is specifically configured to determine the receiving direction of the signal according to the quasi co-location information, and in the receiving direction, receive and demodulate the physical downlink shared channel.
  • the terminal device further includes:
  • the receiving module 14 is used to receive downlink control information sent by a network device
  • the determining module 11 is further configured to determine the offset time for receiving and demodulating the physical downlink shared channel according to the downlink control information;
  • the obtaining module 13 is configured to obtain the status if the offset time is less than a preset time threshold.
  • the determining module 12 is further configured to determine the status of the transmission configuration indication information according to the downlink control information;
  • the obtaining module 13 is specifically configured to obtain the state if the state of the transmission configuration indication information is the enabled state.
  • the embodiments of the present application also provide an electronic device, including: a memory and a processor;
  • the memory is used to store processor executable instructions
  • the processor when the instructions in the memory are executed, the processor is configured to implement the method described in any of the above embodiments.
  • FIG. 8 is a schematic structural diagram of an electronic device according to an embodiment of the application.
  • the electronic device includes a memory and a processor.
  • the electronic device may also include a communication interface and a bus.
  • the processor, the communication interface and the memory are connected by the bus; the processor is used to execute the executable module stored in the memory. , Such as computer programs.
  • the memory may include a high-speed random access memory (RAM, Random Access Memory), and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory.
  • RAM Random Access Memory
  • non-volatile memory such as at least one disk memory.
  • the communication connection between the network element of the system and at least one other network element can be realized through at least one communication interface (wired or wireless), and the Internet, a wide area network, a local network, a metropolitan area network, etc. can be used.
  • the bus can be an ISA bus, a PCI bus, or an EISA bus.
  • the bus can be divided into address bus, data bus, control bus and so on.
  • the memory is used to store a program, and the processor executes the program after receiving an execution instruction.
  • the method disclosed in any one of the foregoing embodiments of the present application may be applied to the processor or implemented by the processor.
  • the processor may be an integrated circuit chip with signal processing capabilities.
  • each step of the above method can be completed by an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the foregoing processor may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU for short), a network processor (Network Processor, NP), etc.; it may also be a digital signal processor (Digital Signal Processor, DSP for short) , Application Specific Integrated Circuit (ASIC for short), Field-Programmable Gate Array (FPGA for short) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • CPU Central Processing Unit
  • NP Network Processor
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the embodiments of the present application also provide a user equipment, including:
  • the memory is used to store executable instructions of the processor, wherein when the processor executes the instructions in the memory, the method as described in any of the above embodiments is implemented.
  • the user equipment is used to execute the methods shown in FIG. 2, FIG. 3, and FIG. 4.
  • the embodiments of the present application also provide a computer-readable storage medium.
  • the computer-readable storage medium stores computer-executable instructions.
  • the computer-executable instructions are used to implement The method described in any of the above embodiments.
  • the embodiments of the present application also provide a method for signal demodulation, and the method is applied to a network device.
  • the method includes the following steps:
  • S42 Send downlink control information, where the downlink control information is used to instruct the terminal equipment to receive and demodulate the physical downlink shared channel.
  • the network device sends the generated downlink control information to the terminal device, the downlink control information is used to instruct the terminal device to receive and demodulate the physical downlink shared channel, and the terminal device according to the downlink control information
  • the downlink control information is used to instruct the terminal device to receive and demodulate the physical downlink shared channel, and the terminal device according to the downlink control information
  • the embodiments of the present application also provide a network device.
  • the network equipment includes:
  • the generating module 21 is used to generate downlink control information
  • the sending module 22 is configured to send downlink control information, where the downlink control information is used to instruct the terminal device to receive and demodulate the physical downlink shared channel.
  • the embodiments of the present application also provide a signal demodulation system, the system including:
  • the disclosed device and method can be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or integrated. To another system, or some features can be ignored, or not implemented.
  • the units described as separate components may or may not be physically separate, 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 of the present application.
  • 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 above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.
  • the integrated unit 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 this application is essentially or the part that contributes to the existing technology, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium It includes several instructions to 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 in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disks or optical disks and other media that can store program codes. .
  • the size of the sequence number of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its function and internal logic, and should not correspond to the difference in the embodiments of the present application.
  • the implementation process constitutes any limitation.

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Abstract

本申请提供一种信号解调的方法、设备、系统和存储介质，包括：根据终端设备的状态，确定物理下行共享信道的准共址信息，根据准共址信息，接收并解调物理下行共享信道，通过基于状态对准共址信息进行确定，可以灵活准确地确定出物理下行共享信道对应的准共址信息，所以当通过准共址信息对物理下行共享信道进行接收并解调时，可以提高解调的可靠性和准确性的技术效果。

Description

信号解调的方法、设备、系统和存储介质 技术领域
本申请涉及通信技术领域，尤其涉及一种信号解调的方法、设备、系统和存储介质。
背景技术
随着互联网技术的发展，怎样实现终端设备如用户设备(User Equipment，UE)与网络设备之间的数据传输的有效性成了亟待解决的问题，而为了确保终端设备与网络设备之间的数据传输的有效性，对从物理下行共享信道(Physical Downlink Shared Channel，PDSCH)接收到的信号进行解调是关键。
一般网络设备向用户设备发送同步信号(Synchronization Signal，SS)和物理广播信道(Physical Broadcast Channel，PBCH)，且在物理广播信道上发送控制信息，终端设备可根据同步信号和控制信息进行解调。
然而发明人在实现本申请的过程中，发现至少存在如下问题：没有考虑终端设备的状态(如移动情况)，导致无法准确对物理下行共享信道进行接收并解调。
前面的叙述在于提供一般的背景信息，并不一定构成现有技术。
发明内容
本申请提供一种信号解调的方法、设备、系统和存储介质，用以解决无法准确对物理下行共享信道进行接收并解调的问题。
一方面，本申请实施例提供一种信号解调的方法，所述方法包括以下步骤：
S11、根据所述终端设备的状态，确定物理下行共享信道的准共址信息；
S12、根据所述准共址信息，接收并解调所述物理下行共享信道。
在一些实施例中，所述状态为所述终端设备的以下至少一种：运动状态、移动速度、移动方向。
在一些实施例中，还包括以下至少一种：
在所述终端设备处于静止状态时，所述准共址信息用于指示所述物理下行共享信道与预设的参考信号之间准共址；
在所述终端设备处于运动状态时，所述准共址信息不用于指示所述物理下行共享信道与预设的参考信号之间准共址；
在所述移动速度小于或等于第一预设值时，所述准共址信息用于指示所述物理下行共享信道与预设的参考信号之间准共址；
在所述移动速度大于所述第一预设值时，所述准共址信息不用于指示所述物理下行共享信道与预设的参考信号之间准共址。
在一些实施例中，所述参考信号包括以下至少一种：
为所述终端设备检测到的接收参考信号强度最大的参考信号；
为所述终端设备检测到的接收参考信号信干噪比最大的参考信号。
在一些实施例中，在所述移动速度大于所述第一预设值时，还包括：
所述准共址信息为时隙组上承载的控制资源集中，具有最小索引的控制资源对应的准共址信息。
在一些实施例中，还包括以下至少一种：
所述时隙组包括至少一个时隙，所述至少一个时隙在时间上与当前下行共享信道最接近；
所述移动速度大于所述第一预设值、且小于第二预设值，其中，所述第一预设值小于所述第二预设值。
在一些实施例中，还包括以下至少一种：
所述时隙组包括至少两个连续时隙，所述时隙组在时间上与当前下行共享信道最接近，所述准共址信息为所述时隙组各时隙控制资源集中，具有最小索引的控制资源对应的准共址信息的归一化值；
所述移动速度大于所述第一预设值、且大于或等于第二预设值，其中，所述第一预设值小于所述第二预设值。
在一些实施例中，所述S12步骤，还包括：
根据所述准共址信息，确定信号的接收方向；
在所述接收方向上，接收并解调所述物理下行共享信道。
在一些实施例中，在所述S11步骤之前，所述方法还包括：
接收网络设备发送的下行控制信息；
根据所述下行控制信息，确定接收并解调所述物理下行共享信道的偏移时间；
若所述偏移时间小于预设的时间阈值，获取所述状态。
在一些实施例中，在所述S11步骤之前，所述方法还包括：
根据所述下行控制信息确定传输配置指示信息的状态；
若所述传输配置指示信息的状态为使能状态，则获取所述状态。
另一方面，本申请实施例还提供了一种终端设备，所述终端设备包括：
确定模块，用于根据所述终端设备的状态，确定物理下行共享信道的准共址信息；
处理模块，用于根据所述准共址信息，接收并解调所述物理下行共享信道。
在一些实施例中，所述状态为所述终端设备的以下至少一种：运动状态、移动速度、移动方向。
在一些实施例中，还包括以下至少一种：
在所述终端设备处于静止状态时，所述准共址信息用于指示所述物理下行共享信道与预设的参考信号之间准共址；
在所述终端设备处于运动状态时，所述准共址信息不用于指示所述物理下行共享信道与预设的参考信号之间准共址；
在所述移动速度小于或等于第一预设值时，所述准共址信息用于指示所述物理下行共享信道与预设的参考信号之间准共址；
在所述移动速度大于所述第一预设值时，所述准共址信息不用于指示所述物理下行共享信道与预设的参考信号之间准共址。
在一些实施例中，所述参考信号包括以下至少一种：
为所述终端设备检测到的接收参考信号强度最大的参考信号；
为所述终端设备检测到的接收参考信号信干噪比最大的参考信号。
在一些实施例中，在所述移动速度大于所述第一预设值时，还包括：
所述准共址信息为时隙组上承载的控制资源集中，具有最小索引的控制资源对应的准共址信息。
在一些实施例中，还包括以下至少一种：
所述时隙组包括至少一个时隙，所述至少一个时隙在时间上与当前下行共享信道最接近；
所述移动速度大于所述第一预设值、且小于第二预设值，其中，所述第一预设值小于所述第二预设值。
在一些实施例中，还包括以下至少一种：
所述时隙组包括至少两个连续时隙，所述时隙组在时间上与当前下行共享信道最接近，所述准共址信息为所述时隙组各时隙控制资源集中，具有最小索引的控制资源对应的准共址信息的归一化值；
所述移动速度大于所述第一预设值、且大于或等于第二预设值，其中，所述第一预设值小于所述第二预设值。
在一些实施例中，所述处理模块具体用于，根据所述准共址信息，确定信号的接收方向，在所述接收方向上，接收并解调所述物理下行共享信道。
另一个方面，本申请实施例还提供了一种用户设备，包括：
存储器，处理器；
所述存储器用于存储所述处理器可执行指令，其中，当所述处理器执行所述存储器中的指令时，实现如上任一实施例所述的方法。
在一些实施例中，所述终端设备还包括：
接收模块，用于接收网络设备发送的下行控制信息；
所述确定模块还用于，根据所述下行控制信息，确定接收并解调所述物理下行共享信道的偏移时间；
获取模块，用于若所述偏移时间小于预设的时间阈值，获取所述状态。
在一些实施例中，所述确定模块还用于，根据所述下行控制信息确定传输配置指示信息的状态；
所述获取模块具体用于，若所述传输配置指示信息的状态为使能状态，则获取所述状态。
另一个方面，本申请实施例还提供了一种信号解调的方法，所述方法应用于网络设备，所述方法包括以下步骤：
S41：生成下行控制信息；
S42：发送下行控制信息，其中，所述下行控制信息用于指示终端设备对物理下行共享信道进行接收并解调。
另一个方面，本申请实施例还提供了一种电子设备，包括：存储器，处理器；
所述存储器用于存储所述处理器可执行指令；
其中，当所述处理器执行所述存储器中的指令时，实现如上任一实施例所述的方法。
另一个方面，本申请实施例还提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机执行指令，所述计算机执行指令被处理器执行时用于实现如上任一实施例所述的方法。
另一个方面，本申请实施例还提供了一种网络设备，所述网络设备包括：
生成模块，用于生成下行控制信息；
发送模块，用于发送下行控制信息，其中，所述下行控制信息用于指示终端设备对物 理下行共享信道进行接收并解调。
另一个方面，本申请实施例还提供了一种信号解调的系统，所述系统包括：
如上实施例任一所述的终端设备；
如上述实施例所述的网络设备。
本申请提供一种信号解调的方法、设备、系统和存储介质，包括：根据终端设备的状态，确定物理下行共享信道的准共址信息，根据准共址信息，接收并解调物理下行共享信道通过基于状态对准共址信息进行确定，可以灵活准确地确定出物理下行共享信道对应的准共址信息，所以当通过准共址信息对物理下行共享信道进行接收并解调时，可以提高解调的可靠性和准确性的技术效果。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本申请的实施例，并与说明书一起用于解释本申请的原理。
图1为本申请一个实施例的信号解调的方法的场景示意图；
图2为本申请一个实施例的信号解调的方法的流程示意图；
图3为本申请另一实施例的信号解调方法的流程示意图；
图4为本申请又一实施例的信号解调的方法的流程示意图；
图5为本申请实施例的时间偏移示意图；
图6为本申请一个实施例的信号解调的装置的示意图；
图7为本申请另一实施例的信号解调的装置的示意图；
图8为本申请实施例的电子设备的结构示意图；
图9为本申请又一实施例的信号解调的方法的流程示意图；
图10为本申请实施例的网络设备的示意图。
通过上述附图，已示出本申请明确的实施例，后文中将有更详细的描述。这些附图和文字描述并不是为了通过任何方式限制本申请构思的范围，而是通过参考特定实施例为本领域技术人员说明本申请的概念。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及 附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本申请相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本申请的一些方面相一致的装置和方法的例子。
其中，本申请实施例的信号解调的方法可以应用于如图1所示的应用场景。
其中，图1可以理解为用于信号解调的系统，该系统中包括网络设备和终端设备。且在如图1所示的应用场景中，终端设备为手机100，网络设备为基站200。
其中，手机100和基站200之间可以建立通信链路，且手机100可以基于该通信链路与基站200进行数据传输。
值得说明地是，图1中仅示范性地给出了终端设备中的一种，终端设备还可以包括台式电脑、笔记本电脑、iPad和智能手环等。网络设备除了包括图1中所示的基站，还可以包括路由器和网桥等。
具体地，图1所述的应用场景可以适用于不同的网络制式，例如，可以适用于全球移动通讯(Global System of Mobile communication，简称GSM)、码分多址(Code Division Multiple Access，简称CDMA)、宽带码分多址(Wideband Code Division Multiple Access，简称WCDMA)、时分同步码分多址(Time Division-Synchronous Code Division Multiple Access，简称TD-SCDMA)、长期演进(Long Term Evolution，简称LTE)系统及5G等网络制式。可选的，上述通信系统可以为5G通信系统中高可靠低时延通信(Ultra-Reliable and Low Latency Communications，URLLC)传输的场景中的系统。
故而，可选的，上述基站可以是GSM或CDMA中的基站(Base Transceiver Station，简称BTS)和/或基站控制器，也可以是WCDMA中的基站(NodeB，简称NB)和/或无线网络控制器(Radio Network Controller，简称RNC)，还可以是LTE中的演进型基站(Evolutional Node B，简称eNB或eNodeB)，或者中继站或接入点，或者5G网络中的基站(gNB)等，本申请在此并不限定。
上述终端设备可以是无线终端也可以是有线终端。无线终端可以是指向用户提供语音和/或其他业务数据连通性的设备，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其他处理设备。无线终端可以经无线接入网(Radio Access Network，简称RAN)与一个或多个核心网设备进行通信，无线终端可以是移动终端，如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。再例如，无线终端还可以是个人通信业务(Personal Communication Service，简称PCS) 电话、无绳电话、会话发起协议(Session Initiation Protocol，简称SIP)话机、无线本地环路(Wireless Local Loop，简称WLL)站、个人数字助理(Personal Digital Assistant，简称PDA)等设备。无线终端也可以称为系统、订户单元(Subscriber Unit)、订户站(Subscriber Station)，移动站(Mobile Station)、移动台(Mobile)、远程站(Remote Station)、远程终端(Remote Terminal)、接入终端(Access Terminal)、用户终端(User Terminal)、用户代理(User Agent)、用户设备(User Device or User Equipment)，在此不作限定。可选的，上述用户设备还可以是智能手表、平板电脑等设备。
网络设备向终端设备发送同步信号和物理广播信道，且在物理广播信道上发送的控制信息，终端设备可根据同步信号和控制信息对物理下行共享信道承载的信号进行接收并解调。
上述方案没有考虑终端设备的状态(如移动情况)，导致无法准确接收物理下行共享信道承载的信号，从而无法实现对物理下行共享信道承载的信号进行解调。
例如，在如图1所示的应用场景，基站基于手机当前的方向，向手机发送同步信号和物理广播信道，如果手机处于移动的状态，则手机接收到同步信号和物理广播信道时，手机的方向已经发生改变，如果手机以改变后的方向对基站发送信号进行接收并解调，则可能存在接收信号不准确的问题。
为了解决上述技术问题，本申请的发明人在经过创造性劳动之后，得到了本申请实施例的发明构思：基于终端设备的状态对物理下行共享信道承载的信号进行接收并解调。
下面以具体地实施例对本申请的技术方案以及本申请的技术方案如何解决上述技术问题进行详细说明。下面这几个具体的实施例可以相互结合，对于相同或相似的概念或过程可能在某些实施例中不再赘述。下面将结合附图，对本申请的实施例进行描述。
根据本申请实施例的一个方面，本申请实施例提供了一种信号解调的方法，该方法应用于终端设备。
请参阅图2，图2为本申请一个实施例的信号解调的方法的流程示意图。
如图2所示，该方法包括：
S21：根据终端设备的状态，确定物理下行共享信道的准共址信息。
其中，本申请实施例的执行主体可以为用于与网络设备进行数据传输的终端设备，例如用户终端，且用户终端包括手机、iPad、智能手环、台式电脑、笔记本电脑和车载终端等。例如，在如图1所示的应用场景中，终端设备为手机。
其中，状态用于表征终端设备的运动和/或静止的相关信息，也就是说，若状态为用于表征终端设备的运动的相关信息时，则可以将状态称为运动状态，若状态为用于表征终端设备的静止的相关信息时，则可以将状态称为静止状态。具体地，当为运动状态时，运动状态可以用于表征终端设备的位移、速度和角度中的至少一种发生变化的相关的信息，如终端设备的移动速度和移动方向等。
其中，准共址QCL(Quasi Co-Location)信息用于确定物理下行共享信道的方向，在确定出物理下行共享信道的方向之后，可以基于确定出的方向对物理下行共享信道进行接收并解调。
值得说明的是，终端设备的状态不同，终端设备与网络设备之间的相对位置信息可能不同，如终端设备相对于网络设备的角度和距离等有可能发生变化。这里所说的角度可以用于表征，终端设备的天线与网络设备的天线发送的波束之间的角度。
在本申请实施例中，根据状态对准共址信息进行确定，充分考虑了由于终端设备的不同状态，造成的终端设备与网络设备之间的相对位置信息的不同，因此，可以实现灵活地确定准共址信息的技术效果。
S12：根据准共址信息，接收并解调物理下行共享信道。
基于上述分析可知，由于采用根据状态对准共址信息进行确定，可以提高准共址信息的准确性，因此，当基于准共址信息对物理下行共享信道进行接收并解调时，可以实现解调的可靠性和准确性。
基于上述分析可知，本申请实施例提供了一种信号解调的方法，该方法包括：根据终端设备的状态，确定物理下行共享信道的准共址信息，根据准共址信息，接收并解调物理下行共享信道，通过基于状态对准共址信息进行确定，可以灵活准确地确定出物理下行共享信道对应的准共址信息，所以当通过准共址信息对物理下行共享信道进行接收并解调时，可以提高解调的可靠性和准确性的技术效果。
在一些实施例中，准共址信息用于指示物理下行共享信道与预设的参考信号(Reference Signal，RS)之间准共址。
其中，参考信号可以为在终端设备接入网络设备时，由网络设备配置并广播的参考信号；参考信号也可以为在终端设备接入网络设备之后，由网络设备周期或者非周期的配置并广播的参考信号。
其中，参考信号包括同步信号块SSB(Synchronization Signal Block)和信道状态信息参考信号CSI-RS(Channel State Information Reference Signal)。
在一些实施例中，参考信号为终端设备检测到的接收参考信号强度最大和/或信干 噪比最大的参考信号。
其中，终端设备可以对接收参考信号时的信号强度进行检测，并选取信号强度最大的参考信号；终端设备也可以对接收参考信号时的信干噪比进行检测，并选取信干噪比最大的参考信号。在本申请实施例中，可以选择接收参考信号强度最大和/或信干噪比，并确定物理下行共享信道与信噪比最大的参考信号准共址，以便实现确定出的准共址信息的准确性和可靠性。
在一些实施例中，准共址信息为时隙组上承载的控制资源集中的准共址信息。
在一些实施例中，准共址信息为时隙组上承载的控制资源集中，具有最小索引的控制资源对应的准共址信息。
在一些实施例中，时隙组包括至少一个时隙，至少一个时隙在时间上与当前下行共享信道最接近。
在一些实施例中，时隙组包括至少两个连续时隙，时隙组在时间上与当前下行共享信道最接近，准共址信息为时隙组各时隙控制资源集中，具有最小索引的控制资源对应的准共址信息的归一化值。
其中，归一化值可以为平均值、最大值和最小值中的至少一种。
例如，当归一化值为平均值时，则从每个时隙中，选择最小索引的控制资源对应的准共址信息，并对选择出的各准共址信息进行求平均，得到平均值，并将该平均值确定为准共址信息。
又如，当归一化值为最大值时，则从每个时隙中，选择最小索引的控制资源对应准共址信息，并从选择出的各准共址信息中选择准共址信息的值最大的准共址信息，确定为准共址信息。
又如，当归一化值为最小值时，则从每个时隙中，选择最小索引的控制资源对应准共址信息，并从选择出的各准共址信息中选择准共址信息的值最小的准共址信息，确定为准共址信息。
又如，当归一化值为平均值和最大值时，则从每个时隙中，选择最小索引的控制资源对应的准共址信息，并对选择出的各准共址信息进行求平均，得到平均值，且从每个时隙中，选择最小索引的控制资源对应的准共址信息，并从选择出的各准共址信息中选择最大值的准共址信息，并将平均值确定为准共址信息，或者，将最大值的准共址信息确定为准共址信息。
又如，当归一化值为平均值和最小值时，则从每个时隙中，选择最小索引的控制资源对应的准共址信息，并对选择出的各准共址信息进行求平均，得到平均值，且从 每个时隙中，选择最小索引的控制资源对应的准共址信息，并从选择出的各准共址信息中选择最小值的准共址信息，并将平均值确定为准共址信息，或者，将最小值的准共址信息确定为准共址信息。
又如，当归一化值为最大值和最小值时，则从每个时隙中，选择最小索引的控制资源对应的准共址信息，并从选择出的各准共址信息中选择最大值的准共址信息，且从每个时隙中，选择最小索引的控制资源对应的准共址信息，并从选择出的各准共址信息中选择最小值的准共址信息，并将最大值的准共址信息确定为准共址信息，或者，将最小值的准共址信息确定为准共址信息。
又如，当归一化值为平均值、最大值和最小值时，则从每个时隙中，选择最小索引的控制资源对应的准共址信息，并对选择出的各准共址信息进行求平均，得到平均值，且从每个时隙中，选择最小索引的控制资源对应的准共址信息，并从选择出的各准共址信息中选择最大值的准共址信息，且从每个时隙中，选择最小索引的控制资源对应的准共址信息，并从选择出的各准共址信息中选择最小值的准共址信息，并将平均值确定为准共址信息，或者，将最大值的准共址信息确定为准共址信息，或者，将最小值的准共址信息确定为准共址信息。
在一些实施例中，在终端设备处于静止状态时，准共址信息用于指示物理下行共享信道与预设的参考信号之间准共址。
在一些实施例中，在终端设备处于运动状态时，准共址信息不用于指示物理下行共享信道与预设的参考信号之间准共址。
其中，关于参考信号的描述可参见上述示例，此处不再赘述。
也就是说，在本申请实施例中，可以基于终端设备是否处于静止状态，确定准共址信息与参考信号之间的关系，且具体可以为当终端设备处于静止状态时，准共址信息用于指示物理下行共享信道与预设的参考信号之间准共址，而当终端设备处于运动状态(即非静止状态)时，准共址信息不用于指示物理下行共享信道与预设的参考信号之间准共址。
在一些实施例中，在移动速度小于或等于第一预设值时，准共址信息用于指示物理下行共享信道与预设的参考信号之间准共址。
在一些实施例中，在移动速度大于第一预设值时，准共址信息不用于指示物理下行共享信道与预设的参考信号之间准共址。
其中，关于参考信号的描述可参见上述示例，此处不再赘述。
其中，第一预设值可以基于需求、经验和试验等进行设定。
也就是说，在本申请实施例中，可以基于终端设备的移动速度的大小，确定准共址信 息与参考信号之间的关系，且具体可以为当终端设备移动速度较小时，准共址信息用于指示物理下行共享信道与预设的参考信号之间准共址，而当终端设备处于移动速度较大时时，准共址信息不用于指示物理下行共享信道与预设的参考信号之间准共址。
上述示例示范性地列举了怎样确定准共址信息，为了使读者更加清楚地理解怎样根据状态确定准共址信息，现结合图3对本申请实施例的方法进行详细地阐述。其中，图3为本申请另一实施例的信号解调方法的流程示意图。
如图3所示，该方法包括：
S21：获取终端设备的状态，状态包括移动速度。
在一些实施例中，该步骤可以具体包括：获取终端设备中的传感器的检测值，其中，检测值用于指示移动速度。且传感器可以包括用于对速度进行检测的传感器，位移传感器、雷达、全球定位系统(Global Positioning System，GPS)和位置服务(Location Based Services，LBS)等。
S22：判断移动速度是否小于或等于第一预设值，若是，则执行S23，若否，则执行S24。
基于上述示例，第一预设值可以基于需求、经验和试验等进行设置。如第一预设值可以设置为相对较小的值，用于表征终端设备的移动距离相对较小，或者用于表征终端设备几乎没有移动(包括终端设备处于静止状态)。也就是说，在终端设备几乎没有移动的情况下，或者，在终端设备移动的距离相对较小的情况下，可以执行S23。
S23：准共址信息用于指示物理下行共享信道与参考信号之间准共址，并执行S25。
其中，关于S23的描述可参见上述示例，此处不再赘述。
S24：准共址信息为时隙组上承载的控制资源集(Control Resource Set，CORESET)中的准共址信息，并执行S25。
也就是说，在本申请实施例中，在移动速度相对比较小，或者，终端设备几乎没有移动的情况下，准共址信息用于指示物理下行共享信道与参考信号之间准共址，而当移动速度相对较大的情况下，准共址信息为时隙组上承载的控制资源集中的准共址信息。
其中，准共址信息为时隙组上承载的控制资源集中，具有最小索引的控制资源对应的准共址信息。
在一些实施例中，可以对移动速度与确定准共址信息进行更进一步地细分。
例如，在移动速度大于第一预设值的基础上，进一步确定移动速度与第二预设值的大小，如果移动速度小于第二预设值，则准共址信息为终端设备最近接收的时隙组 上承载的控制资源集中的准共址信息；如果移动速度大于或等于第二预设值，则准共址信息为预设时间段内终端设备接收的，时隙组上承载的控制资源集中的准共址信息。
其中，如果移动速度大于第一预设值，且小于第二预设值，则说明终端设备的移动速度相对较慢。在终端设备移动速度相对较慢的情况下，可以确定终端设备最近接收到的时隙组，并可将准共址信息确定为该最近接收到的时隙组上承载的控制资源集中的准共址信息。
具体地，若时隙组包括至少一个时隙，则至少一个时隙在时间上与当前下行共享信道最接近。
其中，如果移动速度大于第一预设值，且大于或等于第二预设值，则说明终端设备的移动速度相对较快。在终端设备移动速度相对较快的情况下，可以确定终端设备在预设时间段内接收的时隙组，并可将准共址信息确定为预设时间段内接收的时隙组上承载的控制资源集中的准共址信息。
具体地，若时隙组包括至少两个连续时隙，时隙组在时间上与当前下行共享信道最接近，准共址信息为所述时隙组各时隙控制资源集中，具有最小索引的控制资源对应的准共址信息的归一化值。
S25：根据准共址信息，接收并解调物理下行共享信道。
在一些实施例中，S25可具体包括：
S251：根据准共址信息，确定信号的接收方向。
S252：在接收方向上，接收并解调物理下行共享信道。
为使读者更加清楚地理解本申请实施例的方案，尤其是本申请实施例触发条件，现结合图4对本申请实施例的信号解调的方法进行详细地阐述。其中，图4为本申请又一实施例的信号解调的方法的流程示意图。
如图4所示，该方法包括：
S31：接收网络设备发送的下行控制信息(Downlink Control Information，DCI)。
例如，在如图1所示的应用场景中，则为手机接收基站发送的行控制信息。
S32：根据下行控制信息，确定接收并解调物理下行共享信道的偏移时间。
其中，下行控制信息中携带偏移时间，偏移时间用于表征从当前时刻至接收到物理下行共享信道的时间之间的时间差值。
S33：判断偏移时间与预设的时间阈值之间的大小，如果偏移时间小于时间阈值，则执行S34，如果偏移时间大于或等于时间阈值，则返回至S31。
其中，时间阈值可能为在终端设备接入网络设备时，网络设置发送至终端设备的； 时间阈值也可能为下行控制信息中携带的。
现以时间阈值为携带在下行控制信息中进行示范性地说明，下行控制信息中携带的偏移时间和时间阈值可能相同，也可能不相同。尤其在多收发点(Tx/Rx point，TRP)传输的情况下，偏移时间和时间阈值不相同的可能性更高。
如图5所示，当终端设备接收到下行控制信息时，可以基于下行控制信息确定终端设备接收到物理下行共享信道的信号偏移时间，还可以确定接收到物理下行共享信道的信号的时间阈值。
结合图5可知，时间阈值可能大于偏移时间。例如，若偏移时间为0.2秒，而时间阈值为0.5秒，由于下行控制信息中的准共址信息为0.5秒之后接收并解调物理下行共享信道的，则终端设备无法0.2秒时对物理下行共享信道进行接收并解调，因此，可以采用本申请实施例的方案对该问题进行解决。
S34：判断下行控制信息中的传输配置指示(Transmission Configuration Indicator，TCI)信息是否为使能状态，若是，则执行S35至S37，若否，则返回至S31。
其中，使能状态又称激磁状态，可以理解为一个“允许进给信号”的状态，即网络设备为允许将信号发送至终端设备的状态。
S35：获取终端设备的状态。
S36：根据状态，确定物理下行共享信道的准共址信息。
S37：根据准共址信息，接收并解调物理下行共享信道。
其中，关于S35至S37的描述可以参见上述示例的描述，此处不再赘述。
根据本申请实施例的另一个方面，本申请实施例还提供了一种与上述方法对应的终端设备。
请参阅图6，图6为本申请实施例的终端设备的示意图。
如图6所示，所述终端设备包括：
确定模块11，用于根据终端设备的状态，确定物理下行共享信道的准共址信息；
处理模块12，用于根据所述准共址信息，接收并解调所述物理下行共享信道。
所述状态为所述终端设备的以下至少一种：运动状态、移动速度、移动方向。
在一些实施例中，还包括以下至少一种：
在所述终端设备处于静止状态时，所述准共址信息用于指示所述物理下行共享信道与预设的参考信号之间准共址；
在所述终端设备处于运动状态时，所述准共址信息不用于指示所述物理下行共享信道与预设的参考信号之间准共址；
在所述移动速度小于或等于第一预设值时，所述准共址信息用于指示所述物理下行共享信道与预设的参考信号之间准共址；
在所述移动速度大于所述第一预设值时，所述准共址信息不用于指示所述物理下行共享信道与预设的参考信号之间准共址。
在一些实施例中，所述参考信号包括以下至少一种：
为所述终端设备检测到的接收参考信号强度最大的参考信号；
为所述终端设备检测到的接收参考信号信干噪比最大的参考信号。
在一些实施例中，在所述移动速度大于所述第一预设值时，还包括：
所述准共址信息为时隙组上承载的控制资源集中，具有最小索引的控制资源对应的准共址信息。
在一些实施例中，还包括以下至少一种：
所述时隙组包括至少一个时隙，所述至少一个时隙在时间上与当前下行共享信道最接近；
所述移动速度大于所述第一预设值、且小于第二预设值，其中，所述第一预设值小于所述第二预设值。
在一些实施例中，还包括以下至少一种：
所述时隙组包括至少两个连续时隙，所述时隙组在时间上与当前下行共享信道最接近，所述准共址信息为所述时隙组各时隙控制资源集中，具有最小索引的控制资源对应的准共址信息的归一化值；
所述移动速度大于所述第一预设值、且大于或等于第二预设值，其中，所述第一预设值小于所述第二预设值。
在一些实施例中，所述处理模块12具体用于，根据所述准共址信息，确定信号的接收方向，在所述接收方向上，接收并解调所述物理下行共享信道。
结合图7可知，在一些实施例中，所述终端设备还包括：
接收模块14，用于接收网络设备发送的下行控制信息；
所述确定模块11还用于，根据所述下行控制信息，确定接收并解调所述物理下行共享信道的偏移时间；
获取模块13，用于若所述偏移时间小于预设的时间阈值，获取所述状态。
在一些实施例中，所述确定模块12还用于，根据所述下行控制信息确定传输配置指示信息的状态；
所述获取模块13具体用于，若所述传输配置指示信息的状态为使能状态，则获取所 述状态。
根据本申请实施例的另一个方面，本申请实施例还提供了一种电子设备，包括：存储器，处理器；
存储器用于存储处理器可执行指令的存储器；
其中，当执行存储器中的指令时，处理器被配置为实现如上任一实施例所述的方法。
请参阅图8，图8为本申请实施例的电子设备的结构示意图。
如图8所示，该电子设备包括存储器和处理器，该电子设备还可以包括通信接口和总线，其中，处理器、通信接口和存储器通过总线连接；处理器用于执行存储器中存储的可执行模块，例如计算机程序。
其中，存储器可能包含高速随机存取存储器(RAM，Random Access Memory)，也可能还包括非不稳定的存储器(non-volatile memory)，例如至少一个磁盘存储器。通过至少一个通信接口可以是有线或者无线)实现该系统网元与至少一个其他网元之间的通信连接，可以使用互联网，广域网，本地网，城域网等。
总线可以是ISA总线、PCI总线或EISA总线等。总线可以分为地址总线、数据总线、控制总线等。
其中，存储器用于存储程序，处理器在接收到执行指令后，执行程序，前述本申请实施例任一实施例揭示的方法可以应用于处理器中，或者由处理器实现。
处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器，包括中央处理器(Central Processing Unit，简称CPU)、网络处理器(Network Processor，简称NP)等；还可以是数字信号处理器(Digital Signal Processor，简称DSP)、专用集成电路(Application Specific Integrated Circuit，简称ASIC)、现成可编程门阵列(Field-Programmable Gate Array，简称FPGA)或者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。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
根据本申请实施例的另一个方面，本申请实施例还提供了一种用户设备，包括：
存储器，处理器；
所述存储器用于存储所述处理器可执行指令，其中，当所述处理器执行所述存储器中 的指令时，实现如上任一实施例所述的方法。
例如，用户设备用于执行如图2、图3和图4所示的方法。
根据本申请实施例的另一个方面，本申请实施例还提供了一种计算机可读存储介质，计算机可读存储介质中存储有计算机执行指令，所述计算机执行指令被处理器执行时用于实现如上任一实施例所述的方法。
根据本申请实施例的另一个方面，本申请实施例还提供了一种信号解调的方法，所述方法应用于网络设备。
请参阅图9，所述方法包括以下步骤：
S41：生成下行控制信息；
S42：发送下行控制信息，其中，下行控制信息用于指示终端设备对物理下行共享信道进行接收并解调。
例如，结合上述示例可知，若网络设备将生成的下行控制信息发送给终端设备，则该下行控制信息用于指示终端设备对物理下行共享信道进行接收并解调，且关于终端设备根据下行控制信息对物理下行共享信道进行接收并解调的实施例可以参见上述示例，如参见图2、图3和图4所示的示例，此处不再赘述。
根据本申请实施例的另一个方面，本申请实施例还提供了一种网络设备。
请参阅图10，所述网络设备包括：
生成模块21，用于生成下行控制信息；
发送模块22，用于发送下行控制信息，其中，所述下行控制信息用于指示终端设备对物理下行共享信道进行接收并解调。
根据本申请实施例的另一个方面，本申请实施例还提供了一种信号解调的系统，所述系统包括：
如图9所示的终端设备；
如图10所示的网络设备。
读者应理解，在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必针对的是相同的实施例或示例。而且，描述的具体特征、结构或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
所属领域的技术人员可以清楚地了解到，为了描述的方便和简洁，上述描述的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，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。
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申请实施例方案的目的。
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，也可以是两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
集成的单元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，或者该技术方案的全部或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(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
还应理解，在本申请各实施例中，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。
应该理解的是，虽然上述实施例中的流程图中的各个步骤按照箭头的指示依次显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的执行并没有严格的顺序限制，其可以以其他的顺序执行。而且，图中的至少一部分步骤可以包括多个子步骤或者多个阶段，这些子步骤或者阶段并不必然是在同一时刻执行完成，而是可以在不同的时刻执行，其执行顺序也不必然是依次进行，而是可以与其他步骤或者其他步骤的子步骤或者阶段的至少一部分轮流或者交替地执行。
以上，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，可轻易想到各种等效的修改或替换，这 些修改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以权利要求的保护范围为准。

Claims (15)

  1. 一种信号解调的方法，其特征在于，所述方法应用于终端设备，所述方法包括以下步骤：
    S11、根据所述终端设备的状态，确定物理下行共享信道的准共址信息；
    S12、根据所述准共址信息，接收并解调所述物理下行共享信道。
  2. 根据权利要求1所述的方法，其特征在于，所述状态为所述终端设备的以下至少一种：运动状态、移动速度、移动方向。
  3. 根据权利要求2所述的方法，其特征在于，还包括以下至少一种：
    在所述终端设备处于静止状态时，所述准共址信息用于指示所述物理下行共享信道与预设的参考信号之间准共址；
    在所述终端设备处于运动状态时，所述准共址信息不用于指示所述物理下行共享信道与预设的参考信号之间准共址；
    在所述移动速度小于或等于第一预设值时，所述准共址信息用于指示所述物理下行共享信道与预设的参考信号之间准共址；
    在所述移动速度大于所述第一预设值时，所述准共址信息不用于指示所述物理下行共享信道与预设的参考信号之间准共址。
  4. 根据权利要求3所述的方法，其特征在于，所述参考信号包括以下至少一种：
    为所述终端设备检测到的接收参考信号强度最大的参考信号；
    为所述终端设备检测到的接收参考信号信干噪比最大的参考信号。
  5. 根据权利要求3所述的方法，其特征在于，在所述移动速度大于所述第一预设值时，还包括：
    所述准共址信息为时隙组上承载的控制资源集中，具有最小索引的控制资源对应的准共址信息。
  6. 根据权利要求5所述的方法，其特征在于，还包括以下至少一种：
    所述时隙组包括至少一个时隙，所述至少一个时隙在时间上与当前下行共享信道最接 近；
    所述移动速度大于所述第一预设值、且小于第二预设值，其中，所述第一预设值小于所述第二预设值。
  7. 根据权利要求5所述的方法，其特征在于，还包括以下至少一种：
    所述时隙组包括至少两个连续时隙，所述时隙组在时间上与当前下行共享信道最接近，所述准共址信息为所述时隙组各时隙控制资源集中，具有最小索引的控制资源对应的准共址信息的归一化值；
    所述移动速度大于所述第一预设值、且大于或等于第二预设值，其中，所述第一预设值小于所述第二预设值。
  8. 根据权利要求1-7任一项所述的方法，其特征在于，所述S12步骤，还包括：
    根据所述准共址信息，确定信号的接收方向；
    在所述接收方向上，接收并解调所述物理下行共享信道。
  9. 根据权利要求1-7任一项所述的方法，其特征在于，在所述S11步骤之前，所述方法还包括：
    接收网络设备发送的下行控制信息；
    根据所述下行控制信息，确定接收并解调所述物理下行共享信道的偏移时间；
    若所述偏移时间小于预设的时间阈值，获取所述状态。
  10. 根据权利要求9所述的方法，其特征在于，在所述S11步骤之前，所述方法还包括：
    根据所述下行控制信息确定传输配置指示信息的状态；
    若所述传输配置指示信息的状态为使能状态，则获取所述状态。
  11. 一种信号解调的方法，其特征在于，所述方法应用于网络设备，所述方法包括以下步骤：
    S41：生成下行控制信息；
    S42：发送下行控制信息，其中，所述下行控制信息用于指示终端设备对物理下行共享信道进行接收并解调。
  12. 一种用户设备，其特征在于，包括：
    存储器，处理器；
    所述存储器用于存储所述处理器可执行指令，其中，当所述处理器执行所述存储器中的指令时实现如权利要求1至10中任一项所述的方法。
  13. 一种网络设备，其特征在于，包括：
    生成模块，用于生成下行控制信息；
    发送模块，用于发送下行控制信息，其中，所述下行控制信息用于指示终端设备对物理下行共享信道进行接收并解调。
  14. 一种信号解调的系统，其特征在于，包括：
    至少一个如权利要求12所述的用户设备和至少一个如权利要求13所述的网络设备。
  15. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有计算机执行指令，所述计算机执行指令被处理器执行时用于实现如权利要求1至10中任一项或如权利要求11所述的方法。
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