WO2024065815A1 - Procédé et appareil de mesure de cellule voisine, support de stockage et puce - Google Patents

Procédé et appareil de mesure de cellule voisine, support de stockage et puce Download PDF

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Publication number
WO2024065815A1
WO2024065815A1 PCT/CN2022/123601 CN2022123601W WO2024065815A1 WO 2024065815 A1 WO2024065815 A1 WO 2024065815A1 CN 2022123601 W CN2022123601 W CN 2022123601W WO 2024065815 A1 WO2024065815 A1 WO 2024065815A1
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Prior art keywords
iot terminal
neighboring cell
cell measurement
distance
threshold
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PCT/CN2022/123601
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English (en)
Chinese (zh)
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李小龙
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北京小米移动软件有限公司
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Priority to CN202280003620.3A priority Critical patent/CN118120191A/zh
Priority to PCT/CN2022/123601 priority patent/WO2024065815A1/fr
Publication of WO2024065815A1 publication Critical patent/WO2024065815A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a method, device, storage medium and chip for measuring a neighboring cell.
  • an NB-IoT terminal in RRC (Radio Resource Control) connection state will not measure neighboring cells before detecting RLF (Radio link failure).
  • RRC Radio Resource Control
  • the NB-IoT terminal detects RLF, it will perform RRC reconstruction, measure neighboring cells during the RRC reconstruction process, and select a suitable cell according to the cell selection criteria.
  • connected NB-IoT terminals can measure neighboring cells before sending RLF. After sending RLF, when performing RRC reconstruction, the target cell for reconstruction can be selected based on the previous measurement results. Therefore, it is necessary to propose a neighboring cell measurement method for NB-IoT networks.
  • the present disclosure provides a neighboring cell measurement method, device, storage medium and chip.
  • a neighboring cell measurement method which is applied to an NB-IoT terminal, and the method includes:
  • the first information includes at least one of a reference position of a serving cell, a first distance threshold, and second indication information; wherein the second indication information is used to determine whether the NB-IoT terminal meets the neighboring cell measurement criteria.
  • performing neighbor cell measurement according to the first information includes:
  • the first distance is greater than the first distance threshold, neighboring cell measurement is performed; wherein the first distance is determined based on the position of the NB-IoT terminal and the reference position of the serving cell.
  • the first distance threshold includes at least one of a first threshold and a second threshold, the first threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing same-frequency neighboring cell measurements, and the second threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing different-frequency neighboring cell measurements.
  • performing neighbor cell measurement according to the first information includes:
  • the first distance is determined according to the position of the NB-IoT terminal and the reference position of the service cell.
  • the second indication information includes a reference location of a neighboring cell and a second distance threshold.
  • the method further comprises:
  • the second distance threshold When at least one of the second distances is less than or equal to the second distance threshold, it is determined that the NB-IoT terminal meets the neighboring cell measurement standard; wherein the second distance is determined based on the position of the NB-IoT terminal and the reference position of at least one of the neighboring cells.
  • performing neighbor cell measurement according to the first information includes:
  • neighboring cell measurement is performed; wherein the first distance is determined according to the position of the NB-IoT terminal and the reference position of the serving cell.
  • performing neighboring cell measurement includes:
  • the reference position of the serving cell includes any one of a position of a base station corresponding to the serving cell, a center position of a cell covered on the ground by the base station corresponding to the serving cell, and a designated position.
  • the reference position of the neighboring cell includes any one of a position of a base station corresponding to the neighboring cell, a center position of a cell covered on the ground by the base station corresponding to the neighboring cell, and a designated position.
  • a neighboring cell measurement method is provided, which is applied to an NB-IoT base station, and the method includes:
  • Sending first information to a target NB-IoT terminal where the first information is used by the target NB-IoT terminal to perform neighboring cell measurement according to the first information, where the first information includes a reference position of a serving cell, a first distance threshold, and at least one of second indication information, wherein the second indication information is used to determine whether the NB-IoT terminal meets the neighboring cell measurement standard, and the target NB-IoT terminal is a NB-IoT terminal accessing a target cell in the NB-IoT base station, and the target cell is any cell in the NB-IoT base station.
  • the first information includes at least one of a reference position of a service cell corresponding to the target NB-IoT terminal, a first distance threshold, and second indication information; wherein the second indication information is used to determine whether the NB-IoT terminal meets the neighboring cell measurement criteria.
  • the first distance threshold includes at least one of a first threshold and a second threshold, the first threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing same-frequency neighboring cell measurements, and the second threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing different-frequency neighboring cell measurements.
  • the second indication information includes a reference location of a neighboring cell corresponding to the target NB-IoT terminal and a second distance threshold.
  • the reference position of the service cell corresponding to the target NB-IoT terminal includes the position of the base station corresponding to the service cell, the center position of the cell covered by the base station corresponding to the service cell on the ground, and any one of a specified position.
  • the reference position of the neighboring cell corresponding to the target NB-IoT terminal includes the position of the base station corresponding to the neighboring cell, the center position of the cell covered on the ground by the base station corresponding to the neighboring cell, and any one of a specified position.
  • a neighboring cell measurement device which is applied to an NB-IoT terminal, and the device includes:
  • a receiving module configured to receive first information sent by a network
  • a measurement module configured to perform neighboring cell measurement according to the first information
  • the first information includes at least one of a reference position of a serving cell, a first distance threshold, and second indication information; the second indication information is used to determine whether the NB-IoT terminal meets the neighboring cell measurement criteria.
  • a neighboring cell measurement device which is applied to an NB-IoT base station, and the device includes:
  • a sending module is configured to send first information to a target NB-IoT terminal, wherein the first information is used by the target NB-IoT terminal to perform neighboring cell measurement according to the first information, the first information includes a reference position of a serving cell, a first distance threshold, and at least one of second indication information, wherein the second indication information is used to determine whether the NB-IoT terminal meets the neighboring cell measurement standard, the target NB-IoT terminal is a NB-IoT terminal accessing a target cell in the NB-IoT base station, and the target cell is any cell in the NB-IoT base station.
  • a neighboring cell measurement device including:
  • a memory for storing processor-executable instructions
  • the processor is configured to execute the steps of the neighboring cell measurement method provided in the first aspect of the present disclosure.
  • a neighboring cell measurement device including:
  • a memory for storing processor-executable instructions
  • the processor is configured to execute the steps of the neighboring cell measurement method provided in the second aspect of the present disclosure.
  • a computer-readable storage medium on which computer program instructions are stored.
  • the steps of the neighbor cell measurement method provided in the first aspect of the present disclosure are implemented.
  • a computer-readable storage medium on which computer program instructions are stored.
  • the steps of the neighboring cell measurement method provided in the second aspect of the present disclosure are implemented.
  • a chip including: a processor and an interface; the processor is used to read instructions to execute the steps of the neighboring cell measurement method provided in the first aspect of the present disclosure,
  • a chip including: a processor and an interface; the processor is used to read instructions to execute the steps of the neighbor cell measurement method provided in the second aspect of the present disclosure.
  • the technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: based on the first information sent by the network device, the NB-IoT terminal performs neighbor cell measurement, thereby reducing the frequency of the NB-IoT terminal performing neighbor cell measurement, thereby reducing the power of the NB-IoT terminal performing neighbor cell measurement.
  • Fig. 1 is a schematic diagram showing a communication system according to an exemplary embodiment.
  • Figure 2 is a schematic diagram of a NB IoT NTN network according to an exemplary embodiment.
  • Fig. 3 is a flow chart showing a method for measuring a neighboring cell according to an exemplary embodiment.
  • Fig. 4 is a flow chart showing another neighbor cell measurement method according to an exemplary embodiment.
  • Fig. 5 is a flow chart showing another neighbor cell measurement method according to an exemplary embodiment.
  • Fig. 6 is a flow chart showing another neighbor cell measurement method according to an exemplary embodiment.
  • Fig. 7 is a flow chart showing another neighbor cell measurement method according to an exemplary embodiment.
  • Fig. 8 is a flow chart showing a method for determining a neighbor cell measurement standard according to an exemplary embodiment.
  • Fig. 9 is a flow chart showing another neighbor cell measurement method according to an exemplary embodiment.
  • Fig. 10 is a flowchart showing another neighbor cell measurement method according to an exemplary embodiment.
  • Fig. 11 is a flow chart showing another neighbor cell measurement method according to an exemplary embodiment.
  • Fig. 12 is a block diagram showing a device for measuring a neighboring cell according to an exemplary embodiment.
  • Fig. 13 is a block diagram showing a device for measuring a neighboring cell according to an exemplary embodiment.
  • Fig. 14 is a block diagram showing a device for measuring a neighboring cell according to an exemplary embodiment.
  • Fig. 15 is a block diagram showing a device for measuring a neighboring cell according to an exemplary embodiment.
  • multiple means two or more than two, and other quantifiers are similar thereto; “at least one of the following”, “one or more” or similar expressions refer to any combination of these items, including any combination of single or plural items.
  • one or more of a, b, or c can represent: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, c can be single or multiple; "and/or" is a type of association relationship that describes associated objects, indicating that three relationships can exist, for example, A and/or B can represent: A exists alone, A and B exist at the same time, and B exists alone, where A and B can be singular or plural.
  • NTN Non-terrestrial Network
  • NB-IoT NTN Non-terrestrial Network
  • the near-far effect is not as obvious as that in TN (Terrestrial Network) network, that is, only relying on the change in the signal quality received by the NB-IoT terminal in the RRC connected state to determine whether to measure the neighboring cell cannot meet the needs of the NB-IoT NTN network. Therefore, it is necessary to propose a method for measuring neighboring cells for the NB-IoT NTN network.
  • the neighboring cell measurement method of the embodiment of the present disclosure can be applied not only to the NB-IoT NTN network system, but also to the NB-IoT TN network system.
  • FIG. 1 is a schematic diagram of a communication system provided by the present disclosure.
  • the communication system may be specifically a schematic diagram of an NB-IoT communication system.
  • the communication system may include an NB-IoT terminal 101 and an NB-IoT base station 102.
  • the number of the above-mentioned NB-IoT terminals 101 and NB-IoT base stations may be one or more, and the number of NB-IoT terminals 101 and NB-IoT base stations 102 of the communication system shown in FIG. 1 is only an adaptive example, and the present disclosure does not limit this.
  • the communication system may also include other network devices and/or other terminal devices.
  • the NB-IoT terminal 101 in Figure 1 may be any terminal capable of communicating with the NB-IoT network.
  • the NB-IoT base station 102 in Figure 1 may be any base station capable of providing the NB-IoT network.
  • the NB-IoT terminal 101 in FIG. 1 may be an electronic device that provides voice or data connectivity, for example, it may also be called a user equipment (UE), a subscriber unit (Subscriber Unit), a mobile station (Mobile Station), a station (Station), etc.
  • the NB-IoT terminal may include a smart phone, a smart wearable device, a smart speaker, a smart tablet, a wireless modem (modem), a wireless local loop (Wireless Local Loop, WLL) station, a PDA (Personal Digital Assistant), a CPE (Customer Premise Equipment), etc.
  • devices that can access a communication system can communicate with a NB-IoT base station of a communication system, or can communicate with other objects through a NB-IoT base station in a communication system can all be NB-IoT terminals in the embodiments of the present disclosure, for example, terminals and cars in smart transportation, household appliances in smart homes, power meter reading instruments, voltage monitoring instruments, environmental monitoring instruments in smart grids, video monitoring instruments in smart security networks, cash registers, etc.
  • FIG. 1 is only an example of the adaptability of a communication system, and the neighbor cell measurement method of the embodiment of the present disclosure can also be applied to other communication systems, which is not limited in the present disclosure.
  • FIG2 is a schematic diagram of another communication system provided by the present disclosure.
  • the communication system can be specifically a schematic diagram of an NB-IoT-NTN network.
  • the NB-IoT-NTN network includes an NB-IoT base station 210 and an NB-IoT terminal 220, wherein the NB-IoT base station 210 is composed of a ground gateway 211 and a satellite 212, and the NB-IoT terminal 220 communicates with the satellite 212 through an air interface, thereby realizing communication with the NB-IoT base station 210.
  • the NB-IoT base station function can also be fully realized by a satellite.
  • FIG3 is a diagram showing a neighboring cell measurement method according to an exemplary embodiment, which can be applied to the NB-IoT terminal in the above communication system. As shown in FIG3 , the method may include:
  • the first information includes at least one of a reference position of a serving cell, a first distance threshold, and second indication information; the second indication information is used to determine whether the NB-IoT terminal meets the neighboring cell measurement criteria.
  • the NB-IoT terminal may receive first information sent by the network, and perform neighboring cell measurement based on the first information.
  • performing neighbor cell measurement according to the first information may be determining whether the NB-IoT terminal meets a preset distance requirement according to the first information. If it is determined that the preset distance requirement is met, the neighbor cell measurement is performed; if it is determined that the preset distance requirement is not met, the neighbor cell measurement is not performed.
  • the NB-IoT terminal determines whether the NB-IoT terminal meets the preset distance requirement based on the first information.
  • the NB-IoT terminal determines whether the NB-IoT terminal meets the preset distance requirement based on the location of the NB-IoT terminal and the first information.
  • the NB-IoT terminal that receives the first information sent by the network i.e., the NB-IoT terminal, may be a NB-IoT terminal in a connected state.
  • the network to which the NB-IoT terminal is connected can be NTN or TN.
  • the reference position of the serving cell includes the position of the base station corresponding to the serving cell, the center position of the cell covered on the ground by the base station corresponding to the serving cell, and any one of the designated positions.
  • the reference position of the serving cell may include the position of the satellite corresponding to the serving cell, the center position of the cell covered on the ground by the satellite corresponding to the serving cell, and any one of the designated positions.
  • the first distance threshold includes at least one of a first threshold and a second threshold, the first threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing same-frequency neighboring cell measurements, and the second threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing different-frequency neighboring cell measurements.
  • the second indication information includes a reference position of a neighboring cell and a second distance threshold.
  • the reference position of the neighboring cell includes any one of the position of the base station corresponding to the neighboring cell, the center position of the cell covered by the base station corresponding to the neighboring cell on the ground, and a specified position.
  • the reference position of the neighboring cell may include any one of the position of the satellite corresponding to the neighboring cell, the center position of the cell covered by the satellite corresponding to the neighboring cell on the ground, and a specified position.
  • the NB-IoT terminal When it is determined according to the first information sent by the network that the NB-IoT terminal meets the preset distance requirement, the NB-IoT terminal performs neighboring cell measurement. In this way, the frequency of the NB-IoT terminal performing neighboring cell measurement can be reduced, thereby reducing the power of the NB-IoT terminal performing neighboring cell measurement.
  • FIG4 is a diagram showing a neighboring cell measurement method according to an exemplary embodiment.
  • the neighboring cell measurement method is applied to an NB-IoT terminal, as shown in FIG4 , and the method may include:
  • S410 receiving first information sent by a network device, where the first information includes a reference location of a serving cell and a first distance threshold.
  • S420 When the first distance is greater than a first distance threshold, perform neighboring cell measurement; wherein the first distance is determined based on the location of the NB-IoT terminal and a reference location of the serving cell.
  • the first distance can be understood as the distance between the location of the NB-IoT terminal and the reference location of the service cell.
  • the NB-IoT terminal when the first information includes the reference position of the serving cell and the first distance threshold, after the NB-IoT terminal receives the first information, it determines the first distance according to the position of the NB-IoT terminal and the reference position of the serving cell included in the first information, and then compares the first distance with the first distance threshold. If the first distance is greater than the first distance threshold, it is determined that the NB-IoT terminal meets the preset distance requirement, and the NB-IoT terminal performs neighboring cell measurement. If the first distance is less than the first distance threshold, it can be determined that the NB-IoT terminal does not meet the preset distance requirement, and the NB-IoT terminal does not perform neighboring cell measurement.
  • greater than can be replaced by greater than or equal to, or less than can be replaced by less than or equal to, which can be flexibly set according to the values of the first distance threshold, the first threshold, the second threshold and the second distance threshold.
  • the specific process of the NB-IoT terminal performing neighbor cell measurement can refer to relevant standards or methods, which will not be repeated here.
  • the NB-IoT terminal determines that the preset distance requirement is met according to the reference position of the service cell sent by the network and the first distance threshold, the NB-IoT terminal performs neighboring cell measurement. In this way, the frequency of the NB-IoT terminal performing neighboring cell measurement can be reduced, thereby reducing the power of the NB-IoT terminal performing neighboring cell measurement.
  • FIG5 is a diagram showing a neighboring cell measurement method according to an exemplary embodiment.
  • the neighboring cell measurement method is applied to an NB-IoT terminal, as shown in FIG5 , and the method may include:
  • S510 receiving first information sent by a network device, where the first information includes a reference position of a serving cell and a first distance threshold, where the first distance threshold includes at least one of a first threshold and a second threshold.
  • the first threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing same-frequency neighboring cell measurements
  • the second threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing different-frequency neighboring cell measurements.
  • the first distance is determined based on the location of the NB-IoT terminal and the reference location of the service cell.
  • the first information that the NB-IoT terminal can receive from the network includes a reference position of a serving cell and a first threshold value.
  • the first information includes a reference position of the serving cell and a second threshold value.
  • the first information includes a reference position of the serving cell, a first threshold value, and a second threshold value.
  • the NB-IoT terminal can determine the first distance according to the location of the NB-IoT terminal and the reference location of the serving cell, and compare the first distance with the first threshold. If the first distance is greater than the first threshold, it is determined that the NB-IoT terminal meets the preset distance requirement for performing the same-frequency neighboring cell measurement, and the NB-IoT terminal performs the same-frequency neighboring cell measurement. If the first distance is less than the first threshold, it can be determined that the NB-IoT terminal does not meet the preset distance requirement for performing the same-frequency neighboring cell measurement, and the NB-IoT terminal does not perform the same-frequency neighboring cell measurement.
  • the NB-IoT terminal can determine the first distance according to the location of the NB-IoT terminal and the reference location of the service cell, and compare the first distance with the second threshold. If the first distance is greater than the second threshold, it is determined that the NB-IoT terminal meets the preset distance requirements for performing hetero-frequency neighbor cell measurements, and the NB-IoT terminal performs hetero-frequency neighbor cell measurements. If the first distance is less than the second threshold, it can be determined that the NB-IoT terminal does not meet the preset distance requirements for performing hetero-frequency neighbor cell measurements, and the NB-IoT terminal does not perform hetero-frequency neighbor cell measurements.
  • the NB-IoT terminal can perform both same-frequency neighboring cell measurement and different-frequency neighboring cell measurement.
  • first threshold and the second threshold may be the same or different.
  • the process of the NB-IoT terminal performing the neighboring cell measurement can be more finely controlled.
  • FIG6 is a diagram showing a neighboring cell measurement method according to an exemplary embodiment.
  • the neighboring cell measurement method is applied to an NB-IoT terminal, as shown in FIG6 , and the method may include:
  • S610 receiving first information sent by a network device, where the first information includes a reference location of a serving cell, a first distance threshold, and second indication information.
  • the second indication information is used to determine whether the NB-IoT terminal meets the neighboring cell measurement criteria.
  • the first distance is determined based on the location of the NB-IoT terminal and the reference location of the service cell.
  • the NB-IoT terminal can determine whether the NB-IoT terminal meets the neighboring cell measurement standard based on the second indication information included in the first information. If the NB-IoT terminal meets the neighboring cell measurement standard, it indicates that the NB-IoT terminal can perform neighboring cell measurement, and if the NB-IoT terminal does not meet the neighboring cell measurement standard, it indicates that the NB-IoT terminal cannot perform neighboring cell measurement.
  • the fact that the NB-IoT terminal can perform neighboring cell measurement does not mean that the NB-IoT terminal will perform neighboring cell measurement, and the NB-IoT terminal may not perform neighboring cell measurement.
  • Whether the NB-IoT terminal will perform neighboring cell measurement can be judged based on other conditions. For example, it can be judged based on whether the first distance is greater than the first distance threshold.
  • the NB-IoT terminal after receiving the first information sent by the network, determines that the NB-IoT terminal meets the neighboring cell measurement standard according to the second indication information, and determines whether the first distance is greater than the first distance threshold according to the position of the NB-IoT terminal and the reference position of the serving cell. If the NB-IoT terminal determines that the NB-IoT terminal meets the neighboring cell measurement standard according to the second indication information, and determines that the first distance is greater than the first distance threshold according to the position of the NB-IoT terminal and the reference position of the serving cell, the NB-IoT terminal performs the neighboring cell measurement.
  • the first distance threshold may also be specifically set to the first threshold and/or the second threshold, so that the NB-IoT terminal specifically performs the same-frequency neighboring cell and/or different-frequency neighboring cell measurement.
  • the specific process can refer to the aforementioned embodiment and will not be repeated here.
  • FIG7 is a diagram showing a neighboring cell measurement method according to an exemplary embodiment.
  • the neighboring cell measurement method is applied to an NB-IoT terminal, as shown in FIG7 , and the method may include:
  • S710 receiving first information sent by a network device, the first information including a reference position of a serving cell, a first distance threshold and second indication information; wherein the second indication information includes a reference position of a neighboring cell and a second distance threshold.
  • S720 When at least one second distance is less than or equal to a second distance threshold, it is determined that the NB-IoT terminal meets the neighboring cell measurement standard; wherein the second distance is determined based on the position of the NB-IoT terminal and the reference position of at least one neighboring cell.
  • the NB-IoT terminal after receiving the first information sent by the network, determines the second distance based on the location of the NB-IoT terminal and the reference location of the neighboring cell included in the second indication information, and compares the second distance with the second preset distance threshold. It can be understood that there may be multiple neighboring cells corresponding to the NB-IoT terminal. In the embodiment of the present disclosure, as long as the second distance corresponding to at least one neighboring cell is less than or equal to the second distance threshold, it can be determined that the NB-IoT terminal meets the neighboring cell measurement standard.
  • the NB-IoT terminal When it is determined that the NB-IoT terminal meets the neighboring cell measurement criteria, if it is determined that the first distance is greater than the first distance threshold based on the location of the NB-IoT terminal and the reference location of the serving cell, the NB-IoT terminal performs neighboring cell measurement.
  • the first distance threshold can also be specifically set to the first threshold and/or the second threshold, so that the NB-IoT terminal specifically performs the same-frequency neighbor cell and/or different-frequency neighbor cell measurement.
  • the specific process can refer to the above embodiment and will not be repeated here.
  • the NB-IoT terminal determines the second distance based on the position of the NB-IoT terminal and the reference position of the neighboring cell. When at least one second distance is less than or equal to the second distance threshold, it is determined that the NB-IoT terminal meets the neighboring cell measurement standard.
  • FIG8 is a flow chart of a method for determining a neighboring cell measurement standard according to an exemplary embodiment.
  • the method for determining a neighboring cell measurement standard is applied to an NB-IoT terminal, as shown in FIG8 , and the method may include:
  • S810 Receive second indication information, where the second indication information includes a reference position of a neighboring cell and a second distance threshold.
  • S820 When at least one second distance is less than or equal to a second distance threshold, it is determined that the NB-IoT terminal meets the neighboring cell measurement standard; wherein the second distance is determined based on the position of the NB-IoT terminal and the reference position of at least one neighboring cell.
  • the NB-IoT terminal may receive first information sent by the network, and the first information may carry second indication information.
  • a neighboring cell measurement standard is proposed. That is, when the NB-IoT terminal determines that at least one second distance is less than or equal to the second distance threshold, it determines that the NB-IoT terminal meets the neighboring cell measurement standard and can perform neighboring cell measurement.
  • FIG9 is a diagram showing a neighboring cell measurement method according to an exemplary embodiment.
  • the neighboring cell measurement method is applied to an NB-IoT terminal, as shown in FIG9 , and the method may include:
  • S910 receiving first information sent by a network device, where the first information includes a reference location of a serving cell, a first distance threshold, and second indication information.
  • the NB-IoT terminal can determine the first distance based on the location of the NB-IoT terminal and the reference location of the service cell.
  • the process of determining whether the NB-IoT terminal meets the neighboring cell measurement standard according to the second indication information can refer to the aforementioned embodiment and will not be repeated here.
  • the NB-IoT terminal can start or restart the target timer when it is determined that the NB-IoT terminal meets the neighboring cell measurement standard based on the second indication information, and when the target timer is running, when it is determined that the first distance is greater than the first distance threshold, perform neighboring cell measurement.
  • the target timer may be, for example, a T326 timer, or other existing or newly added timers.
  • T326 is a timer used for neighboring cell measurement in the related art.
  • it may be a T326 timer used when determining whether to measure a neighboring cell based on a change in the signal quality received by an NB-IoT terminal in an RRC connection state.
  • the NB-IoT terminal can be set to determine that the first distance is greater than the first distance threshold during the target timer running time, and perform neighboring cell measurement when it is determined that the first distance is greater than the first distance threshold.
  • the neighbor cell measurement method in the embodiment of the present disclosure can be combined with the neighbor cell measurement method based on signal quality changes in the related technology, that is, the timer in the embodiment of the present disclosure can be started by the NB-IoT terminal based on the signal quality change meeting the conditions. In this case, if the NB-IoT terminal determines that the NB-IoT terminal meets the neighbor cell measurement standard based on the second indication information, the NB-IoT terminal can restart the timer.
  • FIG10 is a diagram showing a neighboring cell measurement method according to an exemplary embodiment.
  • the neighboring cell measurement method is applied to an NB-IoT terminal, as shown in FIG10 , and the method may include:
  • S1010 receiving first information sent by a network, where the first information includes a reference location of a serving cell and a first distance threshold.
  • the NB-IoT terminal can determine the first distance based on the location of the NB-IoT terminal and the reference location of the service cell.
  • T326 is a timer used for neighboring cell measurement in the related art.
  • it can be a T326 timer used when determining whether to measure a neighboring cell based on a change in the signal quality received by an NB-IoT terminal in an RRC connected state.
  • the first distance threshold, the second distance threshold, the first threshold and the second threshold involved in the aforementioned embodiments may not be sent by the network device, for example, they may be configured by the terminal itself, or pre-agreed in the communication protocol.
  • FIG11 is a diagram showing a neighboring cell measurement method according to an exemplary embodiment, which can be applied to the NB-IoT base station in the above communication system. As shown in FIG11 , the method may include:
  • S1110 sending first information to the target NB-IoT terminal, where the first information is used for the target NB-IoT terminal to perform neighboring cell measurement when it is determined that the target NB-IoT terminal meets a preset distance requirement based on the first information.
  • the target NB-IoT terminal is an NB-IoT terminal accessing the target cell in the NB-IoT base station, and the target cell is any cell in the NB-IoT base station.
  • the NB-IoT base station may send first information to the NB-IoT terminal accessing its own cell. After receiving the first information sent by the network, i.e., the NB-IoT base station, any NB-IoT terminal may determine whether the preset distance requirement is met based at least on the first information. If it is determined that the preset distance requirement is met, neighboring cell measurement is performed.
  • NB-IoT terminals can use the NB-IoT network standard to access the corresponding NB-IoT frequency band in the NB-IoT base station.
  • the NB-IoT base station may be an NTN base station or a TN base station.
  • the first information includes a reference position of a service cell corresponding to the target NB-IoT terminal, a first distance threshold, and at least one of second indication information; wherein the second indication information is used to determine whether the NB-IoT terminal meets the neighboring cell measurement criteria.
  • the reference position of the serving cell corresponding to the target NB-IoT terminal includes any one of the position of the base station corresponding to the serving cell, the center position of the cell covered by the base station corresponding to the serving cell on the ground, and a specified position.
  • the reference position of the serving cell corresponding to the target NB-IoT terminal includes any one of the position of the satellite corresponding to the serving cell, the center position of the cell covered by the satellite corresponding to the serving cell on the ground, and a specified position.
  • the first distance threshold includes at least one of a first threshold and a second threshold, the first threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing same-frequency neighboring cell measurements, and the second threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing different-frequency neighboring cell measurements.
  • the second indication information includes a reference location of a neighboring cell corresponding to the target NB-IoT terminal and a second distance threshold.
  • the reference position of the neighboring cell corresponding to the target NB-IoT terminal includes any one of the position of the base station corresponding to the neighboring cell, the center position of the cell covered by the base station corresponding to the neighboring cell on the ground, and a specified position.
  • the reference position of the neighboring cell includes any one of the position of the satellite corresponding to the neighboring cell, the center position of the cell covered by the satellite corresponding to the neighboring cell on the ground, and a specified position.
  • the NB-IoT base station sends the first information to the target NB-IoT terminal, the target NB-IoT terminal receives the first information sent by the network, and determines that the NB-IoT terminal meets the preset distance requirement based on the first information, and performs neighboring cell measurement, which can reduce the frequency of the NB-IoT terminal performing neighboring cell measurement, thereby reducing the power of the NB-IoT terminal performing neighboring cell measurement.
  • the first distance threshold, the second distance threshold, the first threshold and the second threshold involved in the aforementioned embodiments may not be sent by the network device, for example, they may be configured by the terminal itself, or pre-agreed in the communication protocol.
  • FIG. 12 is a block diagram of a neighboring cell measurement device 1200 according to an exemplary embodiment.
  • the neighboring cell measurement device may be applied to a NB-IoT terminal.
  • the device 1200 may include:
  • the receiving module 1210 is configured to receive first information sent by the network device
  • the measurement module 1220 is configured to perform neighbor cell measurement according to the first information
  • the first information includes at least one of a reference position of a serving cell, a first distance threshold, and second indication information; the second indication information is used to determine whether the NB-IoT terminal meets the neighboring cell measurement criteria.
  • the measurement module 1220 is also configured to perform neighboring cell measurement when the first distance is greater than the first distance threshold; wherein the first distance is determined based on the position of the NB-IoT terminal and the reference position of the service cell.
  • the first distance threshold includes at least one of a first threshold and a second threshold, the first threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing same-frequency neighboring cell measurements, and the second threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing different-frequency neighboring cell measurements.
  • the measurement module 1220 is also configured to perform same-frequency neighboring cell measurement when the first distance is greater than the first threshold; and/or to perform different-frequency neighboring cell measurement when the first distance is greater than the second threshold; wherein the first distance is determined based on the position of the NB-IoT terminal and the reference position of the service cell.
  • the second indication information includes a reference location of a neighboring cell and a second distance threshold.
  • the apparatus 1200 further includes:
  • a determination module is configured to determine that the NB-IoT terminal meets the neighboring cell measurement standard when at least one of the second distances is less than or equal to the second distance threshold; wherein the second distance is determined based on the position of the NB-IoT terminal and the reference position of at least one of the neighboring cells.
  • the measurement module 1220 is also configured to perform neighboring cell measurement when it is determined that the NB-IoT terminal meets the neighboring cell measurement standard according to the second indication information, and when it is determined that the first distance is greater than the first distance threshold according to the position of the NB-IoT terminal and the reference position of the service cell; wherein the first distance is determined according to the position of the NB-IoT terminal and the reference position of the service cell.
  • the measurement module 1220 is also configured to start or restart the target timer when it is determined that the NB-IoT terminal meets the neighboring cell measurement standard according to the second indication information; when the target timer is running, when it is determined that the first distance is greater than the first distance threshold, perform neighboring cell measurement.
  • the reference position of the serving cell includes any one of the position of a base station corresponding to the serving cell, the center position of a cell covered on the ground by the base station corresponding to the serving cell, and a designated position.
  • the reference position of the neighboring cell includes any one of the position of the base station corresponding to the neighboring cell, the center position of the cell covered by the base station corresponding to the neighboring cell on the ground, and a designated position.
  • FIG. 1300 is a block diagram of a neighboring cell measurement device 1300 according to an exemplary embodiment.
  • the neighboring cell measurement device may be applied to an NB-IoT base station.
  • the device 1300 may include:
  • the sending module 1310 is configured to send first information to the target NB-IoT terminal, where the first information is used for the target NB-IoT terminal to perform neighboring cell measurement when it is determined that the target NB-IoT terminal meets the preset distance requirement based on the first information.
  • the target NB-IoT terminal is a NB-IoT terminal that accesses the target cell in the NB-IoT base station, and the target cell is any cell in the NB-IoT base station.
  • the first information includes at least one of a reference position of a service cell corresponding to the target NB-IoT terminal, a first distance threshold, and second indication information; wherein the second indication information is used to determine whether the NB-IoT terminal meets the neighboring cell measurement criteria.
  • the first distance threshold includes at least one of a first threshold and a second threshold, the first threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing same-frequency neighboring cell measurements, and the second threshold is used to determine whether the NB-IoT terminal meets the preset distance requirement for performing different-frequency neighboring cell measurements.
  • the second indication information includes a reference position of a neighboring cell corresponding to the target NB-IoT terminal and a second distance threshold.
  • the reference position of the service cell corresponding to the target NB-IoT terminal includes the position of the base station corresponding to the service cell, the center position of the cell covered on the ground by the base station corresponding to the service cell, and any one of a specified position.
  • the reference position of the neighboring cell corresponding to the target NB-IoT terminal includes the position of the base station corresponding to the neighboring cell, the center position of the cell covered on the ground by the base station corresponding to the neighboring cell, and any one of a specified position.
  • FIG14 is a block diagram of a neighboring cell measurement device according to an exemplary embodiment.
  • the neighboring cell measurement device 1400 may be a NB-IoT base station in the communication system shown in FIG1 .
  • the device 1400 may include one or more of the following components: a processing component 1402 , a memory 1404 , and a communication component 1406 .
  • the processing component 1402 can be used to control the overall operation of the device 1400, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 1402 may include one or more processors 1420 to execute instructions to complete all or part of the steps of the neighboring cell measurement method described above.
  • the processing component 1402 may include one or more modules to facilitate the interaction between the processing component 1402 and other components.
  • the processing component 1402 may include a multimedia module to facilitate the interaction between the multimedia component and the processing component 1402.
  • the memory 1404 is configured to store various types of data to support operations on the device 1400. Examples of such data include instructions for any application or method operating on the device 1400, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 1404 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the communication component 1406 is configured to facilitate wired or wireless communication between the apparatus 1400 and other devices.
  • the apparatus 1400 can access a wireless network based on a communication standard, such as NB-IoT.
  • the communication component 1406 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • Fig. 15 is a block diagram of a neighboring cell measurement device according to an exemplary embodiment.
  • the neighboring cell measurement device 1500 may be an NB-IoT terminal in the communication system shown in Fig. 1, and the NB-IoT terminal may be, for example, a mobile phone, a camera, a notebook, a tablet computer, a smart wearable device, a terminal and a car in smart transportation, a household appliance in a smart home, an electric meter reading instrument in a smart grid, a voltage monitoring instrument, an environmental monitoring instrument, a video monitoring instrument in a smart security network, a cash register, etc.
  • a neighbor cell measurement device 1500 may include one or more of the following components: a processing component 1502 , a memory 1504 , a power component 1506 , a multimedia component 1508 , an audio component 1510 , an input/output interface 1512 , a sensor component 1514 , and a communication component 1516 .
  • the processing component 1502 generally controls the overall operation of the neighbor cell measurement device 1500, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 1502 may include one or more processors 1520 to execute instructions to complete all or part of the steps of the above-mentioned method.
  • the processing component 1502 may include one or more modules to facilitate the interaction between the processing component 1502 and other components.
  • the processing component 1502 may include a multimedia module to facilitate the interaction between the multimedia component 1508 and the processing component 1502.
  • the memory 1504 is configured to store various types of data to support the operation of the neighbor cell measurement device 1500. Examples of such data include instructions for any application or method operating on the neighbor cell measurement device 1500, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 1504 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power supply component 1506 provides power to various components of the neighbor cell measurement device 1500.
  • the power supply component 1506 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the neighbor cell measurement device 1500.
  • the multimedia component 1508 includes a screen that provides an output interface between the neighboring cell measurement device 1500 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
  • the multimedia component 1508 includes a front camera and/or a rear camera.
  • the front camera and/or the rear camera may receive external multimedia data.
  • Each front camera and the rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
  • the audio component 1510 is configured to output and/or input audio signals.
  • the audio component 1510 includes a microphone (MIC), and when the neighboring cell measurement device 1500 is in an operation mode, such as a call mode, a recording mode, and a speech recognition mode, the microphone is configured to receive an external audio signal.
  • the received audio signal may be further stored in the memory 1504 or sent via the communication component 1516.
  • the audio component 1510 further includes a speaker for outputting audio signals.
  • the input/output interface 1512 provides an interface between the processing component 1502 and the peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: a home button, a volume button, a start button, and a lock button.
  • the sensor assembly 1514 includes one or more sensors for providing various aspects of status assessment for the neighboring cell measurement device 1500.
  • the sensor assembly 1514 can detect the on/off state of the neighboring cell measurement device 1500, such as the display and keypad of the neighboring cell measurement device 1500.
  • the sensor assembly 1514 can also detect the position change of the neighboring cell measurement device 1500 or a component of the neighboring cell measurement device 1500, the presence or absence of user contact with the neighboring cell measurement device 1500, the orientation or acceleration/deceleration of the neighboring cell measurement device 1500, and the temperature change of the neighboring cell measurement device 1500.
  • the sensor assembly 1514 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact.
  • the sensor assembly 1514 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 1514 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 1516 is configured to facilitate wired or wireless communication between the neighboring cell measurement device 1500 and other devices.
  • the neighboring cell measurement device 1500 can access at least a NB-IoT wireless network based on a communication standard. In addition, it can also access a communication standard such as WiFi, 2G, 3G, 4G, 5G, 6G, eMTC or a combination thereof.
  • the communication component 1516 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communication component 1516 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • the apparatus 1500 or the apparatus 1500 may be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to perform the above-mentioned neighbor cell measurement method.
  • ASICs application-specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • controllers microcontrollers, microprocessors, or other electronic components to perform the above-mentioned neighbor cell measurement method.
  • the above-mentioned device 1400 or device 1500 may be an independent electronic device or a part of an independent electronic device.
  • the electronic device may be an integrated circuit (IC) or a chip, wherein the integrated circuit may be one IC or a collection of multiple ICs; the chip may include but is not limited to the following types: GPU (Graphics Processing Unit), CPU (Central Processing Unit), FPGA (Field Programmable Gate Array), DSP (Digital Signal Processor), ASIC (Application Specific Integrated Circuit), SOC (System on Chip, SoC), etc.
  • the above-mentioned integrated circuit or chip may be used to execute executable instructions (or codes) to implement the above-mentioned neighboring cell measurement method.
  • the executable instructions may be stored in the integrated circuit or chip, or may be obtained from other devices or equipment, such as the integrated circuit or chip including a processor, a memory, and an interface for communicating with other devices.
  • the executable instruction may be stored in the processor, and when the executable instruction is executed by the processor, the above-mentioned neighboring cell measurement method is implemented; or, the integrated circuit or chip may receive the executable instruction through the interface and transmit it to the processor for execution, so as to implement the above-mentioned neighboring cell measurement method.
  • the present disclosure further provides a computer-readable storage medium having computer program instructions stored thereon, which, when executed by a processor, implement the steps of the neighboring cell measurement method provided by the present disclosure.
  • the computer-readable storage medium may be a non-temporary computer-readable storage medium including instructions, for example, the above-mentioned memory 1404 or 1504 including instructions, and the above-mentioned instructions may be executed by the processor 1420 of the device 1400 or the processor 1520 of the device 1500 to complete the above-mentioned neighboring cell measurement method.
  • the non-temporary computer-readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
  • a computer program product is further provided.
  • the computer program product includes a computer program that can be executed by a programmable device.
  • the computer program has a code portion for executing the above neighbor cell measurement method when executed by the programmable device.

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

Abstract

La présente divulgation concerne un procédé et un appareil de mesure de cellule voisine, un support de stockage et une puce. Le procédé comprend : la réception de premières informations envoyées par un réseau; et l'exécution d'une mesure de cellule voisine selon les premières informations. En utilisant le procédé, la puissance d'un terminal NB-IoT pour des mesures de cellules voisines peut être réduite.
PCT/CN2022/123601 2022-09-30 2022-09-30 Procédé et appareil de mesure de cellule voisine, support de stockage et puce WO2024065815A1 (fr)

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CN202280003620.3A CN118120191A (zh) 2022-09-30 2022-09-30 邻小区测量方法、装置、存储介质及芯片
PCT/CN2022/123601 WO2024065815A1 (fr) 2022-09-30 2022-09-30 Procédé et appareil de mesure de cellule voisine, support de stockage et puce

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