WO2022205246A1 - 一种小区重选方法、小区重选装置及存储介质 - Google Patents

一种小区重选方法、小区重选装置及存储介质 Download PDF

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Publication number
WO2022205246A1
WO2022205246A1 PCT/CN2021/084781 CN2021084781W WO2022205246A1 WO 2022205246 A1 WO2022205246 A1 WO 2022205246A1 CN 2021084781 W CN2021084781 W CN 2021084781W WO 2022205246 A1 WO2022205246 A1 WO 2022205246A1
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WIPO (PCT)
Prior art keywords
cell
terminal
location information
distance
cell reselection
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Application number
PCT/CN2021/084781
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English (en)
French (fr)
Inventor
李小龙
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北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to EP21933906.6A priority Critical patent/EP4319309A1/en
Priority to JP2023559862A priority patent/JP2024512106A/ja
Priority to BR112023019974A priority patent/BR112023019974A2/pt
Priority to PCT/CN2021/084781 priority patent/WO2022205246A1/zh
Priority to KR1020237036449A priority patent/KR20230160374A/ko
Priority to CN202180001065.6A priority patent/CN115486128A/zh
Publication of WO2022205246A1 publication Critical patent/WO2022205246A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H04W36/322—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by location data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H04W36/083—Reselecting an access point wherein at least one of the access points is a moving node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a cell reselection method, a cell reselection device, and a storage medium.
  • the terminal When communicating based on the land network, the terminal mainly performs cell reselection based on the S criterion and the R criterion. For example, when the terminal performs cell reselection, it can measure the service quality of adjacent cells based on the signal quality of the serving cell, sort the measurement results of adjacent cells based on the R criterion, and perform target based on the measurement results and the sorting results. Cell reselection.
  • the terminal can determine that the terminal is at the edge of the cell through the apparent difference between the reference signal received power (RSRP) measured by the terminal and the RSRP in the center of the cell, so as to perform neighbor cell measurement and cell reselection.
  • RSRP reference signal received power
  • NTN non-terrestrial networks
  • communication is based on satellites. Because the far-near effect of NTN network is not as obvious as that of TN network. Therefore, for the NTN network, when the satellite moves or the terminal moves, causing the terminal to perform cell reselection, it is impossible to timely and accurately determine whether the terminal is at the edge of the cell, and neighbor cell measurements are required, which may result in too late cell reselection. and reselection back and forth between different cells.
  • the present disclosure provides a cell reselection method, a cell reselection device and a storage medium.
  • a cell reselection method which is applied to a terminal, and the cell reselection method includes:
  • the location information includes at least one of a distance between the terminal and a cell and a geographic location where the terminal is located; and perform cell reselection according to the location information.
  • performing cell reselection according to the location information includes: performing measurements on neighboring cells.
  • the measuring the neighboring cells includes:
  • the neighbor cell In response to the frequency priority of the neighbor cell being higher than the frequency priority of the serving cell, the neighbor cell is profiled.
  • the measuring the neighboring cells includes:
  • the cell reselection method further includes:
  • a first message sent by a network device is received, where the first message is used to instruct the terminal to perform cell reselection parameter information based on the location information.
  • the location information includes a distance between the terminal and the serving cell, and the first message is used to indicate a distance threshold.
  • the performing measurement on neighboring cells based on the location information includes:
  • the location information includes a distance between the terminal and the serving cell, and the first message is used to indicate a distance threshold.
  • the performing measurement on neighboring cells based on the location information includes:
  • the distance between the terminal and the serving cell is greater than the distance threshold, and the serving cell selection level If it is less than or equal to the threshold value of the received power signal level of the reference signal for starting the intra-frequency measurement, measure the neighboring cell.
  • the location information includes a geographic location where the terminal is located, and the first message is used to indicate a geographic location range.
  • the performing measurement on neighboring cells based on the location information includes:
  • the measurement is performed on the neighbor cell when the geographic location of the terminal is within the geographic location range.
  • the location information includes a geographic location where the terminal is located, and the first message is used to indicate a geographic location range.
  • the performing measurement on neighboring cells based on the location information includes:
  • the geographic location where the terminal is located is within the geographic location range, and the cell selection level is less than or equal to the activation
  • the received power signal level threshold value of the reference signal measured on the same frequency it is determined to measure the neighboring cell.
  • performing cell reselection according to the location information includes:
  • the target cell is determined.
  • the location information includes the distance between the terminal and the target cell.
  • the determining of the target cell according to the location information includes at least one of the following:
  • the distances between the terminal and the multiple cells are determined, and the ratios between the respective distances among the multiple distances and their corresponding cell coverage radii are respectively determined, and the cell with the smallest ratio among the multiple ratios is used as the target cell.
  • the location information includes the distance between the terminal and the target cell.
  • the determining of the target cell according to the location information includes at least one of the following:
  • N cells are determined, and from the N cells, the cell with the smallest distance from the terminal is selected as the target cell;
  • N cells are determined, and from the N cells, the cell with the smallest ratio is selected as the target cell, and the ratio is the ratio between the distance between the terminal and the cell and the coverage radius of the cell .
  • the N cells determined according to the R criterion for cell reselection satisfy one of the following conditions:
  • the cell selection level is greater than 0 and the cell selection quality of the cell is greater than 0; the distance between the terminal and the cell is less than the distance threshold, or the ratio of the distance between the terminal and the cell to the coverage radius of the cell is less than the ratio threshold; the distance between the terminal and the cell is less than The distance threshold, or the ratio of the distance between the terminal and the cell to the coverage radius of the cell, is less than the ratio threshold, and the cell selection level is greater than 0, and the cell selection quality of the cell is greater than 0.
  • the cell reselection method further comprises: reselection to the target cell.
  • the determining of the target cell according to the location information includes at least one of the following:
  • the cell closest to the terminal is selected as the target cell; among the cells that satisfy the S criterion for cell reselection, the cell closest to the terminal is selected as the target cell.
  • receiving the first message sent by the network device includes:
  • the first message sent by the network device is received based on the system message and/or the radio resource control release message.
  • a cell reselection method which is applied to a network device, and the cell reselection method includes:
  • a first message is sent, where the first message is used to indicate parameter information for cell reselection based on location information; the location information includes at least one of a distance between the terminal and the cell, and a geographic location where the terminal is located.
  • the first message is used to indicate at least one of a distance threshold and a geographic location range.
  • the sending the first message includes: sending the first message based on a system message and/or a radio resource control release message.
  • an apparatus for cell reselection where the apparatus for cell reselection includes:
  • the processing unit is configured to determine location information of the terminal, where the location information includes at least one of a distance between the terminal and a cell and a geographic location where the terminal is located, and performs cell reselection according to the location information.
  • the processing unit is configured to perform measurements on neighboring cells.
  • the processing unit in response to the frequency priority of the neighbor cell being higher than the frequency priority of the serving cell, performs side measurement on the neighbor cell.
  • the processing unit performs measurements on neighboring cells based on the location information.
  • the cell reselection apparatus further includes a receiving unit, the receiving unit is configured to receive a first message sent by a network device, where the first message is used to instruct the terminal to perform cell reselection based on location information parameter information.
  • the location information includes a distance between the terminal and the serving cell, and the first message is used to indicate a distance threshold.
  • the processing unit In response to the frequency priority of the adjacent cell being lower than the frequency priority of the serving cell, or the frequency of the adjacent cell being the same as the frequency of the serving cell, in the case that the distance between the terminal and the serving cell is greater than the distance threshold, the processing unit will neighbor cells to measure.
  • the location information includes a distance between the terminal and the serving cell
  • the first message is used to indicate a distance threshold.
  • the distance between the terminal and the serving cell is greater than the distance threshold, and the serving cell selection level
  • the processing unit measures the neighboring cell.
  • the location information includes a geographic location where the terminal is located, and the first message is used to indicate a geographic location range.
  • the processing unit performs the processing on the adjacent cell. Measurement.
  • the location information includes a geographic location where the terminal is located, and the first message is used to indicate a geographic location range.
  • the geographic location where the terminal is located is within the geographic location range, and the cell selection level is less than or equal to the activation
  • the processing unit measures the neighboring cell.
  • the processing unit determines the target cell according to the location information.
  • the location information includes the distance between the terminal and the target cell.
  • the determining of the target cell according to the location information includes at least one of the following:
  • the distances between the terminal and the multiple cells are determined, and the ratios between the respective distances among the multiple distances and their corresponding cell coverage radii are respectively determined, and the cell with the smallest ratio among the multiple ratios is used as the target cell.
  • the location information includes the distance between the terminal and the target cell.
  • the determining of the target cell according to the location information includes at least one of the following:
  • N cells are determined, and from the N cells, the cell with the smallest distance from the terminal is selected as the target cell;
  • N cells are determined, and from the N cells, the cell with the smallest ratio is selected as the target cell, and the ratio is the ratio between the distance between the terminal and the cell and the coverage radius of the cell .
  • the N cells determined according to the R criterion for cell reselection satisfy one of the following conditions:
  • the cell selection level is greater than 0 and the cell selection quality of the cell is greater than 0; the distance between the terminal and the cell is less than the distance threshold, or the ratio of the distance between the terminal and the cell to the coverage radius of the cell is less than the ratio threshold; the distance between the terminal and the cell is less than The distance threshold, or the ratio of the distance between the terminal and the cell to the coverage radius of the cell, is less than the ratio threshold, and the cell selection level is greater than 0, and the cell selection quality of the cell is greater than 0.
  • the processing unit is further configured to: reselect to the target cell.
  • the determining of the target cell according to the location information includes at least one of the following:
  • the cell closest to the terminal is selected as the target cell; among the cells that satisfy the S criterion for cell reselection, the cell closest to the terminal is selected as the target cell.
  • the receiving unit receives the first message sent by the network device based on the system message and/or the radio resource control release message.
  • an apparatus for cell reselection where the apparatus for cell reselection includes:
  • a sending unit configured to send a first message, where the first message is used to indicate parameter information for cell reselection based on location information, where the location information includes the distance between the terminal and the cell, and the geographic location where the terminal is located at least one of.
  • the first message is used to indicate at least one of a distance threshold and a geographic location range.
  • the sending unit sends the first message based on a system message and/or a radio resource control release message.
  • an apparatus for cell reselection including:
  • processor ; memory for storing processor-executable instructions;
  • the processor is configured to: execute the cell reselection method described in the first aspect or any implementation manner of the first aspect.
  • an apparatus for cell reselection including:
  • processor ; memory for storing processor-executable instructions;
  • the processor is configured to: execute the cell reselection method described in the second aspect or any implementation manner of the second aspect.
  • a storage medium where instructions are stored in the storage medium, and when the instructions in the storage medium are executed by a processor of a terminal, the terminal can execute the first aspect or the first Aspect is the cell reselection method described in any one of the embodiments.
  • a storage medium where instructions are stored in the storage medium, and when the instructions in the storage medium are executed by a processor of a network device, the network device can execute the second aspect or
  • the second aspect is the cell reselection method described in any one of the embodiments.
  • the terminal determines the location information of the terminal, and uses the location information of the terminal to perform cell reselection.
  • the location information includes at least one of the distance between the terminal and the cell and the geographic location where the terminal is located. It can relatively accurately determine that the terminal is located at the edge of the cell, so cell reselection can be performed relatively timely.
  • FIG. 1 is a schematic diagram of a wireless communication system according to an exemplary embodiment.
  • FIG. 2A shows a schematic diagram of a network architecture and a near-far effect of a TN network in an exemplary embodiment of the present disclosure.
  • FIG. 2B shows a schematic diagram of a network architecture and a near-far effect of an NTN network in an exemplary embodiment of the present disclosure.
  • Fig. 3 is a flow chart of a cell reselection method according to an exemplary embodiment.
  • Fig. 4 is a flow chart of a method for cell reselection according to an exemplary embodiment.
  • Fig. 5 is a flow chart of a method for cell reselection according to an exemplary embodiment.
  • Fig. 6 is a flow chart of a cell reselection method according to an exemplary embodiment.
  • Fig. 7 is a flow chart of a method for cell reselection according to an exemplary embodiment.
  • Fig. 8 is a flow chart of a cell reselection method according to an exemplary embodiment.
  • Fig. 9 is a flow chart of a cell reselection method according to an exemplary embodiment.
  • Fig. 10 is a flowchart showing a method for cell reselection according to an exemplary embodiment.
  • Fig. 11 is a flowchart showing a method for cell reselection according to an exemplary embodiment.
  • Fig. 12 is a flowchart showing a method for cell reselection according to an exemplary embodiment.
  • Fig. 13 is a flowchart showing a method for cell reselection according to an exemplary embodiment.
  • Fig. 14 is a flowchart showing a method for cell reselection according to an exemplary embodiment.
  • Fig. 15 is a block diagram of an apparatus for cell reselection according to an exemplary embodiment.
  • Fig. 16 is a block diagram of a cell reselection apparatus according to an exemplary embodiment.
  • Fig. 17 is a block diagram of an apparatus for cell reselection according to an exemplary embodiment.
  • Fig. 18 is a block diagram of an apparatus for cell reselection according to an exemplary embodiment.
  • the wireless communication system includes a terminal and a network device. Information is sent and received between the terminal and the network device through wireless resources.
  • the wireless communication system shown in FIG. 1 is only a schematic illustration, and the wireless communication system may also include other network devices, such as core network devices, wireless relay devices, and wireless backhaul devices, etc. Not shown in Figure 1.
  • the embodiments of the present disclosure do not limit the number of network devices and the number of terminals included in the wireless communication system.
  • the wireless communication system is a network that provides a wireless communication function.
  • Wireless communication systems can use different communication technologies, such as code division multiple access (CDMA), wideband code division multiple access (WCDMA), time division multiple access (TDMA) , frequency division multiple access (frequency division multiple access, FDMA), orthogonal frequency division multiple access (orthogonal frequency-division multiple access, OFDMA), single carrier frequency division multiple access (single Carrier FDMA, SC-FDMA), carrier sense Carrier Sense Multiple Access with Collision Avoidance.
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency division multiple access
  • single carrier frequency division multiple access single Carrier FDMA, SC-FDMA
  • carrier sense Carrier Sense Multiple Access with Collision Avoidance CDMA
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA time division multiple access
  • OFDMA orthogonal
  • the network can be divided into 2G (English: generation) network, 3G network, 4G network or future evolution network, such as 5G network, 5G network can also be called a new wireless network ( New Radio, NR).
  • 2G International: generation
  • 3G network 4G network or future evolution network, such as 5G network
  • 5G network can also be called a new wireless network ( New Radio, NR).
  • New Radio New Radio
  • the present disclosure will sometimes refer to a wireless communication network simply as a network.
  • the wireless access network equipment may be: a base station, an evolved node B (base station), a home base station, an access point (AP) in a wireless fidelity (WIFI) system, a wireless relay A node, a wireless backhaul node, a transmission point (TP) or a transmission and reception point (TRP), etc., can also be a gNB in an NR system, or can also be a component or part of a device that constitutes a base station Wait.
  • the network device may also be an in-vehicle device. It should be understood that, in the embodiments of the present disclosure, the specific technology and specific device form adopted by the network device are not limited.
  • the terminal involved in the present disclosure may also be referred to as terminal equipment, user equipment (User Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal, MT), etc.
  • a device that provides voice and/or data connectivity for example, a terminal may be a handheld device with wireless connectivity, a vehicle-mounted device, or the like.
  • some examples of terminals are: Smartphone (Mobile Phone), Pocket Personal Computer (PPC), PDA, Personal Digital Assistant (PDA), notebook computer, tablet computer, wearable device, or Vehicle equipment, etc.
  • the terminal device may also be an in-vehicle device. It should be understood that the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the terminal.
  • cell selection or reselection is performed.
  • the embodiments of the present disclosure are mainly applicable to the process of cell selection or reselection.
  • the S criterion and the R criterion are involved for cell selection or reselection.
  • the S criterion mainly refers to S rxlev >0 and S qual >0.
  • S rxlev is the cell selection level
  • S qual is the cell selection quality. The cell selected or reselected by the terminal needs to satisfy the S criterion.
  • the terminal determines when to measure the neighbor cell according to the above-mentioned S criterion, and the specific rules are as follows:
  • S IntraSearchP is the threshold value of RSRP signal level used for starting intra-frequency measurement.
  • the terminal can choose not to measure the neighbor cell.
  • neighbor cells to measure.
  • S nonIntraSearchP is the threshold value of RSRP signal level used to start inter-frequency measurement.
  • the R criterion mainly refers to:
  • Rs is the R value of the serving cell
  • Rn is the R value of the neighboring cell
  • Q meas,s is the RSRP measurement value of the serving cell
  • Q meas,n is the RSRP measurement value of the neighboring cell
  • Q hyst is the cell reselection hysteresis value
  • Q offsettemp is the temporary offset value
  • Q offset is the offset value.
  • the R value of each cell is calculated according to the above R criterion, and the terminal only performs the R criterion ranking on the neighboring cells that satisfy the S criterion.
  • FIG. 2A shows a schematic diagram of a network architecture and a near-far effect of a TN network in an exemplary embodiment of the present disclosure.
  • FIG. 2B shows a schematic diagram of the network architecture of the NTN network and the near-far effect in an exemplary embodiment of the present disclosure.
  • the terminal may be a far-end terminal (Far-UE) or a near-end terminal (Near-UE).
  • the remote terminal may be understood as a terminal located at the edge of the cell.
  • a near-end terminal can be understood as a terminal located in a cell.
  • the correspondence between the terminal's received signal strength (Received signal strength) and the distance between the terminal and the cell can reflect the near-far effect. Referring to FIG. 2A and FIG. 2B , it can be seen that the near-far effect of the NTN network is less obvious than the near-far effect of the signal of the TN network.
  • the terminal can determine that it is at the edge of the cell by the obvious difference between the RSRP measured by the terminal and the RSRP of the center of the cell, so as to perform neighbor cell measurement and cell reselection.
  • the NTN network when the satellite moves or the terminal moves to the position where the terminal needs to perform cell reselection, there is no obvious near-far benefit as in the TN network.
  • the cell reselection based on the S criterion and the R criterion may cause too late. cell reselection, and may also cause the terminal to perform cell reselection in two cells back and forth.
  • the cell reselection method based on the S criterion and the R criterion cannot solve the problem that the terminal encounters when performing cell selection or reselection in the NTN network.
  • An embodiment of the present disclosure provides a cell reselection method, in which a terminal can perform cell selection or reselection based on the location information of the terminal. For example, when the terminal determines that it is located at the edge of a cell geographically, cell reselection is performed.
  • the terminal when the terminal performs cell selection or reselection based on the location information of the terminal, it may determine whether to trigger the terminal to measure or not to measure a neighboring cell.
  • the measurement of the neighboring cell by the terminal may include one or more of acquiring the identification (ID) of the neighboring cell, acquiring the system information of the cell, and measuring the signal quality of the cell.
  • ID the identification of the neighboring cell
  • the target cell when the cell selection or reselection is performed based on the location information of the terminal, the target cell may be determined.
  • Fig. 3 is a flow chart of a cell reselection method according to an exemplary embodiment. As shown in FIG. 3 , the cell reselection method can be performed by a terminal, and includes the following steps.
  • step S11 the location information of the terminal is determined.
  • the location information involved in the embodiments of the present disclosure includes at least one of a distance between a terminal and a cell, and a geographic location where the terminal is located.
  • the distance between the terminal and the cell may include the distance between the terminal and the satellite corresponding to the cell, or may also include the distance between the terminal and the center of the serving cell, or may also include the distance between the terminal and the center of the target cell.
  • step S12 cell reselection is performed according to the location information of the terminal.
  • the terminal performing cell reselection according to the location information of the terminal may include the terminal determining whether to perform measurement on a neighboring cell, that is, determining to perform measurement on the neighboring cell, or determining not to measure the neighboring cell.
  • the terminal determines to measure the neighbor cell, it can be understood as an implementation process of the terminal performing cell reselection.
  • Fig. 4 is a flow chart of a method for cell reselection according to an exemplary embodiment. As shown in FIG. 4 , the cell reselection method may be performed by a terminal, wherein, according to the location information of the terminal, performing cell reselection includes the following steps.
  • step S21 measurements are performed on neighboring cells.
  • the neighboring cell when the cell reselection is performed according to the location information of the terminal, the neighboring cell may be selected according to the frequency priority of the neighboring cell and the frequency priority of the serving cell. Measurement.
  • the frequency priority of the neighboring cell and the frequency priority of the serving cell may be used to determine whether the neighboring cell should not be reselection. cell to measure.
  • the frequency priority of the neighboring cell and the frequency priority of the serving cell may be configured by the network device to the terminal.
  • the cell reselection when the cell reselection is performed according to the location information of the terminal, if the frequency priority of the neighbor cell is higher than the frequency priority of the serving cell, it can be determined to measure the neighbor cell.
  • Fig. 5 is a flow chart of a method for cell reselection according to an exemplary embodiment. As shown in FIG. 5 , the cell reselection method can be performed by a terminal, and includes the following steps.
  • step S31 in response to the frequency priority of the adjacent cell being higher than the frequency priority of the serving cell, side measurement is performed on the adjacent cell.
  • the neighbor cell when determining whether to measure the adjacent cell according to the frequency priority of the adjacent cell and the frequency priority of the serving cell, if it is determined that the frequency priority of the adjacent cell is higher than the frequency priority of the serving cell, then determine whether to measure the adjacent cell. Neighboring cells need to be measured without considering other conditions. The other conditions for determining whether the neighbor cell needs to be measured may be, for example, the location information of the terminal.
  • Fig. 6 is a flow chart of a cell reselection method according to an exemplary embodiment. As shown in FIG. 6 , the cell reselection method can be performed by a terminal, and includes the following steps.
  • step S41 the neighbor cell is measured based on the location information of the terminal.
  • the adjacent cell when it is determined based on the location information of the terminal to measure the adjacent cell, or it is determined not to measure the adjacent cell, on the one hand, it may be determined to measure the adjacent cell based on the distance between the terminal and the cell. Alternatively, it is determined based on the distance between the terminal and the cell not to measure the neighboring cell. For example, neighbor cells may be measured based on the distance between the terminal and the serving cell. Or, it is determined based on the distance between the terminal and the serving cell that no measurement is performed on the neighboring cell.
  • the terminal may determine to measure the neighboring cell based on the geographical location where the terminal is located. Alternatively, it is determined based on the geographic location where the terminal is located that no measurement is performed on neighboring cells. For example, when it is determined that the geographical location where the terminal is located is within the geographical range where cell measurement is performed, it may be determined to perform measurement on a neighboring cell. When it is determined that the geographical location where the terminal is located is not within the geographical range where cell measurement is performed, it is determined that the neighbor cell is not to be measured.
  • the network device may send parameter information for instructing the terminal to perform cell reselection based on location information to the terminal.
  • the terminal performs cell reselection based on the parameter information sent by the network device and based on the parameter information and the location information of the terminal. For example, measurements are performed on neighboring cells, or no measurements are performed on neighboring cells.
  • Fig. 7 is a flow chart of a method for cell reselection according to an exemplary embodiment. As shown in FIG. 7 , the cell reselection method can be performed by a network device, and includes the following steps.
  • step S51 the first message sent by the network device is received.
  • the first message is used to indicate parameter information for the terminal to perform cell reselection based on the location information.
  • the parameter information used to instruct the terminal to perform cell reselection based on the location information may include at least one of the following: frequency of a neighbor cell, frequency of a serving cell, frequency priority of a neighbor cell, and frequency priority of a serving cell , distance threshold, and geographic range.
  • the terminal may receive the first message sent by the network device based on a system message and/or a radio resource control (Radio Resource Control, RRC) release (release) message.
  • RRC Radio Resource Control
  • the frequency priority of the adjacent cell in the case that the frequency priority of the adjacent cell is determined to be lower than the frequency priority of the serving cell, it may be determined whether to measure the adjacent cell based on the location information of the terminal.
  • the frequency of the adjacent cell is determined to be the same as the frequency of the serving cell, whether to measure the adjacent cell is determined based on the location information of the terminal.
  • determining whether to measure a neighboring cell based on the location information of the terminal it may be based on the distance between the terminal and the serving cell to determine whether to measure the neighboring cell.
  • the network device may indicate to the terminal a distance threshold for performing cell measurement through the first message.
  • the terminal receives the distance threshold value sent by the network device.
  • the terminal determines whether to measure the neighbor cell based on the distance between the terminal and the serving cell and the distance threshold.
  • the network device may indicate to the terminal a distance threshold value for cell measurement, a frequency priority of a neighbor cell, and a frequency priority of a serving cell to the terminal through the first message.
  • the terminal receives the distance threshold value, the frequency priority of the neighboring cell and the frequency priority of the serving cell sent by the network device.
  • the terminal determines whether to measure the adjacent cell based on the distance between the terminal and the serving cell, the distance threshold value, the frequency priority of the adjacent cell, and the frequency priority of the serving cell.
  • the network device may indicate to the terminal a distance threshold for performing cell measurement through the first message.
  • the terminal receives the distance threshold value, the frequency of the neighboring cell and the frequency of the serving cell sent by the network device.
  • the terminal determines whether to measure the adjacent cell based on the distance between the terminal and the serving cell, the distance threshold value, the frequency of the adjacent cell and the frequency of the serving cell.
  • Fig. 8 is a flow chart of a cell reselection method according to an exemplary embodiment. As shown in FIG. 8 , the cell reselection method can be performed by a terminal, and includes the following steps.
  • step S61 in response to the frequency priority of the adjacent cell being lower than the frequency priority of the serving cell, or the frequency of the adjacent cell being the same as the frequency of the serving cell, the distance between the terminal and the serving cell is greater than the distance threshold, and In the case that the selection level of the serving cell is less than or equal to the threshold value of the received power signal level of the reference signal for starting the intra-frequency measurement, the measurement is performed on the neighboring cell.
  • the network device when the terminal determines whether to measure the neighbor cell based on the distance between the terminal and the serving cell, the network device provides the distance threshold Rx to the terminal. Wherein, the network device may send the Rx to the terminal through a system message and/or an RRC release message.
  • R can be the distance between the terminal and the satellite corresponding to the serving cell, or the distance between the terminal and the center of the serving cell;
  • the terminal ignores the distance threshold provided by the network device and keeps measuring the neighboring cell.
  • determining whether to measure a neighboring cell based on the location information of the terminal it may be based on the geographic location where the terminal is located to determine whether to measure the neighboring cell.
  • the network device may indicate to the terminal a geographic location range for performing cell measurement through the first message.
  • the terminal receives the geographic location range sent by the network device.
  • the terminal determines whether to measure the neighboring cell based on the geographic location where the terminal is located and the geographic location range.
  • the network device may indicate to the terminal a geographic location range for cell measurement, a frequency priority of a neighboring cell, and a frequency priority of a serving cell to the terminal through the first message.
  • the terminal receives the geographic location range, the frequency priority of the neighboring cell and the frequency priority of the serving cell sent by the network device.
  • the terminal determines whether to measure the adjacent cell based on the geographical location where the terminal is located, the geographical location range, the frequency priority of the adjacent cell, and the frequency priority of the serving cell.
  • the network device may indicate to the terminal a geographic location range for cell measurement, the frequency of the neighboring cell, and the frequency of the serving cell to the terminal through the first message.
  • the terminal receives the geographic location range, the frequency of the neighboring cell and the frequency of the serving cell sent by the network device.
  • the terminal determines whether to measure the adjacent cell based on the geographic location where the terminal is located, the geographic location range, the frequency of the adjacent cell, and the frequency of the serving cell.
  • Fig. 9 is a flow chart of a cell reselection method according to an exemplary embodiment. As shown in FIG. 9 , the cell reselection method can be performed by a terminal, and includes the following steps.
  • step S71 in response to the frequency priority of the adjacent cell being lower than the frequency priority of the serving cell, or the frequency of the adjacent cell being the same as the frequency of the serving cell, in the case where the geographical location where the terminal is located is within the geographical location range, for neighbor cells to measure.
  • the network device when the terminal determines whether to measure a neighboring cell based on the distance between the terminal and the serving cell, the network device provides the terminal with geographic location range information. Wherein, the network device may send the geographic location range information to the terminal through a system message and/or an RRC release message.
  • the terminal measures the adjacent cell when the geographical location of the terminal is within the geographical range.
  • the terminal measures the neighboring cells.
  • the terminal ignores the geographic range information provided by the network device and keeps measuring the neighboring cell.
  • measurement of neighboring cells may be performed based on the level of the serving cell.
  • different levels of the serving cell will correspondingly include different frequency priorities.
  • intra-frequency neighbor cell measurement if the serving cell's S rxlev >S IntraSearchP , the terminal may choose not to measure the neighbor cell. On the contrary, the terminal needs to measure the neighboring cells.
  • inter-frequency neighbor cell measurement if the frequency priority of the neighbor cell is less than or equal to the frequency priority of the serving cell, then if the serving cell's S rxlev >S nonIntraSearchP , the terminal may choose not to measure the neighbor cell. On the contrary, the terminal needs to measure the neighboring cells.
  • the process of the terminal performing cell reselection based on the location information of the terminal may include that the terminal determines a target cell according to the location information, that is, the terminal may select a target cell.
  • Fig. 10 is a flowchart showing a method for cell reselection according to an exemplary embodiment. As shown in FIG. 10 , the cell reselection method can be performed by a terminal, and includes the following steps.
  • step S81 the target cell is determined according to the location information of the terminal.
  • the terminal determines the target cell according to the location information
  • at least one of the following methods may be adopted:
  • Manner 1 Determine the target cell according to the distance between the terminal and the cell (target cell).
  • Manner 2 Determine the target cell according to the R criterion.
  • Manner 3 Determine the target cell according to the R criterion and the distance between the terminal and the target cell.
  • the terminal when the terminal determines the target cell according to the location information, the terminal may determine the target cell according to the distance between the terminal and the cell (target cell).
  • Fig. 11 is a flowchart showing a method for cell reselection according to an exemplary embodiment. As shown in FIG. 11 , the cell reselection method can be performed by a terminal, and includes the following steps.
  • step S91 the target cell is determined according to the distance between the terminal and the target cell.
  • the terminal according to the embodiment of the present disclosure determines the target cell according to the distance between the terminal and the target cell, including at least one of the following methods:
  • Manner 1 The terminal determines the distance between the terminal and multiple cells, and uses the cell with the smallest distance among the multiple distances as the target cell. That is, the terminal may calculate the distances between the terminal and multiple target cells, and then select the cell with the smallest distance as the target cell.
  • Mode 2 The terminal determines the distance between the terminal and multiple cells, and determines the ratio between each distance among the multiple distances and the coverage radius of the corresponding cell, and uses the cell with the smallest ratio among the multiple ratios as the target cell. That is, the terminal calculates the distance from the terminal to multiple target cells, and the ratio of the distance to the coverage radius of the cell, and the terminal selects the cell with the smallest ratio as the target cell.
  • the terminal may determine the target cell according to the R criterion.
  • the terminal may determine the target cell according to the R criterion and the distance between the terminal and the target cell.
  • Fig. 12 is a flowchart showing a method for cell reselection according to an exemplary embodiment. As shown in FIG. 12 , the cell reselection method can be performed by a terminal, and includes the following steps.
  • step S101 the target cell is determined according to the R criterion and the distance between the terminal and the target cell.
  • the terminal determines the target cell according to the R criterion and the distance between the terminal and the target cell, including at least one of the following methods:
  • Manner 1 According to the R criterion for cell reselection, N cells are determined, and from the N cells, the cell with the smallest distance from the terminal is selected as the target cell. That is, the terminal selects N cells according to the R criterion, and then selects the cell with the smallest distance from the terminal as the target cell from the N cells.
  • Method 2 Determine N cells according to the R criterion for cell reselection, and select the cell with the smallest ratio as the target cell from the N cells, and the ratio is the ratio between the distance between the terminal and the cell and the coverage radius of the cell . That is, N cells are selected according to the R criterion, the terminal then determines the ratio of the distance from the terminal to the N cells to the coverage radius of the cell, and the terminal selects the cell with the smallest ratio as the target cell.
  • the N cells determined according to the R criterion for cell reselection need to satisfy one of the following conditions:
  • the cell selection level is greater than 0 and the cell selection quality of the cell is greater than 0. That is, the terminal determines N cells according to the existing R criterion. That is, when the terminal selects the target cell to calculate the R value, the target cell must satisfy S rxlev >0 and S qual >0.
  • the distance between the terminal and the cell is less than the distance threshold, or the ratio of the distance between the terminal and the cell to the coverage radius of the cell is less than the ratio threshold. That is, when the terminal selects the target cell based on the R criterion and calculates the R value, the target cell must satisfy that the distance between the terminal and the target cell is less than the threshold value.
  • the threshold value is configured by the network device to the terminal. Or the ratio of the distance of the target cell to the coverage radius of the cell is less than the threshold value. Wherein, the threshold value is configured by the network device to the terminal.
  • the distance between the terminal and the cell is less than the distance threshold, or the ratio of the distance between the terminal and the cell to the coverage radius of the cell is less than the ratio threshold, and the cell selection level is greater than 0, and the cell selection quality of the cell is greater than 0. That is, when the terminal selects the target cell, the target cell must satisfy that the distance between the terminal and the target cell is less than the threshold value or the ratio of the distance between the target cell and the cell coverage radius is less than the threshold value, and the target cell must satisfy S rxlev >0 and S qual > 0.
  • the threshold value is configured by the network device to the terminal.
  • the terminal may select the cell closest to the terminal as the target cell.
  • the terminal may select the cell closest to the terminal among the cells that satisfy the S criterion for cell reselection as the target cell.
  • the R criterion may not be used, but directly based on the distance between the terminal and the cell, the cell closest to the terminal may be selected and determined as the target cell.
  • the process of performing cell reselection by the terminal may include: reselection to a target cell.
  • Fig. 13 is a flowchart showing a method for cell reselection according to an exemplary embodiment. As shown in FIG. 13 , the cell reselection method can be performed by a terminal, and includes the following steps.
  • step S111 the terminal reselects to the target cell.
  • the process of performing cell reselection by the terminal according to the location information of the terminal may involve one of the processes of neighbor cell measurement, target cell determination, and reselection to the target cell. or more.
  • the various embodiments in the process of the terminal performing cell reselection based on the location information, may be implemented in various combinations in the process that the terminal performs neighbor cell measurement and target cell determination. And it can also be implemented in combination with the existing technology.
  • the terminal may perform cell reselection based on the neighbor cell measurement method provided in the embodiments of the present disclosure in combination with the implementation of target cell selection in the prior art, or the terminal may also perform cell reselection based on the neighboring cell measurement method in the prior art in combination with the present disclosure
  • the implementation of the target cell selection provided in the embodiment performs cell reselection, or the terminal may also perform cell reselection based on the neighbor cell measurement method and the target cell selection method provided in the embodiment of the present disclosure.
  • the terminal may measure neighbor cells based on location information, and determine the target cell based on the distance between the terminal and the target cell.
  • the network device provides the distance threshold Rx to the terminal, and the network device may send the Rx to the terminal through a system message and/or an RRC release message.
  • the distance R between the terminal and the serving cell, R may be the distance between the terminal and the satellite corresponding to the serving cell, or the distance between the terminal and the center of the serving cell.
  • the terminal ignores the distance threshold provided by the network device and always measures the neighbor cell.
  • the target cell can be selected based on the distance between the terminal and the target cell. For example, the terminal can calculate the distance between the terminal and multiple target cells, and then select the cell with the smallest distance as the target cell. The terminal calculates the ratio of the distance to the multiple target cells to the coverage radius of the cell, and the terminal selects the cell with the smallest ratio as the target cell. .
  • the terminal may measure neighbor cells based on location information, and determine the target cell based on the R criterion and the distance between the terminal and the target cell.
  • the network device provides the distance threshold Rx to the terminal, and the network device may send the Rx to the terminal through a system message and/or an RRC release message.
  • the distance R between the terminal and the serving cell, R may be the distance between the terminal and the satellite corresponding to the serving cell, or the distance between the terminal and the center of the serving cell.
  • the terminal ignores the distance threshold provided by the network device and always measures the neighbor cell.
  • the target cell can be determined based on the R criterion and the distance between the terminal and the target cell. For example, the terminal selects N cells according to the R criterion, and then selects the cell with the smallest distance from the terminal from the N cells as the target cell. The terminal selects N cells according to the R criterion, then the terminal determines the ratio of the distance from the terminal to the N cells to the coverage radius of the cell, and the terminal selects the cell with the smallest ratio as the target cell.
  • the terminal may choose to measure the neighbor cell.
  • the target cell may be determined based on one or more of the R criterion and the distance between the terminal and the target cell. For example, the terminal selects N cells according to the R criterion, and then selects the cell with the smallest distance from the terminal from the N cells as the target cell. The terminal selects N cells according to the R criterion, then the terminal determines the ratio of the distance from the terminal to the N cells to the coverage radius of the cell, and the terminal selects the cell with the smallest ratio as the target cell.
  • an embodiment of the present disclosure also provides a cell reselection method, and the cell reselection method can be performed by a network device.
  • the network device may send parameter information for instructing the terminal to perform cell reselection based on the location information to the terminal, so that the terminal can use the parameter information sent by the network device. , and perform cell reselection based on the parameter information and the location information of the terminal.
  • Fig. 14 is a flowchart showing a method for cell reselection according to an exemplary embodiment. As shown in FIG. 14 , the cell reselection method can be performed by a network device, and includes the following steps.
  • step S121 a first message is sent, where the first message is used to instruct the terminal to perform cell reselection parameter information based on the location information.
  • the parameter information used to instruct the terminal to perform cell reselection based on the location information may include at least one of the following: frequency of a neighbor cell, frequency of a serving cell, frequency priority of a neighbor cell, and frequency priority of a serving cell , distance threshold, and geographic range.
  • the network device may send the first message based on a system message and/or a radio resource control (Radio Resource Control, RRC) release (release) message.
  • RRC Radio Resource Control
  • the network device may send the frequency of the adjacent cell, the frequency of the serving cell, the frequency priority of the adjacent cell, and the frequency priority of the serving cell to the terminal through the first message level, so that the terminal can determine whether to measure the neighbor cell based on the frequency of the neighbor cell, the frequency of the serving cell, the frequency priority of the neighbor cell, the frequency priority of the serving cell, and the location information of the terminal.
  • the network device may indicate to the terminal a distance threshold for performing cell measurement through the first message.
  • the terminal receives the distance threshold value sent by the network device, so that the terminal determines whether to measure the neighbor cell based on the distance between the terminal and the serving cell and the distance threshold value.
  • the network device may indicate to the terminal a distance threshold for cell measurement, a frequency priority of a neighbor cell, and a frequency priority of a serving cell to the terminal through the first message.
  • the terminal receives the distance threshold value, the frequency priority of the adjacent cell and the frequency priority of the serving cell sent by the network equipment, so that the terminal can be based on the distance between the terminal and the serving cell, the distance threshold value, the frequency priority of the adjacent cell and The frequency priority of the serving cell determines whether to measure the neighbor cell.
  • the network device may indicate to the terminal a distance threshold value for cell measurement, the frequency of the neighboring cell, and the frequency of the serving cell to the terminal through the first message.
  • the terminal receives the distance threshold value, the frequency of the adjacent cell and the frequency of the serving cell sent by the network equipment, so that the terminal can determine the distance between the terminal and the serving cell, the distance threshold value, the frequency of the adjacent cell and the frequency of the serving cell. Whether to measure neighbor cells.
  • the terminal determines the location information of the terminal, and uses the location information of the terminal to perform cell reselection.
  • the location information includes at least one of the distance between the terminal and the cell and the geographic location where the terminal is located. It can relatively accurately determine that the terminal is located at the edge of the cell, so cell reselection can be performed relatively timely.
  • the cell reselection method provided in the embodiments of the present disclosure is also applicable to the process in which the terminal and the network device interact to realize the cell reselection.
  • the terminal and the network device In the process of realizing cell reselection by the interaction between the terminal and the network device, the terminal and the network device each have the functions involved in the above-mentioned embodiments. Therefore, for the process of realizing the cell reselection through the interaction between the terminal and the network device, reference may be made to the relevant descriptions of the above-mentioned embodiments. This will not be described in detail.
  • an embodiment of the present disclosure also provides a cell reselection apparatus.
  • the apparatus for cell reselection provided by the embodiments of the present disclosure includes corresponding hardware structures and/or software modules for executing each function.
  • the embodiments of the present disclosure can be implemented in hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the technical solutions of the embodiments of the present disclosure.
  • Fig. 15 is a block diagram of a cell reselection apparatus according to an exemplary embodiment. 15 , the cell reselection apparatus 100 includes a processing unit 101 .
  • the processing unit 101 is configured to determine location information of the terminal, where the location information includes at least one of a distance between the terminal and a cell and a geographic location where the terminal is located, and performs cell reselection according to the location information.
  • the processing unit 101 is configured to perform measurements on neighboring cells.
  • the processing unit 101 in response to the frequency priority of the neighbor cell being higher than the frequency priority of the serving cell, performs side measurement on the neighbor cell.
  • the processing unit 101 measures the neighboring cells based on the location information.
  • the cell reselection apparatus 100 further includes a receiving unit 102, the receiving unit 102 is configured to receive a first message sent by a network device, where the first message is used to instruct the terminal to perform cell reselection based on location information. parameter information .
  • the location information includes the distance between the terminal and the serving cell, and the first message is used to indicate the distance threshold.
  • the processing unit 101 Measure the neighbor cells.
  • the location information includes the distance between the terminal and the serving cell
  • the first message is used to indicate the distance threshold.
  • the distance between the terminal and the serving cell is greater than the distance threshold, and the serving cell selection level
  • the processing unit 101 measures the neighboring cell.
  • the location information includes a geographic location where the terminal is located, and the first message is used to indicate a geographic location range.
  • the processing unit 101 assigns a value to the adjacent cell. Take measurements.
  • the location information includes a geographic location where the terminal is located, and the first message is used to indicate a geographic location range.
  • the geographic location where the terminal is located is within the geographic location range, and the cell selection level is less than or equal to the activation
  • the processing unit 101 measures the neighboring cell.
  • the processing unit 101 determines the target cell according to the location information.
  • the location information includes the distance between the terminal and the target cell.
  • Determine the target cell according to the location information including at least one of the following:
  • the distances between the terminal and multiple cells are determined, and the cell with the smallest distance among the multiple distances is used as the target cell.
  • the distances between the terminal and the multiple cells are determined, and the ratios between the respective distances among the multiple distances and their corresponding cell coverage radii are respectively determined, and the cell with the smallest ratio among the multiple ratios is used as the target cell.
  • the location information includes the distance between the terminal and the target cell.
  • Determine the target cell according to the location information including at least one of the following:
  • N cells are determined, and from the N cells, the cell with the smallest distance from the terminal is selected as the target cell.
  • N cells are determined, and from the N cells, the cell with the smallest ratio is selected as the target cell, and the ratio is the ratio between the distance between the terminal and the cell and the coverage radius of the cell.
  • the N cells determined according to the R criterion for cell reselection satisfy one of the following conditions:
  • the cell selection level is greater than 0 and the cell selection quality of the cell is greater than 0.
  • the distance between the terminal and the cell is less than the distance threshold, or the ratio of the distance between the terminal and the cell to the coverage radius of the cell is less than the ratio threshold.
  • the distance between the terminal and the cell is less than the distance threshold, or the ratio of the distance between the terminal and the cell to the coverage radius of the cell is less than the ratio threshold, and the cell selection level is greater than 0, and the cell selection quality of the cell is greater than 0.
  • the processing unit 101 is further configured to: reselect to the target cell.
  • the target cell is determined according to the location information, including at least one of the following:
  • the cell closest to the terminal is selected as the target cell.
  • the cell closest to the terminal is selected as the target cell.
  • the receiving unit 102 receives the first message sent by the network device based on the system message and/or the radio resource control release message.
  • Fig. 16 is a block diagram of a cell reselection apparatus according to an exemplary embodiment. 16 , the cell reselection apparatus 200 includes a sending unit 201.
  • the sending unit 201 is configured to send a first message, where the first message is used to indicate parameter information for cell reselection based on location information, where the location information includes the distance between the terminal and the cell, and at least one of the geographic locations where the terminal is located. one.
  • the first message is used to indicate at least one of a distance threshold and a geographic location range.
  • the sending unit 201 sends the first message based on the system message and/or the radio resource control release message.
  • FIG. 17 is a block diagram of an apparatus 300 for cell reselection according to an exemplary embodiment.
  • apparatus 300 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • apparatus 300 may include one or more of the following components: processing component 302, memory 304, power component 306, multimedia component 308, audio component 310, input/output (I/O) interface 312, sensor component 314, and Communication component 316 .
  • the processing component 302 generally controls the overall operation of the device 300, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 302 may include one or more processors 320 to execute instructions to perform all or some of the steps of the methods described above. Additionally, processing component 302 may include one or more modules that facilitate interaction between processing component 302 and other components. For example, processing component 302 may include a multimedia module to facilitate interaction between multimedia component 308 and processing component 302 .
  • Memory 304 is configured to store various types of data to support operations at device 300 . Examples of such data include instructions for any application or method operating on device 300, contact data, phonebook data, messages, pictures, videos, and the like. Memory 304 may be implemented by any type of volatile or non-volatile storage device or 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 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
  • Magnetic or Optical Disk Magnetic Disk
  • Power component 306 provides power to various components of device 300 .
  • Power components 306 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to device 300 .
  • Multimedia component 308 includes screens that provide an output interface between the device 300 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 a user.
  • the touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • the multimedia component 308 includes a front-facing camera and/or a rear-facing camera. When the apparatus 300 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 310 is configured to output and/or input audio signals.
  • audio component 310 includes a microphone (MIC) that is configured to receive external audio signals when device 300 is in operating modes, such as call mode, recording mode, and voice recognition mode. The received audio signal may be further stored in memory 304 or transmitted via communication component 316 .
  • audio component 310 also includes a speaker for outputting audio signals.
  • the I/O interface 312 provides an interface between the processing component 302 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 314 includes one or more sensors for providing status assessment of various aspects of device 300 .
  • the sensor assembly 314 can detect the open/closed state of the device 300, the relative positioning of components, such as the display and keypad of the device 300, and the sensor assembly 314 can also detect a change in the position of the device 300 or a component of the device 300 , the presence or absence of user contact with the device 300 , the orientation or acceleration/deceleration of the device 300 and the temperature change of the device 300 .
  • Sensor assembly 314 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 314 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 314 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 316 is configured to facilitate wired or wireless communication between apparatus 300 and other devices.
  • the device 300 may access a wireless network according to a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 316 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 316 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented according to 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
  • apparatus 300 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 A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 304 including instructions, executable by the processor 320 of the apparatus 300 to perform the method described above.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • FIG. 18 is a block diagram of an apparatus 400 for cell reselection according to an exemplary embodiment.
  • the apparatus 400 may be provided as a network device such as a base station or the like.
  • apparatus 400 includes a processing component 422, which further includes one or more processors, and a memory resource, represented by memory 432, for storing instructions executable by processing component 422, such as an application program.
  • An application program stored in memory 432 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 422 is configured to execute instructions to perform the above-described methods.
  • Device 400 may also include a power supply assembly 426 configured to perform power management of device 400 , a wired or wireless network interface 450 configured to connect device 400 to a network, and an input output (I/O) interface 458 .
  • Device 400 may operate according to an operating system stored in memory 432, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • a non-transitory computer-readable storage medium including instructions such as a memory 432 including instructions, executable by the processing component 422 of the apparatus 400 to perform the method described above is also provided.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • first, second, etc. are used to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish the same type of information from one another, and do not imply a particular order or level of importance. In fact, the expressions “first”, “second” etc. are used completely interchangeably.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information, without departing from the scope of the present disclosure.

Abstract

本公开是关于一种小区重选方法、小区重选装置及存储介质。小区重选方法，包括：确定终端的位置信息，所述位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项；根据所述位置信息，进行小区重选。通过本公开可以相对准确的确定出终端位于小区边缘的情况，故可以相对及时的进行小区重选。

Description

一种小区重选方法、小区重选装置及存储介质 技术领域
本公开涉及通信技术领域，尤其涉及一种小区重选方法、小区重选装置及存储介质。
背景技术
在相关通信技术中，支持基于陆地网络(terrestrial networks，TN)进行通信。在基于陆地网络进行通信时，终端主要基于S准则和R准则进行小区重选。例如，终端在进行小区的重选时，可以基于服务小区的信号质量对相邻小区服务质量进行测量，并基于R准则对相邻小区测量的结果进行排序，并基于测量结果和排序结果进行目标小区的重选。
对于TN网络，终端可以通过其测量的参考信号接收功率(reference signal received power，RSRP)，与小区中心的RSRP的明显差异来确定终端处于小区边缘，从而进行邻区测量和小区重选。
在新一代通信技术中，引入了非陆地网络(Non-terrestrial networks，NTN)。对于NTN网络，基于卫星进行通信。由于NTN网络的远近效应没有TN网络的信号远近效应明显。故，对于NTN网络，当卫星移动或终端移动，导致终端需要进行小区重选时，则无法及时准确的确定出终端是否处于小区边缘，需要进行邻区测量，可能会造成过晚的小区重选和在不同小区之间来回重选。
发明内容
为克服相关技术中存在的问题，本公开提供一种小区重选方法、小区重选装置及存储介质。
根据本公开实施例的第一方面，提供一种小区重选方法，应用于终端，所述小区重选方法包括：
确定终端的位置信息，所述位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项；根据所述位置信息，进行小区重选。
一种实施方式中，根据所述位置信息，进行小区重选，包括：对邻小区进行测量。
一种实施方式中，所述对邻小区进行测量，包括：
响应于邻小区的频率优先级高于服务小区的频率优先级，对邻小区进行侧量。
一种实施方式中，所述对邻小区进行测量，包括：
基于所述位置信息，对邻小区进行测量。
一种实施方式中，所述小区重选方法还包括：
接收网络设备发送的第一消息，所述第一消息用于指示所述终端基于位置信息进行小 区重选的参数信息。
一种实施方式中，所述位置信息包括终端与服务小区之间的距离，所述第一消息用于指示距离门限值。
所述基于所述位置信息，对邻小区进行测量，包括：
响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端与服务小区之间的距离大于距离门限值的情况下，对邻小区进行测量。
一种实施方式中，所述位置信息包括终端与服务小区之间的距离，所述第一消息用于指示距离门限值。
所述基于所述位置信息，对邻小区进行测量，包括：
响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端与服务小区之间的距离大于距离门限值，且服务小区选择电平小于或等于启动同频测量的参考信号接收功率信号电平门限值的情况下，对邻小区进行测量。
一种实施方式中，所述位置信息包括终端所处的地理位置，所述第一消息用于指示地理位置范围。
所述基于所述位置信息，对邻小区进行测量，包括：
响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端所处的地理位置位于地理位置范围的情况下，对邻小区进行测量。
一种实施方式中，所述位置信息包括终端所处的地理位置，所述第一消息用于指示地理位置范围。
所述基于所述位置信息，对邻小区进行测量，包括：
响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端所处的地理位置位于地理位置范围，且小区选择电平小于或等于启动同频测量的参考信号接收功率信号电平门限值的情况下，确定对邻小区进行测量。
一种实施方式中，根据所述位置信息，进行小区重选，包括：
根据所述位置信息，确定目标小区。
一种实施方式中，所述位置信息包括终端与目标小区之间的距离。
所述根据所述位置信息，确定目标小区，包括以下至少一项：
确定终端与多个小区之间的距离，并将多个距离中距离最小的小区作为目标小区；
确定终端与多个小区之间的距离，并分别确定多个距离中各个距离与各自对应的小区覆盖半径之间的比值，将多个比值中比值最小的小区作为目标小区。
一种实施方式中，所述位置信息包括终端与目标小区之间的距离。
所述根据所述位置信息，确定目标小区，包括以下至少一项：
根据小区重选的R准则，确定N个小区，并从所述N个小区中，选择与终端之间的距离最小的小区作为目标小区；
根据小区重选的R准则，确定N个小区，并从所述N个小区中，选择比值最小的小区作为目标小区，所述比值为终端与小区之间的距离与小区覆盖半径之间的比值。
一种实施方式中，根据小区重选的R准则确定的N个小区满足以下条件之一：
小区选择电平大于0且小区的小区选择质量大于0；终端与小区的距离小于距离门限值，或终端与小区的距离与小区覆盖半径的比值小于比值门限值；终端与小区的距离小于距离门限值，或终端与小区的距离与小区覆盖半径的比值小于比值门限值，且小区选择电平大于0，小区的小区选择质量大于0。
一种实施方式中，所述小区重选方法还包括：重选到所述目标小区。
一种实施方式中，所述根据所述位置信息，确定目标小区，包括以下至少一项：
选择距离所述终端最近的小区，作为目标小区；在满足小区重选的S准则的小区中，选择距离所述终端最近的小区，作为目标小区。
一种实施方式中，接收网络设备发送的第一消息，包括：
基于系统消息和/或无线资源控制释放消息，接收网络设备发送的第一消息。
根据本公开实施例第二方面，提供一种小区重选方法，应用于网络设备，所述小区重选方法包括：
发送第一消息，所述第一消息用于指示基于位置信息进行小区重选的参数信息；所述位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项。
一种实施方式中，所述第一消息用于指示距离门限值和地理位置范围中的至少一项。
一种实施方式中，所述发送第一消息，包括：基于系统消息和/或无线资源控制释放消息，发送第一消息。
根据本公开实施例第三方面，提供一种小区重选装置，所述小区重选装置包括：
处理单元，被配置为确定终端的位置信息，所述位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项，并根据所述位置信息，进行小区重选。
一种实施方式中，处理单元被配置为对邻小区进行测量。
一种实施方式中，响应于邻小区的频率优先级高于服务小区的频率优先级，处理单元对邻小区进行侧量。
一种实施方式中，处理单元基于所述位置信息，对邻小区进行测量。
一种实施方式中，所述小区重选装置还包括接收单元，该接收单元被配置为接收网络设备发送的第一消息，所述第一消息用于指示所述终端基于位置信息进行小区重选的参数信息。
一种实施方式中，所述位置信息包括终端与服务小区之间的距离，所述第一消息用于指示距离门限值。
响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端与服务小区之间的距离大于距离门限值的情况下，处理单元对邻小区进行测量。
一种实施方式中，所述位置信息包括终端与服务小区之间的距离，所述第一消息用于指示距离门限值。响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端与服务小区之间的距离大于距离门限值，且服务小区选择电平小于或等于启动同频测量的参考信号接收功率信号电平门限值的情况下，处理单元对邻小区进行测量。
一种实施方式中，所述位置信息包括终端所处的地理位置，所述第一消息用于指示地理位置范围。响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端所处的地理位置位于地理位置范围的情况下，处理单元对邻小区进行测量。
一种实施方式中，所述位置信息包括终端所处的地理位置，所述第一消息用于指示地理位置范围。响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端所处的地理位置位于地理位置范围，且小区选择电平小于或等于启动同频测量的参考信号接收功率信号电平门限值的情况下，处理单元对邻小区进行测量。
一种实施方式中，处理单元根据所述位置信息，确定目标小区。
一种实施方式中，所述位置信息包括终端与目标小区之间的距离。
所述根据所述位置信息，确定目标小区，包括以下至少一项：
确定终端与多个小区之间的距离，并将多个距离中距离最小的小区作为目标小区；
确定终端与多个小区之间的距离，并分别确定多个距离中各个距离与各自对应的小区覆盖半径之间的比值，将多个比值中比值最小的小区作为目标小区。
一种实施方式中，所述位置信息包括终端与目标小区之间的距离。
所述根据所述位置信息，确定目标小区，包括以下至少一项：
根据小区重选的R准则，确定N个小区，并从所述N个小区中，选择与终端之间的距离最小的小区作为目标小区；
根据小区重选的R准则，确定N个小区，并从所述N个小区中，选择比值最小的小区作为目标小区，所述比值为终端与小区之间的距离与小区覆盖半径之间的比值。
一种实施方式中，根据小区重选的R准则确定的N个小区满足以下条件之一：
小区选择电平大于0且小区的小区选择质量大于0；终端与小区的距离小于距离门限值，或终端与小区的距离与小区覆盖半径的比值小于比值门限值；终端与小区的距离小于距离门限值，或终端与小区的距离与小区覆盖半径的比值小于比值门限值，且小区选择电平大于0，小区的小区选择质量大于0。
一种实施方式中，处理单元还被配置为：重选到所述目标小区。
一种实施方式中，所述根据所述位置信息，确定目标小区，包括以下至少一项：
选择距离所述终端最近的小区，作为目标小区；在满足小区重选的S准则的小区中，选择距离所述终端最近的小区，作为目标小区。
一种实施方式中，接收单元基于系统消息和/或无线资源控制释放消息，接收网络设备发送的第一消息。
根据本公开实施例第四方面，提供一种小区重选装置，所述小区重选装置包括：
发送单元，被配置为发送第一消息，所述第一消息用于指示基于位置信息进行小区重选的参数信息，所述位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项。
一种实施方式中，所述第一消息用于指示距离门限值和地理位置范围中的至少一项。
一种实施方式中，所述发送单元基于系统消息和/或无线资源控制释放消息，发送第一消息。
根据本公开实施例第五方面，提供一种小区重选装置，包括：
处理器；用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为：执行第一方面或者第一方面任意一种实施方式中所述的小区重选方法。
根据本公开实施例第六方面，提供一种小区重选装置，包括：
处理器；用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为：执行第二方面或者第二方面任意一种实施方式中所述的小区重选方法。
根据本公开实施例第七方面，提供一种存储介质，所述存储介质中存储有指令，当所 述存储介质中的指令由终端的处理器执行时，使得终端能够执行第一方面或者第一方面任意一种实施方式中所述的小区重选方法。
根据本公开实施例第八方面，提供一种存储介质，所述存储介质中存储有指令，当所述存储介质中的指令由网络设备的处理器执行时，使得网络设备能够执行第二方面或者第二方面任意一种实施方式中所述的小区重选方法。
本公开的实施例提供的技术方案可以包括以下有益效果：终端确定终端的位置信息，并利用终端的位置信息来进行小区重选。位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项，可以相对准确的确定出终端位于小区边缘的情况，故可以相对及时的进行小区重选。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并与说明书一起用于解释本公开的原理。
图1是根据一示例性实施例示出的一种无线通信系统示意图。
图2A示出了本公开一示例性实施例中TN网络的网络架构以及远近效应示意图。
图2B示出了本公开一示例性实施例中NTN网络的网络架构以及远近效应示意图。
图3是根据一示例性实施例示出的一种小区重选方法的流程图。
图4是根据一示例性实施例示出的一种小区重选方法的流程图。
图5是根据一示例性实施例示出的一种小区重选方法的流程图。
图6是根据一示例性实施例示出的一种小区重选方法的流程图。
图7是根据一示例性实施例示出的一种小区重选方法的流程图。
图8是根据一示例性实施例示出的一种小区重选方法的流程图。
图9是根据一示例性实施例示出的一种小区重选方法的流程图。
图10是根据一示例性实施例示出的一种小区重选方法的流程图。
图11是根据一示例性实施例示出的一种小区重选方法的流程图。
图12是根据一示例性实施例示出的一种小区重选方法的流程图。
图13是根据一示例性实施例示出的一种小区重选方法的流程图。
图14是根据一示例性实施例示出的一种小区重选方法的流程图。
图15是根据一示例性实施例示出的一种小区重选装置的框图。
图16是根据一示例性实施例示出的一种小区重选装置的框图。
图17是根据一示例性实施例示出的一种用于小区重选的装置的框图。
图18是根据一示例性实施例示出的一种用于小区重选的装置的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
本公开实施例提供的小区重选方法可应用于图1所示的无线通信系统中。参阅图1所示，该无线通信系统中包括终端和网络设备。终端和网络设备之间通过无线资源进行信息的发送与接收。
可以理解的是，图1所示的无线通信系统仅是进行示意性说明，无线通信系统中还可包括其它网络设备，例如还可以包括核心网设备、无线中继设备和无线回传设备等，在图1中未画出。本公开实施例对该无线通信系统中包括的网络设备数量和终端数量不做限定。
进一步可以理解的是，本公开实施例的无线通信系统，是一种提供无线通信功能的网络。无线通信系统可以采用不同的通信技术，例如码分多址(code division multiple access,CDMA)、宽带码分多址(wideband code division multiple access，WCDMA)、时分多址(time division multiple access，TDMA)、频分多址(frequency division multiple access，FDMA)、正交频分多址(orthogonal frequency-division multiple access，OFDMA)、单载波频分多址(single Carrier FDMA，SC-FDMA)、载波侦听多路访问/冲突避免(Carrier Sense Multiple Access with Collision Avoidance)。根据不同网络的容量、速率、时延等因素可以将网络分为2G(英文：generation)网络、3G网络、4G网络或者未来演进网络，如5G网络，5G网络也可称为是新无线网络(New Radio，NR)。为了方便描述，本公开有时会将无线通信网络简称为网络。
进一步的，本公开中涉及的网络设备也可以称为无线接入网设备。该无线接入网设备可以是：基站、演进型基站(evolved node B，基站)、家庭基站、无线保真(wireless fidelity，WIFI)系统中的接入点(access point，AP)、无线中继节点、无线回传节点、传输点(transmission point，TP)或者发送接收点(transmission and reception point，TRP)等，还可以为NR系统中的gNB，或者，还可以是构成基站的组件或一部分设备等。当为车联网(V2X)通信系统时，网络设备还可以是车载设备。应理解，本公开的实施例中，对网络设备所采用的具体技术和具体设备形态不做限定。
进一步的，本公开中涉及的终端，也可以称为终端设备、用户设备(User Equipment， UE)、移动台(Mobile Station，MS)、移动终端(Mobile Terminal，MT)等，是一种向用户提供语音和/或数据连通性的设备，例如，终端可以是具有无线连接功能的手持式设备、车载设备等。目前，一些终端的举例为：智能手机(Mobile Phone)、口袋计算机(Pocket Personal Computer，PPC)、掌上电脑、个人数字助理(Personal Digital Assistant，PDA)、笔记本电脑、平板电脑、可穿戴设备、或者车载设备等。此外，当为车联网(V2X)通信系统时，终端设备还可以是车载设备。应理解，本公开实施例对终端所采用的具体技术和具体设备形态不做限定。
终端与网络设备进行通信过程中会进行小区的选择或重选。本公开实施例主要适用于进行小区选择或重选的过程。相关技术中，例如，5G NR中，针对小区选择或重选涉及S准则和R准则。
其中，S准则主要是指S rxlev>0并且S qual>0。其中，S rxlev为小区选择电平，S qual为小区选择质量。终端选择或重选的小区需要满足S准则。
其中，终端根据上述S准则，确定何时对邻小区进行测量，具体的规则如下：
对于同频邻小区测量，如果服务小区满足S rxlev>S IntraSearchP，则终端可以选择不对邻小区进行测量，反之，终端需要对邻小区进行测量。其中S IntraSearchP为用于启动同频测量的RSRP信号电平门限值。
对于异频邻小区测量，如果邻小区的频率优先级小于或等于服务小区的频率优先级，那么如果服务小区的S rxlev>S nonIntraSearchP，则终端可以选择不对邻小区进行测量，反之，终端需要对邻小区进行测量。其中S nonIntraSearchP为用于启动异频测量的RSRP信号电平门限值。
其中，R准则主要是指：
Rs＝Q meas,s+Q hyst–Q offsettemp，Rn＝Q meas,n-Q offset-Q offsettemp
其中，Rs为服务小区的R值，Rn为邻小区的R值，Q meas,s为服务小区的RSRP测量值，Q meas,n为邻小区的RSRP测量值，Q hyst为小区重选迟滞值，Q offsettemp为临时偏移值；Q offset为偏移值。
当终端对邻小区进行测量时，会根据上述R准则计算每个小区的R值，并且终端只对满足S准则的邻小区进行R准则排序。
上述基于S准则和R准则进行小区重选的方式主要适用于TN网络。但是随着通信技术的发展，引入了NTN网络。对于NTN网络的网络特点是基于卫星，并且进行通信小区半径大。NTN网络和TN网络在远近效应方面有着明显的不同。图2A示出了本公开一示例性实施例中TN网络的网络架构以及远近效应示意图。图2B示出了本公开一示例性实 施例中NTN网络的网络架构以及远近效应示意图。参阅图2A和图2B可知，基于终端相对小区的位置，可以有远端终端(Far-UE)，也可以有近端终端(Near-UE)。其中，远端终端可以理解为是处于小区边缘的终端。近端终端可以理解为是处于小区内的终端。进一步的，终端接收信号强度(Received signal strength)与终端和小区之间的距离之间的对应关系，可以体现远近效应。参阅图2A和图2B可知，NTN网络的远近效应没有TN网络的信号远近效应明显。并且，对于小区半径大的NTN网络，终端在小区中心或者边缘，其RSRP或参考信号接收质量(reference signal received quality，RSRQ)差异较小，并且小区半径大导致其小区重叠面积较大。因此，对于TN网络，终端可以通过其测量的RSRP与小区中心的RSRP的明显差异来确定其处于小区边缘，从而进行邻区测量和小区重选。但是对于NTN网络，当卫星移动或终端移动到导致终端需要进行小区重选的位置时，则没有像TN网络一样明显的远近效益，基于S准则和R准则进行小区重选，可能会造成过晚的小区重选，并且还可能会导致终端来回在两个小区进行小区重选。
故，针对NTN网络，由于其网络特点，基于S准则和R准则进行小区重选的方式，不能很好解决终端在NTN网络进行小区选择或重选时遇到的问题。
本公开实施例提供一种小区重选方法，在该小区重选方法中，终端可以基于终端的位置信息进行小区选择或重选。例如，当终端确定位于地理上的小区边缘时，即进行小区重选。
一种实施方式中，本公开实施例中终端基于终端的位置信息进行小区选择或重选时，可以确定触发终端对邻小区进行测量或不进行测量。
其中，终端对邻小区进行测量可以包括获取邻小区标识(ID)，获取小区系统消息，测量小区信号质量等其中的一种或几种。
另一种实施方式中，本公开实施例中基于终端的位置信息进行小区选择或重选时，可以确定目标小区。
图3是根据一示例性实施例示出的一种小区重选方法的流程图。如图3所示，小区重选方法可以由终端执行，包括以下步骤。
在步骤S11中，确定终端的位置信息。
本公开实施例中涉及的位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项。其中，终端与小区之间的距离可以包括终端与小区对应的卫星之间的距离，或者也可以包括终端与服务小区中心之间的距离，或者也可以包括终端与目标小区中心之间的距离。
在步骤S12中，根据终端的位置信息，进行小区重选。
本公开实施例中，终端根据终端的位置信息进行小区重选可以是包括终端确定是否对邻小区进行测量，即确定对邻小区进行测量，或者确定不对邻小区测量。
其中，终端在确定对邻小区测量的情况下，可以理解为是终端进行小区重选的一种实施过程。
图4是根据一示例性实施例示出的一种小区重选方法的流程图。如图4所示，小区重选方法可以由终端执行，其中，根据终端的位置信息，进行小区重选包括以下步骤。
在步骤S21中，对邻小区进行测量。
一种实施方式中，本公开实施例提供的小区重选方法中，在根据终端的位置信息进行小区重选时，可以根据邻小区的频率优先级与服务小区的频率优先级，对邻小区进行测量。
另一种实施方式中，本公开实施例提供的小区重选方法中，在根据终端的位置信息进行小区重选时，可以根据邻小区的频率优先级与服务小区的频率优先级，确定不对邻小区进行测量。
其中，邻小区的频率优先级和服务小区的频率优先级可以是网络设备配置给终端的。
一种实施方式中，本公开实施例中，在根据终端的位置信息进行小区重选时，若邻小区的频率优先级高于服务小区的频率优先级时，则可以确定对邻小区进行测量。
图5是根据一示例性实施例示出的一种小区重选方法的流程图。如图5所示，小区重选方法可以由终端执行，包括以下步骤。
在步骤S31中，响应于邻小区的频率优先级高于服务小区的频率优先级，对邻小区进行侧量。
本公开实施例中，在根据邻小区的频率优先级与服务小区的频率优先级，确定是否对邻小区进行测量时，若确定邻小区的频率优先级高于服务小区的频率优先级，则确定需要对邻小区进行侧量，而无需考虑其他条件。该用于确定是否需要对邻小区进行测量的其他条件诸如可以是终端的位置信息等。
本公开实施例提供的小区重选方法中，一种实施方式中可以基于终端的位置信息确定是否对邻小区进行测量。
图6是根据一示例性实施例示出的一种小区重选方法的流程图。如图6所示，小区重选方法可以由终端执行，包括以下步骤。
在步骤S41中，基于终端的位置信息，对邻小区进行测量。
本公开实施例中，基于终端的位置信息确定对邻小区进行测量，或者确定不对邻小区进行测量时，一方面可以是基于终端与小区之间的距离，确定对邻小区进行测量。或者是基于终端与小区之间的距离确定不对邻小区进行测量。例如，可以基于终端与服务小区之 间的距离，对邻小区进行测量。或者是基于终端与服务小区之间的距离确定不对邻小区进行测量。
另一方面，终端可以是基于终端所处的地理位置，确定对邻小区进行测量。或者是基于终端所处的地理位置确定不对邻小区进行测量。例如，可以是在确定终端所处的地理位置位于进行小区测量的地理范围内时，确定对邻小区进行测量。在确定终端所处的地理位置不在进行小区测量的地理范围时，确定不对邻小区进行测量。
本公开实施例提供的小区重选方法中，网络设备可以向终端发送用于指示终端基于位置信息进行小区重选的参数信息。终端基于网络设备发送的参数信息，并基于该参数信息以及终端的位置信息进行小区重选。例如，对邻小区进行测量，或不对邻小区进行测量。
图7是根据一示例性实施例示出的一种小区重选方法的流程图。如图7所示，小区重选方法可以由网络设备执行，包括以下步骤。
在步骤S51中，接收网络设备发送的第一消息。
第一消息用于指示终端基于位置信息进行小区重选的参数信息。
本公开实施例中，用于指示终端基于位置信息进行小区重选的参数信息可以包括以下至少一项：邻小区的频率、服务小区的频率、邻小区的频率优先级、服务小区的频率优先级、距离门限值以及地理位置范围。
其中，终端可以基于系统消息和/或无线资源控制(Radio Resource Control，RRC)释放(release)消息，接收网络设备发送的第一消息。
本公开实施例提供的小区重选方法中，一种实施方式中可以基于邻小区的频率、服务小区的频率、邻小区的频率优先级、服务小区的频率优先级以及终端的位置信息，确定是否对邻小区进行测量。
一种实施方式中，本公开实施例中可以在确定邻小区的频率优先级低于服务小区的频率优先级的情况下，基于终端的位置信息确定是否对邻小区进行测量。
另一种实施方式中，本公开实施例提供的小区重选方法，在确定邻小区的频率与服务小区的频率相同的情况下，基于终端的位置信息确定是否对邻小区进行测量。
本公开实施例中，基于终端的位置信息确定是否对邻小区进行测量时，可以是基于终端与服务小区之间的距离确定是否对邻小区进行测量。
一种实施方式中，网络设备可以通过第一消息向终端指示用于进行小区测量的距离门限值。终端接收网络设备发送的距离门限值。终端基于终端与服务小区之间的距离，以及距离门限值确定是否对邻小区进行测量。
另一种实施方式中，网络设备可以通过第一消息向终端指示用于进行小区测量的距离 门限值、邻小区的频率优先级以及服务小区的频率优先级。终端接收网络设备发送的距离门限值、邻小区的频率优先级以及服务小区的频率优先级。终端基于终端与服务小区之间的距离、距离门限值、邻小区的频率优先级以及服务小区的频率优先级，确定是否对邻小区进行测量。
又一种实施方式中，网络设备可以通过第一消息向终端指示用于进行小区测量的距离门限值。终端接收网络设备发送的距离门限值、邻小区的频率以及服务小区的频率。终端基于终端与服务小区之间的距离、距离门限值、邻小区的频率以及服务小区的频率，确定是否对邻小区进行测量。
图8是根据一示例性实施例示出的一种小区重选方法的流程图。如图8所示，小区重选方法可以由终端执行，包括以下步骤。
在步骤S61中，响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端与服务小区之间的距离大于距离门限值，且服务小区选择电平小于或等于启动同频测量的参考信号接收功率信号电平门限值的情况下，对邻小区进行测量。
一示例中，终端基于终端与服务小区的距离确定是否对邻小区测量时，网络设备向终端提供距离门限值Rx。其中，网络设备可以通过系统消息和/或RRC release消息将Rx发送给终端。
假设终端与服务小区的距离为R。其中，R可以为终端与服务小区对应的卫星的距离，或终端与服务小区中心的距离；
其中，一方面，如果邻小区的频率优先级低于服务小区，或者邻小区的频率与服务小区相同，终端对邻小区进行测量的条件为R>Rx。即当R>Rx时，终端对邻小区进行测量。可以理解的是，此时终端进行邻小区测量，不要求服务小区满足S rxlev<＝S IntraSearchP。
另一方面，如果邻小区的频率优先级低于服务小区，或者邻小区的频率与服务小区相同，终端对邻小区进行测量的条件为R>Rx，且服务小区不满足S IntraSearchP。即当R>Rx且S rxlev<＝S IntraSearchP时，终端对邻小区进行测量。
又一方面，如果邻小区的频率优先级高于服务小区，则终端忽略网络设备提供的距离门限，一直对邻小区进行测量。
本公开实施例中，基于终端的位置信息确定是否对邻小区进行测量时，可以是基于终端所处的地理位置确定是否对邻小区进行测量。
一种实施方式中，网络设备可以通过第一消息向终端指示用于进行小区测量的地理位置范围。终端接收网络设备发送的地理位置范围。终端基于终端所处的地理位置，以及地 理位置范围确定是否对邻小区进行测量。
另一种实施方式中，网络设备可以通过第一消息向终端指示用于进行小区测量的地理位置范围、邻小区的频率优先级以及服务小区的频率优先级。终端接收网络设备发送的地理位置范围、邻小区的频率优先级以及服务小区的频率优先级。终端基于终端所处的地理位置、地理位置范围、邻小区的频率优先级以及服务小区的频率优先级，确定是否对邻小区进行测量。
又一种实施方式中，网络设备可以通过第一消息向终端指示用于进行小区测量的地理位置范围、邻小区的频率以及服务小区的频率。终端接收网络设备发送的地理位置范围、邻小区的频率以及服务小区的频率。终端基于终端所处的地理位置、地理位置范围、邻小区的频率以及服务小区的频率，确定是否对邻小区进行测量。
图9是根据一示例性实施例示出的一种小区重选方法的流程图。如图9所示，小区重选方法可以由终端执行，包括以下步骤。
在步骤S71中，响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端所处的地理位置位于地理位置范围的情况下，对邻小区进行测量。
一示例中，终端基于终端与服务小区的距离确定是否对邻小区测量时，网络设备向终端提供地理位置范围信息。其中，网络设备可以通过系统消息和/或RRC release消息将地理位置范围信息发送给终端。
其中，一方面，如果邻小区的频率优先级低于服务小区，或者邻小区的频率与服务小区相同，在终端所处的地理位置位于地理位置范围的情况下，终端对邻小区进行测量。
另一方面，如果邻小区的频率优先级低于服务小区，或者邻小区的频率与服务小区相同，在终端所处的地理位置位于地理位置范围，且服务小区不满足S rxlev>S IntraSearchP。即S rxlev<＝S IntraSearchP时，终端对邻小区进行测量。
又一方面，如果邻小区的频率优先级高于服务小区，则终端忽略网络设备提供的地理范围信息，一直对邻小区进行测量。
本公开实施例提供的一种小区重选方法中，可以基于服务小区的电平，对邻小区进行测量。
其中，服务小区的不同电平会对应包括有不同频率优先级。对于同频邻小区测量，如果服务小区的S rxlev>S IntraSearchP，则终端可以选择不对邻小区进行测量。反之，终端需要对邻小区进行测量。对于异频邻小区测量，如果邻小区的频率优先级小于等于服务小区的频率优先级，那么如果服务小区的S rxlev>S nonIntraSearchP，则终端可以选择不对邻小区进行测量。 反之，终端需要对邻小区进行测量。
本公开实施例提供的小区重选方法中，终端基于终端的位置信息进行小区重选的过程中，可以包括终端根据位置信息确定目标小区，即终端可以进行目标小区的选择。
图10是根据一示例性实施例示出的一种小区重选方法的流程图。如图10所示，小区重选方法可以由终端执行，包括以下步骤。
在步骤S81中，根据终端的位置信息，确定目标小区。
本公开实施例中，终端根据位置信息确定目标小区时，可以采用如下方式中的至少一种方式：
方式一：根据终端与小区(目标小区)之间的距离，确定目标小区。
方式二：根据R准则，确定目标小区。
方式三：根据R准则、终端与目标小区之间的距离，确定目标小区。
本公开实施例一种实施方式中，终端根据位置信息确定目标小区时，终端可以根据终端与小区(目标小区)之间的距离，确定目标小区。
图11是根据一示例性实施例示出的一种小区重选方法的流程图。如图11所示，小区重选方法可以由终端执行，包括以下步骤。
在步骤S91中，根据终端与目标小区之间的距离，确定目标小区。
一种实施方式中，本公开实施例终端根据终端与目标小区之间的距离，确定目标小区，包括以下至少一种方式：
方式一：终端确定终端与多个小区之间的距离，并将多个距离中距离最小的小区作为目标小区。即，终端可以计算终端与多个目标小区之间的距离，然后选择距离最小的小区为目标小区。
方式二：终端确定终端与多个小区之间的距离，并分别确定多个距离中各个距离与各自对应的小区覆盖半径之间的比值，将多个比值中比值最小的小区作为目标小区。即，终端计算终端到多个目标小区的距离，以及该距离与小区覆盖半径的比值，终端选择比值最小的小区作为目标小区。
另一种实施方式中，本公开实施例中终端可以根据R准则，确定目标小区。
又一种实施方式中，本公开实施例中终端可以根据R准则，以及终端与目标小区之间的距离确定目标小区。
图12是根据一示例性实施例示出的一种小区重选方法的流程图。如图12所示，小区重选方法可以由终端执行，包括以下步骤。
在步骤S101中，根据R准则，以及终端与目标小区之间的距离，确定目标小区。
其中，终端根据R准则，以及终端与目标小区之间的距离，确定目标小区包括以下至少一种方式：
方式一：根据小区重选的R准则，确定N个小区，并从N个小区中，选择与终端之间的距离最小的小区作为目标小区。即，终端根据R准则选择N个小区，再从N个小区中选择与终端之间距离最小的小区为目标小区。
方式二：根据小区重选的R准则，确定N个小区，并从N个小区中，选择比值最小的小区作为目标小区，该比值为终端与小区之间的距离与小区覆盖半径之间的比值。即，根据R准则选择N个小区，终端再确定终端到N个小区的距离与小区覆盖半径的比值，终端选择比值最小的小区作为目标小区。
本公开实施例提供的小区重选方法中，根据小区重选的R准则所确定的N个小区需要满足如下条件之一：
(1)小区选择电平大于0且小区的小区选择质量大于0。即，终端根据已有的R准则，确定N个小区。即，终端选择目标小区计算R值时，目标小区必须满足S rxlev>0且S qual>0。
(2)终端与小区的距离小于距离门限值，或终端与小区的距离与小区覆盖半径的比值小于比值门限值。即，终端基于R准则进行目标小区选择并计算R值时，目标小区必须满足终端与目标小区的距离小于门限值。其中，该门限值由网络设备配置给终端。或目标小区的距离与小区覆盖半径的比值小于门限值。其中，该门限值由网络设备配置给终端。
(3)终端与小区的距离小于距离门限值，或终端与小区的距离与小区覆盖半径的比值小于比值门限值，且小区选择电平大于0，小区的小区选择质量大于0。即，终端进行目标小区选择时，目标小区必须满足终端与目标小区的距离小于门限值或目标小区的距离与小区覆盖半径的比值小于门限值，且目标小区必须满足S rxlev>0且S qual>0。其中，该门限值由网络设备配置给终端。
进一步的，本公开实施例提供的小区重选方法中，一方面，终端可以选择距离终端最近的小区，作为目标小区。另一方面，终端可以在满足小区重选的S准则的小区中，选择距离终端最近的小区，作为目标小区。
此种方式下，终端基于距离选择目标小区时，可以不使用R准则，而直接基于终端与小区之间的距离，选择距离终端最近的小区确定为目标小区。
可以理解的是，本公开实施例提供的小区重选的方法中，终端进行小区重选的过程可包括：重选到目标小区。
图13是根据一示例性实施例示出的一种小区重选方法的流程图。如图13所示，小区重选方法可以由终端执行，包括以下步骤。
在步骤S111中，终端重选到目标小区。
可以理解的是，本公开实施例提供的小区重选方法中，终端根据终端的位置信息进行小区重选的过程中可以涉及邻小区测量、目标小区确定以及重选到目标小区等过程中的一个或多个。
例如，本公开实施例一示例中，终端基于位置信息进行小区重选过程中，终端进行邻小区测量以及目标小区确定的过程中各个实施例之间可以实现各种组合方式进行实施。并且也可结合已有技术进行实施。比如，终端可以基于本公开实施例提供的邻小区测量方法并结合已有技术中目标小区选择的实施方式进行小区重选，或者终端也可以基于已有技术中邻小区测量的方法并结合本公开实施例提供的目标小区选择的实施方式进行小区重选，或者终端也可以基于本公开实施例提供的邻小区测量方法以及目标小区选择方法进行小区重选。
一示例中，本公开实施例提供的小区重选方法中，终端可以基于位置信息进行邻小区测量，并基于终端与目标小区的距离确定目标小区。比如，网络设备向终端提供距离门限值Rx，网络设备可以通过系统消息和/或RRC release消息将Rx发送给终端。终端与服务小区的距离R，R可以为终端与服务小区对应的卫星的距离，或终端与服务小区中心的距离。如果邻小区的频率优先级低于服务小区，或者邻小区的频率与服务小区相同，终端对邻小区进行测量的条件为R>Rx；即当R>Rx时，终端对邻小区进行测量。如果邻小区的频率优先级低于服务小区，或者邻小区的频率与服务小区相同，终端对邻小区进行测量的条件为R>Rx且服务小区不满足S rxlev>S IntraSearchP,即当R>Rx且S rxlev<＝S IntraSearchP时，终端对邻小区进行测量。如果邻小区的频率优先级高于服务小区，则终端忽略网络设备提供的距离门限，一直对邻小区进行测量。终端基于位置信息进行邻小区测量后，可以基于终端与目标小区的距离进行目标小区的选择。例如可以是终端计算终端与多个目标小区之间的距离，然后选择距离最小的小区为目标小区终端计算到多个目标小区的距离与小区覆盖半径的比值，终端选择比值最小的小区作为目标小区。
另一示例中，本公开实施例提供的小区重选方法中，终端可以基于位置信息进行邻小区测量，并基于R准则、以及终端与目标小区的距离确定目标小区。比如，网络设备向终端提供距离门限值Rx，网络设备可以通过系统消息和/或RRC release消息将Rx发送给终端。终端与服务小区的距离R，R可以为终端与服务小区对应的卫星的距离，或终端与服务小区中心的距离。如果邻小区的频率优先级低于服务小区，或者邻小区的频率与服务小区相同，终端对邻小区进行测量的条件为R>Rx；即当R>Rx时，终端对邻小区进行测量。如果邻小区的频率优先级低于服务小区，或者邻小区的频率与服务小区相同，终端对邻小 区进行测量的条件为R>Rx且服务小区不满足S rxlev>S IntraSearchP,即当R>Rx且S rxlev<＝S IntraSearchP时，终端对邻小区进行测量。如果邻小区的频率优先级高于服务小区，则终端忽略网络设备提供的距离门限，一直对邻小区进行测量。终端基于位置信息进行邻小区测量后，可以R准则、以及终端与目标小区的距离确定目标小区。比如，终端根据R准则选择N个小区，再从N个小区中选择与终端之间距离最小的小区为目标小区。终端根据R准则选择N个小区，终端再确定终端到N个小区的距离与小区覆盖半径的比值，终端选择比值最小的小区作为目标小区。
又一示例中，本公开实施例提供的小区重选方法中，终端可以基于相关技术的邻小区测量方法进行邻小区测量，并基于本公开实施例提供的目标小区选择方法进行目标小区选择。例如，本公开实施例中终端可以基于S准则确定是否对邻小区测量，并基于位置信息确定目标小区。比如，对于同频邻小区测量，如果服务小区满足S rxlev<＝S IntraSearchP，则终端可以选择对邻小区进行测量。对于异频邻小区测量，如果邻小区的频率优先级小于或等于服务小区的频率优先级，那么如果服务小区的S rxlev<＝S nonIntraSearchP，则终端可以选择对邻小区进行测量。终端基于S准则进行邻小区测量后，可以基于R准则、以及终端与目标小区的距离中的一项或多项，确定目标小区。比如，终端根据R准则选择N个小区，再从N个小区中选择与终端之间距离最小的小区为目标小区。终端根据R准则选择N个小区，终端再确定终端到N个小区的距离与小区覆盖半径的比值，终端选择比值最小的小区作为目标小区。
可以理解的是上述示例仅是进行示意性说明，其中邻小区测量与目标小区选择的过程可以有多种不同的组合方式，以便进行小区重选。
基于相同的构思，本公开实施例还提供了一种小区重选方法，该小区重选方法可以由网络设备执行。
其中，本公开实施例中本公开实施例提供的小区重选方法中，网络设备可以向终端发送用于指示终端基于位置信息进行小区重选的参数信息，以便于终端基于网络设备发送的参数信息，并基于该参数信息以及终端的位置信息进行小区重选。图14是根据一示例性实施例示出的一种小区重选方法的流程图。如图14所示，小区重选方法可以由网络设备执行，包括以下步骤。
在步骤S121中，发送第一消息，第一消息用于指示终端基于位置信息进行小区重选的参数信息。
本公开实施例中，用于指示终端基于位置信息进行小区重选的参数信息可以包括以下至少一项：邻小区的频率、服务小区的频率、邻小区的频率优先级、服务小区的频率优先 级、距离门限值以及地理位置范围。
其中，网络设备可以基于系统消息和/或无线资源控制(Radio Resource Control，RRC)释放(release)消息，发送第一消息。
本公开实施例提供的小区重选方法中，一种实施方式中，网络设备可以通过第一消息向终端发送邻小区的频率、服务小区的频率、邻小区的频率优先级、服务小区的频率优先级，以便于终端可以基于邻小区的频率、服务小区的频率、邻小区的频率优先级、服务小区的频率优先级以及终端的位置信息，确定是否对邻小区进行测量。
一种实施方式中，网络设备可以通过第一消息向终端指示用于进行小区测量的距离门限值。终端接收网络设备发送的距离门限值，以便于终端基于终端与服务小区之间的距离，以及距离门限值确定是否对邻小区进行测量。
另一种实施方式中，网络设备可以通过第一消息向终端指示用于进行小区测量的距离门限值、邻小区的频率优先级以及服务小区的频率优先级。终端接收网络设备发送的距离门限值、邻小区的频率优先级以及服务小区的频率优先级，以便于终端基于终端与服务小区之间的距离、距离门限值、邻小区的频率优先级以及服务小区的频率优先级，确定是否对邻小区进行测量。
又一种实施方式中，网络设备可以通过第一消息向终端指示用于进行小区测量的距离门限值、邻小区的频率以及服务小区的频率。终端接收网络设备发送的距离门限值、邻小区的频率以及服务小区的频率，以便于终端基于终端与服务小区之间的距离、距离门限值、邻小区的频率以及服务小区的频率，确定是否对邻小区进行测量。
本公开实施例提供的小区重选方法中，终端确定终端的位置信息，并利用终端的位置信息来进行小区重选。位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项，可以相对准确的确定出终端位于小区边缘的情况，故可以相对及时的进行小区重选。
可以理解的是，本公开实施例中提供的小区重选方法也适用于终端和网络设备进行交互实现小区重选的过程中。终端与网络设备交互实现小区重选的过程中，终端和网络设备各自具备上述实施例涉及的功能，故对于终端与网络设备交互实现小区重选的过程，可参阅上述实施例的相关描述，在此不再详述。
需要说明的是，本领域内技术人员可以理解，本公开实施例上述涉及的各种实施方式/实施例中可以配合前述的实施例使用，也可以是独立使用。无论是单独使用还是配合前述的实施例一起使用，其实现原理类似。本公开实施中，部分实施例中是以一起使用的实施方式进行说明的。当然，本领域内技术人员可以理解，这样的举例说明并非对本公开实施 例的限定。
基于相同的构思，本公开实施例还提供一种小区重选装置。
可以理解的是，本公开实施例提供的小区重选装置为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。结合本公开实施例中所公开的各示例的单元及算法步骤，本公开实施例能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。本领域技术人员可以对每个特定的应用来使用不同的方法来实现所描述的功能，但是这种实现不应认为超出本公开实施例的技术方案的范围。
图15是根据一示例性实施例示出的一种小区重选装置框图。参照图15，小区重选装置100包括处理单元101。
处理单元101，被配置为确定终端的位置信息，位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项，并根据位置信息，进行小区重选。
一种实施方式中，处理单元101被配置为对邻小区进行测量。
一种实施方式中，响应于邻小区的频率优先级高于服务小区的频率优先级，处理单元101对邻小区进行侧量。
一种实施方式中，处理单元101基于位置信息，对邻小区进行测量。
一种实施方式中，小区重选装置100还包括接收单元102，该接收单元102被配置为接收网络设备发送的第一消息，第一消息用于指示终端基于位置信息进行小区重选的参数信息。
一种实施方式中，位置信息包括终端与服务小区之间的距离，第一消息用于指示距离门限值。
响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端与服务小区之间的距离大于距离门限值的情况下，处理单元101对邻小区进行测量。
一种实施方式中，位置信息包括终端与服务小区之间的距离，第一消息用于指示距离门限值。响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端与服务小区之间的距离大于距离门限值，且服务小区选择电平小于或等于启动同频测量的参考信号接收功率信号电平门限值的情况下，处理单元101对邻小区进行测量。
一种实施方式中，位置信息包括终端所处的地理位置，第一消息用于指示地理位置范围。响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小 区的频率相同，在终端所处的地理位置位于地理位置范围的情况下，处理单元101对邻小区进行测量。
一种实施方式中，位置信息包括终端所处的地理位置，第一消息用于指示地理位置范围。响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端所处的地理位置位于地理位置范围，且小区选择电平小于或等于启动同频测量的参考信号接收功率信号电平门限值的情况下，处理单元101对邻小区进行测量。
一种实施方式中，处理单元101根据位置信息，确定目标小区。
一种实施方式中，位置信息包括终端与目标小区之间的距离。
根据位置信息，确定目标小区，包括以下至少一项：
确定终端与多个小区之间的距离，并将多个距离中距离最小的小区作为目标小区。
确定终端与多个小区之间的距离，并分别确定多个距离中各个距离与各自对应的小区覆盖半径之间的比值，将多个比值中比值最小的小区作为目标小区。
一种实施方式中，位置信息包括终端与目标小区之间的距离。
根据位置信息，确定目标小区，包括以下至少一项：
根据小区重选的R准则，确定N个小区，并从N个小区中，选择与终端之间的距离最小的小区作为目标小区。
根据小区重选的R准则，确定N个小区，并从N个小区中，选择比值最小的小区作为目标小区，比值为终端与小区之间的距离与小区覆盖半径之间的比值。
一种实施方式中，根据小区重选的R准则确定的N个小区满足以下条件之一：
小区选择电平大于0且小区的小区选择质量大于0。终端与小区的距离小于距离门限值，或终端与小区的距离与小区覆盖半径的比值小于比值门限值。终端与小区的距离小于距离门限值，或终端与小区的距离与小区覆盖半径的比值小于比值门限值，且小区选择电平大于0，小区的小区选择质量大于0。
一种实施方式中，处理单元101还被配置为：重选到目标小区。
一种实施方式中，根据位置信息，确定目标小区，包括以下至少一项：
选择距离终端最近的小区，作为目标小区。在满足小区重选的S准则的小区中，选择距离终端最近的小区，作为目标小区。
一种实施方式中，接收单元102基于系统消息和/或无线资源控制释放消息，接收网络设备发送的第一消息。
图16是根据一示例性实施例示出的一种小区重选装置框图。参照图16，小区重选装 置200包括发送单元201。
发送单元201，被配置为发送第一消息，第一消息用于指示基于位置信息进行小区重选的参数信息，位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项。
一种实施方式中，第一消息用于指示距离门限值和地理位置范围中的至少一项。
一种实施方式中，发送单元201基于系统消息和/或无线资源控制释放消息，发送第一消息。
关于上述实施例中的装置，其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述，此处将不做详细阐述说明。
图17是根据一示例性实施例示出的一种用于小区重选的装置300的框图。例如，装置300可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图17，装置300可以包括以下一个或多个组件：处理组件302，存储器304，电力组件306，多媒体组件308，音频组件310，输入/输出(I/O)接口312，传感器组件314，以及通信组件316。
处理组件302通常控制装置300的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件302可以包括一个或多个处理器320来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件302可以包括一个或多个模块，便于处理组件302和其他组件之间的交互。例如，处理组件302可以包括多媒体模块，以方便多媒体组件308和处理组件302之间的交互。
存储器304被配置为存储各种类型的数据以支持在装置300的操作。这些数据的示例包括用于在装置300上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器304可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电力组件306为装置300的各种组件提供电力。电力组件306可以包括电源管理系统，一个或多个电源，及其他与为装置300生成、管理和分配电力相关联的组件。
多媒体组件308包括在所述装置300和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传 感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件308包括一个前置摄像头和/或后置摄像头。当装置300处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件310被配置为输出和/或输入音频信号。例如，音频组件310包括一个麦克风(MIC)，当装置300处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器304或经由通信组件316发送。在一些实施例中，音频组件310还包括一个扬声器，用于输出音频信号。
I/O接口312为处理组件302和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件314包括一个或多个传感器，用于为装置300提供各个方面的状态评估。例如，传感器组件314可以检测到装置300的打开/关闭状态，组件的相对定位，例如所述组件为装置300的显示器和小键盘，传感器组件314还可以检测装置300或装置300一个组件的位置改变，用户与装置300接触的存在或不存在，装置300方位或加速/减速和装置300的温度变化。传感器组件314可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件314还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件314还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件316被配置为便于装置300和其他设备之间有线或无线方式的通信。装置300可以接入根据通信标准的无线网络，如WiFi，2G或3G，或它们的组合。在一个示例性实施例中，通信组件316经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，所述通信组件316还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可根据射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置300可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器304，上述指令可由装置300的处理器320执行以完成上述方法。例如， 所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
图18是根据一示例性实施例示出的一种用于小区重选的装置400的框图。例如，装置400可以被提供为网络设备，例如基站等。参照图18，装置400包括处理组件422，其进一步包括一个或多个处理器，以及由存储器432所代表的存储器资源，用于存储可由处理组件422的执行的指令，例如应用程序。存储器432中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外，处理组件422被配置为执行指令，以执行上述方法。
装置400还可以包括一个电源组件426被配置为执行装置400的电源管理，一个有线或无线网络接口450被配置为将装置400连接到网络，和一个输入输出(I/O)接口458。装置400可以操作根据存储在存储器432的操作系统，例如Windows ServerTM，Mac OS XTM，UnixTM,LinuxTM，FreeBSDTM或类似。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器432，上述指令可由装置400的处理组件422执行以完成上述方法。例如，所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
进一步可以理解的是，本公开中“多个”是指两个或两个以上，其它量词与之类似。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。
进一步可以理解的是，术语“第一”、“第二”等用于描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开，并不表示特定的顺序或者重要程度。实际上，“第一”、“第二”等表述完全可以互换使用。例如，在不脱离本公开范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。
进一步可以理解的是，本公开实施例中尽管在附图中以特定的顺序描述操作，但是不应将其理解为要求按照所示的特定顺序或是串行顺序来执行这些操作，或是要求执行全部所示的操作以得到期望的结果。在特定环境中，多任务和并行处理可能是有利的。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者 适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (23)

  1. 一种小区重选方法，其特征在于，应用于终端，所述小区重选方法包括：
    确定终端的位置信息，所述位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项；
    根据所述位置信息，进行小区重选。
  2. 根据权利要求1所述的小区重选方法，其特征在于，根据所述位置信息，进行小区重选，包括：
    对邻小区进行测量。
  3. 根据权利要求2所述的小区重选方法，其特征在于，所述对邻小区进行测量，包括：
    响应于邻小区的频率优先级高于服务小区的频率优先级，对邻小区进行侧量。
  4. 根据权利要求2所述的小区重选方法，其特征在于，所述对邻小区进行测量，包括：
    基于所述位置信息，对邻小区进行测量。
  5. 根据权利要求1或4所述的小区重选方法，其特征在于，所述小区重选方法还包括：
    接收网络设备发送的第一消息，所述第一消息用于指示所述终端基于位置信息进行小区重选的参数信息。
  6. 根据权利要求5所述的小区重选方法，其特征在于，所述位置信息包括终端与服务小区之间的距离，所述第一消息用于指示距离门限值；
    所述基于所述位置信息，对邻小区进行测量，包括：
    响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端与服务小区之间的距离大于距离门限值的情况下，对邻小区进行测量。
  7. 根据权利要求5所述的小区重选方法，其特征在于，所述位置信息包括终端与服务小区之间的距离，所述第一消息用于指示距离门限值；
    所述基于所述位置信息，对邻小区进行测量，包括：
    响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端与服务小区之间的距离大于距离门限值，且服务小区选择电平小于或等于启动同频测量的参考信号接收功率信号电平门限值的情况下，对邻小区进行测量。
  8. 根据权利要求5所述的小区重选方法，其特征在于，所述位置信息包括终端所处的地理位置，所述第一消息用于指示地理位置范围；
    所述基于所述位置信息，对邻小区进行测量，包括：
    响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端所处的地理位置位于地理位置范围的情况下，对邻小区进行测量。
  9. 根据权利要求5所述的小区重选方法，其特征在于，所述位置信息包括终端所处的地理位置，所述第一消息用于指示地理位置范围；
    所述基于所述位置信息，对邻小区进行测量，包括：
    响应于邻小区的频率优先级低于服务小区的频率优先级，或者邻小区的频率与服务小区的频率相同，在终端所处的地理位置位于地理位置范围，且小区选择电平小于或等于启动同频测量的参考信号接收功率信号电平门限值的情况下，确定对邻小区进行测量。
  10. 根据权利要求1所述的小区重选方法，其特征在于，根据所述位置信息，进行小区重选，包括：
    根据所述位置信息，确定目标小区。
  11. 根据权利要求10所述的小区重选方法，其特征在于，所述位置信息包括终端与目标小区之间的距离；
    所述根据所述位置信息，确定目标小区，包括以下至少一项：
    确定终端与多个小区之间的距离，并将多个距离中距离最小的小区作为目标小区；
    确定终端与多个小区之间的距离，并分别确定多个距离中各个距离与各自对应的小区覆盖半径之间的比值，将多个比值中比值最小的小区作为目标小区。
  12. 根据权利要求10所述的小区重选方法，其特征在于，所述位置信息包括终端与目标小区之间的距离；
    所述根据所述位置信息，确定目标小区，包括以下至少一项：
    根据小区重选的R准则，确定N个小区，并从所述N个小区中，选择与终端之间的距离最小的小区作为目标小区；
    根据小区重选的R准则，确定N个小区，并从所述N个小区中，选择比值最小的小区作为目标小区，所述比值为终端与小区之间的距离与小区覆盖半径之间的比值。
  13. 根据权利要求12所述的小区重选方法，其特征在于，根据小区重选的R准则确定的N个小区满足以下条件之一：
    小区选择电平大于0且小区的小区选择质量大于0；
    终端与小区的距离小于距离门限值，或终端与小区的距离与小区覆盖半径的比值小于 比值门限值；
    终端与小区的距离小于距离门限值，或终端与小区的距离与小区覆盖半径的比值小于比值门限值，且小区选择电平大于0，小区的小区选择质量大于0。
  14. 根据权利要求10至13中任意一项所述的小区重选方法，其特征在于，所述小区重选方法还包括：
    重选到所述目标小区。
  15. 根据权利要求10所述的小区重选方法，其特征在于，所述根据所述位置信息，确定目标小区，包括以下至少一项：
    选择距离所述终端最近的小区，作为目标小区；
    在满足小区重选的S准则的小区中，选择距离所述终端最近的小区，作为目标小区。
  16. 根据权利要求5所述的小区重选方法，其特征在于，接收网络设备发送的第一消息，包括：
    基于系统消息和/或无线资源控制释放消息，接收网络设备发送的第一消息。
  17. 一种小区重选方法，其特征在于，应用于网络设备，所述小区重选方法包括：
    发送第一消息，所述第一消息用于指示基于位置信息进行小区重选的参数信息；
    所述位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项。
  18. 根据权利要求17所述的小区重选方法，其特征在于，所述第一消息用于指示距离门限值和地理位置范围中的至少一项。
  19. 根据权利要求17或18所述的小区重选方法，其特征在于，所述发送第一消息，包括：
    基于系统消息和/或无线资源控制释放消息，发送第一消息。
  20. 一种小区重选装置，其特征在于，所述小区重选装置包括：
    处理单元，被配置为确定终端的位置信息，所述位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项，并根据所述位置信息，进行小区重选。
  21. 一种小区重选装置，其特征在于，所述小区重选装置包括：
    发送单元，被配置为发送第一消息，所述第一消息用于指示基于位置信息进行小区重选的参数信息，所述位置信息包括终端与小区之间的距离，以及终端所处的地理位置中的至少一项。
  22. 一种小区重选装置，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：执行权利要求1至16中任意一项所述的小区重选方法或执行权利要求17至19中任意一项所述的小区重选方法。
  23. 一种存储介质，其特征在于，所述存储介质中存储有指令，当所述存储介质中的指令由终端的处理器执行时，使得终端能够执行权利要求1-14中任意一项所述的小区重选方法，或当所述存储介质中的指令由网络设备的处理器执行时，使得网络设备能够执行权利要求17至19中任意一项所述的小区重选方法。
PCT/CN2021/084781 2021-03-31 2021-03-31 一种小区重选方法、小区重选装置及存储介质 WO2022205246A1 (zh)

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