WO2018205436A1 - Procédé de gestion de faisceau, dispositif de réseau et terminal - Google Patents

Procédé de gestion de faisceau, dispositif de réseau et terminal Download PDF

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Publication number
WO2018205436A1
WO2018205436A1 PCT/CN2017/096681 CN2017096681W WO2018205436A1 WO 2018205436 A1 WO2018205436 A1 WO 2018205436A1 CN 2017096681 W CN2017096681 W CN 2017096681W WO 2018205436 A1 WO2018205436 A1 WO 2018205436A1
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WIPO (PCT)
Prior art keywords
grouping
information
group
principle
signal strength
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PCT/CN2017/096681
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English (en)
Chinese (zh)
Inventor
张莉莉
李国荣
刘斌
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201780051009.7A priority Critical patent/CN109644349B/zh
Publication of WO2018205436A1 publication Critical patent/WO2018205436A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Definitions

  • the present application relates to communications technologies, and in particular, to a beam management method, a network device, and a terminal.
  • the 3rd Generation Partnership Project (3gpp) has the following new conclusion: the group-based beam will be studied, specifically for beam grouping, reporting, beam group based indication for beam measurement, based on Both beam transmission and conversion will be studied. Beam-specific power control will be studied, where beam-specific includes beam group-specific. Also, the definition of the beam group is as follows: For one transmission point or multiple transmission points, a plurality of transmission beams and/or reception beams are divided into beam sets, or a plurality of transmission and/or reception beam pairs are divided into sets of beam pairs. Or for a user terminal UE, split multiple transmit beams and/or receive beams into beam sets, or split multiple transmit and/or receive beam pairs into a set of beam pairs.
  • the present invention provides a beam management method, a network device, and a terminal, which are used to solve the problem that the beam grouping is not effectively implemented in the prior art, and thus the beam management is inconvenient.
  • the application provides a method for beam management, including:
  • the terminal acquires first beam packet information and second beam packet information
  • the first beam grouping information includes: a number of beam groups and/or a number of beams of each beam group; the number of the beam groups includes a maximum number of beam groups and/or a preset beam group.
  • the number of beams of each beam group includes the maximum number of beams in each beam group and/or a preset number of beams in each beam group;
  • the second beam grouping information includes: an identifier of the beam group and/or a beam included in each beam group.
  • the terminal acquires the first beam grouping information and the second beam grouping information, including:
  • the terminal itself determines the first beam packet information and the second beam packet information.
  • the terminal itself determines the first beam grouping information and the second beam grouping information, including:
  • the terminal measures the first reference signal, where the first reference signal is at least one of a synchronization signal, a cell reference signal, a channel state information reference signal, and a channel state information measurement pilot signal;
  • the terminal determines the first beam packet information and/or the second beam packet information according to the measurement result.
  • the method further includes:
  • the terminal acquires beam grouping principles and/or third beam grouping information for performing beam grouping
  • the terminal performs beam grouping according to the beam grouping principle and/or the third beam grouping information.
  • the third beam grouping information includes: a threshold value for performing beam grouping, and/or a correspondence relationship between a threshold value and a beam grouping for performing beam grouping.
  • the correspondence between the threshold value and the beam packet for performing beam grouping is a correspondence between a threshold value for performing packet grouping and a beam group identifier.
  • the threshold value for performing beam grouping may be one or more.
  • the beam grouping principle includes: a first grouping principle for grouping according to at least one of received signal strength, received signal power, and path loss information; and/or for using dominant interference A second grouping principle in which signal strength is grouped; and/or a third grouping principle for grouping according to content, wherein the content comprises: data content, and/or a transmission channel.
  • the data content includes at least one of: beam direction, beam width, reference signal type, reference signal configuration, downlink transmission power of the reference signal, beam transmission gain, beam reception gain.
  • beam grouping according to the beam grouping principle includes:
  • the terminal determines whether the received signal strength of the beam is within a preset threshold range of each beam group, and/or whether the received signal power of the beam is within a preset threshold range of each beam group, and/ Or whether the path loss information of the beam is located within a preset threshold range corresponding to each beam group;
  • the beam to which each beam group belongs is determined according to the judgment result.
  • beam grouping according to the beam grouping principle includes:
  • the terminal determines whether the interference signal strength of the beam is within a threshold range corresponding to a preset beam group
  • the beam to which each beam group belongs is determined according to the judgment result.
  • At least one time domain unit and/or at least one frequency domain unit and between the plurality of beams of the grouping are performed.
  • at least one spatial domain unit has a different transmission direction.
  • beam grouping according to the beam grouping principle includes:
  • the beam to which each beam group belongs is determined according to the judgment result.
  • the method further includes:
  • determining whether the beam grouping principle and/or the third beam grouping information needs to be re-determined according to the received signal strength includes:
  • the beam grouping principle and/or the third beam grouping information needs to be re-determined
  • the beam grouping principle and/or the third beam grouping information need not be re-determined.
  • the method further includes:
  • the suggestion information being used to reconfigure the beam packet principle and/or the third beam packet information.
  • the suggestion information includes at least one of the following: a reconfigured group, a redefined group, a re-grouped group, a reconfigured grouping threshold, a redefined grouping threshold, and a re The grouping threshold for the division.
  • the application provides a method for beam management, including:
  • the network device configures a set of transmission resources for transmitting an uplink signal of a specific beam
  • the uplink signal includes at least one of the following: a cell-specific signal CSI-RS, a sounding reference signal SRS, a demodulation reference signal DMRS, and a random access signal Preamble;
  • the transmission resource includes at least one of the following: one beam Transmission resources at different times, transmission resources at different frequency domain locations on one beam, transmission resources at the same time or at different times on different beams, same frequency domain locations on different beams, or transmission resources at different frequency domain locations.
  • the uplink signal includes at least one of the following:
  • a signal for uplink measurement a signal for uplink signal state information acquisition, a signal for downlink channel state information acquisition, and a signal for beam management.
  • the method further includes:
  • the network device groups transmission resources of the set of uplink signals for transmitting a particular beam.
  • the network device groups the transmission resources of the set of uplink signals for transmitting a specific beam, including:
  • the network device divides the transmission resource into one or more groups based on time domain resources; or
  • the network device divides the transmission resource into one or more groups based on frequency domain resources; or
  • the network device divides the transmission resource into one or more groups based on spatial domain resources; or
  • the network device divides the transmission resource into one or more groups based on at least two of a time domain resource, a frequency domain resource, and a spatial domain resource.
  • the method further includes:
  • the network device acquires beam grouping information
  • the beam grouping information includes first beam grouping information and/or second beam grouping information; the first beam grouping information is a number of beam groups and/or a number of beams of each beam group; the beam The number of groups includes the maximum number of beam groups and/or the number of preset beam groups; the number of beams of each beam group includes the maximum number of beams and/or each beam in each beam group. The preset number of beams in the group;
  • the second beam packet information is an identifier of a beam group and/or a beam included in each beam group.
  • the beam grouping information includes third beam grouping information
  • the method further includes:
  • the network device transmits beam grouping principles and/or third beam grouping information for performing beam grouping to the terminal.
  • the third beam grouping information includes: a threshold value for performing beam grouping, and/or a correspondence relationship between a threshold value and a beam grouping for performing beam grouping.
  • the correspondence between the threshold value and the beam packet for performing beam grouping is a correspondence between a threshold value for performing packet grouping and a beam group identifier.
  • the threshold value for performing beam grouping may be one or more.
  • the beam grouping principle includes: a first grouping principle for grouping according to at least one of received signal strength, received signal power, and path loss information; and/or for using dominant interference A second grouping principle in which signal strength is grouped; and/or a third grouping principle for grouping according to content, wherein the content comprises: data content, and/or a transmission channel.
  • the data content includes at least one of: beam direction, beam width, reference signal type, reference signal configuration, downlink transmission power of the reference signal, beam transmission gain, beam reception gain.
  • the application provides a terminal, including:
  • a first acquiring unit configured to acquire first beam grouping information and second beam grouping information
  • a first sending unit configured to feed back the first beam grouping information and the second beam grouping information to the network device
  • the first beam grouping information includes: a number of beam groups and/or a number of beams of each beam group; the number of the beam groups includes a maximum number of beam groups and/or a preset beam group.
  • the number of beams of each beam group includes the maximum number of beams in each beam group and/or a preset number of beams in each beam group;
  • the second beam grouping information includes: an identifier of the beam group and/or a beam included in each beam group.
  • the first obtaining unit is configured to:
  • the first beam packet information and the second beam packet information are determined by the terminal itself.
  • the first obtaining unit is configured to:
  • the first reference signal is at least one of a synchronization signal, a cell reference signal, a channel state information reference signal, and a channel state information measurement pilot signal;
  • the first beam packet information and/or the second beam packet information is determined according to the measurement result.
  • the first acquiring unit is configured to acquire beam grouping principles and/or third beam grouping information for performing beam grouping
  • the terminal further includes:
  • a first grouping unit configured to perform beam grouping according to the beam grouping principle and/or the third beam grouping information.
  • the third beam grouping information includes: a threshold value for performing beam grouping, and/or a correspondence relationship between a threshold value and a beam grouping for performing beam grouping.
  • the correspondence between the threshold value and the beam packet for performing beam grouping is a correspondence between a threshold value for performing packet grouping and a beam group identifier.
  • the threshold value for performing beam grouping may be one or more.
  • the beam grouping principle includes: a first grouping principle for grouping according to at least one of received signal strength, received signal power, and path loss information; and/or for using dominant interference a second grouping principle in which signal strength is grouped; and/or a third grouping principle for grouping according to content, wherein The content includes: data content, and/or transmission channel.
  • the data content includes at least one of: beam direction, beam width, reference signal type, reference signal configuration, downlink transmission power of the reference signal, beam transmission gain, beam reception gain.
  • the first grouping unit is used to:
  • the beam to which each beam group belongs is determined according to the judgment result.
  • the first grouping unit is used to:
  • the beam to which each beam group belongs is determined according to the judgment result.
  • At least one time domain unit and/or at least one frequency domain unit and between the plurality of beams of the grouping are performed.
  • at least one spatial domain unit has a different transmission direction.
  • the first grouping unit is used to:
  • the beam to which each beam group belongs is determined according to the judgment result.
  • the first acquiring unit is further configured to acquire a received signal strength after acquiring a beam grouping principle and/or a third beam grouping information for performing beam grouping;
  • the first grouping unit is configured to determine, according to the received signal strength, whether the beam grouping principle and/or the third beam grouping information needs to be re-determined.
  • the first grouping unit is configured to:
  • the beam grouping principle and/or the third beam grouping information needs to be re-determined
  • the beam grouping principle and/or the third beam grouping information need not be re-determined.
  • the terminal further includes:
  • a generating unit configured to generate suggestion information according to the received signal strength after the beam grouping principle and/or the third beam grouping information needs to be re-determined
  • the first sending unit is further configured to send the suggestion information to the network device, where the suggestion information is used to reconfigure the beam grouping principle and/or the third beam grouping information.
  • the suggestion information includes at least one of the following: a reconfigured group, a redefined group, a re-grouped group, a reconfigured grouping threshold, a redefined grouping threshold, and a re The grouping threshold for the division.
  • the application provides a network device, including:
  • a configuration unit configured to configure a set of transmission resources for transmitting an uplink signal of a specific beam
  • a second sending unit configured to send the configured transmission resource to the terminal
  • the uplink signal includes at least one of the following: a cell-specific signal CSI-RS, a sounding reference signal SRS, a demodulation reference signal DMRS, and a random access signal Preamble;
  • the transmission resource includes at least one of the following: one beam Transmission resources at different times, transmission resources at different frequency domain locations on one beam, transmission resources at the same time or at different times on different beams, same frequency domain locations on different beams, or transmission resources at different frequency domain locations.
  • the uplink signal includes at least one of the following:
  • a signal for uplink measurement a signal for uplink signal state information acquisition, a signal for downlink channel state information acquisition, and a signal for beam management.
  • the network device further includes:
  • a second grouping unit configured to group the transmission resources of the group of uplink signals used for transmitting the specific beam.
  • the second grouping unit is configured to:
  • the network device divides the transmission resource into one or more groups based on time domain resources; or
  • the network device divides the transmission resource into one or more groups based on frequency domain resources; or
  • the network device divides the transmission resource into one or more groups based on spatial domain resources; or
  • the network device divides the transmission resource into one or more groups based on at least two of a time domain resource, a frequency domain resource, and a spatial domain resource.
  • the network device further includes:
  • a second acquiring unit configured to acquire beam grouping information
  • the beam grouping information includes first beam grouping information and/or second beam grouping information; the first beam grouping information is a number of beam groups and/or a number of beams of each beam group; the beam The number of groups includes the maximum number of beam groups and/or the number of preset beam groups; the number of beams of each beam group includes the maximum number of beams and/or each beam in each beam group. The preset number of beams in the group;
  • the second beam packet information is an identifier of a beam group and/or a beam included in each beam group.
  • the beam grouping information includes third beam grouping information
  • the second sending unit is further configured to:
  • a beam grouping principle and/or third beam grouping information for performing beam grouping is transmitted to the terminal.
  • the third beam grouping information includes: a threshold value for performing beam grouping, and/or a correspondence relationship between a threshold value and a beam grouping for performing beam grouping.
  • the correspondence between the threshold value and the beam packet for performing beam grouping is a correspondence between a threshold value for performing packet grouping and a beam group identifier.
  • the threshold value for performing beam grouping may be one or more.
  • the beam grouping principle includes: a first grouping principle for grouping according to at least one of received signal strength, received signal power, and path loss information; and/or for using dominant interference A second grouping principle in which signal strength is grouped; and/or a third grouping principle for grouping according to content, wherein the content comprises: data content, and/or a transmission channel.
  • the data content includes at least one of the following: beam direction, beam width, and parameters. Test signal type, reference signal configuration, downlink transmission power of reference signal, beam transmission gain, beam reception gain.
  • the present application provides a network device, including: a first memory and a first processor, where the first memory stores program instructions, and the first processor is configured to run the stored in the memory Program instructions to implement the method of the second aspect.
  • the application provides a terminal, including: a second memory and a second processor, where the second memory stores program instructions, and the second processor is configured to run the second memory Program instructions to implement the method of the second aspect.
  • the present application provides a computer readable storage medium comprising instructions which, when run on a computer, cause the computer to perform the method of the above first aspect.
  • the present application provides a computer readable storage medium comprising instructions which, when run on a computer, cause the computer to perform the method of the second aspect above.
  • the present application provides a program product, such as a computer readable storage medium, comprising the program of the seventh aspect.
  • the present application provides a program product, such as a computer readable storage medium, comprising the program of the eighth aspect.
  • the present application provides a computer program product comprising instructions which, when run on a computer, cause the computer to perform the methods of the above aspects.
  • the present application provides a computer readable storage medium having instructions stored therein that, when run on a computer, cause the computer to perform the methods of the above aspects.
  • the beam grouping problem of a large number of beams in the millimeter wave system can be effectively solved, which helps to reduce the cost of beam management; by considering various reference signals, complex interference environments, and millimeter-baud beams.
  • the shaping determines a specific grouping scheme, and the reduction of the overhead of the channel measurement report and the reduction of the configuration of the power control parameter can be achieved by the determined grouping scheme, which further improves the practicability of the method and is beneficial to the promotion and application of the market.
  • FIG. 1 is a schematic diagram of a case 1 in a high frequency system according to an embodiment of the present application
  • FIG. 2 is a schematic diagram 1 of the case 2 in the high frequency system according to the embodiment of the present application;
  • FIG. 3 is a schematic diagram 2 of the case 2 in the high frequency system according to the embodiment of the present application.
  • FIG. 4 is a schematic flowchart 1 of a method for beam management according to an embodiment of the present disclosure
  • FIG. 5 is a schematic flowchart 2 of a method for beam management according to an embodiment of the present disclosure
  • FIG. 6 is a schematic flowchart 3 of a method for beam management according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic flowchart of determining whether the beam grouping principle and/or the third beam grouping information need to be re-determined according to the received signal strength according to an embodiment of the present disclosure
  • FIG. 8 is a schematic flowchart 4 of a method for beam management according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic flowchart 1 of a method for beam management according to another embodiment of the present disclosure.
  • FIG. 10 is a schematic flowchart of a process based on downlink detection according to an embodiment of the present disclosure
  • FIG. 11 is a schematic structural diagram 1 of a terminal according to an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram 1 of a network device according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram 2 of a terminal according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram 2 of a network device according to an embodiment of the present disclosure.
  • the present application is applied to a 5G communication system or other systems that may occur in the future, and some of the terms used in the present application are explained below so as to be understood by those skilled in the art. It should be noted that, when the solution of the embodiment of the present application is applied to a 5G system or other systems that may appear in the future, the names of the terminal device and the network device may change, but this does not affect the implementation of the solution in the embodiment of the present application.
  • a terminal device which may be a user equipment (User Equipment, UE), an access terminal, a UE unit, a UE station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a UE terminal, a terminal, a wireless communication device,
  • a UE proxy or UE device, etc. is a device that provides voice and/or data connectivity to a user, such as a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local) Loop, WLL) station, Personal Digital Assistant (PDA), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in future 5G networks Or a terminal or the like in a future evolved PLMN network, wherein the wearable device includes, for example, a smart watch, a smart bracelet, a pedometer, and the like.
  • SIP Se
  • a network device also known as a radio access network (RAN) device, is a device that accesses a terminal device to a wireless network, and includes network devices in various communication systems, including but not limited to Base station, 5G new base station, transmission point, evolved Node B (eNB), radio network controller (RNC), Node B (NB), network equipment controller (Base Station) Controller, BSC), Base Transceiver Station (BTS), home network equipment (for example, Home evolved NodeB, or Home Node B, HNB), Baseband Unit (BBU, etc.).
  • RAN radio access network
  • the base station may include an indoor baseband processing unit (BBU) and a remote radio unit (RRU), and the RRU and the antenna feeder system (ie, an antenna) are connected, and the BBU and the RRU may be used as needed. It should be noted that the base station may also adopt other general hardware architectures in a specific implementation process.
  • BBU baseband processing unit
  • RRU remote radio unit
  • the base station may also adopt other general hardware architectures in a specific implementation process.
  • 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.
  • each module unit of the above terminal device and network device is only a division of logic functions, and may be integrated into one physical entity or physically separated in whole or in part.
  • the module units may all be implemented in the form of software processing by the processing component; or may be implemented in the form of hardware; or some of the module units may be implemented by software in the form of processing component calls, and some of the module units are implemented by hardware.
  • the sending module unit may be a separately set processing element, or may be integrated in a chip of a terminal device or a network device, or may be stored in a memory of the terminal device or the network device in the form of a program. Calling and executing a processing element of a terminal device or a network device The function of each module unit.
  • the processing element herein can be an integrated circuit with signal processing capabilities.
  • each step of the above method or each of the above module units may be completed by an integrated logic circuit of hardware in the processor element or an instruction in a form of software.
  • the above receiving module unit is a module unit for controlling reception, and the information transmitted by the network device can be received by the receiving device of the terminal device or the network device, such as an antenna and a radio frequency device.
  • the above sending module unit is a module unit for controlling transmission, and can send information to the terminal device through a network device or a transmitting device of the terminal device, such as an antenna and a radio frequency device.
  • the above units may be one or more integrated circuits configured to implement the above methods, such as one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (digital) Singnal processor (DSP), or one or more Field Programmable Gate Array (FPGA).
  • ASICs Application Specific Integrated Circuits
  • DSP digital Singnal processor
  • FPGA Field Programmable Gate Array
  • the processing element can be a general purpose processor, such as a central processing unit (CPU) or other processor that can invoke the program.
  • CPU central processing unit
  • these units can be integrated and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip
  • connection Vulnerability the communication link between the millimeter wave transmitting node or the small cell base station and the UE is easily hindered by the moving object, which is derived from the inherent characteristics of the millimeter wave, which is called "connection Vulnerability, and the solution to this problem can be applied to ultra-dense network deployment and beamforming (beamforming) operations, so that the service beam is switched when the user turns or the phone orientation changes, thus ensuring the communication quality of millimeter waves.
  • high frequencies >>6 GHz, current LTE frequency
  • one cell area may be covered by multiple narrow high gain beams.
  • the rotation patterns of different beams may overlap to, for example, the common control channel in the entire cell area. Provides stable coverage.
  • the number of Beams may range from tens to hundreds, covering both the horizontal and vertical directions.
  • Each NR NodeB may include one or more TRPs, and each TRP may support multiple beam operations.
  • a TRPG can contain multiple TRPs in a network to form a virtual cell.
  • 3GPP supports the following downstream layer 1/layer 2 beam management process:
  • the PL estimate can be based on DRS (Discovery Reference Signal), SS (Synchronization Signal), non-UE specific DL RS (downlink reference signal), or other long term DL RS.
  • DRS Discovery Reference Signal
  • SS Synchronization Signal
  • non-UE specific DL RS downlink reference signal
  • the PL estimate can be based on beams, ie beam-specific PL estimates.
  • the narrow beam DL RS may not provide an estimate of PL robustness, and the associated high gain beamforming may cause the UE to underestimate the PL. Therefore, a wide beam DL RS should be used for PL estimation; when the transmission is a narrow beam, this may result in a higher transmission power than the required UL (uplink) transmission power, but since the transmitted beam is narrow, this does not interfere. Other TRP.
  • TRP reception In order to support grant-free UL transmission, TRP reception must use a wide analog beam, so UL PCs for grant-free transmission should not be based on narrow beam DL RS.
  • One approach is to use wide beam, long-term DL RS for PL estimation and power control for all grant-free upstream transmissions.
  • a possible enhancement is to specify multiple UL PC settings for multiple beams/streams.
  • multiple UL PC settings can be provided.
  • a UE employing multiple UL numerologies may need to support multiple numerology specific UL PC settings.
  • the UE cannot obtain the PL estimate.
  • the serving eNB can inform the PL estimate (or UL transmit power) to the UE, and the value of the notification can be estimated by the eNB based on, for example, the TRP density in the vicinity of the UE and other information, which is mainly an implementation problem.
  • More advanced techniques need to be considered for determining the UE to UE interference level and setting the UL transmit power. Due to dynamic fluctuations in the interference level in the time domain, instantaneous and accurate measurements or detections may be required to further enhance the UL PC for dynamic TDD.
  • Case 1 As shown in Figure 1, when the UE moves between the beam and the beam, the beamforming gain will change at different UE locations. Since the beamforming gain at the center of the beam is large, the link quality changes greatly when the UE moves to the edge of the beam. Therefore, the dynamic range of link quality is large. In this case, the UL power control mechanism is required to track the range of uplink quality, especially for high-speed mobility.
  • Case 2 As shown in Figure 2-3, the UE is easier to rotate due to its small size and light weight.
  • the upstream beam may change frequently as the UE rotates.
  • the rotation of the posture change will have a large effect on the beam direction, which will cause the upward beamforming gain to change greatly in a short time.
  • the transmit power of a node may be different. As shown in Figure 3, the high power node is transmitted at 46 dBm and the low power node is transmitted at only 30 dBm. When the UE moves, the receiving node may change from a high transmit power node to a low transmit power node. Then, the transmit beam and the corresponding beamforming gain will suddenly change.
  • the uplink quality may change rapidly due to beam switching.
  • the uplink power control mechanism is required to follow the rate of change of the uplink quality.
  • Case 3 When beamforming is used on the UE side, the beam pattern will be different due to the number of supported antennas, and the like.
  • the UE adopts different transmit beam patterns the interference to the neighboring cells will be different. If the beam on the UE side is narrower, its interference to neighboring cells will be small. If the UE side uses an omnidirectional antenna or the beam is wide, its interference to neighboring cells will be large. Therefore, the uplink power control mechanism is required to consider the beamforming pattern on the UE side.
  • a packet-based beam will be studied, wherein the definition of the beam group is as follows: for one transmission point or multiple transmission points, multiple transmission beams and/or reception beams are divided into beam sets, or multiple transmissions and/or receptions are performed.
  • the beam pair is divided into sets of beam pairs.
  • Beam-specific power control will be studied where beam-specific includes beam group-specific. There is currently no effective mechanism for implementing beam grouping.
  • the present application provides a method for beam management, and the execution body of the method is a terminal device, and the terminal device may be a 5G terminal device or other terminal device for implementing a In a high-frequency system in which a beam is transmitted, a beam or a pair of beams can be effectively beam-managed, for example, based on a beam after grouping, beam group-specific power control can be performed, or measurement reporting based on beam group can be reduced, reporting overhead, etc.
  • the method includes:
  • S101 The terminal acquires first beam group information and second beam group information.
  • the first beam grouping information and the second beam grouping information may be obtained when the terminal groups and manages the beam, and the first beam grouping information and the second beam grouping information may be summary information for grouping and managing beams.
  • the first beam grouping information may include: the number of beam groups and/or the number of beams of each beam group; the number of beam groups includes the maximum number of beam groups and/or a preset beam group.
  • the number of beams per beam group includes the maximum number of beams in each beam group and/or a preset number of beams in each beam group;
  • the second beam grouping information includes: the identification of the beam group and The beam included in each beam group.
  • the number of the preset beam groups may be the number of the divided beam groups for reporting to the network device.
  • the specific manner of obtaining the first beam grouping information and the second beam grouping information is not limited.
  • the terminal may acquire the first beam grouping information and the second beam grouping information by using its own capability; or, the terminal The first beam grouping information and the second beam grouping information sent by the network device may be directly received; or the first beam grouping information and the second beam grouping information are pre-configured, and the terminal may directly obtain the first preconfigured first Beam packet information and second beam packet information.
  • Those skilled in the art can select different acquisition methods according to specific design requirements.
  • S102 The terminal feeds back the first beam packet information and the second beam group information to the network device.
  • the terminal may feed back the first beam grouping information and the second beam grouping information to the network device, and specifically, may use high layer signaling, MAC layer signaling, and physical At least one of the layer signaling transmits the first beam packet information and the second beam packet information to the network device.
  • the feedback information sent by the terminal UE to the network device may further include a group identifier, and an identifier of the corresponding beam or an identifier of the beam pair belonging to a certain group.
  • the terminal acquires the first beam grouping information and the second beam grouping information, where the first beam grouping information and the second beam grouping information are used for grouping and managing the beam;
  • the effective management of the beam by the terminal overcomes the mechanism of the prior art that there is no effective beam grouping, which is inconvenient for managing the beam, and the beam group-specific power control can be performed based on the beam after the grouping.
  • the measurement report based on the beam group can effectively reduce the overhead of reporting, ensure the practicability of the beam management method, and is beneficial to the promotion and application of the market.
  • the acquiring, by the terminal in this embodiment, the first beam grouping information and the second beam grouping information may include:
  • S1011 The terminal itself determines the first beam packet information and the second beam packet information.
  • determining, by the terminal itself, the first beam packet information and the second beam packet information may include the following sub-steps:
  • the terminal performs measurement on the first reference signal, where the first reference signal is at least one of a synchronization signal, a cell reference signal, a channel state information reference signal, and a channel state information measurement pilot signal.
  • the terminal may perform measurement processing on the obtained first reference signal, where the first reference signal is obtained by directly receiving the first reference signal sent by the network device, or the first reference signal is pre-configured; After the measurement process is performed on the first reference signal, the measurement result can be obtained.
  • S10112 The terminal determines the first beam grouping information and/or the second beam grouping information according to the measurement result.
  • the terminal may directly determine the first beam grouping information and/or the second beam grouping information according to the measurement result, thereby effectively ensuring accurate and reliable acquisition of the first beam grouping information and/or the second beam grouping information. Sex.
  • the terminal UE can determine whether the beam or the beam pair can be divided into a group according to the received signal strength or signal power, and the main interference received, to determine whether the beam or the beam pair can be divided into a group. Acquiring first beam packet information and/or second beam packet information. Further, the UE may also perform feedback based on the foregoing grouping situation, and the feedback information may include a beam and a corresponding beam group identifier. The feedback information may also include a beam pair and a corresponding beam pair group identification. When the implicit feedback is performed, the corresponding beam group identifier or the corresponding beam pair group identifier may not be fed back.
  • the beam management method may further include:
  • the terminal acquires a beam grouping principle and/or a third beam grouping information for performing beam grouping
  • the third beam grouping information may include: a threshold value for performing beam grouping, and/or a correspondence relationship between a threshold value and a beam grouping for performing beam grouping. Further, the correspondence between the threshold value and the beam packet used for the beam grouping may be a correspondence between the threshold value for performing the packet and the beam group identifier. The threshold value used for beam grouping may be one or more.
  • the beam grouping principle may include: a first grouping principle for grouping according to at least one of received signal strength, received signal power, and path loss information; and/or a second grouping for grouping according to a dominant interference signal strength a principle; and/or a third grouping principle for grouping according to content, wherein the content comprises: data content, and/or a transmission channel.
  • the data content includes at least one of the following: a beam direction, a beam width, a reference signal type, a reference signal configuration, a downlink transmission power of a reference signal, a beam transmission gain, and a beam reception gain.
  • the specific manner of obtaining the beam grouping principle and/or the third beam grouping information may be that the terminal directly receives from the network device, or the beam grouping principle and/or the third beam grouping information is pre-configured, and the terminal may directly obtain the foregoing advance.
  • the beam grouping principle and/or the third beam grouping information are configured.
  • S202 The terminal performs beam grouping according to a beam grouping principle and/or a third beam grouping information.
  • the beam or beam pair may be grouped by using the obtained beam grouping principle and/or the third beam grouping information to implement effective beam management. .
  • the beam grouping principle may include the first beam grouping principle.
  • an achievable manner is: performing beam grouping according to the beam grouping principle may include:
  • the terminal determines whether the received signal strength of the beam is within a preset threshold range of each beam group, and/or whether the received signal power of the beam is within a preset threshold range of each beam group. And/or, whether the path loss information of the beam is located within a preset threshold range corresponding to each beam group;
  • the first grouping principle is a principle for grouping according to at least one of received signal strength, received signal power, and path loss information, and therefore, when performing beam grouping according to the first grouping principle, it is required to be based on the received signal.
  • the comparison refers to the received signal strength or received signal power, or whether the path loss information is located in a threshold range corresponding to each group identifier sent by the network device; wherein the threshold range and/or the corresponding range of each group identifier is sent
  • the information may also be configured in advance by operation administration and management (OAM), or may be notified by over-the-air (OTA) signaling.
  • OAM operation administration and management
  • OTA over-the-air
  • S2022 Determine, according to the judgment result, a beam that belongs to each beam group.
  • the group management of the beam can be implemented based on the judgment result; for example, there are four beams of the beam 1, the beam 2, the beam 3, and the beam 4, and there are two beam groups: a first beam group and The second beam group; assume that the received signal strength, received signal power, and path loss information of beam 1 are a1, b1, and c1, respectively, and the received signal strength, received signal power, and path loss information of beam 2 are a2, b2, and c2, respectively.
  • the received signal strength, received signal power, and path loss information of beam 3 are a3, b3, and c3, respectively, and the received signal strength, received signal power, and path loss information of beam 4 are a4, b4, and c4, respectively, and the first beam group.
  • the threshold ranges corresponding to the received signal strength, the received signal power, and the path loss information are A1, B1, and C1, respectively; the received signal strength, the received signal power, and the path loss information corresponding to the path loss information of the second beam group are respectively A2.
  • B2 and C2 when the judgment result is that a1 and a3 belong to the threshold range A1 and a2 belongs to the threshold range A2, when the beams are grouped based on the received signal strength Beam 1 and beam 3 may be divided into a first beam group, beam 2 is divided into a second beam group, and beam 4 is to be divided; further, when the judgment result is that a1 and b1 belong to a threshold range A1, B1, a2 and b2 belong to a threshold In the range of A2 and B2, when the beam is grouped based on the received signal strength and the received signal power, the beam 1 can be divided into the first beam group, the beam 2 is divided into the second beam group, and the beam 3 and the beam 4 are to be divided; For example,
  • the terminal when the beam grouping principle includes the first beam grouping principle, the terminal can effectively group the beams based on the first beam grouping principle, thereby ensuring the quality and effect of beam grouping management, and further improving the stability and reliability of the method. Sex.
  • the beam grouping principle may include the second beam grouping principle
  • another achievable manner is that the beam grouping according to the beam grouping principle may include:
  • the terminal determines whether the interference signal strength of the beam is within a threshold range corresponding to a preset beam group.
  • the plurality of beams that are grouped are in at least one time domain unit and/or at least one frequency domain unit and/or at least one spatial domain unit
  • the transmission direction is different to reduce the impact of interference between beams on beam grouping.
  • the frequency domain resource is divided into frequency domain resource units, and the frequency domain resource unit includes at least one of a frequency band, a subband, or a physical resource block (PRB).
  • the time domain resource is divided into time domain resource units, and the time domain resource unit includes a superframe, a frame, a time slot, a subframe, a micro subframe, a microslot, and an Orthogonal Frequency Division Multiplexing (OFDM).
  • OFDM Orthogonal Frequency Division Multiplexing
  • the spatial domain resource is divided into spatial domain resource units, and the spatial domain resource unit includes at least one of a beam, a beam pair or an antenna port. These resource allocations can be pre-configured by the network device and notified to the UE. Therefore, beam-based packets also become multiple resource-related packets.
  • the resource is at least one of the foregoing time domain resource, frequency domain resource, and spatial domain resource.
  • a plurality of resource-related packets are packets based on path loss and/or primary interference on resources based on the same transmission direction.
  • the corresponding packet should at least consider different UUU interference type beam groups on the corresponding resources, UUD interference type beam group and UDD interference type beam group.
  • the beam/beam pair it is divided into threshold range ranges according to whether the detected path loss information or received signal strength belongs to a predefined group correlation; beams with similar received signal strengths are approximately divided into one In the group, such a beam can also be called a quasi-correlated QCL.
  • the second beam grouping principle is based on the main interference experienced (i.e., the interference signal strength), or the signal strength obtained by combining the interference (i.e., the received signal strength).
  • the comparison refers to whether the received main interference or signal strength is within a threshold range corresponding to each group identifier sent by the network device.
  • the threshold range and/or the information to be sent by each group identifier may also be configured in advance by operation management and management (OAM), or may be over-the-air (OTA) signaling. Make a notice.
  • OAM operation management and management
  • OTA over-the-air
  • S2024 Determine, according to the judgment result, a beam that belongs to each beam group.
  • the group management of the beam can be implemented based on the judgment result; for example, there are four beams of the beam 1, the beam 2, the beam 3, and the beam 4, and there are two beam groups: a first beam group and The second beam group; it is assumed that the interference signal strengths of the beam 1, the beam 2, the beam 3, and the beam 4 may be d1, d2, d3, and d4, respectively; and the threshold ranges corresponding to the interference signal strength of the first beam group are respectively D1 The threshold range corresponding to the interference signal strength of the second beam group is D2 respectively; when the judgment result is that d1 and d3 belong to the threshold range D1 and d2 belongs to the threshold range D2, when the beams are grouped based on the second beam grouping principle, Beam 1 and beam 3 can be divided into a first beam group, beam 2 is divided into a second beam group, and beam 4 is to be divided.
  • the terminal can effectively group the beams based on the second beam grouping principle, thereby ensuring the quality and effect of beam grouping management, and further improving the stability and reliability of the method. Sex.
  • the beam grouping principle may include the third beam grouping principle
  • another achievable manner is that the beam grouping according to the beam grouping principle may include:
  • S2025 Acquire received signal strength and/or interference signal strength based on the same data content and/or the same transmission channel;
  • the data content may include at least one of a beam direction, a beam width, a reference signal type, a reference signal configuration, a downlink transmission power of a reference signal, a beam transmission gain, and a beam receiving gain.
  • the beam transmit gain and the beam receive gain may be any one or more of a beam transmit gain of the terminal UE, a beam receive gain of the terminal UE, a beam transmit gain of the network device, and a beam receive gain of the network device.
  • S2026 Determine whether the received signal strength is within a threshold range corresponding to a preset beam group, and/or whether the interference signal strength is within a threshold range corresponding to a preset one of the beam groups;
  • the third beam grouping principle is based on different data content and/or transport channels, or data content based packets and/or transport channel based packets, comparisons.
  • the comparison refers to whether the received main interference (that is, the above-mentioned interference signal strength) or the signal strength (that is, the received signal strength) is located at the threshold corresponding to each group identifier sent by the network device. range.
  • the threshold range and/or the information to be sent by each group identifier may also be configured in advance by operation management and management (OAM), or may be over-the-air (OTA) signaling. Make a notice.
  • OFAM operation management and management
  • OTA over-the-air
  • S2027 Determine, according to the judgment result, a beam that belongs to each beam group.
  • the group management of the beam can be implemented based on the judgment result; for example, there are four beams of the beam 1, the beam 2, the beam 3, and the beam 4, and there are two beam groups: a first beam group and Second Beam group; assume that the received signal strength and interference signal strength of beam 1, beam 2, beam 3, and beam 4 can be a1 and d1, a2 and d2, a2 and d3, and a2 and d4, respectively; and the reception of the first beam group
  • the threshold ranges corresponding to the signal strength and the interference signal strength are respectively A1 and D1; the threshold ranges corresponding to the received signal strength and the interference signal strength of the second beam group are respectively A2 and D2; when the judgment result is that a1 and a3 belong to the threshold range When A1, a2 belong to the threshold range A2, when grouping the beams based on the received signal strength, beam 1 and beam 3 may be divided into a first beam group, beam 2 is divided into a second beam group, and beam 4 is to be divided;
  • the beam 4 is to be divided; when the judgment result is that a1 and d1 belong to the threshold ranges A1 and D1, and a3 and d3 belong to the threshold ranges A2 and D2, when the beams are grouped based on the received signal strength and the interference signal strength A beam can be classified into a first beam set, beam 3 is divided into the second beam set, beam 2 and beam 4 to be divided.
  • the terminal can effectively group the beams based on the third beam grouping principle, thereby ensuring the quality and effect of beam grouping management, and further improving the stability and reliability of the method. Sex.
  • the beam grouping principle includes the first beam grouping principle and the second beam grouping principle
  • the beam grouping can be simultaneously combined with the first beam grouping principle and the second beam grouping principle
  • the beam grouping principle includes The second beam grouping principle and the third beam grouping principle, or the first beam grouping principle and the third beam grouping principle
  • the method may further include:
  • S302 Determine, according to the received signal strength, whether the beam grouping principle and/or the third beam grouping information needs to be re-determined.
  • the received signal strength may be analyzed to determine whether the beam grouping principle and/or the third beam grouping information needs to be re-determined; specifically, whether the beam grouping principle needs to be re-determined according to the received signal strength / or the third beam grouping information may include:
  • the signal strength threshold is set in advance, and a specific value range of the signal strength threshold may be set by a person skilled in the art according to specific design requirements, and details are not described herein again.
  • the packet when the packet is based on the detection of the downlink transmission signal by the UE, it is used to determine the threshold of the packet ( And the corresponding group identifier may be configured by the network device and sent to the UE; the UE may further recommend a threshold for dividing the beam packet, or an offset of the threshold, and a division principle for the subgroup of the group and At least one of the sub-group identifiers is sent to the network device; specifically, the foregoing value is based on whether the received signal strength reaches an ideal value in the scheduling process; wherein, when the received signal strength is greater than or equal to the signal strength threshold, the received signal strength may be confirmed to be reached.
  • the ideal value at this time, no scheduling operation is required, that is, there is no need to re-determine the beam grouping principle and/or the third beam grouping information; and when the received signal strength is less than the signal strength threshold, the received signal strength can be determined. The ideal value is not reached. At this time, a scheduling operation is required, that is, the beam grouping principle and/or the third beam grouping information needs to be re-determined.
  • the method may further include:
  • S401 Generate suggestion information according to received signal strength
  • the terminal may generate corresponding suggestion information according to the received signal strength, where the suggestion information is used to reconfigure the beam grouping principle and/or the third beam grouping information to Improving the quality and efficiency of group management of beams based on beam grouping principles and/or third beam grouping information; wherein the suggestion information may include at least one of: a reconfigured group, a redefined group, a re-grouped group, a re The configured grouping threshold, the redefined grouping threshold, and the re-grouping threshold; specifically, the reconfigured group is the number of reconfigured groups; the redefined group is the redefined group The number, the re-divided group is the number of re-divided groups.
  • S402 Send suggestion information to the network device, where the suggestion information is used to reconfigure the beam packet principle and/or the third beam packet information.
  • the generated recommendation information may be sent to the network device.
  • the recommendation information may be sent to the network device by using at least one of the high layer signaling, the MAC layer signaling, and the physical layer signaling.
  • the network device can reconfigure the beam grouping principle and the third beam grouping information according to the suggestion information, thereby effectively improving the accuracy of grouping the beams based on the beam grouping principle and the third beam grouping information.
  • the implementation body of the method is a network device, and the network device may be a radio access network device, for example, a 5G base station, a new type. a radio base station (New radio eNB), a transmission point (TRP), a macro or micro base station, a high frequency base station, an LTE macro or a micro eNB, etc.
  • the method includes:
  • the network device configures a set of transmission resources for transmitting an uplink signal of a specific beam.
  • the uplink signal may include at least one of the following: a signal for uplink measurement, a signal for uplink signal state information acquisition, a signal for downlink channel state information acquisition, and a signal for beam management.
  • the uplink signal may include at least one of the following: a cell-specific signal CSI-RS, a sounding reference signal SRS, a demodulation reference signal DMRS, and a random access signal Preamble; and the transmission resource includes at least one of the following: Transmission resources at different times, transmission resources at different frequency domain locations on one beam, transmission resources at the same time or at different times on different beams, same frequency domain locations on different beams, or transmission resources at different frequency domain locations.
  • S502 The network device sends the configured transmission resource to the terminal.
  • the network device may send the configured transmission resource to the terminal.
  • the transmission resource may be sent to the terminal by using at least one of higher layer signaling, MAC layer signaling, and physical layer signaling.
  • the uplink signal may be sent according to the configured transmission resource.
  • the network device configures a set of transmission resources for transmitting an uplink signal of a specific beam, and sends the configured transmission resource to the terminal, so that the terminal can send based on the configured transmission resource.
  • the uplink signal is based on the transmitted uplink signal, and is convenient to implement the indication information for performing beam management, which ensures the practicability of the beam management method and is beneficial to the promotion and application of the market.
  • the method may further include:
  • the network device groups a transmission resource of a group of uplink signals for transmitting a specific beam.
  • the transmission resource may include: transmission resources at different times on one beam, transmission resources at different frequency domain locations on one beam, transmission resources at the same time or different times on different beams, the same frequency domain position on different beams, or Transmission resources of different frequency domain locations; therefore, the network device grouping transmission resources of a group of uplink signals for transmitting a specific beam may include:
  • the network device divides the transmission resource into one or more groups based on the time domain resource; or
  • the network device divides the transmission resource into one or more groups based on the frequency domain resource; or
  • the network device divides the transmission resource into one or more groups based on the spatial domain resource; or
  • the network device divides the transmission resource into one or more groups based on at least two of a time domain resource, a frequency domain resource, and a spatial domain resource.
  • step S503 and step S501 and step S502 have no execution order, that is, step S503 can be performed before or after any one of steps S501 and S502.
  • the transmission point TRP is taken as a network device as an example.
  • the TRP can determine the received signal strength value, and the TRP or multiple TRPs belong to the TRP or multiple TRPs.
  • the beam is divided into one beam group.
  • the network device may be configured in advance to the UE as a group of uplink resources, and the group of uplink resources is a transmission resource for transmitting a group of beam-specific uplink signals, for example, the configured resources are beam 1, beam 2, beam 5,
  • the resource of the beam 6 for SRS transmission, the resources are coordinated correspondingly on any one or more of the time domain resource, the frequency domain resource, the code domain resource, and the spatial domain resource.
  • the transmission point TRP can perform the detection packet, and the received signal strength of the uplink transmission signal belongs to a certain range as a group; the TRP does not need to send the packet threshold value and the group identifier to the UE; the TRP can further perform power control (
  • the power control parameter indicates that the power control parameter is specific to the beam group, that is, for a beam group, there is a corresponding set of power control parameter values; specifically, for one beam group, two sets of corresponding power control parameter values can be configured,
  • the set of conservative power control parameters is configured according to the minimum path loss or interference in the beam group, and the other set is a radical power control parameter, which is configured according to the largest path loss or interference in the beam group. of.
  • the method may further include:
  • the network device acquires beam grouping information.
  • the beam grouping information may include first beam grouping information and/or second beam grouping information; the first beam grouping information is the number of beam groups and/or the number of beams of each beam group; the number of beam groups includes The maximum number of beam groups and/or the number of preset beam groups; the number of beams per beam group includes the maximum number of beams in each beam group and/or the preset number of beams in each beam group.
  • the second beam grouping information is an identification of the beam group and/or a beam included in each beam group.
  • the beam grouping information is used for packet management of the beam, and the specific manner for acquiring the beam packet information is not limited, and those skilled in the art may set according to specific design requirements.
  • the beam grouping information may be pre-configured.
  • the network device can directly obtain the beam grouping information according to its own capabilities; or,
  • the execution subject of the packet management of the beam is the terminal UE, after the terminal UE performs the corresponding beam packet management, the corresponding beam packet information may be fed back to the network device, so that the network device can acquire the beam packet information.
  • the network device may perform group management on the beam based on the beam grouping information; when the beam grouping information is sent to the network by the terminal UE When the device is located, the network device can know the state information of the packet management of the beam by the terminal UE in time, thereby improving the stability and reliability of the beam management.
  • the beam grouping information may include a beam grouping principle and/or a third beam grouping information.
  • the beam management method further Can include:
  • the network device sends a beam grouping principle and/or a third beam grouping information for performing beam grouping to the terminal.
  • the third beam grouping information may include: a threshold value for performing beam grouping, and/or a correspondence relationship between a threshold value and a beam grouping for performing beam grouping.
  • the correspondence between the threshold value and the beam packet for performing beam grouping is a correspondence between a threshold value for performing packet grouping and a beam group identifier.
  • the threshold used to perform beam grouping may be one or more.
  • the beam grouping principle may include: a first grouping principle for grouping according to at least one of received signal strength, received signal power, and path loss information; and/or a second grouping principle for grouping according to a dominant interference signal strength And/or a third grouping principle for grouping according to content, wherein the content may include: data content, and/or a transmission channel.
  • the data content includes at least one of the following: beam direction, beam width, reference signal type, reference signal configuration, downlink transmission power of the reference signal, beam transmission gain, beam reception gain.
  • the network device may send, by using at least one of the high layer signaling, the MAC layer signaling, and the physical layer signaling, a beam grouping principle and/or a third beam grouping information for performing beam grouping on the terminal; After the beam grouping principle and/or the third beam grouping information, the beam may be grouped based on the received beam grouping principle and/or the third beam grouping information.
  • the specific implementation process refer to the implementation of S202 in the foregoing embodiment. The process will not be repeated here.
  • the group identifier of the beam or the beam pair may be implicitly indicated or explicitly indicated.
  • the implicit indication is that there is a certain pre-agreement between the network device and the UE, or is pre-configured. Therefore, from other information received in this manner, it can be derived which information corresponds to a certain group.
  • the group identifier of the implicit indication may not be included in the relevant signaling.
  • the explicit indication is clearly included in the signaling, indicating which information corresponds to a certain group.
  • the feedback information includes only the identifier of the corresponding beam or the identifier of the beam pair of the group identifier belonging to a certain group.
  • the packet indication information only includes the threshold value.
  • the threshold can be a series of thresholds that define the range to which each group belongs.
  • the path loss information needs to be obtained first.
  • the calculation of the path loss information is as follows:
  • the transmitting end is TRP
  • the receiving end is UE
  • the transmitting end gain is TRP transmission gain
  • the receiving end gain is UE receiving gain
  • the path loss is TRP transmission power minus UE receiving power, Therefore, the path loss includes the transmission gain of the TRP and the reception gain of the UE in addition to the actual transmission loss.
  • the transmitting end is the UE
  • the receiving end is the TRP
  • the gain of the transmitting end is the transmitting gain of the UE.
  • the gain of the receiving end is the receiving gain of the TRP;
  • the path loss is the transmitting power of the UE minus the receiving power of the TRP, so the path loss includes the transmitting gain of the UE and the receiving gain of the TRP in addition to the actual transmission loss.
  • the received signal strength value in this application may be any reference signal received value such as RSRP or RSRQ or RSSI.
  • the transmission loss used in the uplink power control can be measured by the transmission loss of the downlink measurement.
  • the network side sends the transmit gain of the TRP, and/or the receive gain of the TRP.
  • the current received signal strength value is subtracted according to the transmission power of the TRP side plus the transmission gain of the TRP, and the received gain of the UE is subtracted, wherein the received signal strength value may be Any reference signal such as RSRP or RSRQ or RSSI receives the value and derives the resulting value as the path loss.
  • the UE performs beam grouping according to the path loss and the grouping principle indicated by the network device.
  • the UE when the UE calculates the path loss, the current received signal strength value is subtracted according to the transmission power of the TRP side plus the transmission gain of the TRP, where the received signal strength value may be RSRP or RSRQ or RSSI, etc. Any reference signal received value, derived from the path loss.
  • the UE performs beam grouping according to the path loss and the grouping principle indicated by the network device.
  • a TRP transmission gain including: at least one of a TRP transmission gain, a TRP reception gain, and any signaling may be indicated by at least one or a combination of an RRC layer, a MAC layer, and physical layer signaling. In particular, it can be indicated by higher layer signaling.
  • a new IE can be added by adding new system information or existing system information. It can be configured by high-layer signaling and activated or deactivated by physical layer signaling, where the physical layer signaling can be dynamic signaling in the PDCCH order.
  • the network side does not need to send the TRP transmission gain, and does not need to send the TRP reception gain.
  • the UE calculates the path loss, according to the TRP side.
  • the transmission power is subtracted from the current received signal strength value and the received gain of the UE is subtracted (where the received signal strength value can be any reference signal received value such as RSRP or RSRQ or RSSI), and the derived value is subtracted from the UE transmit beamforming gain.
  • Get PL' The UE performs beam grouping according to the path loss and the grouping principle indicated by the network device.
  • the network side does not need to send the TRP transmission gain, and does not need to send the TRP reception gain.
  • the UE calculates the path loss
  • the current received signal strength value is subtracted according to the transmission power of the TRP side (where the received signal strength value may be any reference signal received value such as RSRP or RSRQ or RSSI), and the obtained value is derived as the path loss.
  • the UE performs beam grouping according to the path loss and the grouping principle indicated by the network device.
  • the UE can re-evaluate the beam grouping principle and/or the beam grouping information based on the above situation, which is beneficial to determine a new beam grouping principle and/or beam grouping information, thereby improving The precise reliability of grouping the beams based on the beam grouping principle and/or beam grouping information described above.
  • a grouped beam or beam pair can belong to one TRP or multiple TRPs.
  • the information exchange on the interface between the TRPs allows the TRP to learn from each other at least one of the packet situation, the feedback measurement report, and the configured power control parameters. If the interface between the TRPs is an ideal interface, the information exchange delay and capacity on the interface between the TRPs are not a problem. Otherwise, the signaling cost of the interface between the TRPs needs to be considered.
  • the beam management method provided by the present application can effectively solve beam grouping of a large number of beams in a millimeter wave system Problem, beam grouping or beam pair grouping helps to reduce the cost of beam management; determining a specific grouping scheme by considering various reference signals, complex interference environments, and beamforming of millimeter baud, through the determined grouping scheme
  • the reduction of the overhead of the channel measurement report and the reduction of the configuration of the power control parameters further improve the practicability of the method and are beneficial to the promotion and application of the market.
  • the present embodiment provides a terminal, where the terminal can be used to perform the foregoing method for beam management.
  • the terminal may include:
  • a first acquiring unit 101 configured to acquire first beam grouping information and second beam grouping information
  • the first sending unit 102 is configured to feed back, by the network device, first beam packet information and second beam packet information;
  • the first beam grouping information includes: the number of beam groups and/or the number of beams of each beam group; the number of beam groups includes the maximum number of beam groups and/or the number of preset beam groups; The number of beams per beam group includes the maximum number of beams in each beam group and/or a preset number of beams in each beam group; the second beam grouping information may include: an identification of the beam group and/or each The beams included in the beam group.
  • the implementation principle and the implementation effect of the first obtaining unit 101 and the first sending unit 102 in this embodiment are similar to the implementation principles and technical effects of the steps S101-S102 in the foregoing embodiment.
  • the first acquiring unit 101 when the first acquiring unit 101 acquires the first beam grouping information and the second beam grouping information, the first acquiring unit 101 may be configured to: determine, by the terminal itself. One beam packet information and second beam packet information.
  • the first acquiring unit 101 may be configured to perform the following steps: performing measurement on the first reference signal, where A reference signal is at least one of a synchronization signal, a cell reference signal, a channel state information reference signal, and a channel state information measurement pilot signal; and the first beam packet information and/or the second beam packet information is determined according to the measurement result.
  • a reference signal is at least one of a synchronization signal, a cell reference signal, a channel state information reference signal, and a channel state information measurement pilot signal
  • the first beam packet information and/or the second beam packet information is determined according to the measurement result.
  • the implementation principle and the implementation effect of the first obtaining unit 101 in this embodiment are similar to the implementation principles and technical effects of the steps S1011, S10111-S10112 in the foregoing embodiment. For details, refer to the foregoing content, and details are not described herein again.
  • the first acquiring unit 101 may be further configured to acquire beam grouping principles and/or third beam grouping information for performing beam grouping;
  • the terminal may further include: a first grouping unit 103, configured to perform beam grouping according to the beam grouping principle and/or the third beam grouping information.
  • the third beam grouping information may include: a threshold value for performing beam grouping, and/or a correspondence relationship between a threshold value and a beam grouping for performing beam grouping.
  • the correspondence between the threshold value and the beam packet for performing beam grouping is a correspondence between a threshold value for performing packet grouping and a beam group identifier.
  • the threshold used to perform beam grouping may be one or more.
  • the beam grouping principle may include: a first grouping principle for grouping according to at least one of received signal strength, received signal power, and path loss information; and/or a second grouping principle for grouping according to a dominant interference signal strength And/or a third grouping principle for grouping according to content, wherein the content comprises: data content, and/or a transmission channel.
  • the data content includes at least one of the following: beam direction, beam width, reference signal type, reference signal configuration, downlink transmission power of the reference signal, beam transmission gain, beam reception gain.
  • the first grouping unit 103 when the beam grouping principle is the first grouping principle, at this time, as an achievable manner, when the first grouping unit 103 performs beam grouping according to the beam grouping principle, the first grouping unit 103 can be used for Execute Next steps:
  • the first grouping unit 103 can be used to perform the following: Step: Determine whether the interference signal strength of the beam is within a preset threshold range of a certain beam group; and determine a beam to which each beam group belongs according to the determination result.
  • the plurality of beams that are grouped are in at least one time domain unit and/or at least one frequency domain unit and/or at least one spatial domain unit The direction of transmission is different.
  • the first grouping unit 103 can be used to perform the following: Step: obtaining received signal strength and/or interference signal strength based on the same data content and/or the same transmission channel; determining whether the received signal strength is within a threshold range corresponding to a preset certain beam group, and/or, Whether the interference signal strength is within a preset threshold range of a certain beam group; determining a beam to which each beam group belongs according to the determination result.
  • the implementation principle and the implementation effect of the first obtaining unit 101 and the first grouping unit 103 in this embodiment are similar to the implementation principles and technical effects of the steps S201-S202 and S2021-S2027 in the foregoing embodiment. For details, refer to the above statement. I will not repeat them here.
  • the first acquiring unit 101 and the first grouping unit 103 in this implementation may perform the following steps.
  • the first obtaining unit 101 is further configured to acquire the received signal strength after acquiring the beam grouping principle and/or the third beam grouping information for performing beam grouping;
  • the first grouping unit 103 is configured to determine, according to the received signal strength, whether the beam grouping principle and/or the third beam grouping information needs to be re-determined.
  • the first grouping unit 103 may be specifically configured to perform: receiving the signal strength and the preset The signal strength threshold is compared; if the received signal strength is less than or equal to the preset signal strength threshold, the beam grouping principle and/or the third beam grouping information needs to be re-determined; or if the received signal strength is greater than the preset signal strength threshold , there is no need to re-determine the beam grouping principle and/or the third beam grouping information.
  • the implementation principle and the implementation effect of the first obtaining unit 101 and the first grouping unit 103 in this embodiment are similar to the implementation principles and technical effects of the steps S301-S302 and S3021-S3023 in the foregoing embodiment. For details, refer to the foregoing statement. I will not repeat them here.
  • the terminal may further include:
  • the generating unit 104 is configured to generate suggestion information according to the received signal strength after the beam grouping principle and/or the third beam grouping information needs to be re-determined; wherein the suggesting information includes at least one of the following: a reconfigured group, a re-determination a group, a regrouped group, a reconfigured grouping threshold, a redefined grouping threshold, and a reclassified grouping threshold; specifically, the reconfigured group is the number of reconfigured groups; The defined group is the number of redefined groups, and the re-grouped group is the number of re-divided groups.
  • the first sending unit 102 is further configured to send suggestion information to the network device, where the suggestion information is used to reconfigure the beam grouping principle and/or the third beam grouping information.
  • the implementation principle and the implementation effect of the first sending unit 102 and the generating unit 104 in this embodiment are similar to the implementation principles and technical effects of the steps S401-S402 in the foregoing embodiment. For details, refer to the foregoing content, and details are not described herein again.
  • the terminal provided by this embodiment acquires first beam grouping information and second beam grouping information by using the first acquiring unit 101, where the first beam grouping information and the second beam grouping information are used for grouping and managing beams;
  • the effective management of the beam by the terminal overcomes the mechanism of the prior art that there is no effective beam grouping, which is inconvenient to manage the beam, and the beam-group-specific power can be performed based on the grouped beam.
  • Control or report reporting based on the beam group can effectively reduce the overhead of reporting, ensure the practicability of the terminal, and facilitate the promotion and application of the market.
  • the network device may be used to perform the foregoing method for beam management.
  • the network device may include:
  • the configuration unit 201 is configured to configure a transmission resource of a group of uplink signals for transmitting a specific beam.
  • a second sending unit 202 configured to send the configured transmission resource to the terminal
  • the uplink signal includes at least one of the following: a signal for uplink measurement, a signal for uplink signal state information acquisition, a signal for downlink channel state information acquisition, and a signal for beam management.
  • the uplink signal may include at least one of the following: a cell-specific signal CSI-RS, a sounding reference signal SRS, a demodulation reference signal DMRS, and a random access signal Preamble; and the transmission resource includes at least one of the following: Transmission resources at different times, transmission resources at different frequency domain locations on one beam, transmission resources at the same time or at different times on different beams, same frequency domain locations on different beams, or transmission resources at different frequency domain locations.
  • the network device may further include:
  • the second grouping unit 203 is configured to group a transmission resource of a group of uplink signals for transmitting a specific beam.
  • the second grouping unit 203 may be configured to perform the following steps: the network device divides the transmission resource based on the time domain resource. One or more groups; or, the network device divides the transmission resources into one or more groups based on the frequency domain resources; or, the network device divides the transmission resources into one or more groups based on the spatial domain resources, or the network device is based on At least two of the time domain resource, the frequency domain resource, and the spatial domain resource divide the transmission resource into one or more groups.
  • the network device may further include:
  • a second acquiring unit 204 configured to acquire beam grouping information
  • the beam grouping information includes first beam grouping information and/or second beam grouping information; the first beam grouping letter The information is the number of beam groups and/or the number of beams per beam group; the number of beam groups includes the maximum number of beam groups and/or the number of preset beam groups; the beam number of each beam group The number includes the maximum number of beams in each beam group and/or a preset number of beams in each beam group; the second beam grouping information is an identification of the beam group and/or a beam included in each beam group.
  • the beam grouping information includes a beam grouping principle and/or a third beam grouping information
  • the second sending unit 202 is further configured to: send a beam grouping principle and/or third beam grouping information for performing beam grouping to the terminal.
  • the third beam grouping information may include: a threshold value for performing beam grouping, and/or a correspondence relationship between a threshold value and a beam grouping for performing beam grouping.
  • the correspondence between the threshold value and the beam packet used for performing beam grouping is a correspondence relationship between the threshold value for performing packet grouping and the beam group identification.
  • the threshold used to perform beam grouping may be one or more.
  • the beam grouping principle includes: a first grouping principle for grouping according to at least one of received signal strength, received signal power, and path loss information; and/or a second grouping principle for grouping according to a dominant interference signal strength And/or a third grouping principle for grouping according to content, wherein the content comprises: data content, and/or a transmission channel.
  • the data content includes at least one of the following: beam direction, beam width, reference signal type, reference signal configuration, downlink transmission power of the reference signal, beam transmission gain, beam reception gain.
  • the network device provided by the present application can effectively solve the beam grouping problem of a large number of beams in a millimeter wave system, and beam grouping or beam pair grouping can help reduce the cost of beam management; by considering various reference signals, complex interference environments, and The beamforming of the millimeter baud determines a specific grouping scheme, and the reduction of the channel measurement report and the overhead reduction of the power control parameter can be realized by the determined grouping scheme, thereby further improving the practicability of the network device and facilitating the market. Promotion and application.
  • the network device is configured to perform the beam management method corresponding to the foregoing FIG. 9 .
  • the network device includes: a first processor 301 and a first
  • the memory 302 has a program instruction stored in the first memory 302.
  • the first processor 301 is configured to run the program instructions stored in the memory.
  • the number of the first processor 301 may be one or more, and may be separate. Or working together, the first processor 301 is configured to:
  • the uplink signal includes at least one of the following: a signal for uplink measurement, a signal for uplink signal state information acquisition, a signal for downlink channel state information acquisition, and a signal for beam management.
  • the uplink signal may include at least one of the following: a cell-specific signal CSI-RS, a sounding reference signal SRS, a demodulation reference signal DMRS, and a random access signal Preamble; and the transmission resource includes at least one of the following: a difference in one beam Transmission resources of time, transmission resources of different frequency domain locations on one beam, transmission resources of the same time or different time on different beams, same frequency domain locations on different beams or transmission resources of different frequency domain locations.
  • the first processor 301 may be further configured to group a transmission resource of a group of uplink signals for transmitting a specific beam. Specifically, in the first processor 301, a group of uplink signals for transmitting a specific beam is used.
  • the transmission resource When the transmission resource is grouped, it may be configured to: divide the transmission resource into one or more groups based on the time domain resource; or divide the transmission resource into one or more groups based on the frequency domain resource; or, based on the spatial domain resource The transmission resources are divided into one or more groups, or the transmission resources are divided into one or more groups based on at least two of the time domain resources, the frequency domain resources, and the spatial domain resources.
  • the first processor 301 at this time may perform the steps S501-S502, S503, and S5031-S5033 of the method shown in the foregoing embodiment.
  • steps S501-S502, S503, and S5031-S5033 of the method shown in the foregoing embodiment.
  • the first memory 302 is used to store a program that implements the above method embodiments, or the various units of the embodiment shown in FIG. 12, and the first processor 301 calls the program to perform the operations of the foregoing method embodiments to implement the method shown in FIG. The functional role achieved by each unit.
  • part or all of the above units may be implemented by being embedded in a chip of the device in the form of an integrated circuit. And they can be implemented separately or integrated. That is, the above units may be configured to implement one or more integrated circuits of the above method, for example, one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (digital singnal processor) , DSP), or one or more Field Programmable Gate Arrays (FPGAs).
  • ASICs Application Specific Integrated Circuits
  • microprocessors digital singnal processor
  • FPGAs Field Programmable Gate Arrays
  • the first processor 301 may be further configured to: acquire beam grouping information; wherein the beam grouping information includes first beam grouping information and/or second beam grouping information; the first beam grouping information is The number of beam groups and/or the number of beams per beam group; the number of beam groups includes the maximum number of beam groups and/or the number of preset beam groups; the number of beams per beam group includes The maximum number of beams in each beam group and/or a preset number of beams in each beam group; the second beam grouping information is an identification of the beam group and/or a beam included in each beam group.
  • the first processor 301 at this time may perform the step S601 of the method shown in the foregoing embodiment.
  • the foregoing content and details are not described herein again.
  • the beam grouping information may include a beam grouping principle and/or a third beam grouping information.
  • the first processor 301 may be configured to: transmit a beam grouping principle for performing beam grouping to the terminal and/or a third Beam grouping information.
  • the third beam grouping information may include: a threshold value for performing beam grouping, and/or a correspondence relationship between a threshold value and a beam grouping for performing beam grouping.
  • the correspondence between the threshold value and the beam packet used for performing beam grouping is a correspondence relationship between the threshold value for performing packet grouping and the beam group identification.
  • the threshold used to perform beam grouping may be one or more.
  • the beam grouping principle includes: a first grouping principle for grouping according to at least one of received signal strength, received signal power, and path loss information; and/or a second grouping principle for grouping according to a dominant interference signal strength And/or a third grouping principle for grouping according to content, wherein the content comprises: data content, and/or a transmission channel.
  • the data content includes at least one of the following: beam direction, beam width, reference signal type, reference signal configuration, downlink transmission power of the reference signal, beam transmission gain, beam reception gain.
  • the first processor 301 at this time may perform step S701 of the method shown in the foregoing embodiment.
  • step S701 of the method shown in the foregoing embodiment.
  • the present embodiment provides a terminal for performing the beam management method corresponding to the foregoing FIG. 1 to FIG. 8 .
  • the terminal includes: a second processor 401 and The second memory 402 stores the program instructions, and the second processor 401 is configured to run the program instructions stored in the second memory, wherein the number of the second processors 401 may be one or more. And can work alone or in combination; the second processor 401 can be configured to:
  • the first beam grouping information includes: the number of beam groups and/or the number of beams of each beam group; the number of beam groups includes the maximum number of beam groups and/or the number of preset beam groups; The number of beams per beam group includes the maximum number of beams in each beam group and/or a preset number of beams in each beam group; the second beam grouping information may include: an identification of the beam group and/or each The beams included in the beam group.
  • the second processor 401 at this time may perform the steps S101-S102 of the method shown in the foregoing embodiment.
  • steps S101-S102 of the method shown in the foregoing embodiment.
  • the second memory 402 is configured to store a program for implementing the above method embodiments, or the respective units of the embodiment shown in FIG. 11, and the second processor 401 calls the program to perform the operations of the foregoing method embodiments to implement the method shown in FIG. The functional role achieved by each unit.
  • part or all of the above units may be implemented by being embedded in a chip of the device in the form of an integrated circuit. And they can be implemented separately or integrated. That is, the above units may be configured to implement one or more integrated circuits of the above method, for example, one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (digital singnal processor) , DSP), or one or more Field Programmable Gate Arrays (FPGAs).
  • ASICs Application Specific Integrated Circuits
  • microprocessors digital singnal processor
  • FPGAs Field Programmable Gate Arrays
  • the second processor 401 when the second processor 401 acquires the first beam grouping information and the second beam grouping information, the second processor 401 may be configured to: determine by the terminal itself. First beam packet information and second beam packet information.
  • the second processor 401 may be configured to: perform measurement on the first reference signal, where the first reference The signal is at least one of a synchronization signal, a cell reference signal, a channel state information reference signal, and a channel state information measurement pilot signal; and the first beam packet information and/or the second beam packet information is determined according to the measurement result.
  • the second processor 401 may be further configured to: acquire beam grouping principles and/or third beam grouping information for performing beam grouping; according to beam grouping principles And/or third beam packet information for beam grouping.
  • the third beam grouping information may include: a threshold value for performing beam grouping, and/or a correspondence relationship between a threshold value and a beam grouping for performing beam grouping.
  • the correspondence between the threshold value and the beam packet for performing beam grouping is a correspondence between a threshold value for performing packet grouping and a beam group identifier.
  • the threshold used to perform beam grouping may be one or more.
  • the beam grouping principle may include: a first grouping principle for grouping according to at least one of received signal strength, received signal power, and path loss information; and/or a second grouping principle for grouping according to a dominant interference signal strength And/or a third grouping principle for grouping according to content, wherein the content comprises: data content, and/or a transmission channel.
  • the data content includes at least one of the following: beam direction, beam width, reference signal type, reference signal configuration, downlink transmission power of the reference signal, beam transmission gain, beam reception gain.
  • the second processor 401 can be configured. For:
  • the second processor 401 can be configured to: Determining whether the interference signal strength of the beam is within a threshold range corresponding to a preset beam group; determining a beam to which each beam group belongs according to the determination result.
  • the plurality of beams that are grouped are in at least one time domain unit and/or at least one frequency domain unit and/or at least one spatial domain unit The direction of transmission is different.
  • the second processor 401 can be configured to: Acquiring the received signal strength and/or the interference signal strength based on the same data content and/or the same transmission channel; determining whether the received signal strength is within a threshold range corresponding to a preset certain beam group, and/or, the interference signal Whether the strength is within a preset threshold range of a certain beam group; determining the beam to which each beam group belongs according to the judgment result.
  • the implementation principle and the implementation effect of the second processor 401 in this embodiment are similar to the implementation principles and technical effects of the steps S201-S202 and S2021-S2027 in the foregoing embodiment. For details, refer to the foregoing description, and details are not described herein again.
  • the second processor 401 may be configured to: acquire beam grouping principles and/or third beam grouping information for performing beam grouping. Thereafter, the received signal strength is acquired; whether the beam grouping principle and/or the third beam grouping information needs to be re-determined is determined according to the received signal strength.
  • the second processor 401 may be configured to: the received signal strength and the preset The signal strength threshold is compared; if the received signal strength is less than or equal to the preset signal strength threshold, the beam grouping principle and/or the third beam grouping information needs to be re-determined; or, if the received signal strength is greater than the preset signal strength threshold, There is then no need to re-determine the beam grouping principle and/or the third beam grouping information.
  • the second processor 401 can be configured to:
  • the suggestion information is generated according to the received signal strength; wherein the suggestion information includes at least one of the following: a reconfigured group, a redefined group, a re-divided group, Reconfigured grouping threshold, redefined grouping threshold, reclassified grouping threshold; specifically, the reconfigured group is the number of reconfigured groups; the redefined group is the redefined group The number of re-divided groups is the number of re-divided groups.
  • the suggestion information is sent to the network device, the suggestion information being used to reconfigure the beam packet principle and/or the third beam packet information.
  • the present application also provides a computer readable storage medium, including instructions, when executed on a computer, causing a computer to perform the beam management method corresponding to the above-mentioned FIG. 1 to FIG. 8, or may also perform The method of beam management that the terminal corresponding to FIG. 11 can perform.
  • the present application also provides another computer readable storage medium, including instructions, when executed on a computer, causing the computer to perform the beam management method corresponding to FIG. 9 described above, or alternatively, FIG. 12 can be executed.
  • the beams (beam sets) described herein may also be referred to as beam subsets or beam groups.
  • the air interface signaling and/or indication signaling described in the full text may be at least one of RRC signaling, MAC layer signaling, and physical layer signaling. It can also be pre-configured for RRC signaling and activated or deactivated by physical layer signaling.
  • the indication signaling is signaling of information indicated by the network device to the UE. Any air interface signaling and/or indication signaling can be one message or multiple messages.
  • the RRC signaling is a semi-static configuration, and the physical layer signaling is a dynamic configuration.
  • the physical layer signaling may be a PDCCH order.
  • the feedback information in the full text may be feedback through PUCCH or PUSCH.
  • the bearer signaling is at least one of RRC signaling, MAC layer signaling, and physical layer signaling.
  • the physical resource block is a resource corresponding to 12 consecutive carriers in the frequency domain (180K in the case of 15K carrier spacing) and one time slot (half subframe, 0.5 ms) in the time domain. .
  • the PRB has 12 rows and 7 columns, each column represents one OFDM symbol, and each row represents one subcarrier.
  • Resource Element corresponds to one subcarrier in frequency, and corresponds to one OFDM symbol in the time domain.
  • Subband consists of several subcarriers.
  • Time slot 7 OFDM symbols correspond to one time slot, and the time slot length is 0.5 ms.
  • Subframe One subframe includes two slots, and the subframe length is 1 ms.
  • Radio frame One radio frame includes 10 subframes.
  • Superframe One superframe includes 51 multiframes, and one multiframe includes 26 subframes.
  • Micro subframe Also known as a mini subframe, the micro subframe is smaller than the length of the subframe, and the micro subframe includes fewer OFDM symbols than the subframe.
  • Microslot Also known as a minislot, the minislot is smaller than the length of the slot, and the minislot includes fewer OFDM symbols than the slot.
  • the time slot includes a first type of time slot and a second type of time slot, the second type of time slot has the same definition as the time slot in the LTE system, and the second type of time slot includes the second type of uplink time slot and the second type of downlink time slot.
  • the second type of uplink time slot includes a Physical Uplink Shared Channel (PUSCH) and a Physical Uplink Control Channel (PUCCH);
  • the second type of downlink time slot includes a Physical Downlink Shared Channel (Physical Downlink Shared). Channel (referred to as PDSCH) and Physical Downlink Control Channel (PDCCH).
  • the first type of time slot is a new type of time slot, also known as a self-contained time slot, a new radio time slot, a bidirectional time slot or a mixed time slot.
  • the first type of time slot includes a first type of downlink time slot and a first type of uplink time slot.
  • the first type of uplink time slots include a PDCCH, a PUSCH, and a PUCCH.
  • the first type of downlink time slots include a PDCCH, a PDSCH, and a PUCCH.
  • the PDCCH occupies the first few OFDM symbols of one slot (such as the first two or the first three OFDM symbols), and the PUCCH occupies the last few OFDM symbols of one slot (such as the last two or last) The three OFDM symbols), the PUSCH occupies an OFDM symbol between the PDCCH and the PUCCH, and there is a transition interval or a guard interval between the PDCCH and the PUSCH.
  • the PDCCH occupies the first few OFDM symbols of one slot (such as the first two or the first three OFDM symbols), and the PUCCH occupies the last few OFDM symbols of one slot (such as the last two or The last three OFDM symbols), the PDSCH occupies an OFDM symbol between the PDCCH and the PUCCH, and there is a transition interval or a guard interval between the PDSCH and the PUCCH.
  • the PDCCH is used to transmit downlink control information
  • the PUCCH is used to transmit uplink control information
  • the PUSCH is used to transmit uplink data
  • the PDSCH is used to transmit downlink data.
  • the subframe includes a first type of subframe and a second type of subframe
  • the second type of subframe is a subframe in the LTE system
  • the second type of subframe includes a second type of uplink subframe and a second type of downlink subframe
  • second The class-based uplink subframe includes: a PUCCH and a PUSCH
  • the second type of downlink subframe includes: a PDCCH and a PDSCH.
  • the first type of subframe is a new type of subframe, which is also called a self-contained subframe, a new radio subframe, a bidirectional subframe, or a hybrid subframe.
  • the first type of subframe includes a first type of downlink subframe and a first type of uplink subframe.
  • the first type of uplink subframe includes a PDCCH, a guard interval, a PUSCH, and a PUCCH.
  • the first type of downlink subframes include: PDCCH, PDSCH, guard interval, and PUCCH.
  • the first type of uplink subframe may also be referred to as an uplink dominant subframe or an uplink center subframe, and the first type downlink subframe may also be referred to as a downlink dominant subframe or a downlink center subframe.
  • the PDCCH occupies the first few OFDM symbols of one subframe (such as the first two or the first three OFDM symbols), and the PUCCH occupies the last OFDM symbols of one subframe (such as the last two or The last three OFDM symbols), the PUSCH occupies an OFDM symbol between the PDCCH and the PUCCH, and there is a guard interval between the PDCCH and the PUSCH.
  • the PDCCH occupies the first few OFDM symbols of one subframe (such as the first two or the first three OFDM symbols), and the PUCCH occupies the last OFDM symbols of one subframe (such as the last two or The last three OFDM symbols), the PDSCH occupies an OFDM symbol between the PDCCH and the PUSCH, and there is a guard interval between the PDSCH and the PUCCH.
  • a 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, computer instructions can be wired from a website site, computer, server or data center (eg Coax, fiber, Digital Subscriber Line (DSL) or wireless (eg, infrared, wireless, microwave, etc.) to another website, computer, server, or data center.
  • 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.
  • Useful media can be magnetic media (eg, floppy disk, hard disk, magnetic tape), optical media (eg, DVD), or semiconductor media (eg, Solid State Disk (SSD)), and the like.
  • the functions described in the embodiments of the present application may be implemented in hardware, software, firmware, or any combination thereof.
  • the functions may be stored in a computer readable medium or transmitted as one or more instructions or code on a computer readable medium.
  • the computer readable medium includes a computer storage medium and a communication medium, wherein the communication medium includes a convenient one from Transfer any media from a computer program to another location.
  • a storage medium may be any available media that can be accessed by a general purpose or special purpose computer.

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Abstract

L'invention concerne un procédé de gestion de faisceau, un dispositif de réseau et un terminal. Le procédé comprend les étapes suivantes : un terminal acquiert des premières informations de regroupement de faisceaux et des secondes informations de regroupement de faisceaux ; et le terminal envoie les premières informations de regroupement de faisceaux et les secondes informations de regroupement de faisceaux à un dispositif de réseau, les premières informations de regroupement de faisceaux comprenant : le nombre de groupes de faisceaux et/ou le nombre de faisceaux dans chaque groupe de faisceaux, le nombre de groupes de faisceaux comprenant le nombre maximal de groupes de faisceaux et/ou le nombre de groupes de faisceaux prédéfinis, et le nombre de faisceaux dans chaque groupe de faisceaux comprenant le nombre maximal de faisceaux dans chaque groupe de faisceaux et/ou le nombre prédéfini de faisceaux dans chaque groupe de faisceaux ; et les secondes informations de regroupement de faisceaux comprennent : un identifiant d'un groupe de faisceaux et/ou de faisceaux inclus dans chaque groupe de faisceaux. La présente invention permet la réduction des coûts de gestion de faisceau. Une solution de regroupement spécifique est déterminée au moyen de la prise en considération de divers signaux de référence, d'un environnement d'interférence complexe et d'une formation de faisceau spécifique à des ondes millimétriques, et le surdébit de rapport de mesure de canal peut être réduit au moyen de la solution de regroupement.
PCT/CN2017/096681 2017-05-10 2017-08-09 Procédé de gestion de faisceau, dispositif de réseau et terminal WO2018205436A1 (fr)

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CN117440389A (zh) * 2022-07-14 2024-01-23 维沃移动通信有限公司 波束调整方法、信息交互方法、装置及设备

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