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WO2021249001A1 - Procédé et dispositif de mesure de cellules - Google Patents

Procédé et dispositif de mesure de cellules Download PDF

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Publication number
WO2021249001A1
WO2021249001A1 PCT/CN2021/086015 CN2021086015W WO2021249001A1 WO 2021249001 A1 WO2021249001 A1 WO 2021249001A1 CN 2021086015 W CN2021086015 W CN 2021086015W WO 2021249001 A1 WO2021249001 A1 WO 2021249001A1
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WIPO (PCT)
Prior art keywords
target cell
cell
measurement
measurement gap
configuration information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/086015
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English (en)
Chinese (zh)
Inventor
刘海义
徐波
赵辰
师江伟
王洲
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2021249001A1 publication Critical patent/WO2021249001A1/fr
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Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/06—Testing, supervising or monitoring using simulated traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength

Definitions

  • This application relates to the field of communication technology, and in particular to a cell measurement method and device.
  • the terminal equipment In a communication system, in order to ensure the service continuity and communication quality of the terminal equipment, the terminal equipment usually needs to perform cell measurement, thereby realizing cell reselection and cell handover.
  • the types of cell measurement include intra-frequency measurement and inter-frequency/different system measurement.
  • the UE When a terminal device initially accesses or performs inter-frequency/inter-system measurement in the process of radio resource control (radio resource control, RRC) connected state (RRC_connective), in order to ensure the quality of the radio link between the UE and the current serving cell, the UE is usually Stop receiving signals and data from its serving cell for a specified period of time, and receive signals from other cells for inter-frequency measurement or inter-system measurement. After the time period ends, the UE starts to receive signals and data from the serving cell again. This time period is called the measurement gap. In the measurement gap, the terminal device receives the reference signal of the neighboring cell and measures the reference signal of the neighboring cell. After the measurement is completed, the terminal device sends a measurement report to the base station that manages the serving cell. Then the base station switches the terminal equipment to a cell with better signal quality according to the measurement report.
  • RRC radio resource control
  • the base station that manages the serving cell needs to perform measurement configuration and send the measurement configuration information to the terminal device.
  • the terminal device can determine the position of each measurement gap according to the received measurement configuration information to perform neighbor cell measurement.
  • the measurement gap length is 6 milliseconds (ms).
  • the measurement configuration information includes: measurement gap repetition period (MGRP) (also known as measurement gap period), measurement gap length (measurement gap length, MGL) (referred to as measurement gap length), and measurement gap Offset (measurement gap offset).
  • MGRP measurement gap repetition period
  • MGL measurement gap length
  • measurement gap Offset measurement gap offset
  • the terminal equipment In order to improve the cell measurement efficiency, the terminal equipment should be able to receive the reference signals of all neighboring cells to be measured in the measurement gap.
  • the network device in the same frequency range (frequency range, FR), the network device can only determine the measurement configuration information of one measurement gap for one terminal device, and the time domain position of the reference signal sent by different neighboring cells may be different. Therefore, the measurement gap determined by the terminal device according to the measurement configuration information may not include the time-domain position of the reference signal of some neighboring cells to be measured. As a result, the terminal device cannot receive the reference signals of these neighboring cells to be measured, and thus cannot complete the measurement of all the reference signals of the neighboring cells to be measured. Measurement of the measurement cell.
  • This application provides a cell measurement method and device to improve the success rate and efficiency of cell measurement of terminal equipment.
  • the present application provides a cell measurement method, in which a base station sends first measurement configuration information to a terminal device; the first measurement configuration information includes measurement gap configuration information of a first target cell and measurement gap configuration of a second target cell Information; wherein, the first target cell and the second target cell are the cells to be measured by the terminal device, and the cell frequency of the first target cell is different from the cell frequency of the second target cell .
  • the method can be executed by a base station, a communication device such as a network device or an access network device, or a communication device or a communication device capable of supporting the communication device to implement the functions required by the method, such as a chip.
  • the base station can be a terminal device Configure the measurement gap configuration information of the first target cell and the measurement gap configuration information of the second target cell, so that the terminal device can configure the configuration information according to the measurement gap configuration information of the first target cell and the measurement gap configuration information of the second target cell.
  • the first target cell and the second target cell of different cell frequency points can be measured in the measurement gap of, and the measurement of all the cells to be measured is completed, thereby improving the cell measurement efficiency and the success rate of the cell measurement.
  • the base station receives first measurement information from the terminal device; the first measurement information includes: first timing deviation information between the serving cell of the terminal device and the first target cell; The measurement gap configuration information of the first target cell is determined according to the synchronization signal measurement timing configuration (SS/PBCH block measurement time configuration, SMTC) information of the first target cell relative to the serving cell; the first target cell The SMTC information relative to the serving cell is determined according to the first timing offset information and the SMTC information of the first target cell.
  • SS/PBCH block measurement time configuration SS/PBCH block measurement time configuration
  • the base station can determine the first timing deviation information between the serving cell of the terminal device and the first target cell according to the first measurement information sent by the terminal device, and thus can determine the first timing deviation information between the serving cell of the terminal device and the first target cell according to the first timing deviation information and the first
  • the SMTC information of the target cell determines the SMTC information of the neighboring cell of the terminal device (the first target cell) relative to the serving cell, and then configures the measurement gap of the first target cell according to the timing when the serving cell of the terminal device is located, so as to improve the measurement of the terminal device.
  • a success rate of the target cell is possible.
  • the measurement gap configuration information includes: a measurement gap offset
  • the measurement gap offset of the first target cell is determined according to the SMTC offset included in the SMTC information of the first target cell relative to the serving cell.
  • the base station can determine the offset of the first target cell relative to the serving cell according to the SMTC information of the first target cell relative to the serving cell, thereby determining the measurement gap offset in the measurement gap configuration information of the first target cell Therefore, the terminal device can measure the synchronization signal/physical broadcast channel block (SS/PBCH block, SSB) of the first target cell at the corresponding position according to the measurement gap offset.
  • SS/PBCH block, SSB synchronization signal/physical broadcast channel block
  • the measurement gap configuration information further includes: a measurement gap period; the SMTC information of the first target cell includes: the SMTC period of the first target cell; and the SMTC information of the second target cell Including: the SMTC period of the second target cell; the measurement gap period of the first target cell is determined according to the SMTC period of the first target cell and the SMTC period of the second target cell; the first The measurement gap period of the target cell is greater than the SMTC period of the first target cell; and/or the measurement gap period of the first target cell is greater than the SMTC period of the second target cell.
  • the base station can configure the measurement gap period for the first target cell and the second target cell.
  • the problem that may increase the complexity of the terminal equipment can be
  • the measurement gap period of each target cell is greater than the measurement gap period set by the target cell that measures a frequency point in the same frequency band.
  • the measurement gap period of the first target cell is greater than the SMTC period of the first target cell; and/or the measurement gap period of the first target cell is greater than the SMTC period of the second target cell.
  • the measurement gap period of the first target cell can also be set to the sum of the SMTC period of the first target cell and the SMTC period of the second target cell.
  • the terminal equipment it is necessary for the terminal equipment to measure target cells at different frequencies.
  • the computing power is the same as the ability of the terminal device to measure the target cell at the same frequency. Therefore, without increasing the power consumption of the terminal device, the target cell at different frequencies is measured at the same time, which improves the efficiency of inter-frequency cell measurement and avoids
  • the terminal equipment may not be able to complete the problem of inter-frequency cell measurement, which reduces the complexity of the base station to implement inter-frequency cell measurement scheduling for the terminal equipment, thereby improving the overall cell measurement performance.
  • the base station sends second measurement configuration information to the terminal device; the second measurement configuration information is used to indicate measurement gap configuration information of a third target cell; the cell of the third target cell The frequency point is the same as the cell frequency point of the first target cell; the measurement gap configuration information of the third target cell is the same as the measurement gap configuration information of the first target cell.
  • the same measurement gap configuration information can be configured for the target cell of the same cell frequency to realize the terminal equipment Under this measurement gap configuration information, the SSB sent by all target cells at the same frequency can be measured, which improves the efficiency of cell measurement.
  • the base station receives the capability reported by the terminal device; the capability is used to instruct the terminal device not to configure measurement gap configuration information under the first frequency point of the measurement; the base station reports to the terminal
  • the device sends third measurement configuration information; the third measurement configuration information is used to instruct the terminal device not to configure a measurement gap when measuring the fourth target cell; wherein the cell frequency of the fourth target cell is the first A frequency point; the cell frequency point of the first frequency point and the cell frequency point of the first target cell and the cell frequency point of the second target cell are different.
  • the base station can determine whether the terminal device can perform cell measurement without measurement gaps according to the capabilities reported by the terminal, thereby avoiding configuring measurement gap configuration information for terminal devices that support no measurement gaps, and reducing the complexity of the base station scheduling terminal equipment Degree, reduce the cost of resources.
  • this application provides a cell measurement method.
  • a terminal device receives first measurement configuration information from a base station, where the first measurement configuration information includes measurement gap configuration information of a first target cell and measurement gap configuration of a second target cell Information; the terminal device measures the reference signal of the first target cell on a time window corresponding to the measurement gap configuration information of the first target cell; and corresponds to the measurement gap configuration information of the second target cell The reference signal of the second target cell is measured over a time window of.
  • the method can be executed by a terminal device, or a communication device or a cell measurement device capable of supporting the communication device to realize the functions required by the method, such as a chip.
  • the terminal device can The measurement gap configuration information of a target cell and the measurement gap configuration information of the second target cell.
  • the first target cell and the second target cell of different cell frequencies can be measured, and the measurement of all the cells to be measured can be completed , Thereby improving the efficiency of cell measurement and the success rate of cell measurement.
  • the terminal device before the terminal device receives the first measurement configuration information from the base station, it further includes: the terminal device sends first measurement information to the base station; the first measurement information includes: the terminal device The first timing deviation information between the serving cell and the first target cell; the first timing deviation information is used to determine the SMTC information of the first target cell relative to the serving cell of the terminal device; the first target The measurement gap configuration information of the cell is determined according to the SMTC information of the first target cell relative to the serving cell of the terminal device.
  • the terminal device can send the determined first timing deviation information of the first target cell relative to the serving cell to the base station, so that the base station can configure the terminal device with the first measurement information according to the first measurement information sent by the terminal device to the base station.
  • the measurement gap configuration information of the target cell is adapted to the timing of the first target cell relative to the serving cell measured by the terminal device, so as to improve the measurement success rate of the terminal device in the measurement of the first target cell.
  • the measurement gap configuration information includes: a measurement gap offset; the SMTC information of the first target cell relative to the serving cell includes: the SMTC of the first target cell relative to the serving cell Offset; the measurement gap offset of the first target cell is determined according to the SMTC offset included in the SMTC information of the first target cell relative to the serving cell; the terminal device is in the first In a measurement gap time window corresponding to the measurement gap offset of a target cell, the reference signal of the first target cell is measured; the time domain position of the reference signal of the first target cell corresponds to the first target cell The time window corresponding to the SMTC information.
  • the base station determines the delay of the first target cell relative to the serving cell according to the SMTC offset of the first target cell relative to the serving cell reported by the terminal equipment, so that the SMTC offset of the first target cell relative to the serving cell,
  • the measurement gap offset of the first target cell is configured, so that the terminal device determines the measurement gap time window of the first target cell according to the measurement gap offset of the first target cell.
  • the terminal device can receive SSB sent to the first target cell, thereby improving the success rate of the terminal device in measuring the first target cell.
  • the measurement gap configuration information further includes: a measurement gap period; the SMTC information of the first target cell relative to the serving cell includes: the SMTC period of the first target cell relative to the serving cell The measurement gap period of the first target cell is determined according to the SMTC period of the first target cell and the SMTC period of the second target cell; the measurement gap period of the first target cell is greater than the first The SMTC period of the target cell; and/or, the measurement gap period of the first target cell is greater than the SMTC period of the second target cell; when the measurement gap period of the first target cell arrives, the terminal device The reference signal of the first target cell is measured.
  • the terminal device can realize the measurement of the inter-frequency cell of the first target cell and the second target cell without significantly increasing the complexity of the measurement.
  • the terminal device receives second measurement configuration information; the second measurement configuration information is used to indicate the measurement gap configuration information of the third target cell; the measurement gap configuration of the third target cell The information is the same as the measurement gap configuration information of the first target cell; the cell frequency of the third target cell is the same as the cell frequency of the first target cell; the terminal device is based on the second measurement configuration information , Measure the reference signal of the third target cell.
  • the terminal device can use the same measurement gap configuration information to measure different target cells at the same frequency point, which reduces the complexity of the measurement.
  • the terminal equipment reports capabilities to the base station; the capabilities are used to instruct the terminal equipment to not configure measurement gap configuration information under the first frequency point of measurement; the terminal equipment receives the base station The third measurement configuration information sent; the third measurement configuration information is used to instruct the terminal device not to configure a measurement gap when measuring the fourth target cell; the cell frequency of the fourth target cell is the first frequency Point; the first frequency point is different from the cell frequency point of the first target cell and the cell frequency point of the second target cell.
  • the terminal equipment when the terminal equipment supports inter-frequency cell measurement capabilities without measurement gaps, it can be reported to the base station, so that the base station avoids configuring the corresponding measurement gaps for the terminal equipment, and through the base station scheduling method, according to the third measurement
  • the configuration information determines that when the terminal device measures the fourth target cell, it can perform inter-frequency cell measurement without measurement gaps, so as to prevent the terminal device from affecting the transmission of service data of the terminal device when measuring the cell.
  • the present application provides a cell measurement device, for example, the cell measurement device is the aforementioned base station.
  • the base station is used to execute the method in the foregoing first aspect or any possible implementation manner.
  • the base station may include a module for executing the method in the first aspect or any possible implementation manner, for example, includes a processing module and a transceiver module.
  • the transceiver module may include a sending module and a receiving module.
  • the sending module and the receiving module may be different functional modules, or the same functional module, but can realize different functions (the sending module is used to realize the signal transmission Function, the receiving module is used to realize the function of receiving signals).
  • the base station is a communication device, or a chip or other component provided in the communication device.
  • the communication device is a network device, an access network device, and the like.
  • the transceiver module may also be implemented by a transceiver, and the processing module may also be implemented by a processor.
  • the sending module can be realized by a transmitter
  • the receiving module can be realized by a receiver.
  • the sender and the receiver can be different functional modules, or the same functional module, but can realize different functions (the transmitter is used to realize The function of sending a signal, the receiver is used to realize the function of receiving a signal).
  • the transceiver is realized by, for example, an antenna, a feeder, and a codec in the communication device.
  • the transceiver or transmitter and receiver
  • the transceiver is, for example, a communication interface (or an interface circuit) in the chip, and the communication interface is connected to the radio frequency in the communication device.
  • the transceiver components are connected to realize the transmission and reception of information through the radio frequency transceiver components.
  • a cell measurement device is provided, for example, the cell measurement device is the terminal device as described above.
  • the terminal device is used to execute the method in the foregoing second aspect or any possible implementation manner.
  • the terminal device may include a module for executing the method in the second aspect or any possible implementation manner, for example, including a processing module and a transceiver module.
  • the transceiver module may include a sending module and a receiving module.
  • the sending module and the receiving module may be different functional modules, or the same functional module, but can realize different functions (the sending module is used to realize the signal transmission Function, the receiving module is used to realize the function of receiving signals).
  • the terminal device is a communication device, or a chip or other component provided in the communication device.
  • the transceiver module may also be implemented by a transceiver, and the processing module may also be implemented by a processor.
  • the sending module can be realized by a transmitter
  • the receiving module can be realized by a receiver.
  • the sender and the receiver can be different functional modules, or the same functional module, but can realize different functions (the transmitter is used to realize The function of sending a signal, the receiver is used to realize the function of receiving a signal).
  • the terminal device is a communication device
  • the transceiver is realized by, for example, an antenna, a feeder, and a codec in the communication device.
  • the transceiver (or, the transmitter and the receiver) is, for example, a communication interface (or an interface circuit) in the chip, and the communication interface is connected to the communication device.
  • the radio frequency transceiving component is connected to realize the sending and receiving of information through the radio frequency transceiving component.
  • a cell measurement device is provided.
  • the cell measurement device is, for example, the aforementioned base station.
  • the cell measurement device includes a processor and a communication interface (or, an interface circuit), and the communication interface can be used to communicate with other devices or equipment.
  • it may also include a memory for storing computer instructions.
  • the processor and the memory are coupled with each other, and are used to implement the methods described in the first aspect or various possible implementation manners.
  • the base station may not include the memory, and the memory may be located outside the base station.
  • the processor, the memory, and the communication interface are coupled with each other, and are used to implement the methods described in the first aspect or various possible implementation manners.
  • the base station when the processor executes the computer instructions stored in the memory, the base station is caused to execute the method in the first aspect or any one of the possible implementation manners.
  • the base station is a communication device, or a chip or other component provided in the communication device.
  • the communication interface is realized by, for example, the transceiver (or transmitter and receiver) in the communication device, for example, the transceiver is realized by the antenna, feeder, and codec in the communication device. And so on.
  • the communication interface is, for example, the input/output interface of the chip, such as input/output pins, etc., and the communication interface is connected to the radio frequency transceiver component in the communication device to transmit and receive via radio frequency.
  • the component realizes the sending and receiving of information.
  • a cell measurement device is provided.
  • the cell measurement device is, for example, the aforementioned terminal device.
  • the cell measurement device includes a processor and a communication interface (or, an interface circuit), and the communication interface can be used to communicate with other devices or equipment.
  • it may also include a memory for storing computer instructions.
  • the processor and the memory are coupled with each other, and are used to implement the methods described in the second aspect or various possible implementation manners.
  • the terminal device may not include a memory, and the memory may be located outside the terminal device.
  • the processor, the memory, and the communication interface are coupled with each other to implement the methods described in the second aspect or various possible implementation manners.
  • the terminal device when the processor executes the computer instructions stored in the memory, the terminal device is caused to execute the method in the second aspect or any one of the possible implementation manners.
  • the communication device is a terminal device, or a vehicle-mounted device or the like.
  • the terminal device may be an in-vehicle device, or may be a chip or other components provided in the in-vehicle device.
  • the communication interface is realized by, for example, the transceiver (or transmitter and receiver) in the communication device.
  • the transceiver is realized by the antenna, feeder, and codec in the terminal device. ⁇ , etc. to achieve.
  • the communication interface is, for example, the input/output interface of the chip, such as input/output pins, etc., and the communication interface is connected to the radio frequency transceiver component in the communication device to pass the radio frequency
  • the transceiver component realizes the sending and receiving of information.
  • a chip in a seventh aspect, includes a processor and a communication interface, the processor is coupled to the communication interface, and is configured to implement the method provided in the first aspect or any of the optional implementation manners above .
  • the chip may also include a memory.
  • the processor may read and execute a software program stored in the memory to implement the above-mentioned first aspect or any one of the optional implementation manners. method.
  • the memory may not be included in the chip, but located outside the chip, which is equivalent to that the processor can read and execute the software program stored in the external memory to implement the first aspect or Any of the methods provided by the alternative implementations.
  • a chip in an eighth aspect, includes a processor and a communication interface, the processor is coupled with the communication interface, and is configured to implement the method provided in the second aspect or any of the optional implementation manners above .
  • the chip may also include a memory.
  • the processor may read and execute a software program stored in the memory to implement the above-mentioned second aspect or any of the optional implementation manners. method.
  • the memory may not be included in the chip, but located outside the chip, which is equivalent to that the processor can read and execute the software program stored in the external memory to implement the second aspect or Any of the methods provided by the alternative implementations.
  • a communication system in a ninth aspect, includes the cell measurement device described in the third aspect, the cell measurement device described in the fifth aspect, or the cell measurement device described in the seventh aspect, and includes the cell measurement device described in the fourth aspect.
  • a computer-readable storage medium is provided, the computer-readable storage medium is used to store a computer program, and when the computer program runs on a computer, the computer executes the first aspect or any one of the above The methods described in possible implementations.
  • a computer-readable storage medium for storing a computer program.
  • the computer program When the computer program is run on a computer, the computer can execute the second aspect or any one of the above. The method described in one possible implementation mode.
  • a computer program product containing instructions is provided.
  • the computer program product is used to store a computer program.
  • the computer program runs on a computer, the computer executes the first aspect or any one of the above. The method described in one possible implementation mode.
  • a computer program product containing instructions is provided.
  • the computer program product is used to store a computer program.
  • the computer program runs on a computer, the computer executes the second aspect or any one of the above. The method described in one possible implementation mode.
  • FIG. 1 is an architecture diagram of a communication system provided by an embodiment of this application.
  • 2A is a schematic diagram of the time domain position of a reference signal provided by an embodiment of this application.
  • 2B is a schematic diagram of a measurement gap measurement according to an embodiment of the application.
  • 2C is a schematic diagram of the measurement gap position provided by an embodiment of the application.
  • 2D is a schematic diagram of determining system frame and frame timing deviation provided by an embodiment of the application.
  • 2E is a schematic diagram of the time domain position of the reference signal of the SMTC and the inter-frequency cell provided by an embodiment of this application;
  • 2F is a schematic diagram of the time domain position of the reference signal of the measurement gap and the inter-frequency cell provided by an embodiment of this application;
  • 2G is a schematic diagram of the time domain position of the reference signal of the SMTC and the inter-frequency cell provided by an embodiment of this application;
  • FIG. 2H is a schematic diagram of the time domain position of the reference signal of the measurement gap and the inter-frequency cell provided by an embodiment of this application;
  • FIG. 3 is a flowchart of a cell measurement method provided by an embodiment of this application.
  • FIG. 4A is a schematic diagram illustrating an example of the cell measurement method provided in FIG. 3 according to an embodiment of the present application
  • FIG. 4B is a schematic diagram illustrating an example of the cell measurement method provided in FIG. 3 according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a cell measurement device provided by an embodiment of this application.
  • FIG. 6 is a schematic structural diagram of a cell measurement device provided by an embodiment of this application.
  • FIG. 7 is a schematic structural diagram of a cell measurement device provided by an embodiment of this application.
  • FIG. 1 shows a possible communication system architecture to which the cell measurement method provided in the embodiment of the present application is applicable.
  • the communication system includes: a network device 101 (such as the network device 101a, the network device 101b, and the network device 101c in FIG. 1), and the terminal device 102.
  • the network device 101 is responsible for providing wireless access-related services for the terminal device 102, realizing wireless physical layer functions, resource scheduling and wireless resource management, quality of service (QoS) management, wireless access control, and Mobility management (such as cell reselection and handover) functions.
  • the network device 101 and the terminal device 102 are connected through a Uu interface, so as to realize the communication between the terminal device 102 and the network device 101.
  • the terminal device 102 is a device that accesses the network through a cell managed by the network device 101.
  • the number of terminal devices 102 in FIG. 1 is only an example. In practical applications, the network device 101 may provide services for multiple terminal devices 102.
  • Each network device 101 is responsible for managing at least one cell. As shown in FIG. 1, the network device 101a is responsible for managing cell A, the network device 101b is responsible for managing cell B, and the network device 101c is responsible for managing cell C and cell D. In this communication system, each cell uses the corresponding carrier frequency to provide access services for terminal equipment.
  • the network device 101 in FIG. 1 may be, for example, an access network device, such as a base station.
  • the access network equipment corresponds to different equipment in different systems.
  • a 4G system it can correspond to an eNB
  • a 5G system it corresponds to an access network device in 5G, such as gNB, or it is an access network device in a subsequent evolved communication system.
  • Network access equipment in a 4G system, it can correspond to an eNB, and in a 5G system, it corresponds to an access network device in 5G, such as gNB, or it is an access network device in a subsequent evolved communication system.
  • cell A, cell B, cell C, and cell D may all be LTE cells using 4G communication technology; or cell A, cell B, cell C, and cell D may all be NR cells using 5G communication technology; or Some of the cells of cell A, cell B, cell C, and cell D are LTE cells, and some of them are NR cells.
  • the network devices 101 included in FIG. 1 may have a dual-connection architecture, where the network device 101a is, for example, a primary network device, and the network device 101b is, for example, a secondary network device.
  • the terminal device can communicate with these two network devices.
  • Figure 1 shows the EN-DC architecture, then the network device 101a is an LTE network device, and the network device 101b is an NR network device; or, Figure 1 shows the NE-DC architecture, then the network device 101a is an NR network device, and the network device 101b is LTE network equipment, etc.
  • the terminal device 102 includes a device that provides voice and/or data connectivity to a user, specifically, includes a device that provides voice to a user, or includes a device that provides data connectivity to a user, or includes a device that provides voice and data connectivity to a user device of. For example, it may include a handheld device with a wireless connection function, or a processing device connected to a wireless modem.
  • the terminal device can communicate with the core network via a radio access network (RAN), exchange voice or data with the RAN, or exchange voice and data with the RAN.
  • RAN radio access network
  • the terminal equipment may include user equipment (UE), wireless terminal equipment, mobile terminal equipment, device-to-device communication (device-to-device, D2D) terminal equipment, vehicle to everything (V2X) terminal equipment , Machine-to-machine/machine-type communications (M2M/MTC) terminal equipment, Internet of things (IoT) terminal equipment, subscriber unit, subscriber station (subscriber) station), mobile station (mobile station), remote station (remote station), access point (AP), remote terminal (remote terminal), access terminal (access terminal), user terminal (user terminal), user Agent (user agent), or user equipment (user device), etc.
  • UE user equipment
  • M2M/MTC Machine-to-machine/machine-type communications
  • IoT Internet of things
  • subscriber unit subscriber station (subscriber) station)
  • mobile station mobile station
  • remote station remote station
  • access point AP
  • remote terminal remote terminal
  • access terminal access terminal
  • user terminal user terminal
  • user Agent user agent
  • user equipment user device
  • it may include mobile phones (or “cellular” phones), computers with mobile terminal equipment, portable, pocket-sized, hand-held, mobile devices with built-in computers, and so on.
  • PCS personal communication service
  • PCS cordless phone
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • restricted devices such as devices with low power consumption, or devices with limited storage capabilities, or devices with limited computing capabilities. Examples include barcodes, radio frequency identification (RFID), sensors, global positioning system (GPS), laser scanners and other information sensing equipment.
  • RFID radio frequency identification
  • GPS global positioning system
  • laser scanners and other information sensing equipment.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices or smart wearable devices, etc. It is the general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes Wait.
  • a wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which need to cooperate with other devices such as smart phones.
  • Use such as all kinds of smart bracelets, smart helmets, smart jewelry, etc. for physical sign monitoring.
  • the various terminal devices introduced above if they are located on the vehicle (for example, placed in the vehicle or installed in the vehicle), can be considered as vehicle-mounted terminal equipment.
  • vehicle-mounted terminal equipment is, for example, also called on-board unit (OBU). ).
  • the terminal device may also include a relay. Or it can be understood that everything that can communicate with the base station can be regarded as a terminal device.
  • the network device 101 includes an access network (access network, AN) device, such as a base station (for example, an access point), which may refer to a device in an access network that communicates with wireless terminal devices through one or more cells through an air interface, Or, for example, a network device in a vehicle-to-everything (V2X) technology is a roadside unit (RSU).
  • the base station can be used to convert received air frames and IP packets into each other, and act as a router between the terminal device and the rest of the access network, where the rest of the access network can include the IP network.
  • the RSU can be a fixed infrastructure entity that supports V2X applications, and can exchange messages with other entities that support V2X applications.
  • the network equipment can also coordinate the attribute management of the air interface.
  • the network equipment may include the evolved base station (NodeB or eNB or e-NodeB, evolutional Node B) in the LTE system or the long term evolution-advanced (LTE-A), or may also include the fifth-generation mobile Communication technology (the 5th generation, 5G) NR system (also referred to as NR system) next generation node B (next generation node B, gNB) or may also include cloud radio access network (cloud radio access network, Cloud RAN) system Centralized unit (CU) and distributed unit (DU) in, the embodiment of this application is not limited.
  • the network equipment may also include core network equipment.
  • the core network equipment includes, for example, access and mobility management functions (AMF) or user plane functions (UPF). Because the embodiments of the present application mainly relate to access network equipment, in the following text, unless otherwise specified, the network equipment mentioned refers to the access network equipment.
  • AMF access and mobility management functions
  • UPF user plane functions
  • the device used to implement the function of the network device may be a network device, or a device capable of supporting the network device to implement the function, such as a chip system, and the device may be installed in the network device.
  • the device used to implement the functions of the network equipment is a network device as an example to describe the technical solutions provided in the embodiments of the present application.
  • the architecture shown in Figure 1 can be applied to a variety of communication scenarios, for example, the fifth generation (The 5th Generation, 5G) communication system, the future sixth generation communication system and other evolving communication systems, long-term evolution (long term evolution, LTE) communication system, vehicle to everything (V2X), long-term evolution-Internet of Vehicles (LTE-vehicle, LTE-V), vehicle to vehicle (V2V), Internet of Vehicles, machine Communication (machine type communications, MTC), Internet of things (IoT), long-term evolution-machine to machine (LTE-machine to machine, LTE-M), machine to machine (machine to machine, M2M) and other communication scenarios middle.
  • long-term evolution long term evolution, LTE
  • V2X vehicle to everything
  • LTE-vehicle long-term evolution-Internet of Vehicles
  • V2V vehicle to vehicle
  • Internet of Vehicles Internet of Vehicles
  • machine Communication machine type communications, MTC
  • IoT Internet of things
  • LTE-machine to machine LTE-mach
  • At least one means one or more, and “plurality” means two or more.
  • “And/or” describes the association relationship of the associated object, indicating that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, and B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the associated objects before and after are in an “or” relationship.
  • "The following at least one item (a)” or similar expressions refers to any combination of these items, including any combination of a single item (a) or a plurality of items (a). For example, at least one of a, b, or c can mean: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple .
  • the terminal device supports simultaneous access to two network devices.
  • This access method is called dual connectivity (DC).
  • One network device is the main network device and the other network device is the auxiliary network device.
  • DC dual connectivity
  • One network device is the main network device and the other network device is the auxiliary network device.
  • LTE is also called the evolved universal land surface Wireless access (evolved universal terrestrial radio access, E-UTRA), so this access method is called EN-DC.
  • E-UTRA evolved universal land surface Wireless access
  • EN-DC evolved universal terrestrial radio access
  • the LTE network equipment is the main network equipment
  • the NR network equipment is the auxiliary network equipment.
  • NR E-UTRA dual connectivity NR network equipment is the main network equipment, LTE network
  • the equipment is the auxiliary network equipment. Since both EN-DC and NE-DC terminal devices are connected to network devices of two different wireless access technologies, these DC modes can also be collectively referred to as MR-DC.
  • the terminal in order to ensure business continuity, the terminal obtains continuous service of the wireless network by switching between cells with different coverage areas or reselecting cells.
  • the network device When the terminal device moves to the edge of the cell, the network device will issue measurement control tasks such as the same frequency, different frequency or different system, so that the terminal device can switch to the same frequency, different frequency or different system.
  • scenario 1 After the terminal is connected to the current serving cell, the position of the terminal moves. For example, when the terminal is far away from the current serving cell, the terminal may need to perform cell handover or cell reselection.
  • Scenario 2 When the service quality of the cell currently serving the terminal is poor (for example, the signal strength is low), the terminal may perform cell handover or cell reselection to access a neighboring cell with better signal.
  • the current serving cell here is a cell currently serving the terminal, and a neighboring cell can be understood as a cell other than the serving cell where the terminal can search for signals in the serving cell.
  • the terminal when the terminal is in the RRC_IDLE state and the RRC_INACTIVE state, there is no RRC link with the current serving cell.
  • the signal quality of the serving cell where the terminal resides is lower than a certain threshold, the neighbor cell measurement can be performed to measure the signal quality of the neighbor cell. If the signal quality meets the condition, it will switch to the neighbor cell and camp in the neighbor cell.
  • the process of switching from the serving cell to other cells is a cell reselection process.
  • the terminal when the terminal is in the RRC_CONNECTED state, there is an RRC connection between the terminal and the current serving cell.
  • the current serving cell can configure the terminal to perform neighbor cell measurement through RRC signaling.
  • the terminal reports the measurement result of the neighboring cell to the serving cell, and the serving cell switches the terminal to a cell with better signal quality according to the measurement result.
  • the process of switching from the serving cell to the neighboring cell is a cell handover (Handover) process. Therefore, the terminal stationed in the current serving cell can measure related information (such as signal quality) of the neighboring cell, so as to be used as a basis for cell handover or cell renewal. It is understandable that the above cell reselection or cell handover processes are all performed based on the measurement results of neighboring cells.
  • Measurement configuration information which is sent by the base station to the terminal device, to enable the terminal device to perform cell measurement based on the measurement configuration information.
  • the base station can send the measurement configuration information through RRC signaling.
  • the measurement configuration information may, but is not limited to, include at least one of the following measurement parameters: a measurement object, a list of neighboring cells to be measured, or measurement gap configuration parameters (measurement gap period, measurement gap length, measurement gap start position).
  • the base station may also send the measurement configuration information again to instruct the base station to adjust the value of at least one of the above measurement parameters. In this way, the base station can flexibly reconfigure the measurement parameters.
  • the base station instructs the base station to adjust the value of any measurement parameter through the measurement configuration information, which may include but is not limited to the following forms:
  • the measurement configuration information includes the adjusted value of the measurement parameter.
  • the measurement configuration information includes the adjustment value of the measurement parameter, and the adjustment value may be the difference between the adjusted value of the measurement parameter and the value before the adjustment.
  • the measurement configuration information includes an adjustment instruction of the measurement parameter.
  • the terminal device may determine the adjusted value of the measurement parameter in accordance with the adjustment instruction of the measurement parameter in a manner agreed with the base station.
  • Measurement report which is obtained by terminal equipment after cell measurement and reported to the base station.
  • the measurement report may include the measurement result of the terminal device on the at least one neighbor cell to be measured (the at least one neighbor cell to be measured)
  • the measurement result of is the actual measurement value), or contains the measurement results of all measured neighboring cells (wherein, the measurement result of the neighboring cell to be measured for which the terminal device does not receive the reference signal is empty or zero.
  • the terminal device may not report the measurement report, or the reported measurement report is empty, or each neighbor to be measured in the reported measurement report The measurement result of the cell is empty or zero.
  • the measurement result of each neighboring cell to be measured may be the signal quality parameter of the neighboring cell to be measured.
  • the signal quality parameter may include one or more of the following parameters: reference signal received power (RSRP), signal to interference plus noise ratio (SINR), received signal strength Indication (received signal strength indication, RSSI), reference signal received quality (reference signal received quality, RSRQ).
  • the terminal equipment can perform cell search and cell measurement through reference signals (for example, synchronization signals) issued by the network equipment.
  • reference signals for example, synchronization signals
  • the reference signal measured by the terminal device may include: synchronization signal/physical broadcast channel block (SS/PBCH block, SSB), channel state information reference signal (CSI-RS), etc.
  • fourth generation long term evolution The 4 th Generation, 4G) communication technology (long term evolution, LTE) cell reference signal - reference signal cell (cell reference signal, CRS) are uniformly distributed in each sub-frame of.
  • 4G Long term evolution
  • LTE long term evolution
  • CRS cell reference signal
  • 5G Fifth Generation
  • new air interface communication technologies new radio, NR
  • cell reference signal - block synchronization signal (synchronization signal block, SSB)
  • SSB synchronization signal block
  • PSS is mainly used for coarse synchronization
  • SSS is used for fine synchronization and SSB-based measurement
  • PBCH is used for broadcasting cell-level system information.
  • SSBs are sent in cycles, and multiple SSBs can be sent in a cycle. Multiple SSBs can be concentrated in a certain time window in the cycle to form a SSB block set (burst set/ burst).
  • the SSB cycle can be 5ms, 10ms, 20ms, 40ms, 80ms, or 160ms, etc., and the SSB cycle of different NR cells can also be different.
  • the SSB block set can be sent in the first or the second 5 ms.
  • Synchronous signal measurement timing configuration (SMTC)
  • SMTC is a window configured by the network for terminal equipment to perform SSB measurement.
  • the UE only needs to perform SSB measurement within the SMTC window, and does not need to perform SSB measurement outside the window.
  • the SMTC can configure the period and offset of the SMTC according to the period and offset of the SSB.
  • the terminal measures NR and SSB based on the SMTC window configured on the network side, and can configure SMTC separately according to the SSB of different frequency points. For the same frequency measurement in the connected state, the network can configure at most two SMTC windows on one frequency point for the terminal equipment.
  • the network can configure at most one SMTC window on each frequency point for the terminal device.
  • the configuration parameters of an SMTC window include: SMTC timing: period and offset information of the SMTC window.
  • the period of SMTC can be 5, 10, 20, 40, 80, 160 ms.
  • SMTC duration The length of the SMTC window.
  • the granularity of the SMTC window length is also 1ms, and the length can be 1, 2, 3, 4, or 5ms.
  • network equipment can configure neighbor cell measurement methods for the terminal according to the capabilities of the terminal, and the issued inter-frequency and inter-system measurement control tasks.
  • Mainly can be divided into 2 categories, cell measurement method 1: measurement based on gap (or measurement gap).
  • the terminal interrupts the reception and transmission of data with the serving cell, and performs neighbor cell measurement.
  • Cell measurement method 2 Neighbor cell measurement based on no gap, that is, measurement not based on measurement gap. The following is an example.
  • a user equipment when a user equipment (UE) has only a single receiving channel, signals can only be received on one frequency point at the same time, that is, signals of only one cell can be received at the same time.
  • the UE When the UE is receiving data from its serving cell, if it needs to perform measurement operations such as inter-frequency measurement or inter-system measurement on other cells, the receiver needs to leave the current frequency point to the frequency point that needs to be measured for a period of time. .
  • the UE In order to ensure the quality of the radio link between the UE and the current serving cell, the UE usually stops receiving signals and data from its serving cell during a specified period of time, and receives signals from other cells for inter-frequency measurement or inter-system measurement. After the time period ends, the UE starts to receive signals and data from the serving cell again. This time period is called the measurement gap.
  • the user carries the terminal within the range of cell 1, and the terminal resides in cell 1.
  • the terminal can perform the measurement based on the measurement gap. Neighborhood measurement. Specifically, the terminal interrupts data transmission and reception with cell 1 in the measurement gap, detects the synchronization signal of cell 2, establishes synchronization with cell 2 using the synchronization signal of cell 2, and performs related measurements through the reference signal sent by cell 2, thereby The measurement of cell 2 is completed. If the measurement result of the cell 2 indicates that the signal strength of the cell 2 is greater than the preset value, the terminal switches to the cell 2 and resides in the cell 2.
  • a preset value which can be a pre-stored value
  • the measurement gap can be pre-configured or configured by the base station. For example, when a terminal accesses cell 1, cell 1 allocates a measurement gap for the terminal, so that the terminal performs neighbor cell measurement within the measurement gap.
  • FIG. 2C shows a schematic diagram of a measurement gap provided by an embodiment of the present application.
  • the measurement gap includes: a measurement gap length (MGL), a measurement gap repetition period (MGRP), and a measurement gap offset (offset) used to configure the starting position of the measurement gap.
  • the terminal can determine the system frame number (SFN) and subframe (subframe) corresponding to the start position of the measurement gap according to these three parameters. Specifically, the system frame number (SFN) and subframe (subframe) corresponding to the start position of the measurement gap may satisfy the following conditions:
  • subframe measurement gap offset mod 10
  • FLOOR measurement gap offset/10
  • the measurement gap offset mod 10 is used to indicate the measurement gap offset to take the remainder of 10.
  • the maximum MGL can be 6ms.
  • the value range of the measurement gap offset (measurement gap offset) can be 0-39, or 0-79.
  • the terminal device can calculate the time domain position of the measurement gap based on the above measurement gap configuration parameters.
  • the UE When the measurement gap is configured for measurement, the UE first detects the synchronization signals of other cells within the configured measurement gap, uses the synchronization signals of other cells to synchronize with other cells, and then performs related measurements on the reference signals sent by other cells to complete Measurements on other cells.
  • the terminal does not need to interrupt the data transmission and reception with the serving cell in the measurement gap, and can also perform neighbor cell measurement. Therefore, for the serving cell, there is no need to allocate measurement gaps for the terminal, saving transmission resources.
  • the terminal has multiple receiving channels, it can support combined reception of multiple different frequency bands, and has the ability to directly measure different frequencies/systems without configuring measurement gaps. In this way, the data transmission in the original service area is not interrupted, and the service in the original service area of the terminal is not affected.
  • the terminal equipment in the LTE cell and the NR cell belonging to the same frequency range (frequency range, FR) the networks of different measurement standards cannot interfere with each other.
  • the terminal equipment in the NSA/SA connection state the LTE and NR cells of the same FR
  • LTE measures NR EN-DC measures LTE inter-frequency
  • EN-DC measures NR inter-frequency
  • SA measures NR inter-frequency
  • SA measures LTE inter-system and other scenarios, it is necessary to configure measurement gaps to assist in measurement.
  • the measurement gap configuration information includes period, offset, and length. Once the measurement gap configuration information is configured through the RRC message, it will periodically appear at a fixed offset position until it is configured through the RRC message again.
  • the LTE primary base station when configuring the EN-DC architecture for the LTE base station, the LTE primary base station will configure a measurement gap for the terminal device, and the terminal device will measure the synchronization signal from the NR secondary base station in the measurement gap.
  • the time of the LTE primary base station and the NR secondary base station may not be aligned, causing the measurement gap configured by the LTE primary base station to be misaligned with the time of the NR secondary base station.
  • the synchronization signal of the base station which may cause the measurement result obtained by the terminal device to be inaccurate, or may cause the terminal device to be unable to complete the measurement.
  • the system frame number and frame timing difference SFTD measurement is introduced.
  • the terminal can determine the SFTD based on the received signal of the serving cell and the inter-frequency neighboring interval, and the signal time difference delay2-delay1.
  • the time difference between the cell of the NR secondary base station and the cell of the LTE primary base station is obtained. Therefore, the terminal can notify the network device of the determined SFTD through an air interface message.
  • the network equipment can determine the SMTC and measurement gap configuration relative to the service area timing when measuring the SSB according to the SFTD between the current cell and the neighboring cell.
  • the system frame and frame timing deviation SFTD measurement can also be used to determine the system frame and timing between cells deviation.
  • the delay time delay1 of the received signal is determined
  • the time difference delay2-delay1 between the signal between the neighboring cell and the serving cell is determined, so that the SFTD can be determined.
  • SFTD may include SFN frame number difference and frame boundary time difference.
  • the terminal can notify the network equipment of the determined SFTD through an air interface message.
  • the network equipment can convert the frame timing of the SSB of the neighboring cell to the SSB configuration information relative to the service area timing according to the SFTD between the neighboring cell and the serving cell, so as to configure the corresponding SMTC configuration information and measurement relative to the service area timing Gap configuration information.
  • the SMTC needs to determine the sending position of the NR SSB, and it also needs to stop the reception and scheduling of the service area data at the measurement gap. That is, the terminal needs to configure the SMTC based on the measurement gap configured on the network side and the synchronization signal measurement timing at the same time.
  • the terminal will integrate the SMTC configuration information and the measurement gap configuration information, use the overlap window of the SMTC and the measurement gap to perform measurement, and measure the inter-frequency or inter-system NR neighboring cell SSB.
  • the period can be multiple, and the SSB can be in the first 5ms (first half frame) or the last 5ms (second half frame), so the location of SSB is flexible.
  • the SSB and SMTC of cells with different frequency points are likely to be misaligned.
  • the system frame and frame timing deviation of the cell at frequency f1 corresponding to the UE’s serving cell is SFTD1
  • the SMTC determined according to SFTD1 is f1-SMTC, which can cover the SSB at frequency f1.
  • the period of this SSB is 20ms
  • the corresponding period of f1-SMTC is also 20ms.
  • Cell 2 at frequency f2 corresponds to the UE’s serving cell with a system frame and frame timing deviation of SFTD2.
  • the SMTC determined by SFTD2 is f2-SMTC, which can cover the SSB at frequency f2.
  • the period of this SSB is 20ms, which corresponds to f2.
  • the period of SMTC is also 20ms.
  • the parameters of the measurement gap can include period, offset, and length. Once the parameters of the measurement gap are configured, the position where the measurement gap appears is a fixed period. At this time, the measurement gap cannot correspond to the different SSB and SMTC positions of each frequency point cell. For example, as shown in FIG. 2F, the offset offset of the measurement gap configured for the terminal is consistent with f1-SMTC, and the period of the measurement gap is 40 ms. At this time, the measurement gap can cover f1-SMTC, but cannot cover f2-SMTC, so that the terminal cannot measure the neighboring cell with the frequency point f2 in the measurement gap.
  • the SSB and SMTC of cells with different frequency points in the time domain are likely to be misaligned.
  • the SSB configured in the cell of frequency f1 is in the first 5ms
  • the period of the SSB is 20ms
  • the SMTC determined according to the SSB is f1-SMTC
  • the offset is 0ms
  • the period of f1-SMTC is also 20ms. It can cover the SSB with frequency f1.
  • the SSB configured in cell 2 of frequency f2 is the last 5ms, the period of this SSB is 20ms, the SMTC determined according to the SSB is f2-SMTC, the offset is 5ms, and the period of f2-SMTC is also 20ms, which can cover the frequency SSB of f2.
  • a measurement gap cannot be configured to measure the SSB with frequency f1 and frequency f2.
  • the offset offset of the measurement gap configured for the terminal is consistent with f2-SMTC, and the period of the measurement gap is 40 ms.
  • the measurement gap can cover f2-SMTC, but cannot cover f1-SMTC, so that the terminal cannot measure the neighboring cell with the frequency point f1 in the measurement gap.
  • the measurement gaps uniformly configured at each frequency point and the SSB and SMTC configured in each frequency point cell will be inconsistent in the time domain.
  • the SSB time domain positions of the cells at different frequency points are not consistent
  • the SMTC time domain position of each frequency point is different, and the terminal measurement uses the overlap window of the SMTC and the measurement gap, it will cause the measurement gap and the SMTC window to not overlap, that is, the measurement gap configured by the network device It is possible that the SSB of the neighboring cell's base station cannot be included, and the terminal device cannot receive the SSB from the neighboring cell's base station in the measurement gap.
  • the terminal device cannot measure the SSB of the neighboring cell of the NR inter-frequency/different system.
  • the NSA system cannot add SCG normally.
  • the cell cannot reside in a 5G cell, or the SA system NR cannot normally switch to a neighboring cell with different frequencies, cannot find a neighboring cell that can be switched, and the call is dropped or cannot be switched to the best neighboring cell.
  • an embodiment of the present application provides a cell measurement method.
  • the cell measurement method provided in the embodiments of the present application can be applied to various scenarios where inter-frequency/inter-system measurement needs to be performed through measurement gap measurement in the communication system as shown in FIG. 1, for example, the LTE measurement scenario in 4G communication technology , And the following scenarios supporting dual connectivity (DC) technology in 5G communication technology: EN-DC (EUTRA-NR dual connectivity) scenarios, NE-DC (NR-EUTRA dual connectivity), NR-DC, and non- DC scene, SA scene and NSA scene in 5G communication technology.
  • EN-DC EUTRA-NR dual connectivity
  • NE-DC NR-EUTRA dual connectivity
  • NR-DC Non- DC scene
  • SA scene and NSA scene in 5G communication technology.
  • the terminal device 102 accesses the cell A managed by the network device 101a (cell A is a serving cell), and the cell B, cell C, and cell D are neighboring cells determined by the network device 101a for the terminal device 102.
  • the network device 101a sends measurement configuration information to the terminal device 102, where the measurement configuration information includes measurement gap configuration parameters and a list of neighboring cells to be measured (including cell B, cell C, and cell D).
  • the terminal device 102 determines the time domain position of the measurement gap according to the measurement configuration information, and performs cell measurement within the measurement gap, and reports the measurement report to the network device 101a after the measurement is completed; the network device 101a reports the signal quality of each cell in the measurement report Parameter to switch the terminal equipment to a cell with better signal quality.
  • the cell A is the primary cell (primary cell, PCell) of the terminal device 102
  • the network device 101a is the primary base station of the terminal device 102.
  • the network device 101a sends measurement configuration information to the terminal device 102, where the measurement configuration information includes measurement gap configuration parameters and a list of neighboring cells to be measured (including cell B, cell C, and cell D); the terminal device 102 determines the measurement gap according to the measurement configuration information After the measurement is completed, the measurement report is reported to the network device 101a; the network device 101a configures the terminal device 102 with a secondary cell according to the signal quality parameters of each cell in the measurement report. , SCell), so as to realize adding a secondary cell group (SCG) to the terminal device 102.
  • SCell secondary cell group
  • Step 301 The base station determines the first target cell and the second target cell to be measured by the terminal device.
  • the cell frequency of the first target cell is different from the cell frequency of the second target cell.
  • Step 302 The base station configures the measurement gap configuration information of the first target cell and the measurement gap configuration information of the second target cell for the terminal device.
  • the following examples illustrate how the measurement gap configuration information of each target cell is determined. It includes the following steps:
  • Step 3021 The base station receives first measurement information from the terminal device
  • the first measurement information may include: first timing deviation information between the serving cell of the terminal device and the first target cell.
  • the terminal device may determine the delay time delay1 for receiving the reference signal of the serving cell in the system frame number SFN1 according to the reference signal of the receiving serving cell.
  • the terminal device can determine the delay time delay2 for the terminal device to receive the reference signal of the first target cell in the system frame number SFN2 according to the reference signal of the first target cell. Therefore, the terminal device can determine the first target cell according to the time difference between delay2 and delay1. Timing deviation information. Therefore, the terminal device can report the first timing deviation information and the system frame number to the base station.
  • the first measurement information may also include second timing deviation information between the serving cell of the terminal device and the second target cell.
  • the terminal device can determine the delay time delay1 of the reference signal of the receiving serving cell in the system frame number SFN1 according to the reference signal of the receiving serving cell.
  • the terminal device can determine the delay time delay3 in the system frame number SFN3 for the terminal device to receive the reference signal of the second target cell according to the reference signal of the second target cell. Therefore, the terminal device can determine the second timing according to the time difference between delay3 and delay1. Deviation information. Therefore, the terminal device can report the second timing deviation information and the system frame number to the base station.
  • first timing deviation information and the second timing deviation information may be sent to the base station at the same time, or may be sent to the base station in a time-sharing manner, which is not limited here.
  • Step 3022 The base station determines the SMTC information of the first target cell relative to the serving cell according to the first timing offset information and the SMTC information of the first target cell.
  • the base station may determine the SFTD of the first target cell relative to the serving cell according to the first timing offset information of the first target cell reported by the terminal and the corresponding SFN.
  • the time domain position of the reference signal of the first target cell corresponds to the time window corresponding to the SMTC information of the first target cell.
  • the base station may determine the SMTC information of the first target cell according to the SSB configuration information of the first target cell. Therefore, the base station can determine the SMTC information of the first target cell based on the frame timing of the serving cell according to the SFTD of the first target cell relative to the serving cell and the SMTC information of the first target cell.
  • the SMTC information of the first target cell is represented by SMTC(1).
  • the base station may determine the SMTC information of the second target cell relative to the serving cell according to the second timing offset information and the SMTC information of the second target cell.
  • the base station may determine the SFTD of the second target cell relative to the serving cell according to the second timing offset information of the second target cell measured and reported by the terminal and the corresponding SFN. Therefore, the base station can convert the SMTC information of the second target cell into the SMTC information of the second target cell based on the frame timing of the serving cell.
  • the SMTC information of the second target cell is represented by SMTC(2).
  • the base station can configure the same measurement gap information for different target cells at the same frequency. For example, if the base station determines the third target cell to be measured by the terminal device; the cell frequency of the third target cell is the same as the cell frequency of the first target cell; at this time, the frequency of the third target cell.
  • the STMC information is also the same as the STMC information of the first target cell
  • the SFTD of the third target cell relative to the serving cell is also the same as the SFTD of the first target cell relative to the serving cell. Therefore, the measurement gap configuration information of the third target cell may be the same as the measurement gap configuration information of the first target cell.
  • the base station may send second measurement configuration information to the terminal device; the second measurement configuration information is used to indicate the measurement gap configuration information of the third target cell; the measurement gap configuration information of the third target cell is the same as The measurement gap configuration information of the first target cell is the same.
  • Step 3023 The base station determines the measurement gap configuration information of the first target cell according to the SMTC information of the first target cell relative to the serving cell.
  • the base station determines the measurement gap offset of the first target cell according to the offset of the SMTC of the first target cell relative to the serving cell.
  • the base station can determine the measurement gap offset1 of the first target cell according to SMTC(1), so that the time domain position of the measurement gap is consistent with the time domain position of the SMTC of the first target cell relative to the serving cell, so that The terminal device measures the reference signal of the first target cell at the position corresponding to the measurement gap.
  • the base station may determine the measurement gap configuration information of the second target cell according to the SMTC information of the second target cell relative to the serving cell.
  • the base station determines the measurement gap offset of the second target cell according to the offset of the SMTC of the second target cell relative to the serving cell.
  • the base station can determine the measurement gap offset2 of the second target cell according to SMTC(2), so that the time domain position of the measurement gap is consistent with the time domain position of the SMTC of the second target cell relative to the serving cell, so that the terminal can be
  • the device measures the reference signal of the second target cell at the position corresponding to the measurement gap.
  • the base station can configure a measurement gap offset(n) for each frequency point according to the determined SMTC(n) of the target cell at each frequency point, so that the position of the measurement gap of each frequency point and the measurement gap of each frequency point The SMTC(n) is consistent, so that the terminal device can measure the reference signal of the target cell at each frequency point when the measurement gap is used.
  • the period of the measurement gap There are many ways to set the period of the measurement gap. For example, different measurement gap periods can be determined for different target cells, or the same measurement gap period can be set. The following is an example of determining the measurement gap period of the first target cell. There may also be multiple ways to determine the measurement gap period of each target cell, and the following uses Mode 1 to Mode 2 as an example.
  • the measurement gap configuration information further includes: a measurement gap period; the SMTC information of the first target cell includes: the SMTC period of the first target cell; and the SMTC information of the second target cell Including: the SMTC period of the second target cell.
  • the base station determines the measurement gap period of the first target cell according to the SMTC period of the first target cell and the SMTC period of the second target cell.
  • Manner 1 The measurement gap period of the first target cell is greater than the SMTC period of the first target cell; the measurement gap period of the first target cell is greater than the SMTC period of the second target cell.
  • the SMTC period of the first target cell is 20ms
  • the SMTC period of the second target cell is 20ms
  • the measurement gap period of the first target cell can be set to 30ms
  • the measurement gap offset of the first target cell The amount is offset1.
  • the terminal device may measure the reference signal of the first target cell when the measurement gap period of the first target cell arrives according to the measurement gap configuration information of the first target cell.
  • the measurement gap period of the second target cell can be set to 30 ms, and the measurement gap offset of the second target cell is offset2.
  • the terminal device may measure the reference signal of the second target cell when the measurement gap period of the second target cell arrives according to the measurement gap configuration information of the second target cell.
  • the measurement gap period of the first target cell can be the same as the measurement gap period of the second target cell, or the measurement gap period of different target cells can be configured according to different target cells, which is not limited here. .
  • the base station can determine the maximum period according to the SMTC period of the first target cell and the SMTC period of the second target cell, so that the maximum period is used as the measurement gap period of the first target cell, and the base station can The sum of the SMTC period of the first target cell and the SMTC period of the second target cell is used as the measurement gap period of the second target cell.
  • the SMTC period of the first target cell is 40ms, and the SMTC period of the second target cell is 40ms; the measurement gap period of the first target cell can be set to 80ms, and the measurement gap period of the second target cell is 80ms.
  • the measurement gap offset of the first target cell (frequency point 1) can be set to 0, and the measurement gap offset of the second target cell (frequency point 2) can be set to 45 ms. Therefore, the measurement gap occupied by measurement on the same frequency band can be configured with one measurement gap every 40 ms, and the time occupied by the measurement gap remains unchanged.
  • the terminal device can measure the reference signal of the first target cell when the measurement gap period of the first target cell arrives, and the terminal device can measure the reference signal of the second target cell when the measurement gap period of the second target cell arrives .
  • the measurement gap period of the first target cell may be the same as or different from the measurement gap period of the second target cell, which is not repeated here.
  • the first target cell (frequency point is f1) is Cell1 and the second target cell (frequency point is f2) is Cell2, according to the SFTD1 of the first target cell relative to the serving cell and the first target cell relative to the serving cell measured by the terminal SFTD2, combined with the configuration position of the SSB of the first target cell (the SSB is located in the first half frame or the second half frame), and the configuration position of the SSB of the second target cell (the SSB is located in the first half frame or the second half frame), you can determine the first target cell's Measurement gap configuration information, and measurement gap configuration information of the second target cell.
  • the measurement gap configuration period of the first target cell is 80 ms, and the measurement gap offset measurement gap offset of the first target cell is 5 ms.
  • the time occupied by the measurement gap is still 40ms, which is the same as the SMTC period. Therefore, the terminal can respectively measure the target cell on each frequency point according to the measurement gap configured on each frequency point.
  • the position of each measurement gap in the time domain does not overlap, and the time occupied by the measurement gap is basically unchanged compared to the method of setting a measurement gap for the same frequency band in the same time period. Does not affect the transmission efficiency of terminal equipment.
  • the base station can determine the measurement gap period of each target cell according to the n SMTC periods of the n target cells determined by the n frequency points. .
  • the measurement gap period can be configured as n ⁇ SMTC period, and the offset can be configured separately according to the SMTC configuration information of each frequency point cell.
  • Step 303 The base station sends first measurement configuration information to the terminal device.
  • the first measurement configuration information includes: measurement gap configuration information of the first target cell and measurement gap configuration information of the second target cell.
  • the first measurement configuration information may include measurement gap configuration parameters (measurement gap period, measurement gap length, and measurement gap offset), and may also include information such as a list of neighbor cells to be measured, a measurement report reporting strategy, and so on.
  • the first measurement configuration information may be measurement gap configuration (meas measurement gap Config) signaling or measurement configuration (measConfig) signaling.
  • Step 304 The terminal device measures the first target cell and the second target cell according to the first measurement configuration information.
  • the terminal device measures the reference signal of the first target cell in a time window corresponding to the measurement gap configuration information of the first target cell according to the measurement gap configuration information of the first target cell.
  • the terminal device measures the reference signal of the first target cell within a measurement gap time window corresponding to the measurement gap offset of the first target cell.
  • the terminal device may also receive second measurement configuration information; the terminal device makes a reference to the third target cell according to the second measurement configuration information The signal is measured.
  • the terminal device measures the reference signal of the first target cell when the measurement gap period of the first target cell arrives.
  • the terminal device measures the reference signal of the second target cell in a time window corresponding to the measurement gap configuration information of the second target cell according to the measurement gap configuration information of the second target cell.
  • the terminal device may report the capability to the base station, and indicate in the report capability that no measurement gap is required for this frequency point to be measured.
  • the base station can determine that the frequency point may not be configured with a measurement gap, but only the SMTC is configured for measurement according to the ability reported by the terminal.
  • the scheduling may not be interrupted, and the terminal may continue to send and receive data, thereby improving transmission efficiency. Specifically, it can include the following steps:
  • Step 401 The terminal device reports the capability to the base station.
  • the capability is used to indicate that the terminal device does not configure measurement gap configuration information when measuring the first frequency point.
  • the base station receives the capability reported by the terminal device.
  • Step 402 The base station determines the fourth target cell to be measured by the terminal device; wherein the cell frequency of the fourth target cell is the first frequency; the first frequency and the first target cell The cell frequency of the cell is different; the cell frequency of the first frequency is different from that of the second target cell.
  • Step 403 The base station sends third measurement configuration information to the terminal device.
  • the third measurement configuration information is used to indicate that the terminal device does not configure a measurement gap when measuring the fourth target cell.
  • the terminal device receives the third measurement configuration information sent by the base station.
  • the sending of various measurement configuration information by the base station to the terminal device and the sending of the measurement report or notification message by the terminal device to the base station can be implemented through RRC signaling. , This application does not limit this.
  • the base station can measure all the cells to be measured, thereby completing cell measurement and avoiding performance loss due to continuous measurement failures. Therefore, this method can improve the success rate and efficiency of the cell measurement of the terminal equipment.
  • FIG. 5 is a schematic block diagram of a cell measurement device 500 provided by an embodiment of the application.
  • the cell measurement device 500 includes a processing module 510 and a transceiver module 520.
  • the cell measurement apparatus 500 may be a network device, such as a base station, or a chip set in the network device, or other combination devices, components, etc. having the above-mentioned network device functions.
  • the transceiver module 520 may be a transceiver
  • the transceiver may include an antenna and a radio frequency circuit, etc.
  • the processing module 510 may be a processor, such as a baseband processor.
  • the baseband processor may include one or more A central processing unit (central processing unit, CPU).
  • the transceiver module 520 may be a radio frequency unit, and the processing module 510 may be a processor, such as a baseband processor.
  • the transceiver module 520 may be an input/output interface of a chip (such as a baseband chip), and the processing module 510 may be a processor of the chip system, and may include one or more central processing units.
  • the processing module 510 in the embodiment of the present application may be implemented by a processor or a processor-related circuit component, and the transceiver module 520 may be implemented by a transceiver or a transceiver-related circuit component.
  • the processing module 510 may be used to perform all operations except for the transceiving operation by the base station in the embodiment shown in FIG. 3, for example, step 301 to step 303, and/or other processes used to support the technology described herein .
  • the transceiving module 520 may be used to perform all the transceiving operations by the base station in the embodiment shown in FIG. 3, and/or to support other processes of the technology described herein.
  • the transceiver module 520 can be a functional module that can complete both sending and receiving operations.
  • the transceiver module 520 can be used to perform all the sending and receiving operations performed by the base station in the embodiment shown in FIG. 3.
  • the transceiver module 520 can be considered as a sending module, and when performing a receiving operation, the transceiver module 520 can be considered as a receiving module; or, the transceiver module 520 can also be two functional modules.
  • the module 520 can be regarded as a collective term for these two functional modules.
  • the two functional modules are respectively a sending module and a receiving module.
  • the sending module is used to complete the sending operation.
  • the sending module can be used to perform any of the functions of the embodiment shown in FIG.
  • the base station performs all the transmission operations, and the receiving module is used to complete the receiving operation.
  • the receiving module may be used to perform the embodiment shown in FIG. 3 by the base station for all the receiving operations.
  • the processing module 510 is configured to send first measurement configuration information to the terminal device through the transceiver module; the first measurement configuration information includes measurement gap configuration information of the first target cell and measurement gap configuration information of the second target cell; wherein The first target cell and the second target cell are cells to be measured by the terminal device, and the cell frequency of the first target cell is different from the cell frequency of the second target cell.
  • the transceiver module 520 is further configured to receive first measurement information from a terminal device; the first measurement information includes: first timing deviation information between the serving cell of the terminal device and the first target cell The measurement gap configuration information of the first target cell is determined according to the synchronization signal measurement timing configuration SMTC information of the first target cell relative to the serving cell; the SMTC information of the first target cell relative to the serving cell It is determined based on the first timing offset information and the SMTC information of the first target cell.
  • the measurement gap configuration information includes: a measurement gap offset
  • the measurement gap offset of the first target cell is determined according to the SMTC offset included in the SMTC information of the first target cell relative to the serving cell.
  • the measurement gap configuration information further includes: a measurement gap period; the SMTC information of the first target cell includes: the SMTC period of the first target cell; and the SMTC information of the second target cell Including: the SMTC period of the second target cell; the measurement gap period of the first target cell is determined according to the SMTC period of the first target cell and the SMTC period of the second target cell; the first The measurement gap period of the target cell is greater than the SMTC period of the first target cell; and/or the measurement gap period of the first target cell is greater than the SMTC period of the second target cell.
  • the processing module 510 is further configured to send second measurement configuration information to the terminal device through the transceiver module 520; the second measurement configuration information is used to indicate the measurement of the third target cell Gap configuration information; the cell frequency of the third target cell is the same as the cell frequency of the first target cell; the measurement gap configuration information of the third target cell and the measurement gap configuration information of the first target cell same.
  • the processing module 510 is further configured to receive the capability reported by the terminal device through the transceiver module 520, and send third measurement configuration information to the terminal device through the transceiver module 520;
  • the capability is used to indicate that the terminal device does not configure measurement gap configuration information when measuring the first frequency point;
  • the third measurement configuration information is used to indicate that the terminal device does not configure a measurement gap when measuring the fourth target cell; where
  • the cell frequency of the fourth target cell is the first frequency; the first frequency is different from the cell frequency of the first target cell and the cell frequency of the second target cell.
  • FIG. 6 is a schematic block diagram of a cell measurement device 600 provided by an embodiment of the application.
  • the cell measurement device 600 includes a processing module 610 and a transceiver module 620.
  • the cell measurement apparatus 600 may be a terminal device, or may be a chip applied to the terminal device or other combination devices, components, etc. having the above-mentioned terminal device functions.
  • the transceiver module 620 may be a transceiver
  • the transceiver may include an antenna and a radio frequency circuit, etc.
  • the processing module 610 may be a processor, such as a baseband processor.
  • the baseband processor may include one or more CPUs.
  • the transceiver module 620 may be a radio frequency unit, and the processing module 610 may be a processor, such as a baseband processor.
  • the transceiver module 620 may be an input/output interface of a chip (for example, a baseband chip), and the processing module 610 may be a processor of the chip system, and may include one or more central processing units.
  • the processing module 610 in the embodiment of the present application may be implemented by a processor or a processor-related circuit component, and the transceiver module 620 may be implemented by a transceiver or a transceiver-related circuit component.
  • the processing module 610 may be used to perform all operations other than the transceiving operation performed by the terminal device in the embodiment shown in FIG. 3, for example, step 304, and/or other operations used to support the technology described herein. process.
  • the transceiving module 620 may be used to perform all the transceiving operations performed by the terminal device in the embodiment shown in FIG. 3, and/or to support other processes of the technology described herein.
  • the transceiver module 620 may be a functional module that can perform both sending and receiving operations.
  • the transceiver module 620 may be used to perform all the sending operations performed by the terminal device in the embodiment shown in FIG. 3
  • receiving operations for example, when performing a sending operation, the transceiver module 620 can be considered as a sending module, and when performing a receiving operation, the transceiver module 620 can be considered as a receiving module; alternatively, the transceiver module 620 can also be two functional modules, The transceiver module 620 can be regarded as a collective term for these two functional modules.
  • the two functional modules are respectively a sending module and a receiving module.
  • the sending module is used to complete the sending operation.
  • the sending module can be used to perform the functions of the embodiment shown in FIG.
  • the terminal device sends all operations
  • the receiving module is used to complete the receiving operation.
  • the receiving module may be used to execute the embodiment shown in FIG. 3 and the terminal device receives all the operations.
  • the processing module 610 is configured to receive first measurement configuration information from the base station through the transceiver module 620, where the first measurement configuration information includes measurement gap configuration information of the first target cell and measurement gap of the second target cell Configuration information; the reference signal of the first target cell is measured on a time window corresponding to the measurement gap configuration information of the first target cell; and a time window corresponding to the measurement gap configuration information of the second target cell The above measures the reference signal of the second target cell.
  • the processing module before the processing module receives the first measurement configuration information from the base station through the transceiver module 620, it is further configured to send the first measurement information to the base station through the transceiver module 620;
  • the measurement information includes: first timing deviation information between the serving cell of the terminal device and the first target cell; the first timing deviation information is used to determine the relative difference between the first target cell and the serving cell of the terminal device.
  • the synchronization signal measurement timing configures SMTC information; the measurement gap configuration information of the first target cell is determined according to the SMTC information of the first target cell relative to the serving cell of the terminal device.
  • the measurement gap configuration information includes: a measurement gap offset; the SMTC information of the first target cell relative to the serving cell includes: the SMTC of the first target cell relative to the serving cell Offset; the measurement gap offset of the first target cell is determined according to the SMTC offset included in the SMTC information of the first target cell relative to the serving cell; the processing module 610 is configured to In the measurement gap time window corresponding to the measurement gap offset of the first target cell, the reference signal of the first target cell is measured; the time domain position of the reference signal of the first target cell corresponds to the The time window corresponding to the SMTC information of the first target cell.
  • the measurement gap configuration information further includes: a measurement gap period;
  • the SMTC information of the first target cell relative to the serving cell includes: the SMTC period of the first target cell relative to the serving cell
  • the measurement gap period of the first target cell is determined according to the SMTC period of the first target cell and the SMTC period of the second target cell; the measurement gap period of the first target cell is greater than the first The SMTC period of the target cell and the SMTC period of the second target cell;
  • the processing module 610 is configured to measure the reference signal of the first target cell when the measurement gap period of the first target cell arrives .
  • the processing module 610 is configured to receive second measurement configuration information through the transceiver module 620; measure the reference signal of the third target cell according to the second measurement configuration information;
  • the second measurement configuration information is used to indicate the measurement gap configuration information of the third target cell;
  • the measurement gap configuration information of the third target cell is the same as the measurement gap configuration information of the first target cell;
  • the cell frequency of the target cell is the same as the cell frequency of the first target cell.
  • the processing module 610 is used to report capabilities to the base station through the transceiver module 620; the capabilities are used to instruct the terminal equipment to not configure the measurement gap configuration under the first frequency point of measurement Information; the third measurement configuration information sent by the base station is received through the transceiver module 620; the third measurement configuration information is used to instruct the terminal equipment to not configure a measurement gap when measuring the fourth target cell; the fourth The cell frequency of the target cell is the first frequency; the first frequency is different from the cell frequency of the first target cell and the cell frequency of the second target cell.
  • the embodiment of the present application also provides a cell measurement device.
  • the cell measurement device may be a network device, a terminal device, a circuit, or a vehicle-mounted device.
  • the cell measurement apparatus can be used to perform the actions performed by the base station or terminal equipment in the foregoing method embodiments.
  • an embodiment of the present application also provides a cell measurement device 700.
  • the cell measurement apparatus 700 can be used to implement the method executed by the base station or terminal equipment in the above method embodiment.
  • the cell measurement apparatus 700 may be network equipment, terminal equipment, vehicle-mounted equipment, or Located in network equipment, terminal equipment or vehicle equipment, it can be the originating device or the receiving device.
  • the cell measurement apparatus 700 includes one or more processors 701.
  • the processor 701 may be a general-purpose processor or a special-purpose processor or the like. For example, it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processor can be used to control cell measurement devices (such as network equipment, terminal equipment, vehicle equipment or chips, etc.), execute software programs, and process software programs The data.
  • the cell measurement device 700 may include a transceiver unit to implement signal input (reception) and output (transmission).
  • the transceiver unit may be a transceiver, a radio frequency chip, and so on.
  • the cell measurement apparatus 700 includes one or more processors 701, and the one or more processors 701 can implement the method executed by the base station or the terminal device in the embodiment shown above.
  • the processor 701 may implement other functions in addition to the method in the above-mentioned embodiment.
  • the processor 701 may execute a computer program, so that the cell measurement apparatus 700 executes the method executed by the base station or the terminal device in the foregoing method embodiment.
  • the computer program can be stored in whole or in part in the processor 701, such as the computer program 703, or in the memory 702 coupled to the processor 701, in whole or in part, such as the computer program 704, or can be shared by the computer programs 703 and 704.
  • the cell measurement apparatus 700 is caused to execute the method executed by the base station or the terminal device in the foregoing method embodiment.
  • the cell measurement apparatus 700 may also include a circuit, which may implement the functions performed by the base station or terminal equipment in the foregoing method embodiment.
  • the cell measurement apparatus 700 may include one or more memories 702, on which a computer program 704 is stored, and the computer program may be run on a processor, so that the cell measurement apparatus 700 executes the foregoing The cell measurement method described in the method embodiment.
  • data may also be stored in the memory.
  • computer programs and/or data may also be stored in the processor.
  • the foregoing one or more memories 702 may store the association or correspondence described in the foregoing embodiment, or related parameters or tables involved in the foregoing embodiment.
  • the processor and the memory may be provided separately, or may be integrated or coupled together.
  • the cell measurement apparatus 700 may further include a transceiver unit 705.
  • the processor 701 may be referred to as a processing unit, and controls a cell measurement device (for example, a base station or a terminal device).
  • the transceiving unit 705 may be called a transceiver, a transceiving circuit, or a transceiver, etc., and is used to implement the transceiving of data or control signaling.
  • the cell measurement device 700 may include a transceiver unit 705.
  • the cell measurement apparatus 700 may further include a transceiver unit 705 and an antenna 706.
  • the processor 701 may be referred to as a processing unit, and controls a cell measurement device (for example, a base station or a terminal device).
  • the transceiving unit 705 may be referred to as a transceiver, a transceiving circuit, or a transceiver, etc., and is used to implement the transceiving function of the device through the antenna 706.
  • the processor in the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • each step of the above method embodiment can be completed by an integrated logic circuit of hardware in a processor or a computer program in the form of software.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (digital signal processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (field programmable gate array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • Programming logic devices discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electrically available Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (RAM), which is used as an external cache.
  • RAM random access memory
  • static random access memory static random access memory
  • dynamic RAM dynamic RAM
  • DRAM dynamic random access memory
  • synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory serial DRAM, SLDRAM
  • direct rambus RAM direct rambus RAM
  • the embodiment of the present application also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a computer, the method described in any method embodiment applied to a base station or a terminal device is implemented.
  • the embodiments of the present application also provide a computer program product, which, when executed by a computer, implements the method described in any of the above-mentioned method embodiments applied to a base station or a terminal device.
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it can be implemented in the form of a computer program product in whole or in part.
  • the computer program product includes one or more computer programs.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer program may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer program may be transmitted from a website, computer, server, or data center through a wired (for example, coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL) or wireless (such as infrared, wireless, microwave, etc.) transmission to another website site, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center integrated with one or more available media.
  • the usable medium can be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (for example, a solid state disk (SSD)) )Wait.
  • a magnetic medium for example, a floppy disk, a hard disk, and a magnetic tape
  • an optical medium for example, a high-density digital video disc (digital video disc, DVD)
  • a semiconductor medium for example, a solid state disk (SSD)
  • An embodiment of the present application also provides a cell measurement device, including a processor and an interface; the processor is configured to execute the method described in any method embodiment that is applied to a base station or a terminal device.
  • the foregoing processing device may be a chip, and the processor may be implemented by hardware or software.
  • the processor When implemented by hardware, the processor may be a logic circuit, an integrated circuit, etc.; when implemented by software, the processor It may be a general-purpose processor, which is implemented by reading software codes stored in the memory.
  • the memory may be integrated in the processor, or may be located outside the processor and exist independently.
  • the embodiment of the present application provides a communication system.
  • the communication system may include the base station and terminal equipment involved in the embodiment shown in FIG. 3 described above.
  • the base station is, for example, the cell measurement device 500 in FIG. 5
  • the terminal equipment is, for example, the cell measurement device 600 in FIG.
  • the embodiments of the present application also provide a computer-readable storage medium that stores a computer program.
  • the computer program When executed by a computer, the computer can implement the method shown in FIG. 3 provided by the foregoing method embodiment. The process related to the base station or terminal equipment in the embodiment.
  • the embodiment of the present application also provides a computer program product, the computer program product is used to store a computer program, when the computer program is executed by a computer, the computer can implement the embodiment provided in the above method embodiment or the embodiment shown in FIG. 5 In the process related to the base station or terminal equipment.
  • processors mentioned in the embodiments of this application may be a CPU, other general-purpose processors, digital signal processors (digital signal processors, DSP), application specific integrated circuits (ASICs), ready-made Field programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the memory mentioned in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electrically available Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (RAM), which is used as an external cache.
  • RAM random access memory
  • static random access memory static random access memory
  • dynamic RAM dynamic RAM
  • DRAM dynamic random access memory
  • synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory serial DRAM, SLDRAM
  • direct rambus RAM direct rambus RAM, DR RAM
  • the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component
  • the memory storage module
  • the size of the sequence numbers of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not correspond to the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed system, device, and method can be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned computer-readable storage medium may be any available medium that can be accessed by a computer.
  • computer-readable media may include random access memory (RAM), read-only memory (ROM), and electrically erasable programmable read-only memory (electrically erasable programmable read-only memory).
  • RAM random access memory
  • ROM read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • CD-ROM compact disc read-only memory
  • USB flash disk universal serial bus flash disk
  • mobile hard disk or other optical disk storage
  • disk storage A medium or other magnetic storage device, or any other medium that can be used to carry or store desired program codes in the form of instructions or data structures and that can be accessed by a computer.

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

Abstract

La présente demande, qui est applicable au domaine technique des communications sans fil, concerne un procédé et un dispositif de mesure de cellules à utiliser pour permettre à un dispositif de terminal d'améliorer son efficacité d'accès à une cellule et son taux de réussite d'accès à une cellule. Une station de base envoie des premières informations de configuration de mesure à un dispositif de terminal, les premières informations de configuration de mesure comprenant des informations de configuration d'intervalle de mesure d'une première cellule cible et des informations de configuration d'intervalle de mesure d'une seconde cellule cible, la première cellule cible et la seconde cellule cible étant des cellules devant être mesurées par le dispositif de terminal, et un point de fréquence de cellule de la première cellule cible est différent de celui de la seconde cellule cible.
PCT/CN2021/086015 2020-06-12 2021-04-08 Procédé et dispositif de mesure de cellules Ceased WO2021249001A1 (fr)

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