WO2019047808A1 - Procédé et dispositif indication de faisceau - Google Patents

Procédé et dispositif indication de faisceau Download PDF

Info

Publication number
WO2019047808A1
WO2019047808A1 PCT/CN2018/103871 CN2018103871W WO2019047808A1 WO 2019047808 A1 WO2019047808 A1 WO 2019047808A1 CN 2018103871 W CN2018103871 W CN 2018103871W WO 2019047808 A1 WO2019047808 A1 WO 2019047808A1
Authority
WO
WIPO (PCT)
Prior art keywords
beam scanning
terminal device
network device
indication
indication information
Prior art date
Application number
PCT/CN2018/103871
Other languages
English (en)
Chinese (zh)
Inventor
施弘哲
毕晓艳
尚鹏
蒋鹏
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2019047808A1 publication Critical patent/WO2019047808A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—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

Definitions

  • the embodiments of the present disclosure relate to the field of communications technologies, and in particular, to a beam scanning indication method and apparatus thereof.
  • Beamforming is a signal preprocessing technique based on an antenna array. Beamforming produces a directional beam by adjusting the weighting coefficients of each element in the antenna array, so that a significant array gain can be obtained.
  • NR new radio
  • the antenna array will introduce beamforming more to obtain gain.
  • the data channel, control channel, synchronization signal, and broadcast signal can all be transmitted through the beam. Therefore, beam management (BM) is more important in NR.
  • NR mid-downlink beam management can be divided into three phases: P-1, P-2 and P-3.
  • the user equipment UE
  • the user equipment may select one or more transmit beams by measurement, and establish a transceiving beam association with one or more receive beams.
  • the transmit beam in the established transmit and receive beam association may be from one or more transmission receiver points (TRPs), and the receive beam may be from the UE.
  • TRPs transmission receiver points
  • the receive beam may be from the UE.
  • TRPs transmission receiver points
  • the UE may update the transmit beams in one or more transmit and receive beam associations according to the measurement results.
  • the transmit beam can still come from one or more TRPs, but is generally smaller than the candidate range of the P-1 phase.
  • the UE may update the receive beams in one or more transmit and receive beam associations according to the measurement results.
  • the receive beam can still come from the UE. It will be appreciated that the P-2 phase and the P-3 phase are a subset of the P-1 phase.
  • CSI channel state information
  • the base station needs to configure a corresponding reference signal (for example, channel state information).
  • CSI-RS channel state information-reference signal
  • CSI channel state information reporting period
  • the current beam scanning technology only defines some basic processing procedures. If it is directly applied to the product implementation, it is likely to be inefficient, such as low efficiency or high overhead, so many details need to be optimized.
  • the base station needs to configure an uplink control information (UCI) resource for the UE, so that the UE can receive the best reception quality through the uplink control information.
  • UCI uplink control information
  • One or more transmit beams inform the base station. When the transmit beam scanning is frequent, more UCI resources need to be allocated, resulting in excessive feedback overhead of the beam reporting process.
  • the technical problem to be solved by the embodiments of the present invention is to provide a beam scanning indication method and a device thereof, which can be used to solve the problem of low efficiency of the existing beam scanning technology.
  • the embodiment of the present application provides a beam scanning indication method, including:
  • Step 1 The network device generates indication information, where the indication information is used to indicate a beam scanning mechanism, and the indicated beam scanning mechanism is one of multiple beam scanning mechanisms;
  • Step 2 The network device sends indication information to the terminal device.
  • the embodiment of the present application provides a network device, including a processing unit and a transceiver unit, where the processing unit is configured to generate indication information, where the indication information is used to indicate a beam scanning mechanism, and the indicated beam scanning mechanism is multiple beam scanning.
  • the transceiver unit is configured to send the indication information to the terminal device.
  • an embodiment of the present application provides a network device, including at least one processing element and at least one storage element, wherein the at least one storage element is configured to store a program and data, and the at least one processing element is configured to execute the application.
  • an embodiment of the present application provides a network device, including at least one circuit or chip, where the at least one circuit or chip is configured to perform the method of the above first aspect.
  • an embodiment of the present application provides a communication program, which is used to execute the method of the above first aspect when executed by a processor.
  • an embodiment of the present application provides a program product, such as a computer readable storage medium, in which the program of the fifth aspect is stored.
  • the network device indicates, by using the indication information, the beam scanning mechanism, so that the terminal device determines the indicated beam scanning mechanism according to the indication information, and performs receiving beam scanning and correlation according to the indicated beam scanning mechanism.
  • Other operations can solve the problem of inefficient implementation of existing beam scanning techniques.
  • the beam scanning mechanism indicated by the indication information is to report a value
  • the network device determines, according to the value, a reference signal resource required for the terminal device side to receive the beam scanning. Or the period during which the scan result is reported.
  • the value may be the number of receiving beams on the terminal device side, and the number of beams that the terminal device needs to perform beam training in the time division patrol mode.
  • the number of receiving beams may be equal to the number of reference signal resources required for the terminal device to receive beam scanning. Or the number of repetitions of the reference signal resources required for the network device to transmit the beam, and the like.
  • the value may also be the number of transmit beams on the terminal device side or the number of sounding reference signal resources required for the terminal device to transmit the beam scan.
  • the number of transmit beams of the terminal device has a clear correlation with the number of receive beams, for example, An equal or proportional relationship, and the association is at least known to the network device.
  • the association may be embodied by determining the number of receive beams according to the number of transmit beams or determining the number of transmit beams according to the number of receive beams.
  • the terminal device When receiving the indication information, the terminal device reports a value to the network device with the support of the corresponding timing and reporting format; if the reporting behavior is not indicated by the network device but is reported by the terminal device autonomously, The protocol needs to reserve overhead for the reported value in the uplink signaling. In the manner of indicating the indication information, the overhead of the uplink signaling is configured on an as-needed basis, and the signaling overhead is saved compared to the reserved mode.
  • the beam scanning mechanism indicated by the indication information is to report a numerical interval
  • the network device determines, according to the numerical interval, a reference required for receiving beam scanning on the terminal device side.
  • the signal resource or the period of reporting the scan result can also save signaling overhead.
  • the value interval may be the number of receiving beams, which is different from the number of receiving beams in that one is a numerical interval and one is a specific value.
  • the beam scanning mechanism indicated by the indication information is a transmit transmit beam scan request, where the transmit beam scan request is used to request the network device to stop the current transmit beam scan. Or trigger the next transmit beam scan after the current transmit beam scan.
  • the execution of the beam scanning of the terminal device auxiliary network device side can be implemented by transmitting a beam scanning request. In this mode, the network device only needs to configure the reference signal resource corresponding to the transmit beam on the network device side, and does not need to know the number of receive beams on the terminal device side.
  • the beam scanning mechanism indicated by the indication information is to associate a preset threshold with the beam scanning, that is, the network device notifies the terminal device that the number of available receiving beams is one. A known value, and the network device configures the required reference signal resource or the period of the corresponding scan result report according to this known value.
  • the terminal device does not need to report, and the known value is used as a threshold, and the corresponding receiving beam is selected to participate in beam scanning, which can save reporting overhead.
  • the network device indicates, by using the indication information, which preset threshold is associated with the beam scanning, that is, according to which preset threshold, the corresponding receiving beam is involved in beam scanning.
  • the terminal device may select all or part of the receiving beams to participate in beam scanning; if the number of receiving beams of the terminal device is greater than a preset threshold, the terminal device may only select part of the receiving beam to participate. Beam scanning.
  • the foregoing indication information is sent by using physical layer signaling.
  • the physical layer signaling is in the downlink control information, that is, the indication information is indicated by the related indication field in the downlink control information.
  • the protocol may pre-define the correspondence between the different values of the indication domain and the beam scanning mechanism, so that the terminal device can determine the corresponding beam scanning mechanism according to the value of the indication domain when receiving the indication information.
  • the network device generates configuration information and transmits the configuration information to the terminal device.
  • the configuration information is used to configure a plurality of beam scanning mechanisms, and specifically includes a correspondence between different values of the indication domain and the beam scanning mechanism, and then the network device indicates one of the beam scanning mechanisms by using the indication information.
  • the terminal device receives the indication information, the beam scanning mechanism indicated by the indication information is determined according to the correspondence relationship included in the configuration information.
  • the foregoing configuration information is sent by using radio resource control signaling.
  • the embodiment of the present application provides another beam scanning indication method, including:
  • Step 1 The terminal device receives the indication information from the network device, where the indication information is used to indicate a beam scanning mechanism, and the beam scanning mechanism is one of multiple beam scanning mechanisms.
  • Step 2 The terminal device determines the indicated beam scanning mechanism according to the indication information.
  • the embodiment of the present application provides a terminal device, including a transceiver unit and a processing unit, where the transceiver unit receives indication information from the network device, where the indication information is used to indicate a beam scanning mechanism, and the indicated beam scanning mechanism is multiple.
  • the processing unit is configured to determine the indicated beam scanning mechanism according to the indication information.
  • the embodiment of the present application provides a terminal device, including at least one processing element and at least one storage element, wherein at least one storage element is used to store a program and data, and at least one processing element is used to execute the seventh embodiment of the present application.
  • the embodiment of the present application provides a terminal device, including at least one circuit or chip, where the at least one circuit or chip is configured to perform the method of the foregoing seventh aspect.
  • an embodiment of the present application provides a communication program, which is used by the processor to perform the method of the above seventh aspect.
  • the embodiment of the present application provides a program product, such as a computer readable storage medium, in which the program of the eleventh aspect is stored.
  • the terminal device determines the beam scanning mechanism indicated by the indication information when the indication information is received, so that the terminal device performs the receiving beam scanning and the related according to the indicated beam scanning mechanism.
  • Other operations can solve the problem of inefficient implementation of existing beam scanning techniques.
  • the terminal device reports a value to the network device according to the indication information, so that the network device configures at least one of resource configuration information or report configuration information according to the value.
  • the value may be the number of receiving beams.
  • the terminal device reports a value interval to the network device according to the indication information, so that the network device configures at least the resource configuration information or the report configuration information according to the value interval.
  • the numerical interval may be a receiving beam number interval.
  • the terminal device sends a transmit beam scan request to the network device according to the indication information, where the transmit beam scan request is used to request the network device to stop the current transmit beam scan, or After the current transmit beam scan, the next transmit beam scan is triggered, thereby implementing the terminal device assisted network device to perform beam scan.
  • the terminal device associates the preset threshold with the beam scan according to the indication information, and selects a corresponding receiving beam to participate in the beam scanning according to the preset threshold. Reporting the terminal device can save the reporting overhead.
  • the foregoing indication information is carried in physical layer signaling.
  • the physical layer signaling is downlink control information, that is, the indication information is indicated by a related indication field in the downlink control information.
  • the protocol may pre-define the correspondence between the different values of the indication domain and the beam scanning mechanism.
  • the terminal device may determine the corresponding beam scanning mechanism according to the value of the indication domain.
  • the terminal device receives the configuration information from the network device, where the configuration information is used to configure multiple beam scanning mechanisms, and the different values and beams of the indication domain are specifically configured. The correspondence between scanning mechanisms.
  • the terminal device may store the configuration information, so that when the indication information is received, the beam scanning mechanism indicated by the indication information is determined according to the configuration information.
  • the foregoing configuration information is carried in the radio resource control signaling.
  • the embodiment of the present application further provides a beam scanning mechanism configuration method, including: the network device generates configuration information, where the configuration information is used to configure multiple beam scanning mechanisms, and the network device sends the configuration information to the terminal device; the terminal device receives the configuration information.
  • the information is configured, it is stored, so that when the indication information is subsequently received, the beam scanning mechanism indicated by the indication information is determined according to the configuration information.
  • the embodiment of the present application further provides a network device corresponding to the method.
  • the network device includes a processing unit and a transceiver unit, the processing unit is configured to generate configuration information, and the transceiver unit is configured to send configuration information to the terminal device.
  • the network device includes at least one processing element and at least one storage element, wherein at least one storage element is for storing programs and data, and at least one processing element is for performing a method on the network device side of the method.
  • the network device includes at least one circuit or chip for performing the method on the network device side of the method.
  • the embodiment of the present application further provides a communication program, which is used by the processor to execute the method on the network device side in the method.
  • the embodiment of the present application further provides a program product, such as a computer readable storage medium, in which a program for executing a network device side method in the method is stored.
  • the embodiment of the present application further provides a terminal device corresponding to the method.
  • the terminal device includes a processing unit and a transceiver unit, the transceiver unit is configured to receive configuration information, and the processing unit is configured to control storage of the configuration information.
  • the terminal device comprises at least one processing element and at least one storage element, wherein at least one storage element is for storing programs and data, and at least one processing element is for performing a method on the terminal device side of the method.
  • the network device includes at least one circuit or chip for performing the method on the terminal device side of the method.
  • the embodiment of the present application further provides a communication program, which is used by the processor to execute the method on the terminal device side in the method.
  • the embodiment of the present application further provides a program product, such as a computer readable storage medium, in which a program for executing a terminal device side method in the method is stored.
  • the network device sends configuration information to the terminal device by using radio resource control signaling.
  • the network device after the network device sends the configuration information, the network device generates the indication information, and sends the indication information to the terminal device, where the indication information is used to indicate a beam scanning mechanism, where the indicated beam scanning mechanism is configuration information.
  • the indication information is used to indicate a beam scanning mechanism, where the indicated beam scanning mechanism is configuration information.
  • the embodiment of the present application further provides a beam scanning indication method, including: a network device generating indication information, where the indication information is used to indicate that the terminal device reports the number of receiving beams or the number of receiving beams, and the network device sends the indication information to the terminal device; The device receives the indication information, and reports the number of received beams or the number of received beams to the network device according to the indication information, so that the network device configures at least one of resource configuration information or report configuration information according to the number of received beams or the number of received beams.
  • the embodiment of the present application further provides a network device corresponding to the method.
  • the network device includes a processing unit and a transceiver unit, and the processing unit is configured to generate indication information, where the indication information is used to indicate that the terminal device reports the number of received beams or the number of received beams, and the transceiver unit is configured to send the information to the terminal device.
  • the indication information includes at least one processing element and at least one storage element, wherein at least one storage element is for storing programs and data, and at least one processing element is for performing a method on the network device side of the method.
  • the network device includes at least one circuit or chip for performing the method on the network device side of the method.
  • the embodiment of the present application further provides a communication program, which is used by the processor to execute the method on the network device side in the method.
  • the embodiment of the present application further provides a program product, such as a computer readable storage medium, in which a program for executing a network device side method in the method is stored.
  • the embodiment of the present application further provides a terminal device corresponding to the method.
  • the terminal device includes a processing unit and a transceiver unit, and the transceiver unit is configured to receive indication information, and the processing unit is configured to report, according to the indication information, a number of receiving beams or a receiving beam number interval to the network device.
  • the terminal device comprises at least one processing element and at least one storage element, wherein at least one storage element is for storing programs and data, and at least one processing element is for performing a method on the terminal device side of the method.
  • the network device includes at least one circuit or chip for performing the method on the terminal device side of the method.
  • the embodiment of the present application further provides a communication program, which is used by the processor to execute the method on the terminal device side in the method.
  • the embodiment of the present application further provides a program product, such as a computer readable storage medium, in which a program for executing a terminal device side method in the method is stored.
  • the number of the received beams is less than or equal to the number of the received beams of the terminal device, and the maximum value of the received beam number interval is less than or equal to the rated receive beam number of the terminal device.
  • the number of the rated receiving beams of the terminal device refers to the maximum number of receiving beams that the terminal device can support.
  • the number of the rated receiving beams of the terminal device has a certain correlation with the number of the rated transmitting beams of the terminal device, and the correlation may be equal. Or proportional relationship and so on.
  • the embodiment of the present application further provides a beam scanning method, including: the terminal device generates a transmit beam scan request indication, and sends a transmit beam scan request indication to the network device; the network device receives the transmit beam scan request indication, and performs the indication according to the transmit beam scan request indication. Corresponding transmit beam scanning operation, so that the terminal equipment auxiliary network device performs beam scanning.
  • the embodiment of the present application further provides a network device corresponding to the method.
  • the network device includes a processing unit and a transceiver unit, and the transceiver unit is configured to receive a transmit beam scan request indication sent by the terminal device, where the processing unit is configured to perform a corresponding transmit beam scan operation according to the transmit beam scan request indication.
  • the network device includes at least one processing element and at least one storage element, wherein at least one storage element is for storing programs and data, and at least one processing element is for performing a method on the network device side of the method.
  • the network device includes at least one circuit or chip for performing the method on the network device side of the method.
  • the embodiment of the present application further provides a communication program, which is used by the processor to execute the method on the network device side in the method.
  • the embodiment of the present application further provides a program product, such as a computer readable storage medium, in which a program for executing a network device side method in the method is stored.
  • the embodiment of the present application further provides a terminal device corresponding to the method.
  • the terminal device includes a processing unit and a transceiver unit, and the processing unit is configured to generate a transmit beam scan request indication, where the transceiver unit is configured to send a transmit beam scan request indication to the network device.
  • the terminal device comprises at least one processing element and at least one storage element, wherein at least one storage element is for storing programs and data, and at least one processing element is for performing a method on the terminal device side of the method.
  • the network device includes at least one circuit or chip for performing the method on the terminal device side of the method.
  • the embodiment of the present application further provides a communication program, which is used by the processor to execute the method on the terminal device side in the method.
  • the embodiment of the present application further provides a program product, such as a computer readable storage medium, in which a program for executing a terminal device side method in the method is stored.
  • the network device stops the current transmit beam scan according to the transmit beam scan request indication, or triggers the next transmit beam scan after the current transmit beam scan, so that the terminal device auxiliary network device terminates the current transmit beam scan. Or trigger the beam scan again.
  • the network device stops, according to the transmit beam scanning request, that the current transmit beam scan is stopped when the current beam scan period type is a semi-persistent type, so that the terminal device auxiliary network device terminates the current transmit beam scan.
  • the period type of the current beam scan is a non-period type
  • the next transmit beam scan is triggered, so that the terminal equipment auxiliary network device triggers the beam scan again.
  • FIG. 1 is a schematic diagram of a network architecture to which an embodiment of the present application is applied;
  • FIG. 2 is a schematic flowchart of a beam scanning indication method according to an embodiment of the present disclosure
  • FIG. 3 is a flowchart of an example provided by an embodiment of the present application.
  • FIG. 4 is a flowchart of another example provided by an embodiment of the present application.
  • FIG. 5 is a flowchart of still another example provided by an embodiment of the present application.
  • FIG. 6 is a flowchart of still another example provided by an embodiment of the present application.
  • FIG. 7 is a schematic flowchart of a method for configuring a beam scanning mechanism according to an embodiment of the present disclosure
  • FIG. 8 is a schematic flowchart diagram of a beam scanning method according to an embodiment of the present disclosure.
  • FIG. 9 is a simplified schematic diagram 1 of a device according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • Figure 11 is a simplified schematic diagram 2 of the device provided by the embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a network device according to an embodiment of the present application.
  • Terminal equipment also known as user equipment (UE), mobile station (MS), mobile terminal (MT), etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • Devices for example, handheld devices with wireless connectivity, in-vehicle devices, and the like.
  • terminals are: mobile phones, tablets, laptops, PDAs, mobile internet devices (MIDs), wearable devices, virtual reality (VR) devices, augmented reality.
  • MIDs mobile internet devices
  • VR virtual reality
  • augmented reality, AR wireless terminals in industrial control, wireless terminals in self driving, wireless terminals in remote medical surgery, smart grid Wireless terminals, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, and the like.
  • a radio access network is a part of a network that connects a terminal to a wireless network.
  • a RAN node (or device) is a node (or device) in a radio access network, which may also be referred to as a base station.
  • RAN nodes are: gNB, transmission reception point (TRP), evolved Node B (eNB), radio network controller (RNC), and Node B (Node).
  • B, NB base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit , BBU), station (station, STA), wireless fidelity (Wifi) or access point (AP).
  • the RAN may include a centralized unit (CU) node and a distributed unit (DU) node.
  • CU centralized unit
  • DU distributed unit
  • This structure separates the protocol layer of the eNB in the long term evolution (LTE) system, and the functions of some protocol layers are centrally controlled in the CU, and the functions of the remaining part or all of the protocol layers are distributed in the DU by the CU. Centrally control the DU.
  • LTE long term evolution
  • Multiple means two or more, and other quantifiers are similar. "and/or”, describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the character "/" generally indicates that the contextual object is an "or" relationship.
  • the network architecture may be a network architecture of a wireless communication system, and may include a terminal device and a network device. It should be noted that the number and the configuration of the terminal device and the network device shown in FIG. 1 do not constitute a limitation on the embodiment of the present application. In an actual application, one network device may connect multiple terminal devices.
  • the network device can be connected to a core network device, which is not shown in FIG.
  • the network device may be a base station, and the base station may include a baseband unit (BBU) and a remote radio unit (RRU).
  • BBU baseband unit
  • RRU remote radio unit
  • the BBU and the RRU can be placed in different places, for example, the RRU is pulled away, placed in an open area from high traffic, and the BBU is placed in the central computer room. BBUs and RRUs can also be placed in the same room. The BBU and RRU can also be different parts under one rack.
  • the wireless communication system mentioned in the embodiments of the present application includes, but is not limited to, a narrow band-internet of things (NB-IoT), and a global system for mobile communications (GSM).
  • GSM global system for mobile communications
  • EDGE Enhanced data rate for GSM evolution
  • WCDMA wideband code division multiple access
  • CDMA2000 code division multiple access
  • TD-SCDMA Time division-synchronization code division multiple access
  • LTE long term evolution
  • future mobile communication system includes, but is not limited to, a narrow band-internet of things (NB-IoT), and a global system for mobile communications (GSM).
  • EDGE Enhanced data rate for GSM evolution
  • WCDMA wideband code division multiple access
  • CDMA2000 code division multiple access
  • TD-SCDMA Time division-synchronization code division multiple access
  • LTE long term evolution
  • future mobile communication system future mobile communication system.
  • the network device is a device deployed in a radio access network to provide a wireless communication function for a user equipment.
  • the network device may include various forms of macro base stations, micro base stations (also referred to as small stations), relay stations, access points, TRPs, and the like.
  • the names of devices with base station functions may be different, for example, in LTE systems, called eNBs or eNodeBs, in third-generation (3rd generation, 3G) systems. , called NB and so on.
  • eNBs or eNodeBs in third-generation (3rd generation, 3G) systems.
  • 3G third-generation
  • the foregoing devices for providing wireless communication functions to user equipment are collectively referred to as network devices.
  • the terminal devices involved in the embodiments of the present application may include various handheld devices having wireless communication functions, in-vehicle devices, wearable devices, computing devices, or other processing devices connected to the wireless modem.
  • terminal devices For convenience of description, in all embodiments of the present application, user equipments connected to network devices are collectively referred to as terminal devices.
  • the beam management and the channel state information acquisition share a framework. Therefore, in the P-1, P-2, and P-3 phases, the base station needs to configure corresponding reference signal resources and reporting periods, and the like. The configuration information is notified to the UE through the framework, so that the UE performs measurement and reporting.
  • the base station can grasp the information such as the number of transmitting beams participating in the beam scanning, so that the base station can accurately configure the corresponding reference signal resource (CSI) under the framework allowed by the protocol. -RS resource(s)) and channel status information reporting (CSI reporting) period, etc.
  • CSI reference signal resource
  • the UE From the perspective of the receiving beam of the UE side participating in the beam scanning, for each transmitting beam scanning, the UE uses the same receiving beam to receive, so that one or more transmitting beams with the best receiving quality corresponding to the receiving beam can be determined.
  • the UE uses another receive beam reception to determine one or more transmit beams with the best reception quality corresponding to the receive beam.
  • the UE traverses all the received beams to determine the best received transmit beam and its corresponding receive beam, reports the transmit beam to the base station, and records the receive beam corresponding to the transmit beam.
  • the UE may feed back the beam scanning result to the base station through the channel state information reporting.
  • the base station does not need to configure corresponding UCI resources for the UE for each transmit beam scan, and can configure one UCI resource for multiple transmit beam scans, where the number of transmit beam scans can be equal to the number of receive beams of the UE.
  • the base station should accurately control the number of repetitions of the transmission beam scanning, that is, the number of repetitions of the corresponding CSI-RS resources. Therefore, in these cases, it is necessary for the base station to know the number of UE received beams.
  • the base station does not know the number of UE received beams.
  • the embodiment of the present application provides a beam scanning indication method and a device thereof, and the network device instructs the terminal device to perform a beam scanning mechanism by using the indication information, and specifically, the terminal device may be instructed to perform one of multiple beam scanning mechanisms.
  • the terminal device obtains the indication information, and can determine which beam scanning mechanism is to be performed. If the beam scanning mechanism involves reporting, the UE can determine the reporting timing, the reporting path, the reporting format, and the like, which are agreed by the protocol.
  • the beam scanning mechanism may include, but is not limited to:
  • One of the implementations of the beam scanning mechanism may be that the base station triggers the UE to report a value, and the base station refers to the value to determine the CSI-RS resource required by the UE to receive the beam scanning or the period of the corresponding CSI reporting.
  • the value that the base station triggers the UE to report is uniformly described as the number of receiving beams in the embodiment of the present application, but it may correspond to any one of the following technical ones: for example, the base station transmitting beam corresponds to The number of repetitions of the CSI-RS resource; for example, the number of repetitions of a certain CSI-RS resource set, the CSI-RS resource set includes at least one CSI-RS resource, and the CSI-RS resource set
  • the base station transmit beams corresponding to the CSI-RS resources are different; for example, the number of CSI-RS resources required for the UE to receive the beam scan; for example, the number of CSI-RS resources in a certain CSI-RS resource set, the CSI-RS resources
  • the base station transmit beams corresponding to the CSI-RS resources are the same; for example, the reference coefficients of the CSI reporting period, the reference coefficients of the period correspond to the number of UE received beams, or the number of repetitions of CSI-RS resources corresponding to the
  • the technical nature of the number of received beams may also correspond to the number of UE transmit beams, or the number of sounding reference signal (SRS) resources used for UE transmit beam scanning.
  • SRS sounding reference signal
  • the number of transmit beams of the UE and the number of receive beams have a clear correlation, such as equality, or a certain proportional relationship, and the association is at least known to the base station.
  • the manner of determining the relevance is not the content of the present invention and is not limited herein.
  • the number of the received beams is less than or equal to the number of received beams of the UE.
  • the number of nominal receive beams of the UE refers to the maximum number of receive beams that the UE can support.
  • the number of nominal receive beams of the UE is also related to the number of nominal transmit beams of the UE.
  • the second implementation of the beam scanning mechanism may be that the base station triggers the UE to report a value interval, and the base station refers to the value interval to determine the CSI-RS resource required by the UE to receive the beam scanning or the period of the corresponding CSI reporting.
  • the value interval that the base station triggers the UE to report is uniformly described in the embodiment of the present application as the receive beam number interval. It should be understood that the difference between the number of receive beams and the number of receive beams is only that the former is a value interval, and one value interval may include multiple receive beams, which can save the reported signaling overhead. The technical nature of the number of receive beams will not be described here.
  • the maximum value of the receive beam number interval is less than or equal to the UE's rated receive beam number.
  • the third implementation of the beam scanning mechanism may be that the base station indicates that the UE may report the transmit beam scan request command according to the need, and the base station may terminate the current transmit beam scan according to the reported request command, or trigger the transmit beam scan again.
  • the base station only needs to configure the CSI-RS resource corresponding to the transmit beam of the base station, and does not need to know the received beam quantity information of the UE.
  • the base station may configure the CSI-RS resource corresponding to the transmit beam to perform periodic repeated transmission.
  • the UE may perform measurement through one of the receive beams, and wait for the UE to scan all the required receive beams. Then, by requesting the transmitting beam scanning request command, the base station is requested to stop the periodic repeated transmission of the transmitting beam, and after receiving the request instruction for terminating the current transmitting beam scanning, the base station may select to terminate the periodic repeatability of the transmitting beam immediately or later. scanning.
  • the base station can trigger the transmission of the CSI-RS resource corresponding to the one-time transmission beam.
  • the UE can only select one of the receive beams for measurement. If the UE has other receive beams to be scanned, the UE can report the transmit beam scan request.
  • the instruction requests the base station to trigger the transmit beam scanning again, and after receiving the re-triggering the transmit beam scan request command, the base station may select to trigger the scan of the transmit beam again or later.
  • the fourth implementation of the beam scanning mechanism may be: the base station indicates the UE, the number of available receiving beams is a known value, and the required CSI-RS resources or corresponding CSI reports are configured according to the known value. cycle. At the same time, the UE does not need to report, and this known value is used as a threshold, and the corresponding receiving beam is selected to participate in beam scanning.
  • the known value may be a value agreed by the protocol, and the base station and the UE are both well-known, and do not need any signaling interaction; or may be a value configured by the base station, and the base station needs to notify the downlink signaling in advance.
  • the UE may also be a value corresponding to the beam scanning capability reported by the UE through the capability, and the value may be a value corresponding to the UE receiving the beam scanning capability. In some implementation methods, the value corresponding to the UE transmitting beam scanning capability may also be used.
  • the UE receives the indication of the base station, and the threshold is obtained. If the number of the receiving beams of the UE is less than or equal to the threshold, the UE may select all or part of the receiving beams to participate in the beam scanning. If the number of receiving beams of the UE is greater than the threshold, the UE may only select a part. The receive beam participates in beam scanning.
  • the embodiment of the present application does not limit the specific implementation manner of the beam scanning mechanism. Except for some possible implementations listed above, other implementations that are not provided with creative labor are supposed to belong to the protection scope of the embodiments of the present application.
  • FIG. 2 is a schematic flowchart of a beam scanning indication method according to an embodiment of the present disclosure. The method is introduced from the perspective of interaction between a network device and a terminal device, and the method may include, but is not limited to:
  • Step S201 The network device generates indication information, where the indication information is used to indicate a beam scanning mechanism.
  • the beam scanning mechanism indicated by the indication information is one of multiple beam scanning mechanisms.
  • the network device may generate indication information according to the scenario or requirement, and the beam scanning mechanism indicated by different indication information is different.
  • Step S202 The network device sends the indication information to the terminal device; correspondingly, the terminal device receives the indication information from the network device.
  • the network device may send the indication information to the terminal device by using physical layer signaling, that is, the indication information is carried in the physical layer signaling.
  • the physical layer signaling may be downlink control information
  • the downlink control information may be DCI (downlink control information) or downlink control information in a future communication system.
  • DCI downlink control information
  • the downlink control information in all the embodiments of the present application is described by taking DCI as an example.
  • the indication information corresponds to an indication field of the DCI, and the network device sends the indication information to the terminal device by configuring a value corresponding to the indication domain of the DCI.
  • a correspondence between different values of the indication domain in the DCI and the described beam scanning mechanism is predefined in the protocol, in other words, for the network device and the terminal device, the foregoing correspondence is known. It was written into the product before leaving the factory.
  • the protocol can also pre-define the number of bits that indicate the domain is occupied in the DCI. Assuming that the indication field occupies 2 bits in the DCI, the network device can indicate four beam scanning mechanisms by using four values of “00”, “01”, “10” and “11”. The specific correspondence can be seen in Table 1 below.
  • the four terminal behaviors described in Table 1 are different from each other, and the correspondence between the different values of the indication domain and the described beam scanning mechanism does not constitute a limitation on the embodiments of the present application.
  • the network device can indicate two beam scanning mechanisms by using two values of “0” “1”, indicating that the number of bits occupied by the domain in the DCI depends on the specific situation.
  • the network device indicates, by using the indication information, one of the multiple beam scanning mechanisms, so that the terminal device determines the indicated beam scanning mechanism, and performs the receiving beam scanning and other related operations after the determining, that is, after the determining Indicated beam scanning mechanism.
  • the specific location of the indication domain in the DCI is not limited in the embodiment of the present application.
  • the correspondence between the different values of the indicator fields in the DCI and the described beam scanning mechanism is configured by the network device.
  • the network device generates configuration information, where the configuration information is used to configure multiple beam scanning mechanisms, and is sent by the network device to the terminal device through radio resource control (RRC) signaling.
  • RRC radio resource control
  • the network device can configure "0" "1" two values to indicate 2 beam scanning mechanisms. It can be understood that, at different moments, the network device can configure the correspondence between the same 1-bit indication information and different beam scanning mechanisms.
  • the network device configures a 1-bit indication information corresponding to the beam scanning mechanism 1 and the beam scanning mechanism 2, and delivers the information through the RRC.
  • the network device may indicate the beam scanning mechanism 1 or 2 by the value configuration of the indication field in the DCI before the RRC reconfiguration. The specific correspondence can be seen in Table 2 below.
  • the network device configures a 1-bit indication information corresponding to the beam scanning mechanism 1 and the beam scanning mechanism 3, and delivers the information through the RRC.
  • the network device may indicate the beam scanning mechanism 1 or 3 by the value configuration of the indication field in the DCI before the RRC reconfiguration. The specific correspondence can be seen in Table 3 below.
  • the network device allocates a 1-bit indication information corresponding to the beam scanning mechanism 4 and the beam scanning mechanism 3 through the RRC, and delivers the information through the RRC.
  • the network device may indicate the beam scanning mechanism 4 or 3 by the value configuration of the indication field in the DCI before the RRC reconfiguration. The specific correspondence can be seen in Table 4 below.
  • the specific location occupied by the indication domain in the DCI is not limited in the embodiment of the present application, and the indication domain occupies 1 bit for example only. In practical applications, 2 bits can be occupied.
  • the indication field indicates the four beam scanning mechanisms configured by the RRC, indicating that the number of bits occupied by the domain in the DCI depends on the specific situation.
  • the network device can be flexibly configured through RRC signaling, and the DCI dynamic indication indicates that the number of bits occupied by the domain is related to the number of beam scanning mechanisms configured by the RRC, and the DCI indication can be saved compared with the predefined manner of the protocol. Overhead. For example, for the same four beam scanning mechanisms, the indication field in Table 2 - Table 4 occupies 1 bit, while the indication field in Table 1 occupies 2 bits.
  • Step S203 The terminal device determines the indicated beam scanning mechanism according to the indication information.
  • the terminal device determines the indicated beam scanning mechanism according to the indication information, that is, selects the indicated one of the plurality of beam scanning mechanisms according to the indication information. Then, the terminal device performs receiving beam scanning and other related operations according to the determined beam scanning mechanism, that is, performs a corresponding beam scanning mechanism. For example, the terminal device may report a value representing the number of receiving beams according to different indication information, and may report a value interval including the number of receiving beams, and may report the beam scanning request command, or may not report.
  • the network device instructs the terminal device to determine the beam scanning mechanism indicated by the indication information by the indication information, so as to perform a corresponding beam scanning mechanism after the determination.
  • the indication information is used to indicate that the terminal device reports the number of received beams to the network device, and one of the implementation manners of the corresponding beam scanning mechanism.
  • This example is introduced from the perspective of interaction between a network device and a terminal device, and may include, but is not limited to:
  • Step S301 The network device generates indication information, where the indication information is used to instruct the terminal device to report a value to the network device.
  • the indication information is used to indicate that the terminal device reports a value, which is collectively referred to as the number of receiving beams in the embodiment of the present invention.
  • a value which is collectively referred to as the number of receiving beams in the embodiment of the present invention.
  • Step S302 The network device sends the indication information to the terminal device; correspondingly, the terminal device receives the indication information from the network device.
  • the beam scanning mechanism indicated by the indication information is a value reported, which may correspond to any one of the beam scanning mechanisms 1-4 described in Table 1, and it is assumed that the field “00” is indicated in Table 1.
  • the indicated beam scanning mechanism 1 is to report a value, that is, the number of receiving beams, and the specific correspondence can be seen in Table 1.1 below.
  • the network device configures a 1-bit indication beam scanning mechanism 1 and a beam scanning mechanism 2 at a time T1 of a longer period, and is delivered by RRC.
  • the beam scanning mechanism indicated by the indication information is a value reported, which may correspond to any one of the beam scanning mechanisms 1 and 2 described in Table 2, assuming that the beam scanning mechanism 1 indicated by the indication field “0” in Table 2 is To report a value, that is, the number of receiving beams, the specific correspondence can be seen in Table 2.1 below.
  • the beam scanning mechanism has only one type, that is, the indication information can only indicate that the terminal device reports the number of receiving beams, and the network device can indicate by using a default value of the indication field, for example, a default value of “1” indicates that the receiving is received.
  • the number of beams, "0" indicates no processing or other purposes.
  • Step S303 The terminal device sends the value to the network device; correspondingly, the network device receives the value from the terminal device.
  • the value is the number of receive beams.
  • the option of the number of receive beams is indicated by the K1 bit, and the K1 bit can be carried by the uplink control information, that is, the number of receive beams is carried in the uplink control information.
  • the uplink control information may be UCI (uplink control information) or uplink control information in a future communication system.
  • the uplink control information in all the embodiments of the present application is described by taking UCI as an example.
  • the specific value of the K1 bit, and the correspondence between the value of the K1 bit and the number of receiving beams are not limited in the embodiment of the present application.
  • the K1 bit is 3 bits, and the correspondence between the value and the number of receiving beams can be as shown in Table 5 below.
  • the number of receiving beams is arranged in descending order to obtain an arithmetic progression.
  • the tolerance of the series is zero.
  • the K1 bit is 2 bits, and the correspondence between the value and the number of receiving beams can be as shown in Table 6 below, and the number of each receiving beam is arranged in the order of being small to large to obtain a geometric progression.
  • the ratio of the ratio to the number of columns is 2.
  • the terminal device selects a value that is closest to the demand according to the actual situation, for example, the terminal device actually has three receiving beams, and can selectively report “01”, that is, the number of reported receiving beams is 2
  • the network device can be configured according to the value 2, and the terminal device can select two of the actual three receiving beams for beam scanning; and can selectively report "10", that is, the number of reported receiving beams is 4, and the network device can be based on the value 4
  • the configuration is performed, and the terminal device uses the actual three receiving beams for beam scanning, so that there is a certain waste of resources.
  • the maximum number of receive beams supported by Table 5 is 8.
  • Table 6 also supports the maximum number of received and received reports to be 8, but Table 6 requires 2 bits, and Table 5 requires 3 bits. Therefore, the implementation of Table 6 can save DCI overhead.
  • the number of columns in which the number of receiving beams is arranged from small to large may be an arithmetic progression column, an equal ratio sequence, an even sequence, an odd sequence or a power column, etc., or may be a protocol predefined 2 K1
  • the irregular value is not limited in the embodiment of the present application, and the specific values of the tolerance and the common ratio are not limited in the embodiment of the present application.
  • the K1 bit is 2 bits, and the correspondence between the value and the number of received beams can be as shown in Table 7 below.
  • N is the number of receiving beams that the terminal device sends to the network device through the terminal capacity (UE capacity) information, that is, the maximum receiveable polling beam value supported by the terminal device.
  • the terminal device capability information is sent by the terminal device to the network device in the initial access process, including the maximum number of receiving beams supported by the terminal device, and other capability information of the terminal device, for example, the evolved universal terrestrial wireless access.
  • EUTRA electronic universal terrestrial radio access
  • UTRA universal terrestrial radio access
  • GRAN-CS general radio access network circuit switch
  • GRAN-PS universal radio access Generic radio access network packet switch
  • RTT radio transmission technology
  • the "00" in Table 7 indicates that the network device is configured according to the beam value included in the terminal device capability information, and the terminal device performs beam scanning according to the maximum number of received beams.
  • the number of receiving beams corresponding to each of "01", “10", and “11” in Table 3 does not constitute a limitation on the embodiment of the present application. For the same reason, 1, 2, and 4 are discontinuous, so the terminal device selects the demand according to the actual situation. The closest value is reported and will not be described here.
  • the K1 bit is 2 bits
  • the correspondence between the value and the number of receiving beams can be as shown in Table 8 below, and the difference from Table 7 is that the number of each receiving beam is equal to the capability of the terminal device.
  • the maximum number of receiving beams included in the information is related to the maximum number of receiving beams, and different proportional relationships are adopted, so that each terminal device can adjust the number of reported receiving beams according to its maximum capacity.
  • the proportional relationship in Table 8 does not constitute a limitation on the embodiments of the present application.
  • the network device is instructed to perform configuration according to 4, and the terminal device selects 4 receive beams from the maximum supported 8 receive beams for beam scanning.
  • Step S304 The network device configures at least one of resource configuration information and report configuration information according to the value.
  • the network device configures at least one of resource configuration information and report configuration information according to the number of received beams. Since the network device can know the information of the transmit beam of the beam scanning, for example, the number, etc., the network device can configure the resource configuration according to the number of received beams and the number of its transmit beams when receiving the number of receive beams sent by the terminal device ( Resource setting) At least one of information or reporting setting information. It should be noted that, in addition to configuring at least one of resource configuration information and reporting configuration information, the network device may further configure other information according to the number of received beams.
  • the resource configuration information may be reference signal resource configuration information, and the number of received beams may be associated with at least one of a number of reference signal resources, a repetition number of reference signal resources, or a beam scanning period type.
  • the reference signal may be a reference signal such as a CSI-RS or a demodulation reference signal (DMRS).
  • the network device needs to determine the number of repetitions of the CSI-RS resource set representing the transmit beam according to the number of received beams of the UE; or the network device needs to determine the CSI-RS resource. repeat times.
  • the network device needs to configure the number of CSI-RS resources in one CSI-RS resource set according to the number of received beams of the UE; or the network device needs to configure CSI-RS resources. The number of repetitions of the set.
  • the number of repetitions is the minimum number of repetitions (the minimum number of resources), that is, in order to meet the requirement of the UE to receive beam scanning
  • the network device may be configured to be larger than the number of repetitions (the number of resources).
  • the value that the base station triggers the UE to report is uniformly described as the number of receiving beams in the embodiment of the present application, but it may correspond to any one of the following technical ones: for example, the base station transmitting beam corresponds to The number of repetitions of the CSI-RS resource; for example, the number of repetitions of a certain CSI-RS resource set, the CSI-RS resource set includes at least one CSI-RS resource, and the CSI-RS resource set
  • the base station transmit beams corresponding to the CSI-RS resources are different; for example, the number of CSI-RS resources required for the UE to receive the beam scan; for example, the number of CSI-RS resources in a certain CSI-RS resource set, the CSI-RS resources
  • the base station transmit beams corresponding to the CSI-RS resources are the same; for example, the reference coefficients of the CSI reporting period, the reference coefficients of the period correspond to the number of UE received beams, or the number of repetitions of CSI-RS resources corresponding to the
  • the beam scanning period type can be used to indicate periodic beam scanning, semi-persistent beam scanning, or aperiodic beam scanning. For example, if the transmit beam value is 4 and the number of receive beams is 2, the network device can configure 8 different CSI-RS resources, and correspondingly, aperiodic beam scan can be used, in which different CSI-RS resources represent different Transceiver beam pairs; 4 different CSI-RS resources can also be configured, and the CSI-RS resources are additionally repeated once in time, corresponding to semi-persistent beam scanning, where different CSI-RS resource representatives are used. Different transmit beams; two different CSI-RS resources can also be configured. The CSI-RS resources are additionally repeated three times in time, and different CSI-RS resources represent different receive beams.
  • the reporting configuration information may include at least one of a reporting period or a reporting parameter.
  • the reporting period may be used to instruct the terminal device to report the measurement report when the traversal round scan is completed.
  • the transmit beam value is 4, the number of receive beams is 2, and the traversal round scan scan refers to the transmit and receive beams. There are a total of 8 different combined scans.
  • the network device can instruct the terminal device to report a measurement report after completing a traversal round scan. If the network device fails to obtain the number of receiving beams, the reporting period can only be reported based on a certain polling period of the transmitting beam. That is, the terminal device reports a measurement report every time the four transmitting beams are swept. In contrast, the former approach saves reporting overhead.
  • the reporting parameter may include at least one of a reference signal receiving power (RSRP), a reference signal received quality (RSRQ), or a received signal strength indication (RSSI).
  • RSRP reference signal receiving power
  • RSRQ reference signal received quality
  • RSSI received signal strength indication
  • step S305 and step S306 are further included after step S304.
  • Step S305 The network device sends at least one of resource configuration information or report configuration information to the terminal device.
  • the terminal device receives at least one of resource configuration information or report configuration information from the network device.
  • the network device sends at least one of resource configuration information or report configuration information to the terminal device, so that the terminal device performs beam scanning according to at least one of resource configuration information and report configuration information.
  • Step S306 The terminal device performs beam scanning according to at least one of resource configuration information or report configuration information.
  • the terminal device determines at least one of the number of reference signal resources, the number of repetitions of the reference signal resources, or the type of the beam scanning period, according to the resource configuration information, and further performs beam scanning according to the determined information.
  • the terminal device reports the report based on the reported configuration information.
  • the network device may instruct the terminal device to report the number of received beams through the DCI, so that the terminal device reports to the network device with the support of the corresponding timing and reporting format, if the DCI indication is received.
  • the number of received beams if the reporting behavior is not indicated by the network device, but is reported by the terminal device autonomously, the protocol needs to reserve overhead for reporting the number of received beams in the uplink signaling. Therefore, the overhead of the uplink signaling in the embodiment described in FIG. 3 is configured on an as-needed basis, which saves signaling overhead compared to the reserved mode.
  • the indication information is used to indicate that the terminal device reports the receiving beam number interval to the network device, and the second implementation manner of the corresponding beam scanning mechanism.
  • This example is introduced from the perspective of interaction between a network device and a terminal device, and may include, but is not limited to:
  • Step S401 The network device generates indication information, where the indication information is used to instruct the terminal device to report a value interval to the network device.
  • the indication information is used to indicate that the terminal device reports a value interval.
  • the value interval is collectively referred to as the receiving beam number interval in the embodiment of the present invention. .
  • Step S402 The network device sends the indication information to the terminal device; correspondingly, the terminal device receives the indication information from the network device.
  • the beam scanning mechanism indicated by the indication information is a value interval reported, which may correspond to any one of the beam scanning mechanisms 1-4 described in Table 1, and the indication field "01" is assumed in Table 1.
  • the indicated beam scanning mechanism 2 is to report a numerical interval, that is, a receiving beam number interval, and the specific correspondence can be seen in Table 1.2 below.
  • Beam scanning mechanism 1 01 Report a numerical interval (receiving beam number interval) 10 Beam scanning mechanism 3 11 Beam scanning mechanism 4
  • the network device configures a 1-bit indication beam scanning mechanism 1 and a beam scanning mechanism 2 at a time T1 of a longer period, and is delivered by RRC.
  • the beam scanning mechanism indicated by the indication information is a value interval reported, which may correspond to any one of the beam scanning mechanisms 1 and 2 described in Table 2, assuming that the beam scanning mechanism indicated by the field "1" in Table 2 is indicated. 2 is to report a numerical interval, that is, the number of receiving beams, then the specific correspondence can be seen in Table 2.2 below.
  • the beam scanning mechanism has only one type, that is, the indication information can only indicate that the terminal device reports the receiving beam number interval, and the network device can indicate by using the default value of the indication domain, for example, the default value “1” indicates the reporting. Receive beam number interval, "0" indicates no processing or other purposes.
  • Step S403 The terminal device sends the value interval (received beam number interval) to the network device; correspondingly, the network device receives the value interval (received beam number interval) from the terminal device.
  • the option of the receive beam number interval can be indicated by the K2 bit, and the K2 bit can be carried by the uplink control information, that is, the number of receive beams is carried in the uplink control information.
  • the specific value of the K2 bit, and the correspondence between the value of the K2 bit and the receiving beam number interval are not limited in the embodiment of the present application.
  • the values of K2 and K1 may be the same and may not be the same.
  • the K2 bit is 1 bit
  • the correspondence between the value and the receiving beam number interval may be as shown in Table 9 below, and 1 bit is used to indicate two different numerical intervals, and the terminal device may according to the actual receiving beam.
  • the quantity selects one of the value intervals to report to the network device.
  • Some terminal devices have no beam scanning capability or weak beam scanning capability, and there is a great possibility that they fall within the range of [1, 2], and some terminals
  • the device beam scanning capability is strong, and there is a great possibility that it falls within the range of [3, 6].
  • Step S404 The network device configures at least one of resource configuration information and report configuration information according to the value interval.
  • the network device configures at least one of resource configuration information and report configuration information according to the receive beam number interval.
  • the protocol may stipulate, in the case of such numerical interval indication, which value to configure, for example, by default, the maximum value, or the average value.
  • the protocol convention is assumed to default to the maximum value in the value range.
  • the terminal device reports "0", and the network device can configure at least one of the resource configuration information or the configuration information according to the value "2" by default; the terminal device reports "1", and the network device can default to the value " 6" Configure at least one of resource configuration information or report configuration information.
  • step S405 and step S406 are further included after step S404.
  • Step S405 The network device sends at least one of resource configuration information or report configuration information to the terminal device.
  • the terminal device receives at least one of resource configuration information or report configuration information from the network device.
  • Step S406 The terminal device performs beam scanning according to at least one of resource configuration information or report configuration information.
  • the network device may instruct the terminal device to report the received beam number interval by using the DCI, so that the terminal device receives the DCI indication, and then the network device is supported by the corresponding timing and reporting format.
  • the reporting of the number of receiving beams is performed. If the reporting behavior is not indicated by the network device, but is reported by the terminal device, the protocol needs to reserve overhead for reporting the number of receiving beams in the uplink signaling. Therefore, the overhead of the uplink signaling in the embodiment described in FIG. 4 is on-demand, and the signaling overhead is saved compared to the reserved mode.
  • the network device is configured according to the number interval, which causes a certain amount of resources to be wasted.
  • the example shown in Figure 3 can also save the reporting overhead.
  • the network device defaults to a maximum of 2, and unless it encounters a terminal device that does not have the beam scanning capability, it does not waste resources;
  • the proportion of terminal devices [3, 6] in actual transmission may not be large. Therefore, as a whole, such an interval indication does not excessively waste the reference signal resources while saving the reporting overhead.
  • the indication information is used to indicate that the terminal device sends a scanning behavior request to the network device, and the implementation manner of the corresponding beam scanning mechanism is three.
  • This example is introduced from the perspective of interaction between a network device and a terminal device, and may include, but is not limited to:
  • Step S501 The network device generates indication information, where the indication information is used to instruct the terminal device to send a transmit beam scan request indication to the network device.
  • the network device may configure at least one of the resource configuration information and the report configuration information according to the condition of the transmit beam, without acquiring the receive beam quantity information of the terminal device.
  • the network device may configure the beam scanning period type to be semi-persistent beam scanning. At this time, the network device may need an auxiliary information to determine when to trigger a deactivation command to end the current beam scanning.
  • the network device may also configure the beam scanning period type to be aperiodic beam scanning. In this case, the network device may also need an auxiliary information to determine whether to continue to trigger aperiodic beam scanning.
  • the foregoing auxiliary information may be a transmission beam scanning request indication sent by the terminal device to the network device, and when the network device needs the auxiliary information, generate, generate, generate,,,,,,,,,,, Instructions.
  • Step S502 The network device sends the indication information to the terminal device; correspondingly, the terminal device receives the indication information from the network device.
  • the beam scanning mechanism indicated by the indication information is a transmitting beam beam scanning request indication, and may correspond to any one of the beam scanning mechanisms 1-4 described in Table 1, and the indication field in Table 1 is assumed.
  • the beam scanning mechanism 3 indicated by "10" is a transmission beam scanning request indication, and the specific correspondence can be seen in Table 1.3 below.
  • the network device configures a 1-bit indication beam scanning mechanism 1 and a beam scanning mechanism 3 at a time T2 of a longer period, and is delivered by RRC.
  • the beam scanning mechanism indicated by the indication information is a transmitting beam beam scanning request indication, which may correspond to any one of the beam scanning mechanisms 1 and 3 described in Table 3, assuming that the beam indicated by the field "1" in Table 3 is indicated.
  • Scanning mechanism 3 is to send a transmit beam scan request indication, then the specific correspondence can be seen in Table 3.1 below.
  • Step S503 The terminal device sends a transmit beam scan request indication to the network device; correspondingly, the network device receives the transmit beam scan request indication from the terminal device.
  • the transmit beam scan request indication is used to request the network device to stop the current transmit beam scan, or trigger the next transmit beam scan after the current transmit beam scan. Therefore, the transmit beam scan request may be divided into a continuous scan request or a stop scan request, and the resume scan request is used to request the network device to trigger the transmit beam scan again, that is, after the current transmit beam scan, trigger the next transmit beam scan; terminate the scan request. Used to request the network device to terminate the current transmit beam scan.
  • the transmit beam scan request may be carried in the uplink control information, and may be indicated by one bit in the UCI.
  • the two transmit beam scan requests are mutually independent indications, for example, requesting to continue scanning, the UCI carries the indication information “0”; the request is terminated, and the UCI carries the indication information “1”.
  • the transmit beam scan request may be carried in the uplink control information, and may be indicated by one bit in the UCI.
  • the specific indication manner refer to the following Table 11. At this point, the two transmit beam scan requests have different operations under different beam scan period types.
  • the network device does not know the number of beams received by the terminal device, it is assumed that a semi-persistent beam scan is configured, and a sufficiently long duration may be configured to ensure that the receiving beam of the terminal device can be sufficiently scanned.
  • the terminal device may send a transmit beam scan request to the network device after completing the round scan of the receive beam, where the request is used to request the network device to stop the currently still transmitting beam scan, and the network device may refer to the request.
  • the deactivation confirmation message is sent to terminate the semi-persistent beam scanning. Therefore, as shown in Table 11, when the beam scanning period type is semi-persistent, the request defaults to a deactivation request, and the termination request terminates the scanning request.
  • the receiving beam may send a transmit beam scanning request to the network device, where the request is used to request the network device to trigger an aperiodic beam scanning again, and the network device may refer to the request, issue a trigger instruction, and trigger the aperiodic again ( Aperiodic) scan, so as shown in Table 11, when the beam scanning period type is aperiodic, the request defaults to a trigger request, and the trigger request continues the scan request.
  • an indication of the transmit beam scan request can be implemented by using a value in the 1-bit indication field, as shown in Table 11, the indication in the UCI.
  • the field "1" indicates that the scan request is terminated when the beam scan type is semi-persistent, and the scan request is continued when the beam scan period type is aperiodic. That is, the same value of the indication domain can indicate two different transmit beam scan requests under two different beam scan period types.
  • the foregoing table 11 uses a value in the 1-bit indication field to indicate the transmit beam scanning request in the two different beam scanning period types, which is used as an example and does not limit the embodiment of the present application.
  • a 1-bit indication may be used.
  • a value in the domain indicates a transmit beam scan request for three different beam scan period types.
  • the content described in the one-bit indication field is not limited in the embodiment of the present application.
  • the value may indicate an operation, which may be for a terminal device or for a network device.
  • the content described by the value may be reserved, and will be supplemented by future protocols. As shown in Table 11, the content indicated by the indication field “0” is reserved.
  • Step S504 The network device performs a corresponding transmit beam scanning operation according to the transmit beam scan request indication.
  • the network device stops the current transmit beam scan according to the transmit beam scan request indication.
  • the network device instructs to trigger the next transmit beam scan after the current transmit beam scan according to the transmit beam scan request.
  • the network device performs a corresponding transmit beam scanning operation according to the transmit beam scan request indication by instructing the terminal device to send a transmit beam scan request indication, thereby implementing execution of the terminal device assisted network device side beam scan.
  • the indication information is used to indicate that the terminal device associates a preset threshold with beam scanning, and the fourth implementation manner of the corresponding beam scanning mechanism.
  • This example is introduced from the perspective of interaction between a network device and a terminal device, and may include, but is not limited to:
  • Step S601 The network device generates indication information, where the indication information is used to instruct the terminal device to associate the preset threshold with the beam scan.
  • the preset threshold is used to describe the number of receiving beams, which may be a value agreed by the protocol.
  • the base station and the UE are both well-known and do not need any signaling interaction; or may be a value configured by the base station, and the base station needs to notify the UE through downlink signaling in advance. It may also be a value corresponding to the beam scanning capability reported by the UE through the capability, and the value may be a value corresponding to the UE receiving beam scanning capability. In some implementation methods, the value corresponding to the UE transmitting beam scanning capability may also be used.
  • the network device configures at least one of resource configuration information or report configuration information according to a preset threshold. It can be understood that the network device uses a preset threshold for configuration. The network device needs to notify the terminal device by using the preset threshold to perform the configuration. On the one hand, it is equivalent to notifying the terminal device that no information is reported, and on the other hand, the terminal device performs beam scanning with the network device according to the preset threshold.
  • Step S602 The network device sends the indication information to the terminal device; correspondingly, the terminal device receives the indication information from the network device.
  • the beam scanning mechanism indicated by the indication information is to associate the preset threshold with the beam scanning, and may correspond to any one of the beam scanning mechanisms 1-4 described in Table 1, assuming that in Table 1.
  • the beam scanning mechanism 4 indicated by the indication field "11" associates the preset threshold with the beam scanning.
  • Table 1.4 The specific correspondence can be seen in Table 1.4 below.
  • Beam scanning mechanism 2 10 Beam scanning mechanism 3 11 Associate preset thresholds with beam scanning
  • the network device configures a 1-bit indication beam scanning mechanism 4 and a beam scanning mechanism 3 at a time T3 of a longer period, and is delivered by RRC.
  • the beam scanning mechanism indicated by the indication information associates the preset threshold with the beam scanning, and may correspond to any one of the beam scanning mechanisms 3 and 4 described in Table 4, assuming that the indication field "0" is indicated in Table 4.
  • the beam scanning mechanism 4 is to associate the preset threshold with the beam scanning, and the specific correspondence can be seen in Table 4.1 below.
  • the preset threshold 1 may be a protocol pre-defined.
  • the preset threshold 2 may be a value used by the terminal device capability information reported by the terminal device to the network device to describe the maximum receiving beam capability. It can be understood that different preset thresholds are associated with beam scanning corresponding to different beam scanning mechanisms, corresponding to different indication information.
  • the network device configures a 1-bit indicator beam scanning mechanism 4 and a beam scanning mechanism 3 at a time T3 of a longer period, and is delivered by RRC. It is assumed that the beam scanning mechanism 4 indicated by the field “0” in Table 4 associates the preset threshold 1 with the beam scanning, and the beam scanning mechanism 3 indicated by the indication field “1” associates the preset threshold 2 with the beam scanning. Then see Table 4.2 below.
  • the preset threshold 1 may be autonomously set by the network device and notified to the terminal device in advance, and the preset threshold 2 may be carried by the terminal device capability information reported by the terminal device to the network device during initial access to describe the maximum reception.
  • the value of the beam capacity It can be understood that different preset thresholds are associated with beam scanning corresponding to different beam scanning mechanisms, corresponding to different indication information.
  • Step S603 The terminal device associates the preset threshold with the beam scan according to the indication information, and performs beam scanning.
  • the terminal device associates the preset threshold with the beam scanning. It can be understood that the terminal device determines the number of receiving beams required for performing beam scanning according to the preset threshold.
  • the terminal device may learn that the network device uses the preset threshold preset by the protocol, and the terminal device associates the preset threshold with the beam scan to determine beam scanning. The number of received beams is required, and the network device is used for beam scanning according to the number of the received beams.
  • the terminal device may learn that the network device uses the preset threshold set by the autonomous setting and the pre-notification, and the terminal device associates the preset threshold with the beam scan to determine The number of receive beams required for beam scanning is performed, and the network device is used for beam scanning according to the number of the received beams.
  • the terminal device may learn that the network device uses the preset threshold value for describing the maximum receiving beam capability carried by the terminal device capability information, and the terminal device determines the preset.
  • the threshold is associated with the beam scan to determine the number of receive beams required for beam scanning, and the network device is used for beam scanning according to the number of received beams.
  • the terminal device selects a receive beam for beam scanning from the actual selectable receive beams to perform beam scanning with the network device.
  • the number of receive beams is not greater than a preset threshold.
  • the number of actually selectable receive beams is 6.
  • the preset threshold is 4.
  • the terminal device can select four receive beams from the six actual selectable receive beams to configure the network device to perform beam. Scanning; if the actual number of optional receiving beams is less than a preset threshold, the terminal device can poll all receiving beams.
  • the network device instructs the terminal device to determine a preset threshold, and performs beam scanning according to the preset threshold.
  • the reporting overhead may be saved.
  • FIG. 7 is a schematic flowchart of a method for configuring a beam scanning mechanism according to an embodiment of the present disclosure. The method is introduced from the perspective of interaction between a network device and a terminal device, and the method may include, but is not limited to:
  • Step S701 The network device generates configuration information, where the configuration information is used to configure multiple beam scanning mechanisms.
  • the configuration information is configured with a plurality of beam scanning mechanisms and a value of the indication domain corresponding to each beam scanning mechanism, that is, a correspondence between different values of the indication domain and the described beam scanning mechanism is configured.
  • the network device can generate different configuration information at different times. For details, refer to the detailed description of Table 2 to Table 4 in the embodiment shown in FIG. 2, and details are not described herein again.
  • Step S702 The network device sends configuration information to the terminal device; correspondingly, the terminal device receives the configuration information from the network device.
  • the network device sends configuration information to the terminal device through RRC signaling, that is, the configuration information is carried in the RRC signaling.
  • Step S703 The terminal device stores configuration information.
  • the terminal device stores the configuration information to determine the indicated beam scanning mechanism when receiving the indication information indicating one of the multiple beam scanning mechanisms, and then performs the receiving beam scanning according to the determined beam scanning mechanism. And other related operations.
  • Step S704 The network device generates indication information, where the indication information is used to indicate one of a plurality of beam scanning mechanisms.
  • Step S705 The network device sends the indication information to the terminal device; accordingly, the terminal device receives the indication information from the network device.
  • Step S706 The terminal device determines the indicated beam scanning mechanism according to the indication information.
  • the terminal device determines the indicated beam scanning mechanism according to the indication information, that is, selects the indicated one of the plurality of beam scanning mechanisms according to the indication information. Then, the terminal device performs the receive beam scanning and other related operations according to the determined beam scanning mechanism. For example, the terminal device may report a value representing the number of received beams according to different indication information, and may report an quantity including the number of received beams. The interval may be reported by the beam scan request command or not.
  • the network device after generating the configuration information, the network device indicates, by using the indication information, one of multiple beam scanning mechanisms in the configuration information, so that the terminal device determines the indicated beam scanning mechanism, and After the determination, the corresponding beam scanning mechanism is performed, thereby solving the problem that the existing beam scanning technology is inefficiently executed.
  • FIG. 8 is a schematic flowchart of a beam scanning method according to an embodiment of the present disclosure. The method is introduced from the perspective of interaction between a network device and a terminal device, and the method may include, but is not limited to:
  • Step S801 The terminal device generates a transmit beam scan request indication.
  • the transmit beam scan request indication is used to request the network device to stop the current transmit beam scan, or trigger the next transmit beam scan after the current transmit beam scan.
  • the terminal device can generate a transmit beam scan request indication according to its own needs.
  • the terminal device may generate a transmit beam scan request indication to request the network device to stop the current transmit beam scan if the current beam scan period type is a semi-persistent type.
  • the terminal device may generate a transmit beam scan request indication if the period type of the current beam scan is an aperiodic type, requesting the network device to trigger the next transmit beam scan after the current transmit beam scan.
  • Step S802 The terminal device sends a transmit beam scan request indication to the network device; correspondingly, the network device receives the transmit beam scan request indication from the terminal device.
  • Step S803 The network device performs a corresponding transmit beam scanning operation according to the transmit beam scan request indication.
  • the embodiment shown in FIG. 8 is similar to the embodiment shown in FIG. 5, except that the embodiment shown in FIG. 5 instructs the terminal device to send a transmit beam scan request indication to the network device by the network device, and FIG. 8 shows In the embodiment, the terminal device sends the transmit beam scan request indication to the network device, which may be independent of the indication information sent by the network device, so that the execution of the terminal device auxiliary network device side beam scan can be better implemented.
  • FIG. 9 is a simplified schematic diagram of a device according to an embodiment of the present disclosure.
  • the device may be a terminal device 10, or may be a chip or a circuit, such as a chip or a circuit that can be disposed on the terminal device.
  • the terminal device 10 can correspond to the terminal device in the above method.
  • the device can include a processor 110 and a memory 120.
  • the memory 120 is used to store instructions, and the processor 110 is configured to execute the instructions stored in the memory 120, and is applied in the embodiment of the present application to implement step S203 in the method corresponding to FIG. 2; Step S306; Step S406 in the method corresponding to FIG. 4; Step S603 in the method corresponding to FIG. 5; Step S706 in the method corresponding to FIG. 7; Step S801 in the method corresponding to FIG.
  • the memory 120 is applied in the embodiment of the present application to implement step S703 in the method corresponding to FIG. 7.
  • the device may further include a receiver 140 and a transmitter 150. Further, the device may further include a bus system 130, wherein the processor 110, the memory 120, the receiver 140, and the transmitter 150 may be connected by the bus system 130.
  • the processor 110 is configured to execute instructions stored by the memory 120 to control the receiver 140 to receive signals and control the transmitter 150 to transmit signals to complete the steps of the terminal device in the above method.
  • the receiver 140 and the transmitter 150 may be the same or different physical entities. When they are the same physical entity, they can be collectively referred to as transceivers.
  • the memory 220 may be integrated in the processor 210 or may be provided separately from the processor 210.
  • the functions of the receiver 140 and the transmitter 150 can be implemented by a dedicated chip through a transceiver circuit or a transceiver.
  • the processor 110 can be implemented by a dedicated processing chip, a processing circuit, a processor, or a general purpose chip.
  • the terminal device provided by the embodiment of the present application may be implemented by using a general-purpose computer.
  • the program code that is to implement the functions of the processor 110, the receiver 140 and the transmitter 150 is stored in a memory, and the general purpose processor implements the functions of the processor 110, the receiver 140 and the transmitter 150 by executing the code in the memory.
  • FIG. 10 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • the terminal device can be adapted for use in the network architecture shown in FIG.
  • FIG. 10 shows only the main components of the terminal device.
  • the terminal device 10 includes a processor, a memory, a control circuit, an antenna, and an input and output device.
  • the processor is mainly used for processing communication protocols and communication data, and controlling the entire terminal device, executing software programs, and processing data of the software programs.
  • Memory is primarily used to store software programs and data.
  • the control circuit is mainly used for converting baseband signals and radio frequency signals and processing radio frequency signals.
  • the control circuit together with the antenna can also be called a transceiver, and is mainly used for transmitting and receiving RF signals in the form of electromagnetic waves.
  • Input and output devices such as touch screens, display screens, keyboards, etc., are primarily used to receive user input data and output data to the user.
  • the processor can read the software program in the storage unit, interpret and execute the instructions of the software program, and process the data of the software program.
  • the processor performs baseband processing on the data to be sent, and then outputs the baseband signal to the radio frequency circuit.
  • the radio frequency circuit performs radio frequency processing on the baseband signal, and then sends the radio frequency signal to the outside through the antenna in the form of electromagnetic waves.
  • the RF circuit receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processor, which converts the baseband signal into data and processes the data.
  • the processor may be configured to perform terminal device behavior according to the indication information, for example, performing beam scanning according to at least one of resource configuration information or reporting configuration information.
  • the memory can be used to store the programs required by the processor to perform the behavior of the terminal device.
  • FIG. 10 shows only one memory and processor for ease of illustration. In an actual terminal device, there may be multiple processors and memories.
  • the memory may also be referred to as a storage medium or a storage device, and the like.
  • the processor may include a baseband processor and a central processing unit, and the baseband processor is mainly used to process the communication protocol and the communication data, and the central processing unit is mainly used to control and execute the entire terminal device.
  • the processor in FIG. 10 integrates the functions of the baseband processor and the central processing unit.
  • the baseband processor and the central processing unit can also be independent processors and interconnected by technologies such as a bus.
  • the terminal device may include a plurality of baseband processors to accommodate different network standards, and the terminal device may include a plurality of central processors to enhance its processing capabilities, and various components of the terminal devices may be connected through various buses.
  • the baseband processor can also be expressed as a baseband processing circuit or a baseband processing chip.
  • the central processing unit can also be expressed as a central processing circuit or a central processing chip.
  • the functions of processing the communication protocol and the communication data may be built in the processor, or may be stored in the storage unit in the form of a software program, and the processor executes the software program to implement the baseband processing function.
  • the antenna and control circuit having the transceiving function can be regarded as the transceiving unit 101 of the terminal device 10, and the processor having the processing function is regarded as the processing unit 102 of the terminal device 10.
  • the terminal device 10 includes a transceiver unit 101 and a processing unit 102.
  • the transceiver unit can also be referred to as a transceiver, a transceiver, a transceiver, and the like.
  • the device for implementing the receiving function in the transceiver unit 101 can be regarded as a receiving unit, and the device for implementing the sending function in the transceiver unit 101 is regarded as a sending unit, that is, the transceiver unit 101 includes a receiving unit and a sending unit.
  • the receiving unit may also be referred to as a receiver, a receiver, a receiving circuit, etc.
  • the transmitting unit may be referred to as a transmitter, a transmitter, or a transmitting circuit.
  • FIG. 11 is a simplified schematic diagram of a device according to an embodiment of the present disclosure.
  • the device may be a network device 20 , or may be a chip or a circuit, such as a chip that can be disposed in a network device or Circuit.
  • the network device 20 corresponds to the network device in the above method.
  • the device can include a processor 210 and a memory 220.
  • the memory 220 is used to store instructions, and the processor 210 is configured to execute the instructions stored in the memory 220, and is applied to the network device to implement the foregoing step S201 in the method corresponding to FIG. 2; Step S301 and step S304 in the corresponding method; step S401 and step S404 in the method corresponding to FIG.
  • step S501 and step S504 in the method corresponding to FIG. 5; step S601 in the method corresponding to FIG. 6; Step S701 and step S704 in the method corresponding to FIG. 7; and step S803 in the method corresponding to FIG.
  • the network may further include a receiver 240 and a transmitter 250. Still further, the network can also include a bus system 230.
  • the processor 210, the memory 220, the receiver 240 and the transmitter 250 are connected by a bus system 230, and the processor 210 is configured to execute instructions stored in the memory 220 to control the receiver 240 to receive signals and control the transmitter 250 to send signals.
  • the steps of the network device in the above method are completed.
  • the receiver 240 and the transmitter 250 may be the same or different physical entities. When they are the same physical entity, they can be collectively referred to as transceivers.
  • the memory 220 may be integrated in the processor 210 or may be provided separately from the processor 210.
  • the functions of the receiver 240 and the transmitter 250 can be implemented by a dedicated chip through a transceiver circuit or a transceiver.
  • the processor 210 can be implemented by a dedicated processing chip, a processing circuit, a processor, or a general purpose chip.
  • a network device provided by an embodiment of the present application may be implemented by using a general-purpose computer.
  • the program code that is to implement the functions of the processor 210, the receiver 240 and the transmitter 250 is stored in a memory, and the general purpose processor implements the functions of the processor 210, the receiver 240, and the transmitter 250 by executing code in the memory.
  • FIG. 12 is a schematic structural diagram of a network device according to an embodiment of the present application, which may be a schematic structural diagram of a base station.
  • the base station can be applied to the network architecture as shown in FIG. 1.
  • the base station 20 includes one or more radio frequency units, such as a remote radio unit (RRU) 201 and one or more baseband units (BBUs) (also referred to as digital units, DUs) 202.
  • RRU 201 may be referred to as a transceiver unit, a transceiver, a transceiver circuit, or a transceiver, etc., which may include at least one antenna 2011 and a radio frequency unit 2012.
  • the RRU 201 is mainly used for transmitting and receiving radio frequency signals and converting radio frequency signals and baseband signals, for example, for transmitting the downlink control information described in the foregoing embodiments to the terminal device.
  • the BBU 202 part is mainly used for performing baseband processing, controlling a base station, and the like.
  • the RRU 201 and the BBU 202 may be physically disposed together or physically separated, that is, distributed base stations.
  • the BBU 202 is a control center of a base station, and may also be referred to as a processing unit, and is mainly used to perform baseband processing functions such as channel coding, multiplexing, modulation, spread spectrum, and the like.
  • the BBU processing unit
  • the BBU can be used to control the base station to perform an operation procedure about the network device in the foregoing method embodiment.
  • the BBU 202 may be composed of one or more boards, and multiple boards may jointly support a single access standard radio access network (such as an LTE network), or may separately support different access modes of wireless. Access Network.
  • the BBU 202 also includes a memory 2021 and a processor 2022.
  • the memory 2021 is used to store necessary instructions and data.
  • the processor 2022 is configured to control the base station to perform necessary actions, for example, to control the base station to perform an operation procedure about the network device in the foregoing method embodiment.
  • the memory 2021 and the processor 2022 can serve one or more boards. That is, the memory and processor can be individually set on each board. It is also possible that multiple boards share the same memory and processor. In addition, the necessary circuits can be set on each board.
  • the embodiment of the present application further provides a communication system including the foregoing network device and one or more terminal devices.
  • the processor may be a central processing unit (“CPU"), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated integration.
  • DSPs digital signal processors
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory can include read only memory and random access memory and provides instructions and data to the processor.
  • a portion of the memory may also include a non-volatile random access memory.
  • the bus system may include a power bus, a control bus, and a status signal bus in addition to the data bus.
  • a power bus may include a power bus, a control bus, and a status signal bus in addition to the data bus.
  • the various buses are labeled as bus systems in the figure.
  • each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method. To avoid repetition, it will not be described in detail here.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • 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, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transmission to another website site, computer, server or data center via wired (eg coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a digital video disk (DVD)), or a semiconductor medium (eg, a solid state disk (SSD)). )Wait.
  • a magnetic medium eg, a floppy disk, a hard disk, a magnetic tape
  • an optical medium eg, a digital video disk (DVD)
  • DVD digital video disk
  • SSD solid state disk

Landscapes

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

Abstract

Un mode de réalisation de l'invention concerne un procédé et un appareil d'indication de balayage de faisceau. Selon ce procédé : un dispositif de réseau génère des informations d'indication, ces informations d'indication étant utilisées pour indiquer un mécanisme de balayage de faisceau, et le mécanisme de balayage de faisceau étant issu de mécanismes de balayage de faisceau multiples ; le dispositif de réseau envoie les informations d'indication à un dispositif terminal ; et le dispositif terminal reçoit les informations d'indication provenant du dispositif de réseau et détermine le mécanisme de balayage de faisceau indiqué conformément aux informations d'indication. Le mode de réalisation de la présente invention permet de mettre en oeuvre l'indication du mécanisme de balayage de faisceau du dispositif de réseau, qui peut être utilisée pour résoudre le problème de faible efficacité de la technologie existante de balayage de faisceau.
PCT/CN2018/103871 2017-09-06 2018-09-04 Procédé et dispositif indication de faisceau WO2019047808A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710803372.1 2017-09-06
CN201710803372.1A CN109462425B (zh) 2017-09-06 2017-09-06 一种波束扫描指示方法及其装置

Publications (1)

Publication Number Publication Date
WO2019047808A1 true WO2019047808A1 (fr) 2019-03-14

Family

ID=65606140

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/103871 WO2019047808A1 (fr) 2017-09-06 2018-09-04 Procédé et dispositif indication de faisceau

Country Status (2)

Country Link
CN (1) CN109462425B (fr)
WO (1) WO2019047808A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023038713A1 (fr) * 2021-09-08 2023-03-16 Qualcomm Incorporated Mappage dynamique de quasi-colocalisation pour liaisons multiples avec des nœuds de communication d'assistance

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111756426B (zh) * 2019-03-29 2023-04-07 华为技术有限公司 一种选择接收波束的方法及装置
CN111614447B (zh) * 2019-04-01 2021-11-02 维沃移动通信有限公司 无线链路状态指示上报方法和终端设备
US20220376871A1 (en) * 2019-08-23 2022-11-24 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods of csi reference resource determination
WO2021114048A1 (fr) * 2019-12-09 2021-06-17 北京小米移动软件有限公司 Procédé de traitement d'informations, appareil, dispositif de communication et support d'enregistrement
US20220045823A1 (en) * 2020-08-07 2022-02-10 Qualcomm Incorporated User equipment (ue) recommended sounding reference signal (srs) resource index (sri)
CN115866631A (zh) * 2022-04-21 2023-03-28 中兴通讯股份有限公司 信息传输方法、第一节点、第二节点和存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103281110A (zh) * 2013-04-26 2013-09-04 大唐移动通信设备有限公司 波束赋形方法和设备
CN106793124A (zh) * 2016-12-30 2017-05-31 展讯通信（上海）有限公司 上行信号传输的方法、用户设备及基站
CN106879010A (zh) * 2017-04-13 2017-06-20 北京墨丘科技有限公司 一种优化网络的方法及装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10547418B2 (en) * 2014-06-10 2020-01-28 Qualcomm Incorporated Coordinated operations of millimeter wavelength wireless access networks
CN106559114B (zh) * 2015-09-28 2019-08-27 中兴通讯股份有限公司 一种波束训练方法和装置
US10075221B2 (en) * 2015-12-31 2018-09-11 Motorola Mobility Llc Method and apparatus for directing an antenna beam based on motion of a communication device
CN107079404B (zh) * 2017-01-06 2020-10-30 北京小米移动软件有限公司 寻呼信号发送方法、寻呼信号接收方法、装置及系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103281110A (zh) * 2013-04-26 2013-09-04 大唐移动通信设备有限公司 波束赋形方法和设备
CN106793124A (zh) * 2016-12-30 2017-05-31 展讯通信（上海）有限公司 上行信号传输的方法、用户设备及基站
CN106879010A (zh) * 2017-04-13 2017-06-20 北京墨丘科技有限公司 一种优化网络的方法及装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023038713A1 (fr) * 2021-09-08 2023-03-16 Qualcomm Incorporated Mappage dynamique de quasi-colocalisation pour liaisons multiples avec des nœuds de communication d'assistance

Also Published As

Publication number Publication date
CN109462425A (zh) 2019-03-12
CN109462425B (zh) 2021-08-13

Similar Documents

Publication Publication Date Title
WO2019047808A1 (fr) Procédé et dispositif indication de faisceau
US11606706B2 (en) Cell measurement in communication systems, related configuration and devices
US11343826B2 (en) Information transmission method, terminal device, and network device
RU2736569C1 (ru) Способ беспроводной связи и устройство
EP3537809A1 (fr) Procédé d'attribution de ressources et appareil associé
US10856267B2 (en) Information indication method and related device
CN110999370B (zh) 一种测量方法、设备及系统
WO2020088395A1 (fr) Procédé et appareil de configuration de ressources
CN110831170B (zh) 一种通信方法和装置
WO2022021437A1 (fr) Procédé de communication, appareil et système
WO2019020080A1 (fr) Procede de communication et appareil s'y rapportant
US20230300927A1 (en) Communication Method, Communications Apparatus, and Storage Medium
JPWO2020031358A1 (ja) ユーザ装置及び送信方法
US20230354252A1 (en) Positioning information transmission method and apparatus
WO2020192719A1 (fr) Procédé de mise à jour de faisceaux et appareil de communication
WO2020034969A1 (fr) Procédé de transmission de signal, procédé de détermination de faisceau et appareils associés
CN114208262B (zh) 载波测量方法和装置
WO2021017016A1 (fr) Procédé d'accès aléatoire et dispositif associé
WO2018171647A1 (fr) Procédé d'attribution de ressources et appareil associé
CA3160325A1 (fr) Procede et appareil de communication
US11425757B2 (en) Data transmission method and device with low latency and low resource utilization
US20220217691A1 (en) Parameter determining method and related apparatus
EP4280765A1 (fr) Procédé et appareil de configuration de ressources de mesure, et dispositif associé
WO2023088114A1 (fr) Procédé de récupération de faisceau, procédé de détection de défaillance de faisceau et appareil associé
WO2024032310A1 (fr) Procédé et appareil de communication

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: 18854267

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18854267

Country of ref document: EP

Kind code of ref document: A1