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WO2018126420A1 - Procédé de communication, dispositif terminal, et dispositif de réseau - Google Patents

Procédé de communication, dispositif terminal, et dispositif de réseau Download PDF

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Publication number
WO2018126420A1
WO2018126420A1 PCT/CN2017/070332 CN2017070332W WO2018126420A1 WO 2018126420 A1 WO2018126420 A1 WO 2018126420A1 CN 2017070332 W CN2017070332 W CN 2017070332W WO 2018126420 A1 WO2018126420 A1 WO 2018126420A1
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WIPO (PCT)
Prior art keywords
cell
neighboring cell
information
terminal device
candidate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
PCT/CN2017/070332
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English (en)
Chinese (zh)
Inventor
杨宁
刘建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN201780049892.6A priority Critical patent/CN109565865A/zh
Priority to PCT/CN2017/070332 priority patent/WO2018126420A1/fr
Priority to TW106145868A priority patent/TWI683584B/zh
Publication of WO2018126420A1 publication Critical patent/WO2018126420A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the embodiments of the present application relate to the field of communications, and more specifically, to a communication method, a terminal device, and a network device.
  • Beamforming technology is a digital signal processing technology based on antenna array. It has great advantages in terms of expanding coverage, improving edge throughput, and interference suppression.
  • the presence of a terminal device in a cell is primarily based on cell level reference signal measurements.
  • beamforming techniques since most of the networks are deployed in the low frequency band, the use of the beam is wide, and the beam is invisible to the terminal device, so the terminal device is performing mobility operations (such as cell selection, cell reselection). When switching or switching, only the cell information needs to be considered.
  • the embodiment of the present application provides a communication method, a terminal device, and a network device, which can improve the efficiency of the mobility management operation.
  • a communication method including: acquiring, by a terminal device, beam measurement information, where the beam measurement information is information of a beam or a beam group of a first cell detected by the terminal device, where the first cell includes a neighboring cell or a serving cell of the terminal device; the terminal device performs a mobility management operation based on the beam measurement information, where the mobility management operation includes cell selection, cell reselection, or measurement result reporting.
  • the terminal device acquires beam measurement information, and performs a mobility management operation according to the beam measurement information, where the beam measurement information is information of a beam or a beam group of the first cell detected by the terminal device, so that the terminal device By detecting the beam measurement information and considering the beam measurement information when performing the mobility management operation, the efficiency of the mobility management operation of the terminal device is improved.
  • the terminal device performs a mobility management operation based on the beam measurement information, including: the terminal device determines a candidate neighboring cell from the neighboring cell based on the beam measurement information; The terminal device determines a target cell for cell selection or cell reselection from the candidate neighboring cells, or the terminal device triggers a cell measurement report.
  • the beam measurement information includes a first beam number of a beam or a beam group that is found by the neighboring cell and meets a preset quality threshold
  • the cell measurement report includes first indication information, where the first indication information is used to indicate at least one of the following information: an identifier of the candidate neighboring cell, and a candidate neighboring cell
  • the first number of beams and the first number of beams of the candidate neighboring cell are greater than or equal to the first preset threshold.
  • the beam measurement information includes a beamwidth of a beam or a beam group discovered by the neighboring cell
  • the terminal device determines a candidate neighboring cell from the neighboring cell based on the beam measurement information.
  • the method includes: determining, by the terminal device, a candidate neighboring cell from the neighboring cell, where a beam width of a beam or a beam group discovered by the candidate neighboring cell conforms to a preset rule.
  • the beam width of the beam or the beam group of the candidate neighboring cell is in accordance with a preset rule, and the beam width of the beam or the beam group discovered by the candidate neighboring cell is greater than or equal to the beam width threshold.
  • the beamwidth of the beam or beam group found by the candidate neighboring cell is the beam with the largest beamwidth among the beams or beam groups found by the neighboring cell.
  • the cell measurement report includes second indication information, where the second indication information is used to indicate at least one of the following information: an identifier of the candidate neighboring cell, and a candidate neighbor cell discovery.
  • the beamwidth of the beam or beam group, the beamwidth of the beam or beam group discovered by the candidate neighboring cell is greater than or equal to the beamwidth threshold, and the beam or beamwidth threshold of the candidate neighboring cell discovery is the neighboring cell discovery The beam with the largest beamwidth in the beam or beam group.
  • the beam measurement information includes a transmit power of a beam or a beam group discovered by the neighboring cell
  • the terminal device determines a candidate neighbor cell from the neighboring cell based on the beam measurement information.
  • the method includes: determining, by the terminal device, a candidate neighboring cell from the neighboring cell, where a first distance between a beam or a beam group included in the candidate neighboring cell and the terminal device is less than a distance threshold, where the first distance is Determined according to the transmit power of the beam or beam group found by the candidate neighboring cell.
  • the cell measurement report includes third indication information, where the third indication information includes at least one of the following possible ones of the following information: The identifier of the neighboring cell, the first distance of the candidate neighboring cell, or the first distance of the candidate neighboring cell is smaller than the distance threshold.
  • the beam measurement information includes a first beam number of a beam or a beam group that is found by the neighboring cell and meets a preset quality threshold
  • the terminal device is based on the beam measurement information.
  • Determining a candidate neighboring cell in the neighboring cell includes: determining, by the terminal device, a candidate neighboring cell, where the candidate neighboring cell is the only neighboring cell that is found, and the number of the first beam of the candidate neighboring cell is smaller than the second pre-predetermined cell Set the threshold.
  • the cell measurement report includes fourth indication information and/or fifth indication information, where the fourth indication information indicates that the neighboring cell is the only neighbor cell that is found, and the fifth The indication information indicates at least one of the following information: the identifier of the candidate neighboring cell, the first number of beams of the candidate neighboring cell, and the number of the first beam of the candidate neighboring cell are smaller than the second preset Threshold.
  • the method further includes: determining, by the terminal device, beam configuration information, where the beam configuration information is used to indicate configuration information of a beam or a beam group included in the first cell; Performing mobility management operations on the beam measurement information includes: the terminal device performs mobility management operations based on the beam measurement information and the beam configuration information.
  • the terminal device performs mobility management operations based on the beam measurement information and the beam configuration information, including: the terminal device is based on the beam measurement information and the beam configuration information, Determining a candidate neighboring cell from the neighboring cell; the terminal device determines a target cell of the cell selection or cell reselection from the candidate neighboring cell, or the terminal device triggers a cell measurement report.
  • the beam measurement information includes a first beam number of a beam or a beam group of the neighboring cell, where the beam configuration information includes a total beam number of a beam or a beam group of the neighboring cell, Determining, by the terminal device, the candidate neighboring cell from the neighboring cell, according to the beam measurement information and the beam configuration information, the method includes: determining, by the terminal device, a candidate neighboring cell from the neighboring cell, the candidate neighboring cell The ratio of the first number of beams to the total number of beams of the beam or beam group included in the candidate neighboring cell is greater than or equal to a third predetermined threshold.
  • the cell measurement report includes sixth indication information, where the sixth indication information is used to indicate at least one of the following information: the first beam number and location of the candidate neighboring cell
  • the ratio of the total number of beams, the ratio of the first number of beams of the candidate neighboring cell to the total number of beams is greater than or equal to the second preset threshold.
  • the beam measurement information includes a first beam number of a beam or a beam group discovered by the neighboring cell, where the beam configuration information includes a total beam of a beam or a beam group included in the neighboring cell.
  • the determining, by the terminal device, the candidate neighboring cell from the neighboring cell based on the beam measurement information and the beam configuration information including: the terminal device determining a candidate neighboring cell, where the candidate neighboring cell is the only discovered The neighboring cell, and the ratio of the first beam number of the candidate neighboring cell to the total beam number of the included beam or beam group of the candidate neighboring cell is less than a fourth preset threshold.
  • the cell measurement report includes seventh indication information and/or eighth indication information, where the seventh indication information indicates that the candidate neighboring cell is the only neighboring cell that is found, where The eight indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, a ratio of the first beam number to the total number of beams, a ratio of the first beam number to the total beam number is smaller than Four preset thresholds.
  • the beam measurement information includes a second beam number of a beam or a beam group that meets a quality threshold found by the serving cell, and the terminal device performs mobility management operation based on the beam measurement information.
  • the method includes: when the second number of beams is less than a fifth preset threshold, the terminal device initiates cell measurement.
  • the beam configuration information includes at least one of: a total number of beams of a beam or a beam group included in the first cell, a beam or a beam group included in the first cell. a beam width, a transmit power of a beam or a beam group included in the first cell, a reference signal corresponding to a beam or a beam group included in the first cell, and a priority of a reference signal included in the first cell.
  • the beam configuration information includes an identifier of the first cell.
  • the beam configuration information includes an identifier of a beam or a beam group.
  • the determining, by the terminal device, beam configuration information that: the terminal device receives the beam configuration information from a network device.
  • the beam configuration information is carried in system information or dedicated information.
  • a second aspect provides a communication method, including: a network device receiving a cell measurement report from a terminal device, where the cell measurement report is used to indicate information about a candidate neighboring cell of the terminal device, where the cell measurement report is The terminal device is triggered based on the beam measurement information, where the beam measurement information is information about a beam or a beam group of the first cell detected by the terminal device, where the first cell A neighboring cell or a serving cell of the terminal device is included. Determining, by the network device, the candidate neighboring cell according to the cell measurement report; and determining, by the network device, a target cell of the cell handover of the terminal device from the candidate neighboring cell.
  • the network device receives the cell measurement report sent by the terminal device, and determines, according to the candidate neighbor cell information indicated by the cell measurement report, the target cell of the cell handover of the terminal device from the candidate neighboring cell, where the cell measurement report It is triggered according to the beam measurement information, and the network device considers the beam measurement information when performing cell handover, thereby improving the efficiency of the mobility management operation.
  • the cell measurement report includes first indication information, where the first indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, and a satisfaction of the candidate neighboring cell discovery.
  • the first beam number of the beam or beam group of the preset quality threshold and the first beam number of the candidate neighboring cell are greater than or equal to a first preset threshold.
  • the beam measurement information includes a beamwidth of a beam or a beam group discovered by the neighboring cell
  • the cell measurement report includes second indication information, where the second indication information includes the following information. At least one of: the identifier of the candidate neighboring cell, the beamwidth of the beam or beam group discovered by the candidate neighboring cell, the beamwidth of the beam or beam group discovered by the candidate neighboring cell is greater than or equal to the beamwidth threshold,
  • the beam or beamwidth threshold of the candidate neighboring cell discovery is the beam with the largest beamwidth among the beams or beam groups found by the neighboring cell.
  • the beam measurement information includes a transmit power of a beam or a beam group discovered by the neighboring cell
  • the cell measurement report includes third indication information, where the third indication information includes the following information. At least one of the identifiers of the candidate neighboring cells, the first distance between the beam or beam group included in the candidate neighboring cell and the terminal device, and the first distance of the candidate neighboring cell is less than a distance threshold, where The first distance is determined according to a transmit power of a beam or a beam group found by the candidate neighboring cell.
  • the beam measurement information includes a first beam number of a beam or a beam group that is met by the neighboring cell and meets a preset quality threshold
  • the cell measurement report includes fourth indication information and/or The fifth indication information
  • the fourth indication information indicates that the neighboring cell is the only neighbor cell that is discovered
  • the fifth indication information indicates at least one of the following information: the identifier of the candidate neighboring cell, the candidate neighbor The number of the first beam of the cell and the number of the first beam of the candidate neighboring cell are smaller than a second preset threshold.
  • the communication method further includes: the network device reporting the The terminal device sends beam configuration information, where the beam configuration information is used to indicate configuration information of a beam or a beam group included in the first cell, where the beam configuration information is used by the terminal device to perform a mobility management operation, where the mobile device
  • the sexual management operations include cell selection, cell reselection, or measurement result reporting.
  • the beam measurement information includes a first beam number of a beam or a beam group of the neighboring cell that meets a preset quality threshold, where the beam configuration information includes a beam of the neighboring cell.
  • the cell measurement report includes sixth indication information, where the sixth indication information is used to indicate at least one of: the first number of beams of the candidate neighboring cell and the The ratio of the total number of beams, the ratio of the first number of beams of the candidate neighboring cell to the total number of beams is greater than or equal to a third predetermined threshold.
  • the beam measurement information includes a first beam number of a beam or a beam group that is met by the neighboring cell and meets a preset quality threshold, where the beam configuration information includes a beam of the neighboring cell or a total number of beams of the beam group, the cell measurement report includes seventh indication information and/or eighth indication information, where the seventh indication information indicates that the candidate neighboring cell is the only neighbor cell that is found, the eighth indication The information indicates at least one of the following information: an identifier of the candidate neighboring cell, a ratio of the first beam number to the total number of beams, a ratio of the first beam number to the total beam number is less than a fourth pre- Set the threshold.
  • the beam configuration information includes at least one of: a total number of beams of a beam or a beam group included in the first cell, a beam or a beam group included in the first cell. a beam width, a transmit power of a beam or a beam group included in the first cell, a reference signal corresponding to a beam or a beam group included in the first cell, and a priority of a reference signal included in the first cell.
  • the beam configuration information includes an identifier of the first cell.
  • the beam configuration information includes an identifier of a beam or a beam group.
  • the beam configuration information is carried in system information or dedicated information.
  • a terminal device for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the terminal device comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a network device for performing the method of any of the foregoing second aspect or any of the possible implementations of the second aspect.
  • the network device comprises means for performing the method of any of the above-described second or second aspects of the second aspect.
  • a communication system comprising the terminal device of the above third aspect and the network device of the above fourth aspect.
  • a sixth aspect provides a terminal device, including a memory for storing a program, a communication interface for communicating with other devices, and a processor for executing a program in the memory, when the program is executed, when The processor is operative to perform the method of the first aspect when the program is executed.
  • a network device including a memory for storing a program, a communication interface for communicating with other devices, and a processor for executing a program in the memory, when the program is executed, when The processor is operative to perform the method of the second aspect when the program is executed.
  • a communication system comprising the terminal device of the above sixth aspect and the network device of the above seven aspects.
  • a computer storage medium storing program code for indicating a communication method in any one of the possible implementations of the first aspect or the first aspect.
  • a computer storage medium having stored therein program code for indicating a communication method in any one of the possible implementations of the second aspect or the second aspect.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a communication method according to an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a network device according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal device according to still another embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a network device according to still another embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the terminal device involved in the embodiments of the present application may include various handheld devices having wireless communication functions, in-vehicle devices, wearable devices, computing devices, or other processing devices connected to the wireless modem, and various forms of user devices (User Equipment, UE), mobile station (MS), terminal, terminal device, and the like.
  • user devices User Equipment, UE
  • MS mobile station
  • terminal devices terminal devices.
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB, NB) in a WCDMA system. And may be an evolved base station (eNB or eNodeB) in the LTE system, or may be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device may be The relay station, the access point, the in-vehicle device, the wearable device, and the like are not limited in the embodiment of the present application.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • NB base station
  • eNodeB evolved base station
  • CRAN cloud radio access network
  • the relay station, the access point, the in-vehicle device, the wearable device, and the like are not limited in the embodiment of the present application.
  • the use beam is wide, and the beam is invisible to the terminal device, so the terminal device and the network device are performing mobility operations (such as cell selection).
  • mobility operations such as cell selection.
  • the measurement result is reported, or the cell is switched, the beam-related information is not considered.
  • the wireless network will be extended from the low frequency band to the high frequency band, the beam will be narrowed and the beam will be visible to the terminal device, so the beam related information needs to be considered when performing the mobility management operation.
  • the terminal device or the network device performs mobility management operations according to the beam related information, which can improve communication efficiency.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • the terminal device may measure beam measurement information of the first cell, where the first cell may be a neighboring cell or a serving cell of the terminal device.
  • the beam measurement information may be a beam or a beam group of the first cell detected by the terminal device.
  • the network device and the terminal device can perform mobility management operations based on the beam measurement information.
  • the mobility management operation performed by the terminal may include cell selection, cell reselection, or measurement result reporting.
  • the reporting of the foregoing measurement results includes sending a cell measurement report to the network device.
  • the mobility management operations performed by the network device may include cell handover.
  • the network device may perform cell handover according to the cell measurement result reported by the terminal device.
  • the network device can configure beam configuration information for the terminal device.
  • the beam configuration information may indicate configuration information of a beam or a beam group of the first cell.
  • the terminal device and the network device may perform the mobility management operation described above based on beam measurement information and beam configuration information.
  • the terminal device is configured to perform mobility management operations according to the beam configuration information.
  • cell selection and cell reselection may be initiated and completed by the terminal device.
  • the cell handover may be performed by the terminal device in the connected state.
  • the cell handover is performed by the terminal device and the network device.
  • the method 100 includes:
  • the terminal device acquires beam measurement information, where the beam measurement information is information about a beam or a beam group of the first cell detected by the terminal device, where the first cell includes a neighboring cell or a serving cell of the terminal device.
  • the terminal device performs mobility management operations based on the beam measurement information, where the mobility management operation includes cell selection, cell reselection, or measurement result reporting.
  • the reporting of the above measurement results includes transmitting a cell measurement report to the network device.
  • the network device may perform cell handover according to the cell measurement report sent by the terminal device.
  • the terminal device may actively initiate and complete cell selection or cell reselection according to beam measurement information.
  • the terminal device acquires beam measurement information, and performs a mobility management operation according to the beam measurement information, where the beam measurement information is information of a beam or a beam group of the first cell detected by the terminal device, so that the terminal device By detecting the beam measurement information and considering the beam measurement information when performing the mobility management operation, the efficiency of the mobility management operation of the terminal device is improved.
  • the terminal device performs the mobility management operation based on the beam measurement information, and the method includes: determining, by the terminal device, the candidate neighboring cell from the neighboring cell based on the beam measurement information; the terminal device from the candidate neighbor Determining a cell for cell selection or cell reselection in a cell, or The terminal device triggers a cell measurement report.
  • the candidate neighboring cell may be one or more candidate neighboring cells.
  • the terminal device triggers a cell measurement report, where the cell measurement report can be used for a network device to perform cell handover.
  • the network device may determine whether to perform cell handover or determine a target cell for cell handover according to the cell measurement report.
  • the cell measurement report may include information indicating the candidate neighboring cell, for example, the cell measurement report may include an identifier of the candidate neighboring cell.
  • the beam measurement information includes a first beam number of a beam or a beam group that is met by the neighboring cell and meets a preset quality threshold
  • the terminal device determines, according to the beam measurement information, from the neighboring cell.
  • the candidate neighboring cell includes: the terminal device determines a candidate neighboring cell from the neighboring cell, where the first beam number of the candidate neighboring cell is greater than or equal to a first preset threshold.
  • the terminal device may select a candidate neighboring cell according to whether the first beam number of the beam or the beam group indicated in the beam measurement information is greater than or equal to a first preset threshold, where the candidate neighboring cell is a cell selection and a cell weight.
  • the neighboring cell of the cell handover is selected, so that whether the beam or the beam group discovered by the neighboring cell meets the preset quality threshold is considered when performing the mobility management handover, thereby improving the efficiency of the mobility management operation.
  • the foregoing satisfying the preset quality threshold may adopt one or more types of parameters as the quality threshold.
  • the signal strength threshold may be used as the quality threshold, or other types of parameters may also be used.
  • RSRP reference signal receiving power
  • RSRV reference signal receiving quality
  • a cell that is occupied by multiple beams and a beam group that meets a preset quality threshold may be selected as a candidate neighboring cell, and the candidate neighboring cells are sorted according to the quality of the beam or the beam group, so as to be performed by the terminal device or the network device. Mobility operation management.
  • the cell measurement report may include first indication information, where the first indication information is used to indicate at least one of: the identifier of the candidate neighboring cell, the first number of beams of the candidate neighboring cell, The number of the first beams of the candidate neighboring cell is greater than or equal to the first preset threshold.
  • the first indication information included in the cell measurement report can indicate whether the first beam number of the candidate neighboring cell or the first beam number of the candidate neighboring cell is greater than or equal to a first preset threshold, so that the network device can
  • the cell measurement report makes decision on cell handover and improves the shift The efficiency of dynamic management operations.
  • the beam measurement information includes a beamwidth of a beam or a beam group that is found by the neighboring cell
  • the terminal device determines a candidate neighboring cell from the neighboring cell based on the beam measurement information, including: the terminal device from the neighboring cell
  • the candidate neighboring cell is determined in the cell, and the beamwidth of the beam or beam group found by the candidate neighboring cell conforms to a preset rule.
  • the terminal device may select a candidate neighboring cell according to whether the beamwidth of the beam or the beam group indicated in the beam measurement information meets a preset rule, where the candidate neighboring cell is a cell selection, a cell reselection, or a cell handover neighbor.
  • the cell thereby considering the beamwidth of the beam or beam group when performing the mobility management handover, improves the efficiency of the mobility management operation.
  • the beam width of the beam or the beam group of the candidate neighboring cell is in accordance with a preset rule, including: a beamwidth of a beam or a beam group discovered by the candidate neighboring cell is greater than or equal to a beamwidth threshold; or The beamwidth of the beam or beam group found by the candidate neighboring cell is the beam with the largest beamwidth among the beams or beam groups found by the neighboring cell.
  • the beam width of the beam or the beam group of the candidate neighboring cell is in accordance with a preset rule, including: a beamwidth of a beam or a beam group discovered by the candidate neighboring cell is greater than or equal to a beamwidth threshold; or The beamwidth of the beam or beam group found by the candidate neighboring cell is the beam with the largest beamwidth among the beams or beam groups found by the neighboring cell.
  • the second indication information included in the cell measurement report can indicate whether the beamwidth of the beam or the beam group of the candidate neighboring cell is greater than or equal to the beamwidth threshold, so that the network device determines the cell handover according to the cell measurement report. Improve the efficiency of mobility management operations.
  • the cell measurement report includes second indication information, where the second indication information is used to indicate at least one of the following information: an identifier of the candidate neighboring cell, a beam or a beam group of the candidate neighboring cell discovery.
  • the beam width, the beam width of the beam or beam group discovered by the candidate neighboring cell is greater than or equal to the beam width threshold, and the beam or beamwidth threshold of the candidate neighboring cell discovery is a beam or a beam group discovered by the neighboring cell.
  • the beam measurement information includes a transmit power of a beam or a beam group discovered by the neighboring cell
  • the terminal device determines a candidate neighbor cell from the neighboring cell based on the beam measurement information, including: Determining a candidate neighboring cell from the neighboring cell, where a first distance between a beam or a beam group included in the candidate neighboring cell and the terminal device is less than a distance threshold, where the first distance is according to the candidate neighbor
  • the transmit power of the beam or beam group found by the cell is determined.
  • the terminal device may select a candidate neighboring cell according to whether the first distance of the neighboring cell indicated by the beam measurement information is smaller than a distance threshold, where the candidate neighboring cell is a neighboring cell of cell selection, cell reselection, or cell handover. Therefore, considering the beam width of the beam or the beam group when performing mobility management switching, the efficiency of the mobility management operation is improved.
  • the cell measurement report includes third indication information, where the third indication information includes at least one of the following: an identifier of the candidate neighboring cell, a first distance of the candidate neighboring cell, or the candidate neighbor The first distance of the cell is less than the distance threshold.
  • the third indication information included in the cell measurement report can indicate whether the first beam number of the candidate neighboring cell or the first distance of the candidate neighboring cell is greater than or equal to the distance threshold, so that the network device reports according to the cell measurement report.
  • Cell handover makes decisions and improves the efficiency of mobility management operations.
  • the beam measurement information includes a first beam number of a beam or a beam group that is met by the neighboring cell and meets a preset quality threshold
  • the terminal device determines, according to the beam measurement information, from the neighboring cell.
  • the candidate neighboring cell includes: the terminal device determines a candidate neighboring cell, the candidate neighboring cell is a unique neighboring cell, and the first beam number of the candidate neighboring cell is smaller than a second preset threshold.
  • the communication method 100 further includes: the terminal device determining beam configuration information, where the beam configuration information is used to indicate configuration information of a beam or a beam group included in the first cell;
  • the terminal device performs mobility management operations based on the beam measurement information and the beam configuration information, including: the terminal device, based on the beam measurement information and the beam configuration information, from the neighboring cell Determining, in the candidate neighboring cell, the terminal device determines a target cell of the cell selection or cell reselection from the candidate neighboring cell, or the terminal device triggers a cell measurement report.
  • Beam measurement information and beam configuration information improve the efficiency of mobility management operations.
  • the beam measurement information includes a first beam number of a beam or a beam group of the neighboring cell
  • the beam configuration information includes a total beam number of a beam or a beam group of the neighboring cell
  • the terminal device is based on Determining, by the beam measurement information and the beam configuration information, the candidate neighboring cell from the neighboring cell, comprising: determining, by the terminal device, a candidate neighboring cell from the neighboring cell, the first of the candidate neighboring cell The number of beams and the beam or beam included in the candidate neighboring cell The ratio of the total number of beams of the group is greater than or equal to a third predetermined threshold.
  • the network device sends the beam configuration information to the terminal device, where the beam configuration information includes the total number of beams of the beam or the beam group of the neighboring cell, so that the terminal device considers the first beam when performing the mobility management operation.
  • the ratio between the number and the total number of beams increases the efficiency of mobility management operations.
  • the cell measurement report includes sixth indication information, where the sixth indication information is used to indicate at least one of: the first beam number of the candidate neighboring cell and the total number of beams
  • the ratio, the ratio of the first beam number of the candidate neighboring cell to the total number of beams is greater than or equal to the second preset threshold.
  • the beam measurement information includes a first beam number of a beam or a beam group discovered by the neighboring cell
  • the beam configuration information includes a total number of beams of a beam or a beam group included in the neighboring cell
  • the terminal Determining a candidate neighboring cell from the neighboring cell based on the beam measurement information and the beam configuration information, the device includes: the terminal device determines a candidate neighboring cell, where the candidate neighboring cell is the only neighbor cell that is found, and The ratio of the first beam number of the candidate neighboring cell to the total beam number of the included beam or beam group of the candidate neighboring cell is less than a fourth preset threshold.
  • the cell measurement report includes seventh indication information and/or eighth indication information, where the seventh indication information indicates that the candidate neighboring cell is the only neighbor cell that is found, and the eighth indication information indicates the following At least one of the information: the identifier of the candidate neighboring cell, the ratio of the first beam number to the total number of beams, the ratio of the first beam number to the total beam number is less than a fourth preset threshold.
  • the beam measurement information includes a second beam number of a beam or a beam group that meets a quality threshold discovered by the serving cell, and the terminal device performs mobility management operations based on the beam measurement information, including: In the case where the second beam number is less than the fifth preset threshold, the terminal device initiates cell measurement.
  • the first threshold threshold to the fifth preset threshold may be parameters configured by the network device in advance for the terminal device, or may be carried in the configuration information sent by the network device to the terminal device.
  • the above configuration information may be beam configuration information.
  • the beam measurement information that can be acquired by the terminal device may also include the number of the discovered beam or the second beam of the beam group of the serving cell where the terminal device is located, and the terminal device may determine whether it is needed according to the beam measurement information. Start cell measurement. Or, the terminal device is When the second beam number is less than the fifth preset threshold, the cell measurement is initiated to facilitate cell selection, cell reselection, or cell handover, thereby improving the efficiency of the mobility management operation.
  • the beam configuration information includes at least one of: a total beam number of a beam or a beam group included in the first cell, a beam width of a beam or a beam group included in the first cell, the The transmit power of the beam or beam group included in the first cell, the reference signal corresponding to the beam or beam group included in the first cell, and the priority of the reference signal included in the first cell.
  • the beam configuration information includes an identification of the first cell.
  • the beam configuration information includes an identification of a beam or a beam group.
  • the terminal device determines beam configuration information, including: the terminal device receiving the beam configuration information from a network device.
  • the beam configuration information is carried in system information or dedicated information.
  • Communication method 200 can be performed by a network device.
  • a network device include:
  • the network device receives a cell measurement report, where the cell measurement report is used to indicate information about a candidate neighboring cell of the terminal device, where the cell measurement report is triggered by the terminal device based on beam measurement information,
  • the beam measurement information is information of a beam or a beam group of the first cell detected by the terminal device, and the first cell includes a neighboring cell or a serving cell of the terminal device.
  • the network device determines the candidate neighboring cell according to the cell measurement report.
  • the network device determines, from the candidate neighboring cells, a target cell of the cell handover of the terminal device.
  • the network device receives the cell measurement report sent by the terminal device, and determines, according to the candidate neighbor cell information indicated by the cell measurement report, the target cell of the cell handover of the terminal device from the candidate neighboring cell, where the cell measurement report It is triggered according to the beam measurement information, and the network device considers the beam measurement information when performing cell handover, thereby improving the efficiency of the mobility management operation.
  • the cell measurement report includes first indication information, where the first indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, and a candidate neighboring cell found that meets a preset quality threshold.
  • the first number of beams of the beam or beam group and the first number of beams of the candidate neighboring cell are greater than or equal to a first preset threshold.
  • the beam measurement information includes a beamwidth of a beam or a beam group discovered by the neighboring cell
  • the cell measurement report includes second indication information
  • the second indication information includes at least one of the following information:
  • the identifier of the candidate neighboring cell, the beamwidth of the beam or beam group discovered by the candidate neighboring cell, the beamwidth of the beam or beam group discovered by the candidate neighboring cell is greater than or equal to the beamwidth threshold, and the candidate neighboring cell
  • the discovered beam or beamwidth threshold is the beam with the largest beamwidth among the beams or groups of beams found by the neighboring cell.
  • the beam measurement information includes a transmit power of a beam or a beam group discovered by the neighboring cell
  • the cell measurement report includes third indication information
  • the third indication information includes at least one of the following information: The identifier of the candidate neighboring cell, the first distance between the beam or beam group of the candidate neighboring cell and the terminal device, and the first distance of the candidate neighboring cell are less than a distance threshold, where the first The distance is determined according to the transmit power of the beam or beam group found by the candidate neighboring cell.
  • the beam measurement information includes a first beam number of a beam or a beam group that is met by the neighboring cell and meets a preset quality threshold
  • the cell measurement report includes fourth indication information and/or fifth indication information.
  • the fourth indication information indicates that the neighboring cell is the only neighboring cell that is discovered
  • the fifth indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, and the number of the candidate neighboring cell The number of one beam, the number of the first beam of the candidate neighboring cell is less than a second preset threshold.
  • the communication method 200 further includes: the network device sending beam configuration information to the terminal device, where the beam configuration information is used to indicate configuration information of a beam or a beam group included in the first cell, where The beam configuration information is used by the terminal device to perform mobility management operations, where the mobility management operation includes cell selection, cell reselection, or measurement result reporting.
  • the beam measurement information includes a first beam number of a beam or a beam group of the neighboring cell that meets a preset quality threshold, where the beam configuration information includes a total of a beam or a beam group of the neighboring cell. a number of beams, the cell measurement report includes sixth indication information, where the sixth indication information is used to indicate at least one of the following information: a ratio of the first beam number of the candidate neighboring cell to the total number of beams And the ratio of the number of the first beam of the candidate neighboring cell to the total number of beams is greater than or equal to a third preset threshold.
  • the beam measurement information includes a first beam number of a beam or a beam group that is found by the neighboring cell and meets a preset quality threshold, where the beam configuration information includes a total beam of a beam or a beam group of the neighboring cell.
  • the cell measurement report includes seventh indication information and/or eighth Instructing information, the seventh indication information indicates that the candidate neighboring cell is a unique neighboring cell, and the eighth indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, the first beam The ratio of the number to the total number of beams, the ratio of the first number of beams to the total number of beams is less than a fourth predetermined threshold.
  • the beam configuration information includes at least one of: a total beam number of a beam or a beam group included in the first cell, a beam width of a beam or a beam group included in the first cell, the The transmit power of the beam or beam group included in the first cell, the reference signal corresponding to the beam or beam group included in the first cell, and the priority of the reference signal included in the first cell.
  • the beam configuration information includes an identification of the first cell.
  • the beam configuration information includes an identification of a beam or a beam group.
  • the beam configuration information is carried in system information or dedicated information.
  • FIG. 3 shows a schematic block diagram of a terminal device 300 of an embodiment of the present application.
  • the terminal device 300 is capable of implementing the steps performed by the terminal device in the above.
  • the terminal device 300 includes: a processing unit 310 and a communication unit 320,
  • the processing unit 310 is configured to acquire beam measurement information by using the communication unit 320, where the beam measurement information is information of a beam or a beam group of a first cell detected by the terminal device, where the first cell includes the terminal a neighboring cell or serving cell of the device; and for performing mobility management operations based on the beam measurement information, the mobility management operation including cell selection, cell reselection, or measurement result reporting.
  • the beam measurement information is information of a beam or a beam group of a first cell detected by the terminal device, where the first cell includes the terminal a neighboring cell or serving cell of the device.
  • the processing unit 310 is specifically configured to determine a candidate neighboring cell from the neighboring cell based on the beam measurement information; and from the candidate neighbor A target cell that determines cell selection or cell reselection in the cell, or the terminal device triggers a cell measurement report.
  • the beam measurement information includes a first beam number of a beam or a beam group that is found by the neighboring cell and meets a preset quality threshold, and the candidate neighboring cell is determined from the neighboring cell based on the beam measurement information.
  • the processing unit 310 is specifically configured to determine a candidate neighboring cell from the neighboring cell, where the first beam number of the candidate neighboring cell is greater than or equal to a first preset threshold.
  • the cell measurement report includes first indication information, where the first indication information is used to indicate at least one of the following information: an identifier of the candidate neighboring cell, the first beam of the candidate neighboring cell The number of the first beam of the candidate neighboring cell is greater than or equal to the first preset threshold.
  • the beam measurement information includes a beamwidth of a beam or a beam group discovered by the neighboring cell
  • the processing unit 310 is specific to determining a candidate neighboring cell from the neighboring cell based on the beam measurement information. And determining, by using the neighboring cell, a candidate neighboring cell, where a beam width of a beam or a beam group of the candidate neighboring cell meets a preset rule.
  • the beam width of the beam or the beam group of the candidate neighboring cell is in accordance with a preset rule, including: a beamwidth of a beam or a beam group discovered by the candidate neighboring cell is greater than or equal to a beamwidth threshold; or The beamwidth of the beam or beam group found by the candidate neighboring cell is the beam with the largest beamwidth among the beams or beam groups found by the neighboring cell.
  • the cell measurement report includes second indication information, where the second indication information is used to indicate at least one of the following information: an identifier of the candidate neighboring cell, a beam or a beam group of the candidate neighboring cell discovery.
  • the beam width, the beam width of the beam or beam group discovered by the candidate neighboring cell is greater than or equal to the beam width threshold, and the beam or beamwidth threshold of the candidate neighboring cell discovery is a beam or a beam group discovered by the neighboring cell.
  • the beam measurement information includes a transmit power of a beam or a beam group discovered by the neighboring cell
  • the processing unit 310 is specific to determining a candidate neighbor cell from the neighboring cell based on the beam measurement information. And determining, by using the neighboring cell, a candidate neighboring cell, where a first distance between a beam or a beam group included in the candidate neighboring cell and the terminal device is less than a distance threshold, where the first distance is according to the candidate neighbor
  • the transmit power of the beam or beam group found by the cell is determined.
  • the cell measurement report includes third indication information, where the third indication information includes at least one of the following: an identifier of the candidate neighboring cell, a first distance of the candidate neighboring cell, or the The first distance of the candidate neighboring cell is less than the distance threshold.
  • the beam measurement information includes a first beam number of a beam or a beam group that is found by the neighboring cell and meets a preset quality threshold, and the candidate neighboring cell is determined from the neighboring cell based on the beam measurement information.
  • the processing unit 310 is specifically configured to determine a candidate neighboring cell, where the candidate neighboring cell is the only neighboring cell that is found, and the number of the first beam of the candidate neighboring cell is less than a second preset threshold.
  • the cell measurement report includes fourth indication information and/or fifth indication information, where the fourth indication information indicates that the neighboring cell is the only neighbor cell that is found, and the fifth indication information indicates the following information. At least one of the identifiers of the candidate neighboring cells, the number of the first beams of the candidate neighboring cells, and the number of the first beams of the candidate neighboring cells are smaller than the second preset threshold.
  • the processing unit 310 is further configured to determine beam configuration information, where the beam configuration information is used to indicate configuration information of a beam or a beam group included in the first cell; and perform mobility based on the beam measurement information.
  • the processing unit 310 is specifically configured to perform mobility management operations based on the beam measurement information and the beam configuration information.
  • the processing unit 310 is specifically configured to use the beam measurement information and the beam configuration information from the neighboring cell. Determining a candidate neighboring cell; and determining a target cell of the cell selection or cell reselection from the candidate neighboring cell, or triggering a cell measurement report.
  • the beam measurement information includes a first beam number of a beam or a beam group of the neighboring cell
  • the beam configuration information includes a total beam number of a beam or a beam group of the neighboring cell, based on the beam
  • the measurement information and the beam configuration information are used to determine a candidate neighboring cell from the neighboring cell, where the processing unit 310 is specifically configured to determine a candidate neighboring cell from the neighboring cell, where the first candidate neighboring cell is the first
  • the ratio of the number of beams to the total number of beams of the beam or beam group included in the candidate neighboring cell is greater than or equal to a third predetermined threshold.
  • the cell measurement report includes sixth indication information, where the sixth indication information is used to indicate at least one of: the first beam number of the candidate neighboring cell and the total number of beams
  • the ratio, the ratio of the first beam number of the candidate neighboring cell to the total number of beams is greater than or equal to the second preset threshold.
  • the beam measurement information includes a first beam number of a beam or a beam group discovered by the neighboring cell, where the beam configuration information includes a total number of beams of a beam or a beam group included in the neighboring cell, based on the The beam measurement information and the beam configuration information are used to determine a candidate neighboring cell from the neighboring cell, where the processing unit 310 is specifically configured to determine, by the terminal device, a candidate neighboring cell, where the candidate neighboring cell is unique to the discovery. a neighboring cell, and a ratio of a first beam number of the candidate neighboring cell to a total beam number of the included beam or beam group of the candidate neighboring cell is less than a fourth preset threshold.
  • the cell measurement report includes seventh indication information and/or eighth indication information
  • the seventh indication information indicates that the candidate neighboring cell is the only neighbor cell that is discovered
  • the eighth indication information indicates at least one of the following information: the identifier of the candidate neighboring cell, the number of the first beam, and the location
  • the ratio of the total number of beams, the ratio of the first number of beams to the total number of beams is less than a fourth predetermined threshold.
  • the beam measurement information includes a second beam number of a beam or a beam group that meets a quality threshold found by the serving cell
  • the processing unit 310 is specifically configured to perform mobility management operations based on the beam measurement information. And configured to start cell measurement if the second beam number is less than a fifth preset threshold.
  • the beam configuration information includes at least one of: a total beam number of a beam or a beam group included in the first cell, a beam width of a beam or a beam group included in the first cell, the The transmit power of the beam or beam group included in the first cell, the reference signal corresponding to the beam or beam group included in the first cell, and the priority of the reference signal included in the first cell.
  • the beam configuration information includes an identification of the first cell.
  • the beam configuration information includes an identification of a beam or a beam group.
  • the processing unit 310 is specifically configured to receive the beam configuration information from the network device by using the communication unit 320.
  • the beam configuration information is carried in system information or dedicated information.
  • FIG. 4 shows a schematic block diagram of a network device 400 of an embodiment of the present application.
  • Network device 400 is capable of implementing the steps performed by the network device above.
  • the network device 400 includes: a processing unit 410 and a communication unit 420,
  • the processing unit 410 is configured to receive, by the communication unit 420, a cell measurement report, where the cell measurement report is used to indicate information about a candidate neighboring cell of the terminal device, where the cell measurement report is the terminal device Based on the beam measurement information, the beam measurement information is information about a beam or a beam group of the first cell detected by the terminal device, where the first cell includes a neighboring cell or a serving cell of the terminal device; Determining, by the cell measurement report, the candidate neighboring cell; and determining, from the candidate neighboring cell, a target cell of the cell handover of the terminal device.
  • the cell measurement report includes first indication information, where the first indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, and a candidate neighboring cell found that meets a preset quality threshold.
  • the number of first beams of the beam or beam group, the candidate neighboring cells The first number of beams is greater than or equal to a first preset threshold.
  • the beam measurement information includes a beamwidth of a beam or a beam group discovered by the neighboring cell
  • the cell measurement report includes second indication information
  • the second indication information includes at least one of the following information:
  • the identifier of the candidate neighboring cell, the beamwidth of the beam or beam group discovered by the candidate neighboring cell, the beamwidth of the beam or beam group discovered by the candidate neighboring cell is greater than or equal to the beamwidth threshold, and the candidate neighboring cell
  • the discovered beam or beamwidth threshold is the beam with the largest beamwidth among the beams or groups of beams found by the neighboring cell.
  • the beam measurement information includes a transmit power of a beam or a beam group discovered by the neighboring cell
  • the cell measurement report includes third indication information
  • the third indication information includes at least one of the following information: The identifier of the candidate neighboring cell, the first distance between the beam or beam group of the candidate neighboring cell and the terminal device, and the first distance of the candidate neighboring cell are less than a distance threshold, where the first The distance is determined according to the transmit power of the beam or beam group found by the candidate neighboring cell.
  • the beam measurement information includes a first beam number of a beam or a beam group that is met by the neighboring cell and meets a preset quality threshold
  • the cell measurement report includes fourth indication information and/or fifth indication information.
  • the fourth indication information indicates that the neighboring cell is the only neighboring cell that is discovered
  • the fifth indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, and the number of the candidate neighboring cell The number of one beam, the number of the first beam of the candidate neighboring cell is less than a second preset threshold.
  • the processing unit 410 is further configured to send beam configuration information to the terminal device by using the communication unit 420, where the beam configuration information is used to indicate configuration information of a beam or a beam group included in the first cell. And the beam configuration information is used by the terminal device to perform mobility management operations, where the mobility management operation includes cell selection, cell reselection, or measurement result reporting.
  • the beam measurement information includes a first beam number of a beam or a beam group of the neighboring cell that meets a preset quality threshold, where the beam configuration information includes a total of a beam or a beam group of the neighboring cell. a number of beams, the cell measurement report includes sixth indication information, where the sixth indication information is used to indicate at least one of the following information: a ratio of the first beam number of the candidate neighboring cell to the total number of beams And the ratio of the number of the first beam of the candidate neighboring cell to the total number of beams is greater than or equal to a third preset threshold.
  • the beam measurement information includes a first beam number of a beam or a beam group that is found by the neighboring cell and meets a preset quality threshold, where the beam configuration information includes the neighboring cell. a total number of beams of the beam or the beam group, where the cell measurement report includes seventh indication information and/or eighth indication information, where the seventh indication information indicates that the candidate neighboring cell is the only neighbor cell that is found,
  • the eight indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, a ratio of the first beam number to the total number of beams, a ratio of the first beam number to the total beam number is smaller than Four preset thresholds.
  • the beam configuration information includes at least one of: a total beam number of a beam or a beam group included in the first cell, a beam width of a beam or a beam group included in the first cell, the The transmit power of the beam or beam group included in the first cell, the reference signal corresponding to the beam or beam group included in the first cell, and the priority of the reference signal included in the first cell.
  • the beam configuration information includes an identification of the first cell.
  • the beam configuration information includes an identification of a beam or a beam group.
  • the beam configuration information is carried in system information or dedicated information.
  • FIG. 5 shows a schematic block diagram of a terminal device 500 of an embodiment of the present application.
  • the terminal device 500 is capable of implementing the steps performed by the terminal device 500 above.
  • the terminal device 500 includes:
  • a memory 510 configured to store a program
  • the transceiver 520 is configured to communicate with other devices;
  • the processor 530 is configured to execute a program stored in the memory 510, where the processor 530 is configured to acquire beam measurement information by using the transceiver 520, where the beam measurement information is detected by the terminal device.
  • the processor 530 is specifically configured to determine a candidate neighboring cell from the neighboring cell based on the beam measurement information; and from the candidate neighbor A target cell that determines cell selection or cell reselection in the cell, or the terminal device triggers a cell measurement report.
  • the beam measurement information includes a first beam number of a beam or a beam group that is found by the neighboring cell and meets a preset quality threshold, and the candidate neighboring cell is determined from the neighboring cell based on the beam measurement information.
  • the processor 530 is specifically configured to determine a candidate neighboring cell from the neighboring cell, where the first beam number of the candidate neighboring cell is greater than or equal to a first preset threshold.
  • the cell measurement report includes first indication information, where the first indication information is used to indicate at least one of the following information: an identifier of the candidate neighboring cell, the first beam of the candidate neighboring cell The number of the first beam of the candidate neighboring cell is greater than or equal to the first preset threshold.
  • the beam measurement information includes a beam width of a beam or a beam group discovered by the neighboring cell
  • the processor 530 is specifically configured to determine a candidate neighboring cell from the neighboring cell based on the beam measurement information. And determining, by using the neighboring cell, a candidate neighboring cell, where a beam width of a beam or a beam group of the candidate neighboring cell meets a preset rule.
  • the beam width of the beam or the beam group of the candidate neighboring cell is in accordance with a preset rule, including: a beamwidth of a beam or a beam group discovered by the candidate neighboring cell is greater than or equal to a beamwidth threshold; or The beamwidth of the beam or beam group found by the candidate neighboring cell is the beam with the largest beamwidth among the beams or beam groups found by the neighboring cell.
  • the cell measurement report includes second indication information, where the second indication information is used to indicate at least one of the following information: an identifier of the candidate neighboring cell, a beam or a beam group of the candidate neighboring cell discovery.
  • the beam width, the beam width of the beam or beam group discovered by the candidate neighboring cell is greater than or equal to the beam width threshold, and the beam or beamwidth threshold of the candidate neighboring cell discovery is a beam or a beam group discovered by the neighboring cell.
  • the beam measurement information includes a transmit power of a beam or a beam group discovered by the neighboring cell
  • the processor 530 is specifically configured to determine a candidate neighbor cell from the neighboring cell based on the beam measurement information. And determining, by using the neighboring cell, a candidate neighboring cell, where a first distance between a beam or a beam group included in the candidate neighboring cell and the terminal device is less than a distance threshold, where the first distance is according to the candidate neighbor
  • the transmit power of the beam or beam group found by the cell is determined.
  • the cell measurement report includes third indication information, where the third indication information includes at least one of the following: an identifier of the candidate neighboring cell, a first distance of the candidate neighboring cell, or the The first distance of the candidate neighboring cell is less than the distance threshold.
  • the beam measurement information includes a first beam number of a beam or a beam group that is found by the neighboring cell and meets a preset quality threshold, and the candidate neighboring cell is determined from the neighboring cell based on the beam measurement information.
  • the processor 530 is specifically configured to determine a candidate neighboring cell, where the candidate neighboring cell is the only neighboring cell that is found, and the number of the first beam of the candidate neighboring cell is less than a second preset threshold.
  • the cell measurement report includes fourth indication information and/or fifth indication information
  • the fourth indication information indicates that the neighboring cell is the only neighboring cell that is discovered
  • the fifth indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, and the number of the candidate neighboring cell The number of one beam, the number of the first beam of the candidate neighboring cell is smaller than the second preset threshold.
  • the processor 530 is further configured to determine beam configuration information, where the beam configuration information is used to indicate configuration information of a beam or a beam group included in the first cell; and perform mobility based on the beam measurement information.
  • the processor 530 is specifically configured to perform mobility management operations based on the beam measurement information and the beam configuration information.
  • the processor 530 is specifically configured to use the beam measurement information and the beam configuration information from the neighboring cell. Determining a candidate neighboring cell; and determining a target cell of the cell selection or cell reselection from the candidate neighboring cell, or triggering a cell measurement report.
  • the beam measurement information includes a first beam number of a beam or a beam group of the neighboring cell
  • the beam configuration information includes a total beam number of a beam or a beam group of the neighboring cell, based on the beam
  • the measurement information and the beam configuration information are used to determine a candidate neighboring cell from the neighboring cell
  • the processor 530 is specifically configured to determine a candidate neighboring cell from the neighboring cell, where the first candidate neighboring cell is the first
  • the ratio of the number of beams to the total number of beams of the beam or beam group included in the candidate neighboring cell is greater than or equal to a third predetermined threshold.
  • the cell measurement report includes sixth indication information, where the sixth indication information is used to indicate at least one of: the first beam number of the candidate neighboring cell and the total number of beams
  • the ratio, the ratio of the first beam number of the candidate neighboring cell to the total number of beams is greater than or equal to the second preset threshold.
  • the beam measurement information includes a first beam number of a beam or a beam group discovered by the neighboring cell, where the beam configuration information includes a total number of beams of a beam or a beam group included in the neighboring cell, based on the The beam measurement information and the beam configuration information are used to determine a candidate neighboring cell from the neighboring cell, where the processor 530 is specifically configured to determine, by the terminal device, a candidate neighboring cell, where the candidate neighboring cell is unique to the discovery. a neighboring cell, and a ratio of a first beam number of the candidate neighboring cell to a total beam number of the included beam or beam group of the candidate neighboring cell is less than a fourth preset threshold.
  • the cell measurement report includes seventh indication information and/or eighth indication information, where the seventh indication information indicates that the candidate neighboring cell is the only neighbor cell that is found, and the eighth finger
  • the indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, a ratio of the first beam number to the total number of beams, a ratio of the first beam number to the total beam number is less than a fourth value Preset threshold.
  • the beam measurement information includes a second beam number of a beam or a beam group that meets a quality threshold discovered by the serving cell
  • the processor 530 is specifically configured to perform mobility management operations based on the beam measurement information. And configured to start cell measurement if the second beam number is less than a fifth preset threshold.
  • the beam configuration information includes at least one of: a total beam number of a beam or a beam group included in the first cell, a beam width of a beam or a beam group included in the first cell, the The transmit power of the beam or beam group included in the first cell, the reference signal corresponding to the beam or beam group included in the first cell, and the priority of the reference signal included in the first cell.
  • the beam configuration information includes an identification of the first cell.
  • the beam configuration information includes an identification of a beam or a beam group.
  • the processor 530 is specifically configured to receive the beam configuration information from a network device through the transceiver 520.
  • the beam configuration information is carried in system information or dedicated information.
  • FIG. 6 shows a schematic block diagram of a network device 600 of an embodiment of the present application.
  • Network device 600 is capable of implementing the steps performed by the network device above.
  • Network device 600 is capable of implementing the steps performed by network device 600 above.
  • Network device 600 includes:
  • a memory 610 configured to store a program
  • a transceiver 620 configured to communicate with other devices
  • the processor 630 is configured to execute a program stored by the memory 610, where the processor 630 is configured to receive a cell measurement report from the terminal device by using the transceiver 620, where the cell measurement report is used to indicate The information about the candidate neighboring cell of the terminal device, where the cell measurement report is triggered by the terminal device based on beam measurement information, where the beam measurement information is information of a beam or a beam group of the first cell detected by the terminal device
  • the first cell includes a neighboring cell or a serving cell of the terminal device; and determining the candidate neighboring cell according to the cell measurement report; and determining a cell handover of the terminal device from the candidate neighboring cell Target cell.
  • the cell measurement report includes first indication information, where the first indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, and the candidate neighboring cell sends The first number of beams of the beam or beam group that meets the preset quality threshold, and the number of the first beam of the candidate neighboring cell are greater than or equal to a first preset threshold.
  • the beam measurement information includes a beamwidth of a beam or a beam group discovered by the neighboring cell
  • the cell measurement report includes second indication information
  • the second indication information includes at least one of the following information:
  • the identifier of the candidate neighboring cell, the beamwidth of the beam or beam group discovered by the candidate neighboring cell, the beamwidth of the beam or beam group discovered by the candidate neighboring cell is greater than or equal to the beamwidth threshold, and the candidate neighboring cell
  • the discovered beam or beamwidth threshold is the beam with the largest beamwidth among the beams or groups of beams found by the neighboring cell.
  • the beam measurement information includes a transmit power of a beam or a beam group discovered by the neighboring cell
  • the cell measurement report includes third indication information
  • the third indication information includes at least one of the following information: The identifier of the candidate neighboring cell, the first distance between the beam or beam group of the candidate neighboring cell and the terminal device, and the first distance of the candidate neighboring cell are less than a distance threshold, where the first The distance is determined according to the transmit power of the beam or beam group found by the candidate neighboring cell.
  • the beam measurement information includes a first beam number of a beam or a beam group that is met by the neighboring cell and meets a preset quality threshold
  • the cell measurement report includes fourth indication information and/or fifth indication information.
  • the fourth indication information indicates that the neighboring cell is the only neighboring cell that is discovered
  • the fifth indication information indicates at least one of the following information: an identifier of the candidate neighboring cell, and the number of the candidate neighboring cell The number of one beam, the number of the first beam of the candidate neighboring cell is less than a second preset threshold.
  • the processor 630 is further configured to send beam configuration information to the terminal device by using the transceiver 620, where the beam configuration information is used to indicate configuration information of a beam or a beam group included in the first cell. And the beam configuration information is used by the terminal device to perform mobility management operations, where the mobility management operation includes cell selection, cell reselection, or measurement result reporting.
  • the beam measurement information includes a first beam number of a beam or a beam group of the neighboring cell that meets a preset quality threshold, where the beam configuration information includes a total of a beam or a beam group of the neighboring cell. a number of beams, the cell measurement report includes sixth indication information, where the sixth indication information is used to indicate at least one of the following information: a ratio of the first beam number of the candidate neighboring cell to the total number of beams And the ratio of the number of the first beam of the candidate neighboring cell to the total number of beams is greater than or equal to a third preset threshold.
  • the beam measurement information includes the preset quality found by the neighboring cell. a first beam number of a beam or a beam group of the threshold, the beam configuration information including a total beam number of a beam or a beam group of the neighboring cell, the cell measurement report including seventh indication information and/or eighth indication information,
  • the seventh indication information indicates that the candidate neighboring cell is the only neighbor cell that is discovered
  • the eighth indication information indicates at least one of the following information: the identifier of the candidate neighboring cell, the number of the first beam, and the location
  • the ratio of the total number of beams, the ratio of the first number of beams to the total number of beams is less than a fourth predetermined threshold.
  • the beam configuration information includes at least one of: a total beam number of a beam or a beam group included in the first cell, a beam width of a beam or a beam group included in the first cell, the The transmit power of the beam or beam group included in the first cell, the reference signal corresponding to the beam or beam group included in the first cell, and the priority of the reference signal included in the first cell.
  • the beam configuration information includes an identification of the first cell.
  • the beam configuration information includes an identification of a beam or a beam group.
  • the beam configuration information is carried in system information or dedicated information.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the unit described as a separate component may or may not be physically separated, and the component displayed as a unit may or may not be a physical unit, that is, may be located in one place. Or it can be distributed to multiple network elements. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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

Abstract

L'invention concerne un procédé de communication, un dispositif terminal, et un dispositif de réseau, aptes à améliorer l'efficacité d'une opération de gestion de mobilité. Le procédé de communication comprend les étapes suivantes : un dispositif terminal acquiert des informations de mesurage de faisceau, les informations de mesurage de faisceau étant des informations d'un faisceau ou d'un groupe de faisceaux d'une première cellule détectée par le dispositif terminal, et la première cellule comprenant une cellule adjacente ou une cellule de desserte du dispositif terminal ; et le dispositif terminal exécute une opération de gestion de mobilité sur la base des informations de mesurage de faisceau, l'opération de gestion de mobilité comprenant une sélection de cellule, une resélection de cellule, ou un envoi de résultat de mesurage.
PCT/CN2017/070332 2017-01-05 2017-01-05 Procédé de communication, dispositif terminal, et dispositif de réseau Ceased WO2018126420A1 (fr)

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CN201780049892.6A CN109565865A (zh) 2017-01-05 2017-01-05 通信方法、终端设备和网络设备
PCT/CN2017/070332 WO2018126420A1 (fr) 2017-01-05 2017-01-05 Procédé de communication, dispositif terminal, et dispositif de réseau
TW106145868A TWI683584B (zh) 2017-01-05 2017-12-27 通信方法、終端設備和網絡設備

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US11910255B2 (en) 2018-09-29 2024-02-20 Qualcomm Incorporated Beam measurement for a cell subset
CN114631387A (zh) * 2020-10-14 2022-06-14 北京小米移动软件有限公司 波束测量结果报告的发送、接收方法、装置和介质
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CN117642983A (zh) * 2022-07-01 2024-03-01 北京小米移动软件有限公司 波束测量结果的上报方法和装置
WO2025218323A1 (fr) * 2024-04-20 2025-10-23 荣耀终端股份有限公司 Procédé de mesure de faisceau et dispositif associé

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