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WO2020082368A1 - Procédé de mesure de cellule, et dispositif et support de stockage - Google Patents

Procédé de mesure de cellule, et dispositif et support de stockage Download PDF

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Publication number
WO2020082368A1
WO2020082368A1 PCT/CN2018/112211 CN2018112211W WO2020082368A1 WO 2020082368 A1 WO2020082368 A1 WO 2020082368A1 CN 2018112211 W CN2018112211 W CN 2018112211W WO 2020082368 A1 WO2020082368 A1 WO 2020082368A1
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WO
WIPO (PCT)
Prior art keywords
cell
measurement
measured
frequency point
time window
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/CN2018/112211
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English (en)
Chinese (zh)
Inventor
文会
东宁
李艳良
耿晓馥
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201880098497.1A priority Critical patent/CN112840692B/zh
Priority to PCT/CN2018/112211 priority patent/WO2020082368A1/fr
Publication of WO2020082368A1 publication Critical patent/WO2020082368A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • 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
    • 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 communication technology, and in particular, to a cell measurement method, device, and storage medium.
  • the related processes related to the related processes are not interrupted due to the movement of the UE.
  • the current state of the UE it can be roughly divided into two parts: the idle state (RRC_IDLE state) mobility management and the connected state (RRC_CONNECTED state) mobility management.
  • RRC_IDLE state mobility management
  • RRC_CONNECTED state the connected state
  • mobility management mainly refers to the process of cell selection / reselection (cell selection / reselection)
  • cell handover Whether it is cell selection / reselection or handover, it is based on the measurement results.
  • the signal used for measurement always exists.
  • 5G mode the signal used for measurement does not always exist, but exists periodically.
  • the configuration of measurement signals in 5G mode is called measurement timing configuration (SSB measurement timing configuration, SMTC).
  • SSB measurement timing configuration SMTC
  • SMTC measurement timing configuration
  • the measurement method for 3G and 4G cells is directly applied to the measurement process of cells with different frequencies or different systems including 5G cells, it is easy to cause problems such as long measurement time and high power consumption of the UE.
  • the present application provides a cell measurement method, device, and storage medium for providing a cell measurement solution, and a technical solution for measuring cells of different frequencies or different systems including 5G cells to reduce measurement time, Reduce terminal power consumption.
  • a first aspect of the present application provides a cell measurement method.
  • the method is applied to the measurement of cells of different systems or different frequencies.
  • the cell includes a first cell that requires measurement timing configuration and a second cell that does not have measurement timing configuration.
  • the first cell and the second cell adopt different wireless access technologies, that is, networks of different standards, or the first cell and the second cell are different frequency points in the same access technology.
  • the methods described include:
  • the frequency point of the first cell is measured within the measurement time window of the frequency point of the first cell, and the measurement of the frequency point of the first cell is measured Measuring the frequency point to be measured of the second cell at a time outside the time window;
  • the UE preferentially measures the cells in the time window according to the measurement timing configuration of the acquired cells that need to be measured, so that the cells with the measurement timing configuration can be quickly reported, and the cells that need to be measured in the time measurement outside the time window It does not waste measurement time, improve the measurement efficiency of the cell, and improve the performance of cell reselection and handover.
  • the measurement timing configuration corresponding to the first cell includes a measurement period, offset position, and duration.
  • the method further includes:
  • the UE can obtain the measurement timing configuration for the first cell configured by the network side through the system information on the network side, or it can be written in the protocol in advance. It can be read when needed, or it can be the measurement timing configuration selected by the UE itself for optimization.
  • the first cell is measured within the measurement time window of the frequency point to be measured in the first cell.
  • Measuring the frequency to be measured of a cell, and measuring the frequency to be measured of the second cell at a time other than the measurement time window of the frequency to be measured of the first cell includes:
  • the measurement groove is used to measure the frequency point to be measured, otherwise the measurement groove It is used to measure the frequency point to be measured of the second cell.
  • this solution is that, during the measurement period, for each measurement groove, if the measurement time window of the frequency point to be measured of the first cell falls within the measurement groove, the measurement groove is used to measure The frequency point to be measured in the first cell, otherwise the measurement trench is used to measure the frequency point to be measured in the second cell, and the next measurement trench is also measured in this manner until the frequency to be measured in the first cell is measured Complete the measurement at the point, and complete the measurement at the frequency point to be measured in the second cell.
  • the connected state scenario includes a scenario without a CDRX configuration or a scenario with a CDRX activation period.
  • the first cell when the UE is in an inactive period scenario, then in the measurement period, the first cell is to be treated in the measurement time window of the frequency to be measured of the first cell The frequency measurement point is measured, and the frequency measurement point of the second cell is measured at a time other than the measurement time window of the frequency measurement point of the first cell, including:
  • the measurement time window of the frequency point to be measured of the first cell is selected, and the measurement time window is reserved for measuring the frequency point of the first cell to be measured, and then divided The time of the inactive period outside the measurement time window of the measurement frequency point of the first cell is measured on the frequency point to be measured of the second cell.
  • the measurement time window of the frequency point to be measured of the first cell with the closest time is selected to reserve the measurement time window for measuring the frequency point of the first cell to be measured.
  • the time in the inactive period before the time window measures the frequency point to be measured in the second cell, and the measurement time window for the frequency point to be measured in the next first cell is also reserved for measuring the first cell Frequency to be measured, the frequency to be measured of the second cell on the time side of the inactive period before the time window is measured, until the measurement of the frequency to be measured of the first cell and the waiting for the second cell are completed Frequency measurement.
  • the inactive period scenario includes a CDRX inactive period scenario or an idle state inactive period scenario.
  • the method further includes:
  • the frequency point to be measured is marked as the measured frequency point.
  • the solution shows that during the measurement of the first cell and the second cell, the UE reports the measurement results of the corresponding frequency point to the network side after completing the measurement of a frequency point to be measured in each cell, that is, to the higher layer.
  • the cell where the UE is located can be divided into the measurement report of the serving cell and the neighboring cell, that is, the measurement result can also be reported to the higher layer after completing the measurement of the cell, and this solution is not limited.
  • this application provides a user equipment, including:
  • the processing module is used to determine the measurement time window of the frequency point to be measured in the measurement period according to the measurement timing configuration corresponding to the first cell obtained in advance;
  • the processing module is further used for measuring the frequency point to be measured of the first cell within the measurement time window of the frequency point to be measured of the first cell during the measurement period, and dividing Measuring the frequency point to be measured of the second cell at a time outside the measurement time window of the frequency point to be measured of a cell;
  • a sending module configured to report the measurement result of the first cell and the measurement result of the second cell to a network device
  • the first cell and the second cell use different wireless access technologies, or the first cell and the second cell are different frequency points in the same access technology; the first cell For a cell requiring measurement timing configuration, the second cell is a cell without measurement timing configuration.
  • the measurement timing configuration corresponding to the first cell includes a measurement period, offset position, and duration.
  • the user equipment further includes:
  • a receiving module configured to receive system information sent by the network device, where the system information carries the measurement timing configuration corresponding to the first cell;
  • the processing module is also used to obtain the measurement timing configuration corresponding to the first cell specified in the protocol;
  • the processing module is also used to select the measurement timing configuration according to a preset rule.
  • the processing module is specifically used to:
  • the measurement groove is used to measure the frequency point to be measured, otherwise the measurement groove It is used to measure the frequency point to be measured of the second cell.
  • the connected state scenario includes a scenario in which discontinuous reception of CDRX or a scenario of CDRX activation period is not configured.
  • the processing module is specifically used to:
  • a measurement time window of the frequency point to be measured of the first cell is selected, and the measurement time window is reserved for measuring the frequency point of the first cell to be measured, and the The time of the inactive period outside the measurement time window of the measurement frequency point of the first cell is measured on the frequency point to be measured of the second cell.
  • the inactive period scenario includes a CDRX inactive period scenario or an idle state inactive period scenario.
  • the processing module marks the frequency point to be measured as The measured frequency point
  • the processing module marks the frequency point to be measured as the measured frequency point after completing the measurement of the frequency point to be measured of the second cell and reporting the measurement result to the network device through the sending module .
  • the present application provides a user equipment, including: a memory, a processor, a transmitter, and a computer program, the computer program is stored in the memory, and the processor runs the computer program to perform any of the first aspect.
  • a cell measurement method in an implementation manner.
  • the present application provides a storage medium, including: a readable storage medium and a computer program, where the computer program is used to implement a cell measurement method according to any implementation manner of the first aspect.
  • the present application provides a program product, the program product includes a computer program, the computer program is stored in a readable storage medium, at least one processor of the user equipment can read the computer program from the readable storage medium, at least A processor executing the computer program causes the user equipment to execute the following method:
  • the frequency point to be measured of the first cell is measured within the measurement time window of the frequency point to be measured of the first cell, and the frequency point to be measured of the first cell is divided Measuring the frequency point to be measured of the second cell at a time outside the measurement time window of
  • the first cell and the second cell use different wireless access technologies, or the first cell and the second cell are different frequency points in the same access technology; the first cell For a cell requiring measurement timing configuration, the second cell is a cell without measurement timing configuration.
  • the present application provides a chip that can be applied to user equipment.
  • the chip includes: at least one communication interface, at least one processor, and at least one memory. Interconnection, the processor calls the computer program stored in the memory to execute:
  • the frequency point to be measured of the first cell is measured within the measurement time window of the frequency point to be measured of the first cell, and the frequency point to be measured of the first cell is divided Measuring the frequency point to be measured of the second cell at a time outside the measurement time window of
  • the first cell and the second cell use different wireless access technologies, or the first cell and the second cell are different frequency points in the same access technology; the first cell For a cell requiring measurement timing configuration, the second cell is a cell without measurement timing configuration.
  • the above-mentioned chip When the above-mentioned chip is applied to user equipment, it can also implement the cell measurement method provided in any specific implementation manner of the first aspect.
  • the UE when measuring a cell with different systems or different frequencies, the UE first obtains the measurement timing configuration of the first cell that needs to be measured regularly, and determines the frequency point to be measured within the measurement period Measurement time window, and then in the measurement period, the measurement is performed in the measurement time window of the frequency point to be measured in the first cell, and outside the measurement time window, the frequency to be measured of other second cells that do not require measurement timing Point measurement, report the measurement results obtained by the measurement, without wasting measurement time, improve the measurement efficiency of the cell, and improve the performance of cell reselection and handover.
  • FIG. 1 is a schematic diagram of a specific structure of user equipment provided by this application.
  • FIG. 2 is a schematic diagram of a specific application scenario of a cell measurement method provided by this application.
  • Embodiment 3 is a flowchart of Embodiment 1 of a cell measurement method provided by this application;
  • FIG. 4 is a schematic diagram of frequency point measurement of an example of a cell measurement method provided by this application.
  • FIG. 5 is a schematic diagram of frequency point measurement of another example of a cell measurement method provided by this application.
  • Embodiment 1 of user equipment provided by this application.
  • Embodiment 7 is a schematic structural diagram of Embodiment 2 of user equipment provided by this application.
  • FIG. 8 is another schematic structural diagram of user equipment provided by the present application.
  • each frequency point is within a fixed time period
  • the present application provides a cell measurement method, which can measure cells of different frequencies or different systems including 5G cells to reduce the measurement time and reduce the terminal power consumption. The following describes the solution through specific embodiments .
  • the network element involved in the cell measurement method provided by this body includes network equipment and a user's terminal, that is, user equipment.
  • the network device refers to a device with a radio resource management function, capable of communicating with user equipment, or acting as a central controller to assist direct communication between user equipment, such as a base station.
  • the network equipment in this solution may be a Global Mobile System (Global System of Mobile) (GSM) or Code Division Multiple Access (CDMA) base station (Base Transceiver Station, BTS), It can also be a base station (NodeB, NB) in Wideband Code Division Multiple Access (WCDMA), an evolutionary base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station Or an access point, or a base station in a 5G network, or a base station in another network system in the future, etc., which is not limited herein.
  • GSM Global System of Mobile
  • CDMA Code Division Multiple Access
  • BTS Base Transceiver Station
  • the user equipment may be a wireless terminal or a wired terminal.
  • the wireless terminal may be a device that provides voice and / or other service data connectivity to the user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
  • a wireless terminal can communicate with one or more core networks via a radio access network (Radio Access Network, RAN for short).
  • the wireless terminal can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a mobile terminal
  • the computer for example, may be a portable, pocket-sized, hand-held, computer built-in or vehicle-mounted mobile device that exchanges language and / or data with the wireless access network.
  • a wireless terminal can also be called a system, a subscriber unit (Subscriber Unit), a subscriber station (Subscriber Station), a mobile station (Mobile Station), a mobile station (Mobile), a remote station (Remote Station), a remote terminal (Remote Terminal), an Access terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), user equipment (User Device or User Equipment), not limited here.
  • FIG. 1 is a schematic diagram of a specific structure of user equipment provided by the present application. As shown in FIG. 1, it is easy to understand and convenient to illustrate.
  • the user equipment uses a mobile phone as an example.
  • the user equipment includes a processor, a memory, and a radio frequency. Circuits, antennas, and input and output devices.
  • the processor is mainly used for processing communication protocols and communication data, and controlling user equipment, executing software programs, and processing data of software programs.
  • the memory is mainly used to store software programs and data.
  • the radio frequency circuit is mainly used for the conversion of the baseband signal and the radio frequency signal and the processing of the radio frequency signal.
  • the antenna is mainly used to send and receive radio frequency signals in the form of electromagnetic waves.
  • Input and output devices such as touch screens, display screens, and keyboards, are mainly used to receive data input by users and output data to users. It should be noted that some types of equipment may not have input and output devices.
  • the processor When data needs to be sent, the processor performs baseband processing on the data to be sent, and then outputs the baseband signal to the radio frequency circuit.
  • the radio frequency circuit processes the baseband signal after radio frequency processing and sends the radio frequency signal to the outside in the form of electromagnetic waves through the antenna.
  • the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor.
  • the processor converts the baseband signal into data and processes the data.
  • FIG. 1 In actual terminal equipment products, there may be one or more processors and one or more memories.
  • the memory may also be referred to as a storage medium or storage device.
  • the memory may be set independently of the processor, or may be integrated with the processor, which is not limited in the embodiments of the present application.
  • an antenna and a radio frequency circuit with a transceiver function can be regarded as a transceiver unit of a user equipment, and a processor with a processing function can be regarded as a processing unit of a terminal device.
  • the user equipment includes a transceiver unit A and a processing unit B.
  • the transceiver unit may also be called a transceiver, a transceiver, a transceiver device, or the like.
  • the processing unit may also be called a processor, a processing board, a processing module, a processing device, and the like.
  • the device used to implement the receiving function in the transceiver unit A may be regarded as a receiving unit, and the device used to implement the sending function in the transceiver unit A may be regarded as a sending unit, that is, the transceiver unit A includes a receiving unit and a sending unit.
  • the transceiver unit may sometimes be called a transceiver, transceiver, or transceiver circuit.
  • the receiving unit may sometimes be called a receiver, a receiver, or a receiving circuit.
  • the sending unit may sometimes be called a transmitter, a transmitter, or a transmitting circuit.
  • FIG. 2 is a schematic diagram of a specific application scenario of a cell measurement method provided by this application. As shown in FIG. 1, this scenario involves a UE and a base station, that is, the network device is a base station. The following uses this scenario as an example to provide the application The cell measurement method will be described.
  • the base station knows whether the UE supports inter-frequency and inter-system measurement by querying the capabilities of the UE. For UEs that support inter-frequency and inter-system measurement, the base station will send a system message (in the idle state) or a measurement request message (for example: reconfiguration message) in the connected state, and the A1 and A2 gates are sent in this message. Limit value, when the signal condition meets the A2 event, the UE starts inter-frequency and inter-system measurement and reports according to the requirements in the message.
  • the base station determines that the signal condition meets the inter-frequency and inter-system handover or redirection threshold, and the base station sends a handover instruction message or Redirect the message and start the relevant process; when the signal condition meets the A1 event, the UE stops inter-frequency and inter-system measurement.
  • the base station In the connected state, when inter-frequency or inter-system measurement is triggered, the base station will deliver the relevant configuration for measuring GAP.
  • Measuring GAP is the time period from which the UE leaves the current frequency point and measures at other frequency points.
  • the measurement GAP can be divided into Mode 1 and Mode 2.
  • GAP in Mode 1 is 6ms and the period is 40ms;
  • GAP in Mode 2 is 6ms and the period is 80ms. Due to the inter-frequency measurement, the UE needs to leave the current frequency point to measure at other frequency points, so the UE's business cannot be performed normally during the GAP period, resulting in a decrease in the UE's mobile data rate.
  • the serving cell refers to the cell where the UE currently camps, or the cell that is providing data transmission for the UE.
  • the neighboring cell refers to a cell serving the vicinity, and may also become a neighboring cell, which may or may not be the same base station. As a spare cell.
  • Co-frequency cells are cells with the same frequency as the serving cell, and also have co-frequency neighboring cells.
  • Inter-frequency cells are cells with different frequencies from the serving cell.
  • a cell in a different system is a cell with a different system (or mode) from the serving cell, that is, a cell using different wireless access technologies.
  • the standard here refers to 2G, 3G, 4G and 5G.
  • 2G and 4G cells under mobile operators.
  • this solution proposes a method for the terminal to preferentially measure cells in the time window according to the measurement timing configuration.
  • the terminal may be in 2G, 3G, 4G, and 5G modes, and performs measurement on a cell with measurement timing configuration like the 5G mode. It includes the following scenarios:
  • the terminal In the connection state of the terminal device, the terminal is configured for continuous reception scenarios (that is, non-DRX scenarios), if the measurement time window (that is, measurement timing) configured at the measurement timing falls in the Gap, the Gap will first schedule the measurement Measurement frequency configuration frequency point; otherwise, scheduling different frequency / different system frequency point without measurement timing configuration.
  • the terminal In the connection state of the terminal device, the terminal is configured for the discontinuous reception (DRX) activation period scenario, the processing is the same as above.
  • DRX discontinuous reception
  • the terminal In the connection state of the terminal device, the terminal is configured as DRX in the inactive period scenario, the measurement time window (measurement timing) for measurement timing configuration is preferentially reserved in the inactive period for measurement of the measurement configuration cell, the remaining The inactive period below is used to schedule different frequency / different systems without measurement timing configuration.
  • the terminal In the idle state (ie, idle state) of the terminal device, the terminal is configured in the inactive period scenario, as in 3).
  • the technical solution of the present application is not only applicable to the cell measurement under the 2G, 3G, and 4G systems, but also to the cell scenario under the 5G system; it is also used to measure the inter-frequency cell under the 5G system and the inter-system cell under the 2G, 3G, and 4G systems. Measurement scenarios; also applicable to measurement scenarios of timed configuration cells and non-timed configuration cells under all standards (2G, 3G, 4G, 5G); also applicable to future new timed configuration cells and current non-customized configurations The measurement of the cell does not limit this solution.
  • FIG. 3 is a flowchart of Embodiment 1 of a cell measurement method provided by this application.
  • this embodiment takes two cells as an example, that is, a first cell and a second cell, the first cell needs to be configured for measurement timing; the second cell is a cell that needs to be configured for measurement timing, namely No measurement timing configuration cell.
  • the first cell and the second cell are inter-system cells or inter-frequency cells.
  • the inter-system refers to the first cell and the second cell using different wireless access technologies, that is, networks of different standards; inter-frequency refers to the first cell
  • the cell and the second cell are different frequency points in the same access technology.
  • the cell measurement method provided in this embodiment specifically includes the following steps:
  • S101 Determine the measurement time window of the frequency point to be measured in the measurement period according to the measurement timing configuration corresponding to the first cell obtained in advance.
  • SSB measurement timing configuration SSB measurement timing configuration
  • SMTC includes the period, length, and offset of the measurement time window of SMTC.
  • the UE only needs to perform SSB measurement within this time window.
  • the SSB cycle has a variety of configurations from 5ms to 160ms.
  • the network side may be configured with up to two SMTCs. The two SMTCs use the same length and time offset, and the period may be different.
  • the network side configures only one SMTC for each frequency point.
  • the 5G cell When measuring cells in 5G and non-5G modes (2G, 3G and 4G), due to the periodicity of the 5G cell signal, the 5G cell needs to be measured within a specific measurement time window; if the 5G cell is measured outside the time window, then The 5G cell cannot be measured, thereby wasting measurement time.
  • the UE when performing inter-frequency or inter-system cell measurement in this solution, the UE first needs to obtain the measurement timing configuration of the first cell that requires measurement timing.
  • the measurement timing configuration includes the measurement period, offset position, and duration. These parameters are the period of the measurement time window, the offset and the length of the measurement time window.
  • the manner in which the UE obtains the measurement timing configuration of the first cell includes at least the following types:
  • the UE receives system information sent by the network device, where the system information carries the measurement timing configuration corresponding to the first cell.
  • the meaning of this solution is that the network side configures the measurement timing configuration of the first cell through system information or other high-level signaling.
  • the message carrying the measurement timing configuration may be a system message or a reconfiguration message. This solution does not limit .
  • the second way is to obtain the measurement timing configuration corresponding to the first cell specified in the protocol
  • the meaning of this solution is to specify the measurement timing configuration corresponding to the first cell in the protocol, that is, write it in the protocol. During use, the UE only needs to read the measurement timing configuration from the protocol.
  • the measurement timing configuration is selected according to a preset rule.
  • the UE selects a suitable measurement period, offset position, and duration for the optimization solution to obtain the measurement timing configuration, and then performs cell measurement according to the measurement timing configuration.
  • the UE After obtaining the measurement timing configuration of the first cell, the UE needs to obtain a measurement time window for measuring the frequency point to be measured of the first cell, which is also referred to as measurement timing. That is, the UE needs to calculate the measurement time window (that is, measurement timing) of the frequency point to be measured of the first cell in the current measurement period according to the measurement period and offset position in the measurement timing configuration.
  • S102 During the measurement period, measure the frequency point to be measured of the first cell within the measurement time window of the frequency point to be measured of the first cell, and in addition to the measurement time window of the frequency to be measured of the first cell To measure the frequency point to be measured in the second cell.
  • S103 Report the measurement result of the first cell and the measurement result of the second cell to the network device.
  • GAP measurement gap
  • Measuring GAP is the time period from which the UE leaves the current frequency point and measures at other frequency points.
  • the measurement GAP is divided into Mode 1 and Mode 2.
  • GAP in Mode 1 is 6ms and the period is 40ms;
  • GAP in Mode 2 is 6ms and the period is 80ms. Due to the inter-frequency measurement, the UE needs to leave the current frequency point to measure at other frequency points, so the UE's business cannot be performed normally during the GAP period, resulting in a decrease in the UE's mobile data rate.
  • the UE obtains the measurement time window for the measurement frequency point of the first cell. After entering the measurement period, if there is a measurement time window of a certain frequency point to be measured in the first cell falls within the GAP, Then, the GAP is used to measure the frequency point to be measured on the first cell, and after completing the measurement on the frequency point to be measured, the UE may report the measurement result to the network device.
  • the measurement can be performed on the inter-frequency / different system of the cell without measurement timing.
  • the second cell can be measured.
  • the frequency point to be measured is measured, and then the corresponding measurement result is reported to the network device.
  • the UE may report the measurement result to the network device after measuring one frequency point to be measured each time, or may wait for the first cell After all of the frequency points to be measured are measured, the total measurement result of the first cell is reported to the network device, which is not limited in this solution.
  • the same is true for the frequency measurement of the second cell.
  • the UE can report the measurement result to the network device after measuring each frequency point to be measured each time, or it can wait for all the frequency points to be measured in the second cell to complete the measurement. After that, the total measurement result of the second cell is reported to the network device.
  • the UE may report the measurement on the serving cell and the neighboring cell, or shorten the measurement time according to the above measurement method, and report the measurement results on different cells after completing the measurement on the serving cell and the neighboring cell.
  • the UE may mark the frequency point to be measured after completing the measurement of the frequency point to be measured of the first cell and reporting the measurement result to the network device The measured frequency.
  • the frequency point to be measured is marked as the measured frequency point.
  • the UE may mark the measured frequency point as the measured frequency point.
  • the UE preferentially measures the cells in the time window according to the acquired measurement timing configuration of the cell requiring measurement timing, so that the cell with the measurement timing configuration can be quickly reported, and the time measurement needs outside the time window Measuring timed cells does not waste measurement time, improves the measurement efficiency of cells, and improves the performance of cell reselection and handover.
  • the UE in different scenarios, and the specific measurement methods are different.
  • the state of the UE includes the connected state and the idle state, and the UE also includes the configuration when connected.
  • the scenario in which the UE is configured with the DRX feature includes the activation period and the non-activation period; the UE in the idle state includes the activation period and the non-activation period.
  • step S102 In different scenarios where the UE is in the connected state and the idle state, the specific implementation of step S102 is slightly different, and the following describes it through two specific examples.
  • step S102 is specifically implemented as:
  • the measurement groove is used to measure the frequency point to be measured, otherwise the measurement groove It is used to measure the frequency point to be measured of the second cell.
  • this solution is that during the measurement period of the UE, if the measurement time window of the frequency point to be measured of the first cell falls within the measurement slot (GAP), the measurement slot is used to measure the frequency point to be measured of the first cell, otherwise The measurement trench is used to measure the frequency point to be measured in the second cell. The frequency points to be measured in the first cell and the frequency points to be measured in the second cell are measured in this manner to obtain respective measurement results and reported.
  • GAP measurement slot
  • the Gap first schedules the measurement of the frequency point to be measured at the measurement timing configuration; otherwise, it schedules the measurement of the different frequency / different system without the measurement timing configuration, specifically Proceed as follows:
  • the UE calculates the frequency point to be measured of the first cell in the current measurement period according to the measurement period and offset position in the measurement timing configuration of the first cell Measurement time window (measurement timing), if the measurement timing of the frequency point to be measured of the first cell falls within the Gap, the Gap is used to measure the frequency point to be measured.
  • Measurement timing Measurement timing
  • the measurement timing of the frequency point to be measured of the first cell does not fall within the Gap
  • the measurement of the cell of the different frequency / different system without measurement timing configuration is scheduled.
  • the second cell can be scheduled Frequency measurement.
  • the measurement result is reported to the network device, and the frequency point can be set as the measured frequency point.
  • FIG. 4 is a schematic diagram of frequency measurement of an example of a cell measurement method provided by the present application.
  • the GAP period is 40 ms.
  • the boxes in the sequence indicate different GAP cycles that can measure the frequency points to be measured in different cells.
  • the GAP duration is 6 ms, and the cell frequency can be measured within the GAP cycle.
  • the timing falls within GAP.
  • the figure shows measurement schematics of three different cells. Among them, in the measurement timing configuration of cell 1, the measurement period is 160ms, which includes four GAP periods. Cell 1 needs 3 measurements to complete the measurement.
  • 1 is used to indicate that cell 1 is within the GAP period. Perform measurement; in the measurement timing configuration of cell 2, the measurement period is 80ms, which includes two GAP periods. Cell 2 needs 6 measurements to complete the measurement.
  • 2 is used to indicate that the cell is within the GAP period. 2 is measured; cell 3 is a cell without measurement timing configuration, which needs to be measured after 12 measurements.
  • 3 is used to indicate that cell 3 is measured in the GAP period.
  • the first cell involved in the foregoing solution may be cell 1 or cell 2 in this example, and the second cell may be cell 3.
  • the UE after acquiring the measurement timing configuration of cell 1 and cell 2, at a certain scheduling point, the UE determines the measurement time window of cell 1 and the Measurement time window.
  • the first GAP period ie # 0 in the figure
  • cell 1 Neither the cell 2 nor the measurement time window falls within the GAP in the GAP period.
  • the GAP is used to measure the frequency point to be measured in the cell 3, and so on. In the next GAP period, this method is also used to determine which Cell measurement.
  • the frequency points to be measured of cell 1 and cell 2 with timing configuration are measured preferentially.
  • the UE is in the connected state and configured with the DRX inactive period scenario or the idle state inactive period scenario (which may be collectively referred to as the inactive period scenario).
  • the above step S102 is specifically implemented as:
  • the measurement time window of the frequency point to be measured of the first cell is selected, and the measurement time window is reserved for measuring the frequency point of the first cell to be measured, and then divided The time of the inactive period outside the measurement time window of the measurement frequency point of the first cell is measured on the frequency point to be measured of the second cell.
  • the UE selects the measurement time window of the frequency point to be measured of the first cell closest to the current time at a certain scheduling point during the measurement period, and the period of the measurement time window It is reserved for measuring the frequency point to be measured in the first cell, and the frequency point to be measured in the second cell is measured during the inactive period before the measurement time window. Then report the respective measurement results obtained by the measurement.
  • the meaning of this solution means that after determining the measurement time window of the frequency point to be measured in the first cell, the UE selects the measurement time window closest to the current time according to the measurement time window, and reserves the The frequency point to be measured is measured, and the frequency point to be measured in the second cell is measured at a time before the measurement time window. After the measurement of the frequency point to be measured in the measurement time window is completed, the next pair is continuously reserved Measurement time window for measuring the frequency point to be measured in the first cell, measuring the frequency point to be measured in the second cell at a time before the measurement time window, and repeating this step until the measurement of the first cell and the second cell is completed until.
  • the UE preferentially reserves a measurement measurement time window (measurement timing) for the measurement timing configuration (that is, the frequency point to be measured in the first cell) It is used to measure the measurement of the cell with timing configuration, and the remaining inactive period is used to schedule the measurement of the inter-frequency / different system cell without measurement timing configuration.
  • the UE calculates the frequency to be measured within the current measurement period according to the measurement period and offset position in the measurement timing configuration Measurement time window (measurement timing).
  • FIG. 5 is a schematic diagram of frequency point measurement of another example of the cell measurement method provided by the present application. As shown in FIG. 5, a scheduling example in which the UE is in an idle DRX scenario and the DRX cycle is 640 ms.
  • P represents the timing of paging, which is used to receive paging, and the subsequent inactive period time is used for measurement.
  • the first inter-frequency / inter-system frequency is the frequency of a non-time-configured cell (that is, the aforementioned second cell)
  • the measurement time needs 90 ms.
  • the frequency point of the second inter-frequency / inter-system cell (that is, the aforementioned first cell) is the frequency point for timing configuration.
  • the measurement period indicated in the timing configuration is 80 ms, and the offset is 20 ms. It takes 3 measurements to complete the measurement.
  • the cell is indicated by 2 in the box.
  • the UE After releasing the paging, the UE starts measurement, and preferentially reserves the measurement time window (20 to 30, 100 to 110, 180 to 190) configured at the measurement timing (that is, the position indicated by 2 on the time axis in the figure), It is used to measure the cell with timing configuration. The remaining time is used for the measurement of the first frequency point.
  • the power consumption therefore also reduces the wake-up current by 60ms, and the reporting time is also advanced by 60ms.
  • each frequency point is assigned a fixed measurement time period. If there are regularly configured cells (such as 5G cells) within this time period, it may be at the measurement opportunity (such as GAP), because there is no base station Signal, resulting in no cell measurement, wasting measurement time.
  • regularly configured cells such as 5G cells
  • GAP measurement opportunity
  • the UE configures the cells within the measurement time window according to the measurement timing, so as to quickly report the cells with the measurement timing configuration, speed up the measurement, and not waste the measurement time, thereby improving the performance of reselection and handover .
  • the measurement time is effectively reduced, thereby reducing the wake-up time and radio frequency working time of the terminal and the terminal power consumption.
  • Embodiment 1 of user equipment provided by this application; as shown in FIG. 6, the user equipment 10 can measure cells of different systems or different frequencies, and the cells include a first cell that requires measurement timing configuration. And a second cell configured without measurement timing, the first cell and the second cell adopt different radio access technologies, or the first cell and the second cell are different frequencies in the same access technology Point, the user equipment 10 includes:
  • the processing module 11 is configured to determine the measurement time window of the frequency point to be measured in the measurement period according to the measurement timing configuration corresponding to the first cell obtained in advance;
  • the processing module 11 is further configured to measure the frequency point to be measured of the first cell within the measurement time window of the frequency point to be measured of the first cell during the measurement period and divide Measuring the frequency point to be measured of the second cell at a time outside the measurement time window of the frequency point to be measured of the first cell;
  • the sending module 12 is configured to report the measurement result of the first cell and the measurement result of the second cell to the network device.
  • the user equipment provided in this embodiment is used to implement the technical solution of any of the foregoing method embodiments, and its implementation principles and technical effects are similar.
  • the first cell that needs to be measured regularly is acquired Measurement timing configuration, determine the measurement time window of the frequency point to be measured within the measurement period, and then perform the measurement within the measurement time window of the frequency point to be measured of the first cell during the measurement period, outside the measurement time window Measure the frequency points to be measured of other second cells that do not require measurement timing, and report the measurement results obtained by the measurement without wasting measurement time, improve the measurement efficiency of the cell, and improve the performance of cell reselection and handover.
  • the measurement timing configuration corresponding to the first cell includes a measurement period, offset position, and duration.
  • FIG. 7 is a schematic structural diagram of a second embodiment of user equipment provided by this application; as shown in FIG. 7, on the basis of the foregoing embodiment, the user equipment 10 further includes:
  • the receiving module 13 is configured to receive system information sent by the network device, where the system information carries the measurement timing configuration corresponding to the first cell;
  • the processing module 11 is further configured to obtain the measurement timing configuration corresponding to the first cell specified in the protocol;
  • the processing module 11 is also used to select the measurement timing configuration according to a preset rule.
  • the processing module 11 is specifically configured to:
  • the measurement groove is used to measure the frequency point to be measured, otherwise the measurement groove It is used to measure the frequency point to be measured of the second cell.
  • the connected state scenario includes a scenario without CDRX configuration or a scenario with CDRX activation period.
  • the processing module 11 is specifically configured to:
  • the measurement time window of the frequency point to be measured of the first cell is selected, and the measurement time window is reserved for measuring the frequency point of the first cell to be measured, and then divided The time of the inactive period outside the measurement time window of the measurement frequency point of the first cell is measured on the frequency point to be measured of the second cell.
  • the inactive period scenario includes a CDRX inactive period scenario or an idle state inactive period scenario.
  • the processing module 11 marks the frequency point to be measured after measuring the frequency point to be measured of the first cell and reporting the measurement result to the network device through the sending module Is the measured frequency point;
  • the processing module 11 marks the frequency point to be measured as measured after completing measurement of the frequency point to be measured of the second cell and reporting the measurement result to the network device through the sending module 12 Community.
  • FIG. 8 is another schematic structural diagram of user equipment provided by the present application. As shown in FIG. 8, the user equipment includes:
  • a memory, a processor, a transmitter, and a computer program the computer program is stored in the memory, and the processor runs the computer program to perform the cell measurement method provided in any of the foregoing embodiments.
  • the memory may be integrated inside the processor.
  • the number of processors is at least one, which is used to execute the execution instructions stored in the memory, that is, the computer program.
  • the present application also provides a storage medium, including: a readable storage medium and a computer program, where the computer program is used to implement a cell measurement method provided by any of the foregoing method embodiments.
  • the application also provides a program product, the program product includes a computer program, the computer program is stored in a readable storage medium, at least one processor of the user equipment can read the computer program from the readable storage medium, at least one processor Execution of the computer program causes the user equipment to implement the cell measurement method provided by any of the foregoing method embodiments.
  • the present application provides a chip that can be applied to user equipment.
  • the chip includes: at least one communication interface, at least one processor, the processor is coupled to a memory via the communication interface, and the processor calls
  • the computer program stored in the memory is used to execute the cell measurement method provided by any of the foregoing method embodiments.
  • the memory may be provided outside the chip, or may be integrated in the chip.
  • the communication interface may be various interfaces that enable the processor to access the memory, such as an input interface, a processing device, and an output interface, and may also be a universal flash (Universal Flash Storage (UFS) interface, a fast peripheral component interconnect (peripheral component interconnect connect express) PCIe) interface etc.
  • UFS Universal Flash Storage
  • PCIe fast peripheral component interconnect
  • the processor may be a central processing unit (English: Central Processing Unit, abbreviated as: CPU), or other general-purpose processors, digital signal processors (English: Digital Signal Processor, abbreviated as : DSP), Application Specific Integrated Circuit (English: Application Specific Integrated Circuit, ASIC for short), etc.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in this application may be directly implemented and completed by a hardware processor, or may be implemented and completed by a combination of hardware and software modules in the processor.
  • the aforementioned program can be stored in a readable memory.
  • the steps including the above method embodiments are executed; and the aforementioned memory (storage medium) includes: read-only memory (English: read-only memory, abbreviation: ROM), RAM, flash memory, hard disk, Solid state hard disk, magnetic tape (English: magnetic), floppy disk (English: floppy disk), optical disk (English: optical) and any combination thereof.

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

Abstract

L'invention concerne un procédé de mesure, et un dispositif et un support de stockage. Le procédé comprend les étapes suivantes : lorsqu'un UE mesure une cellule entre systèmes ou entre fréquences, acquérir d'abord une configuration de temporisation de mesure d'une première cellule, qui nécessite une mesure de temporisation, et déterminer une fenêtre temporelle de mesure d'un point de fréquence à mesurer dans une période de mesure ; puis dans la période de mesure, effectuer une mesure dans la fenêtre temporelle de mesure du point de fréquence à mesurer de la première cellule, et mesurer, à un instant hors de la fenêtre temporelle de mesure, d'autres points de fréquence à mesurer d'une deuxième cellule, qui ne nécessite pas de mesure de temporisation ; et rendre compte des résultats de mesure obtenus à partir de la mesure. Les occasions de mesure ne sont pas gaspillées, l'efficacité de mesure de cellule est améliorée, et la resélection de cellule et la performance de transfert intercellulaire sont améliorées.
PCT/CN2018/112211 2018-10-26 2018-10-26 Procédé de mesure de cellule, et dispositif et support de stockage Ceased WO2020082368A1 (fr)

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PCT/CN2018/112211 WO2020082368A1 (fr) 2018-10-26 2018-10-26 Procédé de mesure de cellule, et dispositif et support de stockage

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CN118785276A (zh) * 2023-04-07 2024-10-15 华为技术有限公司 通信方法和通信装置
CN117202408B (zh) * 2023-09-07 2024-11-05 中国电信股份有限公司技术创新中心 异频测量方法、装置、终端、电子设备及存储介质

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