WO2018090424A1 - 小区重选方法及装置 - Google Patents

小区重选方法及装置 Download PDF

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Publication number
WO2018090424A1
WO2018090424A1 PCT/CN2016/110998 CN2016110998W WO2018090424A1 WO 2018090424 A1 WO2018090424 A1 WO 2018090424A1 CN 2016110998 W CN2016110998 W CN 2016110998W WO 2018090424 A1 WO2018090424 A1 WO 2018090424A1
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Prior art keywords
cell
reselection
neighboring
current serving
ping pong
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English (en)
French (fr)
Inventor
张国全
黄钱红
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to JP2017508974A priority Critical patent/JP6596070B2/ja
Priority to RU2017107838A priority patent/RU2681198C2/ru
Publication of WO2018090424A1 publication Critical patent/WO2018090424A1/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/04—Reselecting a cell layer in multi-layered cells
    • 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
    • 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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • 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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
    • 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
    • H04W36/00837—Determination of triggering parameters for hand-off
    • H04W36/008375—Determination of triggering parameters for hand-off based on historical data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a cell reselection method and apparatus.
  • the ping-pong reselection problem caused by the improper configuration of the network reselection parameters often occurs.
  • the B cell may be selected according to the current cell reselection parameter.
  • the A cell may be selected according to the cell reselection parameter again. This phenomenon of frequent switching between the two cells is ping-pong reselection, but the ping-pong reselection may cause the standby current of the terminal. Continued high, which in turn affects the terminal's standby time and user experience.
  • Embodiments of the present disclosure provide a cell reselection method and apparatus.
  • the technical solution is as follows:
  • a cell reselection method including:
  • the cell reselection information includes: the current cell reselection time, the historical ping pong reselection record at least: each ping pong reselection Record the corresponding historical cell reselection time;
  • the neighboring cell is reselected as the current serving cell to camp on the neighboring cell.
  • the method further includes:
  • the cell reselection information is recorded to the historical ping pong reselection record to update the historical ping pong reselection record.
  • determining whether the neighboring cell meets the cell reselection condition includes:
  • the acquiring cell reselection parameters includes:
  • the system message includes at least one of: a reselection priority of the current serving cell, a minimum access level of the current serving cell, and a location Reselecting a priority of the neighboring cell, and a minimum access level of the neighboring cell;
  • a signal quality of the current serving cell and the neighboring cell where the signal quality includes at least one of: a current signal level, a reference signal received power, and a reference signal received quality.
  • determining, according to the cell reselection parameter, whether the neighboring cell meets the cell reselection condition includes:
  • the current signal level of the neighboring cell is not less than a minimum access level of the neighboring cell, and the reselection priority of the neighboring cell is higher than a reselection priority of the current serving cell;
  • the signal level corresponding to the reference signal received power of the neighboring cell is not less than the minimum access level of the neighboring cell, and the reselection priority of the neighboring cell is higher than the reselection priority of the current serving cell; or
  • the current signal level of the current serving cell is smaller than the minimum access level of the current serving cell, and the reselection priority of the neighboring cell is lower than the reselection priority of the current serving cell.
  • the acquiring the cell reselection information corresponding to the neighboring cell includes:
  • the cell reselection information further includes at least one of the following:
  • the identifier of the current serving cell the identifier of the neighboring cell, and the reason for the cell reselection;
  • the historical ping pong reselection record further includes at least one of the following:
  • the identifiers of the original cells corresponding to the ping pong reselection records the identifiers of the target cells corresponding to the ping pong reselection records, and the reasons for the cell reselection corresponding to the ping pong reselection records.
  • the determining whether the cell reselection information matches a historical ping pong reselection record comprises:
  • the matching conditions include:
  • the identifier of the current serving cell matches the identifier of the original cell corresponding to any one of the ping pong reselection records;
  • the identifier of the neighboring cell matches the identifier of the target cell corresponding to any one of the ping-pong reselection records;
  • the cell reselection reason matches the cell reselection reason corresponding to any one of the ping pong reselection records.
  • a cell reselection apparatus including:
  • a first determining module configured to determine, when camping in the current serving cell, whether the neighboring cell meets a cell reselection condition
  • An acquiring module configured to acquire cell reselection information corresponding to the neighboring cell when the neighboring cell satisfies the cell reselection condition
  • a second judging module configured to determine whether the cell reselection information matches a historical ping pong reselection record, where the cell reselection information includes at least: a current cell reselection time, and the historical ping pong reselection record is at least The method includes: a historical cell reselection time corresponding to each ping pong reselection record;
  • a third determining module configured to determine, when the cell reselection information matches any one of the historical ping-pong reselection records, the current cell reselection time and the any one of the ping pong Whether the time difference between the historical cell reselection times corresponding to the reselection record is greater than a preset time difference;
  • a selecting module configured to: when the time difference is greater than the preset time difference, reselect the neighboring cell as the current serving cell to camp on the neighboring cell.
  • the apparatus further includes:
  • a processing module configured to extend the preset time difference after reselecting the neighboring cell as the current serving cell
  • a recording module configured to record the cell reselection information to the historical ping pong reselection record to update the historical ping pong reselection record.
  • the first determining module comprises:
  • a first acquiring submodule configured to acquire a cell reselection parameter
  • the determining submodule is configured to determine, according to the cell reselection parameter, whether the neighboring cell satisfies the cell reselection condition.
  • the first obtaining submodule comprises:
  • a receiving unit configured to receive a system message sent by a base station of the current serving cell, where the system message includes at least one of: a reselection priority of the current serving cell, and a minimum connection of the current serving cell Incoming level, reselection priority of the neighboring cell, minimum access level of the neighboring cell;
  • a measuring unit configured to measure signal quality of the current serving cell and the neighboring cell, where the signal quality includes at least one of the following: a current signal level, a reference signal received power, and a reference signal received quality.
  • the determining submodule comprises:
  • a determining unit configured to determine that the neighboring cell meets the cell reselection condition when the cell reselection parameter meets a preset condition, where the preset condition includes:
  • the current signal level of the neighboring cell is not less than a minimum access level of the neighboring cell, and the reselection priority of the neighboring cell is higher than a reselection priority of the current serving cell;
  • the signal level corresponding to the reference signal received power of the neighboring cell is not less than the minimum access level of the neighboring cell And the reselection priority of the neighboring cell is higher than the reselection priority of the current serving cell; or
  • the current signal level of the current serving cell is smaller than the minimum access level of the current serving cell, and the reselection priority of the neighboring cell is lower than the reselection priority of the current serving cell.
  • the obtaining module comprises:
  • a first determining submodule configured to: according to the reselection priority of each neighboring cell in the at least two neighboring cells, and/or the neighboring cells, when at least two neighboring cells satisfy the cell reselection condition Signal quality, determining a target neighboring cell from the at least two neighboring cells;
  • a second acquiring submodule configured to acquire cell reselection information corresponding to the target neighboring cell.
  • the cell reselection information further includes at least one of the following:
  • the identifier of the current serving cell the identifier of the neighboring cell, and the reason for the cell reselection;
  • the historical ping pong reselection record further includes at least one of the following:
  • the identifiers of the original cells corresponding to the ping pong reselection records the identifiers of the target cells corresponding to the ping pong reselection records, and the reasons for the cell reselection corresponding to the ping pong reselection records.
  • the second determining module comprises:
  • a second determining submodule configured to determine the cell reselection information and the any one of when the ping pong reselection record in the cell reselection information and the historical ping pong reselection record satisfy the following matching condition
  • the ping pong reselection records are matched, wherein the matching conditions include:
  • the identifier of the current serving cell matches the identifier of the original cell corresponding to any one of the ping pong reselection records;
  • the identifier of the neighboring cell matches the identifier of the target cell corresponding to any one of the ping-pong reselection records;
  • the cell reselection reason matches the cell reselection reason corresponding to any one of the ping pong reselection records.
  • a cell reselection apparatus including:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • the cell reselection information includes: the current cell reselection time, the historical ping pong reselection record at least: each ping pong reselection Record the corresponding historical cell reselection time;
  • the neighboring cell is reselected as the current serving cell to camp on the neighboring cell.
  • the technical solution provided by the embodiment of the present disclosure can determine the cell reselection information corresponding to the neighboring cell and the pre-recorded historical ping-pong reselection record by acquiring the cell reselection information corresponding to the neighboring cell when the neighboring cell satisfies the cell reselection condition. Whether the matching, when the cell reselection information matches any of the ping pong reselection records, indicates that if the neighboring cell is reselected, ping pong reselection may be caused, and thus, the current cell reselection time needs to be further determined.
  • the neighboring cell can be allowed to be reselected as the current serving cell to camp on the neighboring cell to provide services for the user, and the cell reselection information is determined by the cell.
  • FIG. 1 is a flowchart of a cell reselection method according to an exemplary embodiment.
  • FIG. 2 is a flowchart of another cell reselection method according to an exemplary embodiment.
  • FIG. 3 is a flowchart of still another cell reselection method according to an exemplary embodiment.
  • FIG. 4 is a block diagram of a cell reselection apparatus according to an exemplary embodiment.
  • FIG. 5 is a block diagram of another cell reselection apparatus, according to an exemplary embodiment.
  • FIG. 6 is a block diagram of still another cell reselection apparatus according to an exemplary embodiment.
  • FIG. 7 is a block diagram of still another cell reselection apparatus, according to an exemplary embodiment.
  • FIG. 8 is a block diagram of still another cell reselection apparatus according to an exemplary embodiment.
  • FIG. 9 is a block diagram suitable for a cell reselection apparatus, according to an exemplary embodiment.
  • the ping-pong reselection problem caused by the improper configuration of the network reselection parameters often occurs.
  • the B cell may be selected according to the current cell reselection parameter.
  • the A cell may be selected according to the cell reselection parameter again. This phenomenon of frequent switching between the two cells is ping-pong reselection, but the ping-pong reselection may cause the standby current of the terminal. Continue to be high, and thus affect Standby time and user experience of the terminal.
  • an embodiment of the present disclosure provides a cell reselection method, which may be used in a cell reselection procedure, system, or device, and the corresponding execution entity of the method may be a terminal such as a mobile phone.
  • FIG. 1 is a flowchart of a cell reselection method according to an exemplary embodiment.
  • the method includes steps S101 to S105:
  • step S101 when camping on the current serving cell, determining whether the neighboring cell satisfies the cell reselection condition
  • the neighboring cells may be one or more (as for the cellular network, possibly six), and the neighboring cells satisfying the cell reselection condition may also be one or more.
  • step S102 when the neighboring cell satisfies the cell reselection condition, acquiring cell reselection information corresponding to the neighboring cell;
  • step S103 it is determined whether the cell reselection information matches the historical ping pong reselection record, wherein the cell reselection information includes at least: the current cell reselection time, and the historical ping pong reselection record includes at least: each ping pong reselection record Corresponding historical cell reselection time;
  • the number of ping pong reselection records in the historical ping pong reselection record may be one or more, and the historical ping pong reselection record may include not only the historical cell reselection time corresponding to each ping pong reselection record, but also various ping pong weights.
  • the original cell identifier before the reselection and the target cell identifier after the reselection, the reason for the reselection, and the like are selected, and of course, the cell reselection information may also include the information.
  • step S104 when the cell reselection information matches any one of the historical ping-pong reselection records, the current cell reselection time is determined as the historical cell reselection time corresponding to any one of the ping pong reselection records. Whether the time difference between them is greater than a preset time difference;
  • the cell reselection information matches any of the ping pong reselection records, it indicates that if the neighbor cell is reselected, it may cause ping pong reselection, that is, if the neighbor cell is reselected, it may be reselected with any of the ping pong records.
  • the second cell reselection constitutes a ping pong reselection, or if the neighboring cell is reselected, according to any one of the ping pong reselection records, after reselecting the neighboring cell, the previous serving cell may be reselected and the ping pong is caused.
  • Reselection for example, when any one of the ping pong reselection records is to reselect the B cell from the A cell (the first cell reselection in the ping pong reselection record) and reselect the B cell back to the A cell ( If the current serving cell is also the A cell, the neighboring cell B satisfies the cell reselection condition and the cell reselection information corresponding to the neighboring cell B and the ping pong If the reselection record matches, the cell reselection may be reselected to the A cell after the B cell is reselected, and the cell reselection constitutes a ping pong reselection, or the terminal may be reselected according to the ping pong reselection. Will re-elect back to the A-cell and cause ping-pong re-election;
  • the historical ping pong reselection record should select the most recent reselection record, for example, the last reselection record can be selected as the comparison object, so that if the above ping pong reselection record
  • the time for reselecting the B cell from the A cell and the A cell back from the B cell, and the time at which the terminal re-residents in the A cell is continuous with the time at which the terminal camps on the current serving cell when performing step S101, and both
  • the second cell reselection in the ping pong reselection record ie, reselection from the B cell back to the A cell constitutes a ping pong reselection.
  • historical ping pong reselection records can include a variety of different ping pong reselection records, regardless of historical ping pong reselection How many kinds of ping pong reselection records can be included in the record, that is, the above historical ping pong reselection record may include a ping pong reselection record such as reselecting the B cell from the A cell and then reselecting the A cell from the B cell, and may also include the C cell from the C cell. The D-cell is reselected and the ping-pong reselection record such as the C-cell is reselected from the D-cell.
  • the preset time difference may be the shortest ping pong reselection time interval in the cell ping-pong reselection process.
  • the preset time difference may be from the resident A. The shortest time in the ping-pong reselection process from the A cell to the B cell and from the B cell back to the A cell, or
  • This preset time difference can also be personalized.
  • the preset time difference can also be continuously increased.
  • step S105 when the time difference is greater than the preset time difference, the neighboring cell is reselected as the current serving cell to camp on the neighboring cell.
  • the cell reselection information corresponding to the neighboring cell can be determined whether the cell reselection information corresponding to the neighboring cell matches the pre-recorded historical ping pong reselection record, and the cell reselection information is When any of the ping-pong reselection records match, it indicates that if the neighboring cell is reselected, it may cause ping-pong reselection. Therefore, it is necessary to further judge the current cell reselection time and the history corresponding to any one of the ping-pong reselection records. Whether the time difference between cell reselection times is greater than a preset time difference.
  • the current reselected cell is likely to be the second in the ping pong reselection record.
  • the secondary cell reselection constitutes a short-time ping-pong re-selection, or according to any one of the ping-pong re-selection records, after reselecting the neighboring cell, the terminal is likely to re-select the previous serving cell, resulting in continuous ping-pong in a short time. Reselection, which in turn leads to excessive consumption of power, and thus, the neighboring cell may not be reselected, so that the terminal continues to camp on the current serving cell.
  • the embodiment can be executed continuously or in accordance with a certain period of time.
  • FIG. 2 is a flowchart of another cell reselection method according to an exemplary embodiment.
  • the method shown in FIG. 1 may further include step S201 and step S202:
  • step S201 after the neighboring cell is reselected as the current serving cell, the preset time difference is extended;
  • step S202 the cell reselection information is recorded to the historical ping pong reselection record to update the historical ping pong reselection record.
  • the preset time difference may be extended, thereby further avoiding repeating the cell ping-pong reselection in a short time, for example, each time after performing step S101 to step S104, when determining that the time difference is greater than
  • the preset time difference may be increased to 2 times or 3 times, etc.;
  • the historical ping pong reselection record After recording the cell reselection information to the historical ping pong reselection record, the historical ping pong reselection record can be updated to make the historical ping pong reselection record more rich and comprehensive, so that the rich and comprehensive historical ping pong reselection record can be conveniently followed. It is determined whether the cell reselection corresponding to the cell reselection information is a ping pong reselection.
  • FIG. 3 is a flowchart of still another cell reselection method according to an exemplary embodiment.
  • step S101 in FIG. 1 above may include step A1 and step A2:
  • step A1 acquiring a cell reselection parameter
  • step A2 according to the cell reselection parameter, it is determined whether the neighboring cell satisfies the cell reselection condition.
  • the cell reselection parameter may be automatically acquired, and then according to the cell reselection parameter, it is determined whether the neighboring cell satisfies the cell reselection condition.
  • step A1 shown in FIG. 3 above may be performed as:
  • a system message delivered by a base station of the current serving cell includes at least one of the following: a reselection priority of the current serving cell, a minimum access level of the current serving cell, a reselection priority of the neighboring cell, and an adjacent The minimum access level of the cell; where the minimum access levels of different cells may be different.
  • the reselection priority of the current serving cell and the minimum access level of the current serving cell may be carried in the message 3 in the system message sent by the base station of the current serving cell, and the reselection priority of the neighboring cell and the minimum of the neighboring cell
  • the access level may be carried in the message 5 in the system message sent by the base station of the current serving cell.
  • the role of the minimum access level is to prevent the mobile station from accessing the system when the received signal level is low (the communication quality after access often cannot guarantee the normal communication process), and cannot provide satisfactory communication quality for the user. And the wireless resources of the network are wasted wastelessly.
  • the receiving level when the mobile station needs to access the network, the receiving level must be greater than a threshold level, that is, the minimum receiving level that the mobile station is allowed to access.
  • the signal quality includes at least one of the following: a current signal level, a reference signal received power (RSRP, Reference Signal Receiving Power), and a reference signal receiving quality (RSRQ, Reference Signal Receiving Quality) ).
  • RSRP reference signal received power
  • RSS Reference Signal Receiving Quality
  • the signal quality of the current serving cell it may be measured according to a paging message or a network signal sent by the base station of the current serving cell, and similarly, when measuring the signal quality of the neighboring cell, it may also be measured in this manner.
  • step A2 shown in FIG. 3 above may be performed as:
  • the current signal level of the neighboring cell is not less than the minimum access level of the neighboring cell and the reselection priority of the neighboring cell is higher than the reselection priority of the current serving cell;
  • the signal level corresponding to the reference signal received power of the neighboring cell is not less than the minimum access level of the neighboring cell, and the reselection priority of the neighboring cell is higher than the reselection priority of the current serving cell;
  • the neighboring cell When the measured current signal level of the neighboring cell is not less than the minimum access level of the neighboring cell or the signal level corresponding to the reference signal received power of the neighboring cell is not less than the minimum access level of the neighboring cell, it indicates that the terminal resides if In the neighborhood In the area, the communication quality is good. Therefore, the neighboring cell has the preliminary re-election qualification. Therefore, when the reselection priority of the neighboring cell is higher than the reselection priority of the current serving cell, it further indicates that the neighboring cell is more suitable than the current serving cell. The terminal camps, and thus, it can be determined that the neighboring cell satisfies the cell reselection condition.
  • the current signal level of the current serving cell is smaller than the minimum access level of the current serving cell and the reselection priority of the neighboring cell is lower than the reselection priority of the current serving cell.
  • the current signal level of the current serving cell is smaller than the minimum access level of the current serving cell, indicating that if the terminal continues to camp on the current serving cell, the communication quality may be poor and the communication requirement of the user may not be met, and thus, even if the neighboring cell
  • the reselection priority is lower than the reselection priority of the current serving cell, and the terminal camping in the neighboring cell is better than camping on the current serving cell, and therefore, the neighboring cell can also be determined to satisfy the cell reselection condition.
  • the current signal level of the neighboring cell should also be not less than the minimum access level of the neighboring cell.
  • the preset condition includes, but is not limited to, the foregoing condition, for example, the reselection priority of the neighboring cell is higher than the preset reselection priority, and the current signal level of the neighboring cell is greater than the preset signal level, and the neighboring cell is used.
  • the signal quality is greater than the preset signal quality.
  • the step of acquiring the cell reselection information corresponding to the neighboring cell in the step S102 shown in FIG. 1 may include:
  • the neighboring cell with a higher reselection priority and/or better signal quality may be selected from the at least two neighboring cells as the target neighboring cell.
  • the reselection priority of each neighboring cell in the at least two neighboring cells and/or the signal quality of each neighboring cell may be automatically determined from the at least two neighboring cells.
  • the target neighboring cell is obtained, and then the cell reselection information corresponding to the target neighboring cell is obtained, and then further judgment is performed to avoid repeated ping pong reselection in a short time.
  • the cell reselection information further includes at least one of the following:
  • the identity of the current serving cell The identity of the current serving cell, the identity of the neighboring cell, and the reason for the cell reselection;
  • the identifier of the current serving cell may be the ID of the current serving cell (ie, the cell identifier) and the frequency point.
  • the identifier of the neighboring cell may be the ID of the neighboring cell (ie, the cell identifier) and the frequency.
  • the reason for the cell reselection may be the cell weight. The priority of the selection is lower, the minimum access level of the cell is higher, and the signal quality of the cell is not good.
  • the historical ping pong re-election record also includes at least one of the following:
  • the identifier of the original cell corresponding to each ping pong reselection record, the identifier of the target cell corresponding to each ping pong reselection record, and the reason for the cell reselection corresponding to each ping pong reselection record, wherein the above ping pong reselection records Information can be recorded in the form of a table.
  • the identifier of the original cell corresponding to each ping-pong reselection record is the first cell weight recorded in each ping-pong reselection record.
  • the identifier of the cell in which the terminal resides is selected, and the identifier of the target cell corresponding to each ping-pong reselection record is the identifier of the cell where the terminal resides after the first cell reselection recorded in each ping-pong reselection record.
  • the terminal when a ping-pong reselection record is to reselect a B cell from the A cell and then reselect the A cell from the B cell, the terminal resides in the ping pong reselection record before the first cell reselection.
  • the A cell, and thus the identity of the original cell corresponding to the ping pong reselection record is the identity of the A cell.
  • the terminal After the first cell reselection, the terminal camps on the B cell.
  • the purpose of the ping pong reselection record is The cell is the identifier of the B cell, and the reason for the cell reselection corresponding to the ping pong reselection record is the reason for selecting the B cell from the A cell reselection (of course, due to the reselection of the ping pong, the reason for the reselection of the two cells is basically The reason for the cell reselection corresponding to the ping pong reselection record may also be the reason for reselecting the B cell back to the A cell.
  • the historical cell reselection time corresponding to the ping pong reselection record is from the A cell. The time to switch to the B cell.
  • step S103 shown in FIG. 1 above may be performed as:
  • the cell reselection information is determined to match any of the ping pong reselection records, wherein the matching conditions include:
  • the identifier of the current serving cell matches the identity of the original cell corresponding to any one of the ping pong reselection records;
  • the identifier of the current serving cell matches the identifier of the original cell corresponding to any one of the ping pong reselection records, and the identifier of the current serving cell may be the same as the identifier of the original cell corresponding to any one of the ping pong reselection records, that is, the ID of the current serving cell.
  • the ID and frequency of the original cell corresponding to the ping-pong reselection record are the same as the frequency of the ping-pong reselection record.
  • the identifier of the neighboring cell matches the identifier of the target cell corresponding to any one of the ping pong reselection records;
  • the identifier of the neighboring cell matches the identifier of the target cell corresponding to any one of the ping-pong reselection records, and may also include the identifier of the neighboring cell being the same as the identifier of the target cell corresponding to any one of the ping-pong reselection records, that is, the ID of the neighboring cell (ie, The cell identification code and the frequency point are the same as the ID and frequency of the target cell corresponding to the one of the ping pong reselection records, respectively.
  • the cell reselection reason is matched with the cell reselection reason corresponding to any one of the ping pong reselection records, and the cell reselection reason is matched with the cell reselection reason corresponding to any one of the ping pong reselection records, which may be the reason for the cell reselection.
  • the reason for a cell reselection corresponding to a ping pong reselection record is the same.
  • the ID number of the identifier corresponding to the C cell is the M frequency point is N, and the ID number of the ID corresponding to the D cell If the P-frequency is Q, and the reason for the cell reselection corresponding to the ping-pong reselection record is that the current cell reselection priority is lower, first, the original cell corresponding to the ping-pong reselection record is the C-cell and the target cell is D.
  • the cell therefore, if the current serving cell is a C cell whose ID number is M frequency point is N, the neighboring cell is a D cell whose ID number is P frequency point is Q, and the cell reselection reason is that the C cell reselection priority is lower.
  • the cell reselection information corresponding to the C cell currently camped by the terminal is matched with the ping pong reselection record.
  • the embodiment of the present disclosure further provides a cell reselection apparatus.
  • FIG. 4 is a block diagram of a cell reselection apparatus according to an exemplary embodiment.
  • the device includes a first determining module 401, an obtaining module 402, a second determining module 403, and a The three determination module 404 and the selection module 405:
  • the first determining module 401 is configured to determine, when camping in the current serving cell, whether the neighboring cell meets a cell reselection condition;
  • the obtaining module 402 is configured to acquire cell reselection information corresponding to the neighboring cell when the neighboring cell satisfies the cell reselection condition;
  • the second judging module 403 is configured to determine whether the cell reselection information matches the historical ping pong reselection record, where the cell reselection information includes: the current cell reselection time, and the historical ping pong reselection record at least: each The ping pong reselection record corresponds to the historical cell reselection time;
  • the third determining module 404 is configured to determine, when the cell reselection information matches any one of the historical ping-pong reselection records, the current cell reselection time and the history corresponding to any one of the ping pong reselection records. Whether the time difference between cell reselection times is greater than a preset time difference;
  • the selecting module 405 is configured to reselect the neighboring cell as the current serving cell to camp on the neighboring cell when the time difference is greater than the preset time difference.
  • FIG. 5 is a block diagram of another cell reselection apparatus, according to an exemplary embodiment.
  • the apparatus shown in FIG. 4 may further include a processing module 501 and a recording module 502:
  • the processing module 501 is configured to extend the preset time difference after reselecting the neighboring cell as the current serving cell;
  • the recording module 502 is configured to record the cell reselection information to the historical ping pong reselection record to update the historical ping pong reselection record.
  • FIG. 6 is a block diagram of still another cell reselection apparatus according to an exemplary embodiment.
  • the first determining module 401 shown in FIG. 4 may include a first obtaining submodule 4011 and a determining submodule 4012:
  • the first obtaining submodule 4011 is configured to acquire a cell reselection parameter
  • the determining sub-module 4012 is configured to determine, according to the cell reselection parameter, whether the neighboring cell satisfies the cell reselection condition.
  • the first acquisition sub-module 4011 may comprise a receiving unit and/or a measuring unit:
  • the receiving unit is configured to receive a system message sent by the base station of the current serving cell, where the system message includes at least one of the following: a reselection priority of the current serving cell, a minimum access level of the current serving cell, and a neighboring cell. Reselect the priority and the minimum access level of the neighboring cell;
  • a measuring unit configured to measure signal quality of the current serving cell and the neighboring cell, where the signal quality includes at least one of the following: a current signal level, a reference signal received power, and a reference signal received quality.
  • the determining sub-module 4012 can include a determining unit:
  • the determining unit is configured to: when the cell reselection parameter meets the preset condition, determine that the neighboring cell meets the cell reselection condition, where the preset condition includes:
  • the current signal level of the neighboring cell is not less than the minimum access level of the neighboring cell and the reselection priority of the neighboring cell is higher than when Reselection priority of the former serving cell; or
  • the signal level corresponding to the reference signal received power of the neighboring cell is not less than the minimum access level of the neighboring cell and the reselection priority of the neighboring cell is higher than the reselection priority of the current serving cell;
  • the current signal level of the current serving cell is smaller than the minimum access level of the current serving cell and the reselection priority of the neighboring cell is lower than the reselection priority of the current serving cell.
  • FIG. 7 is a block diagram of still another cell reselection apparatus, according to an exemplary embodiment.
  • the obtaining module 402 shown in FIG. 6 may include a first determining submodule 4021 and a second obtaining submodule 4022:
  • the first determining sub-module 4021 is configured to: according to the reselection priority of each neighboring cell in the at least two neighboring cells and/or the signal quality of each neighboring cell, when there are at least two neighboring cells satisfying the cell reselection condition, Determining a target neighboring cell in at least two neighboring cells;
  • the second obtaining sub-module 4022 is configured to acquire cell reselection information corresponding to the target neighboring cell.
  • the cell reselection information further includes at least one of the following:
  • the identity of the current serving cell The identity of the current serving cell, the identity of the neighboring cell, and the reason for the cell reselection;
  • the historical ping pong re-election record also includes at least one of the following:
  • FIG. 8 is a block diagram of still another cell reselection apparatus according to an exemplary embodiment.
  • the second determining module 403 shown in FIG. 4 may include a second determining submodule 4031:
  • the second determining submodule 4031 is configured to determine that the cell reselection information matches any of the ping pong reselection records when any one of the cell reselection information and the historical ping pong reselection record satisfies the following matching condition , where the matching conditions include:
  • the identifier of the current serving cell matches the identity of the original cell corresponding to any one of the ping pong reselection records;
  • the identifier of the neighboring cell matches the identifier of the target cell corresponding to any one of the ping pong reselection records;
  • the reason for the cell reselection matches the reason of the cell reselection corresponding to any of the ping pong reselection records.
  • a cell reselection apparatus including:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • the cell reselection information includes: the current cell reselection time, the historical ping pong reselection record at least: each ping pong reselection Record the corresponding historical cell reselection time;
  • the neighboring cell is reselected as the current serving cell to camp on the neighboring cell.
  • the above processor can also be configured to:
  • the method further includes:
  • the cell reselection information is recorded to the historical ping pong reselection record to update the historical ping pong reselection record.
  • determining whether the neighboring cell meets the cell reselection condition includes:
  • the above processor can also be configured to:
  • the acquiring cell reselection parameters includes:
  • the system message includes at least one of: a reselection priority of the current serving cell, a minimum access level of the current serving cell, and a location Reselecting a priority of the neighboring cell, and a minimum access level of the neighboring cell;
  • a signal quality of the current serving cell and the neighboring cell where the signal quality includes at least one of: a current signal level, a reference signal received power, and a reference signal received quality.
  • the above processor can also be configured to:
  • Determining, according to the cell reselection parameter, whether the neighboring cell satisfies the cell reselection condition including:
  • the current signal level of the neighboring cell is not less than a minimum access level of the neighboring cell, and the reselection priority of the neighboring cell is higher than a reselection priority of the current serving cell;
  • the signal level corresponding to the reference signal received power of the neighboring cell is not less than the minimum access level of the neighboring cell, and the reselection priority of the neighboring cell is higher than the reselection priority of the current serving cell; or
  • the current signal level of the current serving cell is smaller than the minimum access level of the current serving cell, and the reselection priority of the neighboring cell is lower than the reselection priority of the current serving cell.
  • the acquiring the cell reselection information corresponding to the neighboring cell includes:
  • the above processor can also be configured to:
  • the cell reselection information further includes at least one of the following:
  • the identifier of the current serving cell the identifier of the neighboring cell, and the reason for the cell reselection;
  • the historical ping pong reselection record further includes at least one of the following:
  • the identifiers of the original cells corresponding to the ping pong reselection records the identifiers of the target cells corresponding to the ping pong reselection records, and the reasons for the cell reselection corresponding to the ping pong reselection records.
  • the above processor can also be configured to:
  • Determining whether the cell reselection information matches the historical ping pong reselection record includes:
  • the matching conditions include:
  • the identifier of the current serving cell matches the identifier of the original cell corresponding to any one of the ping pong reselection records;
  • the identifier of the neighboring cell matches the identifier of the target cell corresponding to any one of the ping-pong reselection records;
  • the cell reselection reason matches the cell reselection reason corresponding to any one of the ping pong reselection records.
  • FIG. 9 is a block diagram of a cell reselection apparatus 900 for a terminal device, according to an exemplary embodiment.
  • device 900 can be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a user digital assistant, and the like.
  • device 900 can include one or at least two components: processing component 902, memory 904, power component 906, multimedia component 908, audio component 910, input/output (I/O) interface 912, sensor component 914, And a communication component 916.
  • Processing component 902 typically controls the overall operation of device 900, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • Processing component 902 can include one or at least two processors 920 to execute instructions to perform all or part of the steps of the above described methods.
  • processing component 902 can include one or at least two modules to facilitate interaction between component 902 and other components.
  • processing component 902 can include a multimedia module to facilitate interaction between multimedia component 908 and processing component 902.
  • Memory 904 is configured to store various types of data to support operation at device 900. Examples of such data include instructions for any storage object or method operating on device 900, contacting user data, phone book data, messages, pictures, videos, and the like.
  • the memory 904 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Disk Disk or Optical Disk.
  • Power component 906 provides power to various components of device 900.
  • Power component 906 can include a power management system, one or at least two power sources, and other components associated with generating, managing, and distributing power to device 900.
  • the multimedia component 908 includes a screen between the device 900 and the user that provides an output interface.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or at least two touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
  • the multimedia component 908 includes a front camera and/or a rear camera. When the device 900 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 910 is configured to output and/or input an audio signal.
  • audio component 910 includes a microphone (MIC) that is configured to receive an external audio signal when device 900 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 904 or transmitted via communication component 916.
  • the audio component 910 also includes a speaker for outputting an audio signal.
  • the I/O interface 912 provides an interface between the processing component 902 and the 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, a home button, a volume button, a start button, and a lock button.
  • Sensor assembly 914 includes one or at least two sensors for providing state assessment of various aspects to device 900.
  • sensor component 914 can detect an open/closed state of device 900, a relative positioning of components, such as the display and keypad of device 900, and sensor component 914 can also detect a change in position of one component of device 900 or device 900. The presence or absence of user contact with device 900, device 900 orientation or acceleration/deceleration, and temperature variation of device 900.
  • Sensor assembly 914 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 914 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 914 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 916 is configured to facilitate wired or wireless communication between device 900 and other devices.
  • the device 900 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • communication component 916 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
  • the communication component 916 also includes a near field communication (NFC) module to facilitate short range communication.
  • NFC near field communication
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 900 may be implemented by one or at least two application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), A gated array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA gated array
  • controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • non-transitory computer readable storage medium comprising instructions, such as a memory 904 comprising instructions executable by processor 920 of apparatus 900 to perform the above method.
  • the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
  • a non-transitory computer readable storage medium when the instructions in the storage medium are executed by a processor of the apparatus 900, enabling the apparatus 900 to perform a cell reselection method, including:
  • the cell reselection information includes: the current cell reselection time, the historical ping pong reselection record at least: each ping pong reselection Record the corresponding historical cell reselection time;
  • the neighboring cell is reselected as the current serving cell to camp on the neighboring cell.
  • the method further includes:
  • the cell reselection information is recorded to the historical ping pong reselection record to update the historical ping pong reselection record.
  • determining whether the neighboring cell meets the cell reselection condition includes:
  • the acquiring cell reselection parameters includes:
  • the system message includes at least one of: a reselection priority of the current serving cell, a minimum access level of the current serving cell, and a location Reselecting a priority of the neighboring cell, and a minimum access level of the neighboring cell;
  • a signal quality of the current serving cell and the neighboring cell where the signal quality includes at least one of: a current signal level, a reference signal received power, and a reference signal received quality.
  • determining, according to the cell reselection parameter, whether the neighboring cell meets the cell reselection condition includes:
  • the current signal level of the neighboring cell is not less than a minimum access level of the neighboring cell, and the reselection priority of the neighboring cell is higher than a reselection priority of the current serving cell;
  • the signal level corresponding to the reference signal received power of the neighboring cell is not less than the minimum access level of the neighboring cell And the reselection priority of the neighboring cell is higher than the reselection priority of the current serving cell; or
  • the current signal level of the current serving cell is smaller than the minimum access level of the current serving cell, and the reselection priority of the neighboring cell is lower than the reselection priority of the current serving cell.
  • the acquiring the cell reselection information corresponding to the neighboring cell includes:
  • the cell reselection information further includes at least one of the following:
  • the identifier of the current serving cell the identifier of the neighboring cell, and the reason for the cell reselection;
  • the historical ping pong reselection record further includes at least one of the following:
  • the identifiers of the original cells corresponding to the ping pong reselection records the identifiers of the target cells corresponding to the ping pong reselection records, and the reasons for the cell reselection corresponding to the ping pong reselection records.
  • the determining whether the cell reselection information matches a historical ping pong reselection record comprises:
  • the matching conditions include:
  • the identifier of the current serving cell matches the identifier of the original cell corresponding to any one of the ping pong reselection records;
  • the identifier of the neighboring cell matches the identifier of the target cell corresponding to any one of the ping-pong reselection records;
  • the cell reselection reason matches the cell reselection reason corresponding to any one of the ping pong reselection records.

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Abstract

本公开是关于小区重选方法及装置。该方法包括：当驻留在当前服务小区时，判断邻小区是否满足小区重选条件；当邻小区满足小区重选条件时，获取邻小区对应的小区重选信息；判断小区重选信息是否与历史乒乓重选记录相匹配；当小区重选信息与历史乒乓重选记录中任一项乒乓重选记录相匹配时，判断当前的小区重选时间与任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差；当时间差大于预设时间差时，重新选择邻小区作为当前服务小区，以驻留在邻小区。该技术方案，可以有效地降低小区乒乓重选的频率，减少乒乓重选的对终端电能的消耗，能够在一定程度上延长待机时长、提高用户的终端使用体验。

Description

小区重选方法及装置
本申请基于申请号为201611027839.X、申请日为2016年11月21日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本公开涉及通信技术领域，尤其涉及小区重选方法及装置。
背景技术
目前，在小区重选过程中，经常会出现由于网络重选参数配置不当而引起乒乓重选问题，例如：当终端驻留在A小区时，可能根据当前的小区重选参数，选择B小区，而当终端驻留在B小区时，可能再次根据小区重选参数选择A小区，这种来回在两个小区之间频繁切换的现象即为乒乓重选，但乒乓重选会导致终端的待机电流持续偏高，进而影响终端的待机时间和用户体验。
发明内容
本公开实施例提供了小区重选方法及装置。所述技术方案如下：
根据本公开实施例的第一方面，提供一种小区重选方法，包括：
当驻留在当前服务小区时，判断邻小区是否满足小区重选条件；
当所述邻小区满足所述小区重选条件时，获取所述邻小区对应的小区重选信息；
判断所述小区重选信息是否与历史乒乓重选记录相匹配，其中，所述小区重选信息至少包括：当前的小区重选时间、所述历史乒乓重选记录至少包括：各项乒乓重选记录对应的历史小区重选时间；
当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录相匹配时，判断所述当前的小区重选时间与所述任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差；
当所述时间差大于所述预设时间差时，重新选择所述邻小区作为所述当前服务小区，以驻留在所述邻小区。
在一个实施例中，所述方法还包括：
在重新选择所述邻小区作为所述当前服务小区之后，延长所述预设时间差；
将所述小区重选信息记录至所述历史乒乓重选记录，以更新所述历史乒乓重选记录。
在一个实施例中，所述当驻留在当前服务小区时，判断邻小区是否满足小区重选条件，包括：
获取小区重选参数；
根据所述小区重选参数，判断所述邻小区是否满足所述小区重选条件。
在一个实施例中，所述获取小区重选参数，包括：
接收所述当前服务小区的基站下发的系统消息，其中，所述系统消息包括以下至少一项：所述当前服务小区的重选优先级、所述当前服务小区的最小接入电平、所述邻小区的重选优先级、所述邻小区的最小接入电平；
和/或
测量所述当前服务小区和所述邻小区的信号质量，其中，所述信号质量包括以下至少一项：当前信号电平、参考信号接收功率、参考信号接收质量。
在一个实施例中，根据所述小区重选参数，判断所述邻小区是否满足所述小区重选条件，包括：
当所述小区重选参数满足预设条件时，判定所述邻小区满足所述小区重选条件，其中，所述预设条件包括：
所述邻小区的当前信号电平不小于所述邻小区的最小接入电平且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
所述邻小区的参考信号接收功率对应的信号电平不小于所述邻小区的最小接入电平且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
所述当前服务小区的当前信号电平小于所述当前服务小区的最小接入电平且所述邻小区的重选优先级低于所述当前服务小区的重选优先级。
在一个实施例中，当存在至少两个邻小区满足所述小区重选条件时，所述获取所述邻小区对应的小区重选信息，包括：
根据所述至少两个邻小区中各邻小区的重选优先级和/或所述各邻小区的信号质量，从所述至少两个邻小区中确定出目标邻小区；
获取所述目标邻小区对应的小区重选信息。
在一个实施例中，所述小区重选信息还包括以下至少一项：
所述当前服务小区的标识、所述邻小区的标识、小区重选原因；
所述历史乒乓重选记录还包括以下至少一项：
所述各项乒乓重选记录对应的原小区的标识、所述各项乒乓重选记录对应的目的小区的标识、所述各项乒乓重选记录对应的小区重选原因。
在一个实施例中，所述判断所述小区重选信息是否与历史乒乓重选记录相匹配，包括：
当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录满足以下匹配条件时，确定所述小区重选信息与所述任一项乒乓重选记录相匹配，其中，所述匹配条件包括：
所述当前服务小区的标识与所述任一项乒乓重选记录对应的原小区的标识相匹配；
所述邻小区的标识与所述任一项乒乓重选记录对应的目的小区的标识相匹配；
所述小区重选原因与所述任一项乒乓重选记录对应的小区重选原因相匹配。
根据本公开实施例的第二方面，提供一种小区重选装置，包括：
第一判断模块，用于当驻留在当前服务小区时，判断邻小区是否满足小区重选条件；
获取模块，用于当所述邻小区满足所述小区重选条件时，获取所述邻小区对应的小区重选信息；
第二判断模块，用于判断所述小区重选信息是否与历史乒乓重选记录相匹配，其中，所述小区重选信息至少包括：当前的小区重选时间、所述历史乒乓重选记录至少包括：各项乒乓重选记录对应的历史小区重选时间；
第三判断模块，用于当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录相匹配时，判断所述当前的小区重选时间与所述任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差；
选择模块，用于当所述时间差大于所述预设时间差时，重新选择所述邻小区作为所述当前服务小区，以驻留在所述邻小区。
在一个实施例中，所述装置还包括：
处理模块，用于在重新选择所述邻小区作为所述当前服务小区之后，延长所述预设时间差；
记录模块，用于将所述小区重选信息记录至所述历史乒乓重选记录，以更新所述历史乒乓重选记录。
在一个实施例中，所述第一判断模块包括：
第一获取子模块，用于获取小区重选参数；
判断子模块，用于根据所述小区重选参数，判断所述邻小区是否满足所述小区重选条件。
在一个实施例中，所述第一获取子模块包括：
接收单元，用于接收所述当前服务小区的基站下发的系统消息，其中，所述系统消息包括以下至少一项：所述当前服务小区的重选优先级、所述当前服务小区的最小接入电平、所述邻小区的重选优先级、所述邻小区的最小接入电平；
和/或
测量单元，用于测量所述当前服务小区和所述邻小区的信号质量，其中，所述信号质量包括以下至少一项：当前信号电平、参考信号接收功率、参考信号接收质量。
在一个实施例中，所述判断子模块包括：
判定单元，用于当所述小区重选参数满足预设条件时，判定所述邻小区满足所述小区重选条件，其中，所述预设条件包括：
所述邻小区的当前信号电平不小于所述邻小区的最小接入电平且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
所述邻小区的参考信号接收功率对应的信号电平不小于所述邻小区的最小接入电平 且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
所述当前服务小区的当前信号电平小于所述当前服务小区的最小接入电平且所述邻小区的重选优先级低于所述当前服务小区的重选优先级。
在一个实施例中，所述获取模块包括：
第一确定子模块，用于当存在至少两个邻小区满足所述小区重选条件时，根据所述至少两个邻小区中各邻小区的重选优先级和/或所述各邻小区的信号质量，从所述至少两个邻小区中确定出目标邻小区；
第二获取子模块，用于获取所述目标邻小区对应的小区重选信息。
在一个实施例中，所述小区重选信息还包括以下至少一项：
所述当前服务小区的标识、所述邻小区的标识、小区重选原因；
所述历史乒乓重选记录还包括以下至少一项：
所述各项乒乓重选记录对应的原小区的标识、所述各项乒乓重选记录对应的目的小区的标识、所述各项乒乓重选记录对应的小区重选原因。
在一个实施例中，所述第二判断模块包括：
第二确定子模块，用于当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录满足以下匹配条件时，确定所述小区重选信息与所述任一项乒乓重选记录相匹配，其中，所述匹配条件包括：
所述当前服务小区的标识与所述任一项乒乓重选记录对应的原小区的标识相匹配；
所述邻小区的标识与所述任一项乒乓重选记录对应的目的小区的标识相匹配；
所述小区重选原因与所述任一项乒乓重选记录对应的小区重选原因相匹配。
根据本公开实施例的第三方面，提供了一种小区重选装置，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：
当驻留在当前服务小区时，判断邻小区是否满足小区重选条件；
当所述邻小区满足所述小区重选条件时，获取所述邻小区对应的小区重选信息；
判断所述小区重选信息是否与历史乒乓重选记录相匹配，其中，所述小区重选信息至少包括：当前的小区重选时间、所述历史乒乓重选记录至少包括：各项乒乓重选记录对应的历史小区重选时间；
当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录相匹配时，判断所述当前的小区重选时间与所述任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差；
当所述时间差大于所述预设时间差时，重新选择所述邻小区作为所述当前服务小区，以驻留在所述邻小区。
本公开的实施例提供的技术方案可以包括以下有益效果：
本公开的实施例提供的技术方案，当邻小区满足小区重选条件时，通过获取邻小区对应的小区重选信息，可以判断邻小区对应的小区重选信息与预先记录的历史乒乓重选记录是否匹配，当该小区重选信息与任一项乒乓重选记录相匹配时，说明如果重选该邻小区，则可能会导致乒乓重选，因而，需要进一步判断当前的小区重选时间与该任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差，如果大于，则说明即便本次是乒乓重选，也距离之前的乒乓重选时间较长，并不属于频繁地进行乒乓重选，不会过分消耗太多电能，因而，可以允许重新选择该邻小区作为当前服务小区，以驻留在邻小区为用户提供服务，而这种通过判断小区重选信息是否与历史乒乓重选记录相匹配以及比较小区重选时间差的方式，可以有效地降低小区乒乓重选的频率，减少乒乓重选的对终端电能的消耗，能够在一定程度上延长待机时长、提高用户的终端使用体验。
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小区重选方法的流程图。
图2是根据一示例性实施例示出的另一种小区重选方法的流程图。
图3是根据一示例性实施例示出的又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装置的框图。
图5是根据一示例性实施例示出的另一种小区重选装置的框图。
图6是根据一示例性实施例示出的又一种小区重选装置的框图。
图7是根据一示例性实施例示出的再一种小区重选装置的框图。
图8是根据一示例性实施例示出的再一种小区重选装置的框图。
图9是根据一示例性实施例示出的适用于小区重选装置的框图。
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。
目前，在小区重选过程中，经常会出现由于网络重选参数配置不当而引起乒乓重选问题，例如：当终端驻留在A小区时，可能根据当前的小区重选参数，选择B小区，而当终端驻留在B小区时，可能再次根据小区重选参数选择A小区，这种来回在两个小区之间频繁切换的现象即为乒乓重选，但乒乓重选会导致终端的待机电流持续偏高，进而影响 终端的待机时间和用户体验。
为了解决上述技术问题，本公开实施例提供了一种小区重选方法，该方法可用于小区重选程序、系统或装置中，且该方法对应的执行主体可以是手机等终端。
图1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1所示，该方法包括步骤S101至步骤S105：
在步骤S101中，当驻留在当前服务小区时，判断邻小区是否满足小区重选条件；
邻小区可以是一个或多个(如对于蜂窝网，可能是6个)，而满足小区重选条件的邻小区也可能是一个或多个。
在步骤S102中，当邻小区满足小区重选条件时，获取邻小区对应的小区重选信息；
在步骤S103中，判断小区重选信息是否与历史乒乓重选记录相匹配，其中，小区重选信息至少包括：当前的小区重选时间、历史乒乓重选记录至少包括：各项乒乓重选记录对应的历史小区重选时间；
历史乒乓重选记录中的乒乓重选记录的数目可以是一个或多个，而历史乒乓重选记录不仅可以包括各项乒乓重选记录对应的历史小区重选时间，还可以包括各项乒乓重选记录对应的重选之前的原小区标识和重选之后的目标小区标识、重选原因等，当然，小区重选信息也可以包括这些信息。
在步骤S104中，当小区重选信息与历史乒乓重选记录中任一项乒乓重选记录相匹配时，判断当前的小区重选时间与任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差；
当该小区重选信息与任一项乒乓重选记录相匹配时，说明如果重选邻小区，则可能会导致乒乓重选，即如果重选邻小区，则可能与任一项乒乓重选记录中的第二次小区重选构成乒乓重选，或者如果重选邻小区，则根据该任一项乒乓重选记录，在重选邻小区后可能会重新选回之前的当前服务小区而导致乒乓重选，例如：当该任一项乒乓重选记录为从A小区重选B小区(该任一项乒乓重选记录中的第一次小区重选)又从B小区重选回A小区(该任一项乒乓重选记录中的第二次小区重选)，而当前服务小区如果也为A小区，邻小区B满足小区重选条件且邻小区B对应的小区重选信息与该项乒乓重选记录匹配，则在重选B小区后可能与B小区重选回A小区这一次小区重选构成乒乓重选，或者根据该任一项乒乓重选记录在重选B小区后，终端可能又会重选回A小区而导致乒乓重选；
当然，为了使乒乓重选的判断结果更加准确，历史乒乓重选记录应该选择最近几次的重选记录，例如：可以选择最近一次的重选记录作为比较对象，这样，如果上述乒乓重选记录为从A小区重选B小区又从B小区重选回A小区，且终端重新驻留在A小区的时间与执行步骤S101时终端驻留在当前服务小区的时间是连续的，且两者又相互匹配，则由A小区重选B小区之后，已然与该项乒乓重选记录中的第二次小区重选(即从B小区重选回A小区)构成乒乓重选。
另外，历史乒乓重选记录中可以包括多种不同的乒乓重选记录，但无论历史乒乓重选 记录中可以包括多少种乒乓重选记录，即上述历史乒乓重选记录可以包括为从A小区重选B小区进而从B小区又重选A小区这样的乒乓重选记录，也可以包括从C小区重选D小区进而从D小区又重选C小区这样的乒乓重选记录等。
最后，该预设时间差可以是小区乒乓重选过程中最短乒乓重选时间间隔，例如：当乒乓重选过程为A小区—B小区—A小区时，该预设时间差可以是从驻留在A小区开始，从A小区切换至B小区又从B小区切换回A小区这一乒乓重选过程中的最短时间等，或者
该预设时间差还可以个性化设置。
当然，该预设时间差还可以不断增大。
在步骤S105中，当时间差大于预设时间差时，重新选择邻小区作为当前服务小区，以驻留在邻小区。
当邻小区满足小区重选条件时，通过获取邻小区对应的小区重选信息，可以判断邻小区对应的小区重选信息与预先记录的历史乒乓重选记录是否匹配，当该小区重选信息与任一项乒乓重选记录相匹配时，说明如果重选该邻小区，则可能会导致乒乓重选，因而，需要进一步判断当前的小区重选时间与该任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差，如果大于，则说明即便本次是乒乓重选，也距离之前的乒乓重选时间较长，并不属于频繁地进行乒乓重选，不会过分消耗太多电能，因而，可以允许重新选择该邻小区作为当前服务小区，以驻留在邻小区为用户提供服务，而这种通过判断小区重选信息是否与历史乒乓重选记录相匹配以及比较小区重选时间差的方式，可以有效地降低小区乒乓重选的频率，减少乒乓重选的对终端电能的消耗，能够在一定程度上延长待机时长、提高用户的终端使用体验。
另外，当该时间差不大于预设时间差时，根据上文分析，如果重选邻小区作为当前服务小区，则进一步说明本次重选小区很可能与该任一项乒乓重选记录中的第二次小区重选构成短时间内的乒乓重选，或者根据该任一项乒乓重选记录，在重选邻小区后终端很有可能重选回之前的当前服务小区而导致短时间内连续进行乒乓重选，进而导致消耗过多电量，因而，可以暂不重新选择邻小区，使终端继续驻留当前服务小区。
最后，本实施例可以不断执行，也可以按照一定时间周期执行。
图2是根据一示例性实施例示出的另一种小区重选方法的流程图。
如图2所示，在一个实施例中，上述图1所示的方法还可包括步骤S201和步骤S202：
在步骤S201中，在重新选择邻小区作为当前服务小区之后，延长预设时间差；
在步骤S202中，将小区重选信息记录至历史乒乓重选记录，以更新历史乒乓重选记录。
在重新选择邻小区作为当前服务小区之后，可以延长该预设时间差，从而进一步避免在短时间内反复进行小区乒乓重选，例如：每次在执行步骤S101至步骤S104之后，当判定该时间差大于预设时间差时，可以将该预设时间差增大为原来的2倍或3倍等；
将小区重选信息记录至历史乒乓重选记录之后，可以对历史乒乓重选记录进行更新，使历史乒乓重选记录更加丰富而全面，便于之后可以根据更为丰富而全面的历史乒乓重选记录判断小区重选信息对应的小区重选是否为乒乓重选。
图3是根据一示例性实施例示出的又一种小区重选方法的流程图。
如图3所示，在一个实施例中，上述图1中的步骤S101可以包括步骤A1和步骤A2：
在步骤A1中，获取小区重选参数；
在步骤A2中，根据小区重选参数，判断邻小区是否满足小区重选条件。
在判断邻小区是否满足小区重选条件时，可以自动获取小区重选参数，进而根据小区重选参数，判断该邻小区是否满足小区重选条件。
在一个实施例中，上述图3所示的步骤A1可被执行为：
接收当前服务小区的基站下发的系统消息，其中，系统消息包括以下至少一项：当前服务小区的重选优先级、当前服务小区的最小接入电平、邻小区的重选优先级、邻小区的最小接入电平；其中不同的小区的最小接入电平可能不同。
当前服务小区的重选优先级和当前服务小区的最小接入电平可以携带在当前服务小区的基站下发的系统消息中的消息3中，而邻小区的重选优先级和邻小区的最小接入电平可以携带在当前服务小区的基站下发的系统消息中的消息5中。
最小接入电平的作用为：为了避免移动台在接收信号电平很低的情况下接入系统(接入后的通信质量往往无法保证正常的通信过程)，而无法提供用户满意的通信质量且无谓地浪费网络的无线资源，在GSM系统中规定，移动台需接入网络时，其接收电平必须大于一个门限电平，即：移动台允许接入的最小接收电平。
和/或
测量当前服务小区和邻小区的信号质量，其中，信号质量包括以下至少一项：当前信号电平、参考信号接收功率(RSRP，Reference Signal Receiving Power)、参考信号接收质量(RSRQ，Reference Signal Receiving Quality)。
在测量当前服务小区的信号质量时，可以根据当前服务小区的基站下发的寻呼消息或者网络信号等而测量，同样地，在测量邻小区的信号质量时，也可以通过这种方式测量。
在一个实施例中，上述图3所示的步骤A2可被执行为：
当小区重选参数满足预设条件时，判定邻小区满足小区重选条件，其中，预设条件包括：
邻小区的当前信号电平不小于邻小区的最小接入电平且邻小区的重选优先级高于当前服务小区的重选优先级；或者
邻小区的参考信号接收功率对应的信号电平不小于邻小区的最小接入电平且邻小区的重选优先级高于当前服务小区的重选优先级；
当测得的邻小区的当前信号电平不小于邻小区的最小接入电平或者邻小区的参考信号接收功率对应的信号电平不小于邻小区的最小接入电平时，说明终端如果驻留在邻小 区，则通信质量良好，因而，邻小区已具备初步重选资格，因而，当邻小区的重选优先级高于当前服务小区的重选优先级时，进一步说明邻小区比当前服务小区更适合终端驻留，因而，可以确定邻小区满足小区重选条件。
或者
当前服务小区的当前信号电平小于当前服务小区的最小接入电平且邻小区的重选优先级低于当前服务小区的重选优先级。
当前服务小区的当前信号电平小于当前服务小区的最小接入电平，说明如果终端继续驻留在当前服务小区，会导致其通信质量不佳，无法满足用户的通信需求，因而，即便邻小区的重选优先级低于当前服务小区的重选优先级，终端驻留在邻小区会比驻留在当前服务小区更好，因而，也可以判定邻小区满足小区重选条件，当然，这种情况下，邻小区的当前信号电平也应该不小于邻小区的最小接入电平。
另外，预设条件包括但不限于上述条件，例如，还可以包括邻小区的重选优先级高于预设重选优先级，邻小区的当前信号电平大于预设信号电平，邻小区的信号质量大于预设信号质量等。
在一个实施例中，当存在至少两个邻小区满足小区重选条件时，上述图1所示的步骤S102中的步骤“获取邻小区对应的小区重选信息”可以包括：
根据至少两个邻小区中各邻小区的重选优先级和/或各邻小区的信号质量，从至少两个邻小区中确定出目标邻小区；
在确定目标邻小区时，可以从至少两个邻小区中选择出重选优先级较高和/或信号质量较好的邻小区为目标邻小区。
获取目标邻小区对应的小区重选信息。
当存在至少两个邻小区满足小区重选条件时，可以根据至少两个邻小区中各邻小区的重选优先级和/或各邻小区的信号质量，自动地从至少两个邻小区中确定出目标邻小区，进而获取目标邻小区对应的小区重选信息，然后进行进一步判断，以避免短时间内反复进行乒乓重选。
在一个实施例中，小区重选信息还包括以下至少一项：
当前服务小区的标识、邻小区的标识、小区重选原因；
当前服务小区的标识可以是当前服务小区的ID(即小区识别码)和频点，邻小区的标识可以是邻小区的ID(即小区识别码)和频点，小区重选原因可以是小区重选优先级较低，小区最小接入电平较高、小区信号质量不佳等。
历史乒乓重选记录还包括以下至少一项：
各项乒乓重选记录对应的原小区的标识、各项乒乓重选记录对应的目的小区的标识、各项乒乓重选记录对应的小区重选原因，其中，各项乒乓重选记录中的上述信息可以以表格的形式记录着。
各项乒乓重选记录对应的原小区的标识为各项乒乓重选记录中记录的第一次小区重 选之前终端驻留的小区的标识，各项乒乓重选记录对应的目的小区的标识为各项乒乓重选记录中记录的第一次小区重选之后终端驻留的小区的标识。
例如：当某项乒乓重选记录为从A小区重选B小区进而又从B小区重选A小区时，由于在该项乒乓重选记录中在第一次小区重选之前，终端驻留在A小区，因而该项乒乓重选记录对应的原小区的标识即为A小区的标识，在第一次小区重选之后，终端驻留在B小区，因而，该项乒乓重选记录对应的目的小区即为B小区的标识，而该项乒乓重选记录对应的小区重选原因为从A小区重选选择B小区的原因(当然，由于乒乓重选时，两次小区的重选原因基本上是相同的，因而，该项乒乓重选记录对应的小区重选原因也可以是从B小区重选回A小区的原因)，该项乒乓重选记录对应的历史小区重选时间为从A小区切换至B小区的时间。
在一个实施例中，上述图1所示的步骤S103可被执行为：
当小区重选信息与历史乒乓重选记录中任一项乒乓重选记录满足以下匹配条件时，确定小区重选信息与任一项乒乓重选记录相匹配，其中，匹配条件包括：
当前服务小区的标识与任一项乒乓重选记录对应的原小区的标识相匹配；
当前服务小区的标识与任一项乒乓重选记录对应的原小区的标识相匹配可以包括当前服务小区的标识与任一项乒乓重选记录对应的原小区的标识相同，即当前服务小区的ID(即小区识别码)和频点分别与该任一项乒乓重选记录对应的原小区的ID和频点相同。
邻小区的标识与任一项乒乓重选记录对应的目的小区的标识相匹配；
邻小区的标识与任一项乒乓重选记录对应的目的小区的标识相匹配也可以包括邻小区的标识与任一项乒乓重选记录对应的目的小区的标识相同，即邻小区的ID(即小区识别码)和频点分别与该任一项乒乓重选记录对应的目的小区的ID和频点相同。
小区重选原因与任一项乒乓重选记录对应的小区重选原因相匹配，而小区重选原因与任一项乒乓重选记录对应的小区重选原因相匹配可以是小区重选原因与任一项乒乓重选记录对应的小区重选原因相同。
例如：当某项乒乓重选记录为从C小区重选D小区又从D小区重选回C小区，C小区对应的标识的ID号为M频点为N，D小区对应的标识的ID号为P频点为Q，该项乒乓重选记录对应的小区重选原因为当前小区重选优先级较低，则首先说明该项乒乓重选记录对应的原小区为C小区、目标小区为D小区，因而，如果当前服务小区为ID号为M频点为N的C小区，邻小区为ID号为P频点为Q的D小区，且小区重选原因为C小区重选优先级较低，则说明终端当前驻留的C小区对应的小区重选信息与该项乒乓重选记录相匹配。
对应本公开实施例提供的上述小区重选方法，本公开实施例还提供一种小区重选装置。
图4是根据一示例性实施例示出的一种小区重选装置的框图。
如图4所示，该装置包括第一判断模块401、获取模块402、第二判断模块403、第 三判断模块404和选择模块405：
第一判断模块401，被配置为当驻留在当前服务小区时，判断邻小区是否满足小区重选条件；
获取模块402，被配置为当邻小区满足小区重选条件时，获取邻小区对应的小区重选信息；
第二判断模块403，被配置为判断小区重选信息是否与历史乒乓重选记录相匹配，其中，小区重选信息至少包括：当前的小区重选时间、历史乒乓重选记录至少包括：各项乒乓重选记录对应的历史小区重选时间；
第三判断模块404，被配置为当小区重选信息与历史乒乓重选记录中任一项乒乓重选记录相匹配时，判断当前的小区重选时间与任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差；
选择模块405，被配置为当时间差大于预设时间差时，重新选择邻小区作为当前服务小区，以驻留在邻小区。
图5是根据一示例性实施例示出的另一种小区重选装置的框图。
如图5所示，在一个实施例中，上述图4所示的装置还可包括处理模块501和记录模块502：
处理模块501，被配置为在重新选择邻小区作为当前服务小区之后，延长预设时间差；
记录模块502，被配置为将小区重选信息记录至历史乒乓重选记录，以更新历史乒乓重选记录。
图6是根据一示例性实施例示出的又一种小区重选装置的框图。
如图6所示，在一个实施例中，上述图4所示的第一判断模块401可以包括第一获取子模块4011和判断子模块4012：
第一获取子模块4011，被配置为获取小区重选参数；
判断子模块4012，被配置为根据小区重选参数，判断邻小区是否满足小区重选条件。
在一个实施例中，第一获取子模块4011可以包括接收单元和/或测量单元：
接收单元，被配置为接收当前服务小区的基站下发的系统消息，其中，系统消息包括以下至少一项：当前服务小区的重选优先级、当前服务小区的最小接入电平、邻小区的重选优先级、邻小区的最小接入电平；
和/或
测量单元，被配置为测量当前服务小区和邻小区的信号质量，其中，信号质量包括以下至少一项：当前信号电平、参考信号接收功率、参考信号接收质量。
在一个实施例中，判断子模块4012可以包括判定单元：
判定单元，被配置为当小区重选参数满足预设条件时，判定邻小区满足小区重选条件，其中，预设条件包括：
邻小区的当前信号电平不小于邻小区的最小接入电平且邻小区的重选优先级高于当 前服务小区的重选优先级；或者
邻小区的参考信号接收功率对应的信号电平不小于邻小区的最小接入电平且邻小区的重选优先级高于当前服务小区的重选优先级；或者
当前服务小区的当前信号电平小于当前服务小区的最小接入电平且邻小区的重选优先级低于当前服务小区的重选优先级。
图7是根据一示例性实施例示出的再一种小区重选装置的框图。
如图7所示，在一个实施例中，上述图6所示的获取模块402可以包括第一确定子模块4021和第二获取子模块4022：
第一确定子模块4021，被配置为当存在至少两个邻小区满足小区重选条件时，根据至少两个邻小区中各邻小区的重选优先级和/或各邻小区的信号质量，从至少两个邻小区中确定出目标邻小区；
第二获取子模块4022，被配置为获取目标邻小区对应的小区重选信息。
在一个实施例中，小区重选信息还包括以下至少一项：
当前服务小区的标识、邻小区的标识、小区重选原因；
历史乒乓重选记录还包括以下至少一项：
各项乒乓重选记录对应的原小区的标识、各项乒乓重选记录对应的目的小区的标识、各项乒乓重选记录对应的小区重选原因。
图8是根据一示例性实施例示出的再一种小区重选装置的框图。
如图8所示，在一个实施例中，上述图4所示的第二判断模块403可以包括第二确定子模块4031：
第二确定子模块4031，被配置为当小区重选信息与历史乒乓重选记录中任一项乒乓重选记录满足以下匹配条件时，确定小区重选信息与任一项乒乓重选记录相匹配，其中，匹配条件包括：
当前服务小区的标识与任一项乒乓重选记录对应的原小区的标识相匹配；
邻小区的标识与任一项乒乓重选记录对应的目的小区的标识相匹配；
小区重选原因与任一项乒乓重选记录对应的小区重选原因相匹配。
根据本公开实施例的第三方面，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，处理器被配置为：
当驻留在当前服务小区时，判断邻小区是否满足小区重选条件；
当所述邻小区满足所述小区重选条件时，获取所述邻小区对应的小区重选信息；
判断所述小区重选信息是否与历史乒乓重选记录相匹配，其中，所述小区重选信息至少包括：当前的小区重选时间、所述历史乒乓重选记录至少包括：各项乒乓重选记录对应的历史小区重选时间；
当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录相匹配时，判断所述当前的小区重选时间与所述任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差；
当所述时间差大于所述预设时间差时，重新选择所述邻小区作为所述当前服务小区，以驻留在所述邻小区。
上述处理器还可被配置为：
所述方法还包括：
在重新选择所述邻小区作为所述当前服务小区之后，延长所述预设时间差；
将所述小区重选信息记录至所述历史乒乓重选记录，以更新所述历史乒乓重选记录。
在一个实施例中，所述当驻留在当前服务小区时，判断邻小区是否满足小区重选条件，包括：
获取小区重选参数；
根据所述小区重选参数，判断所述邻小区是否满足所述小区重选条件。
上述处理器还可被配置为：
所述获取小区重选参数，包括：
接收所述当前服务小区的基站下发的系统消息，其中，所述系统消息包括以下至少一项：所述当前服务小区的重选优先级、所述当前服务小区的最小接入电平、所述邻小区的重选优先级、所述邻小区的最小接入电平；
和/或
测量所述当前服务小区和所述邻小区的信号质量，其中，所述信号质量包括以下至少一项：当前信号电平、参考信号接收功率、参考信号接收质量。
上述处理器还可被配置为：
根据所述小区重选参数，判断所述邻小区是否满足所述小区重选条件，包括：
当所述小区重选参数满足预设条件时，判定所述邻小区满足所述小区重选条件，其中，所述预设条件包括：
所述邻小区的当前信号电平不小于所述邻小区的最小接入电平且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
所述邻小区的参考信号接收功率对应的信号电平不小于所述邻小区的最小接入电平且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
所述当前服务小区的当前信号电平小于所述当前服务小区的最小接入电平且所述邻小区的重选优先级低于所述当前服务小区的重选优先级。
在一个实施例中，当存在至少两个邻小区满足所述小区重选条件时，所述获取所述邻小区对应的小区重选信息，包括：
根据所述至少两个邻小区中各邻小区的重选优先级和/或所述各邻小区的信号质量，从所述至少两个邻小区中确定出目标邻小区；
获取所述目标邻小区对应的小区重选信息。
上述处理器还可被配置为：
所述小区重选信息还包括以下至少一项：
所述当前服务小区的标识、所述邻小区的标识、小区重选原因；
所述历史乒乓重选记录还包括以下至少一项：
所述各项乒乓重选记录对应的原小区的标识、所述各项乒乓重选记录对应的目的小区的标识、所述各项乒乓重选记录对应的小区重选原因。
上述处理器还可被配置为：
所述判断所述小区重选信息是否与历史乒乓重选记录相匹配，包括：
当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录满足以下匹配条件时，确定所述小区重选信息与所述任一项乒乓重选记录相匹配，其中，所述匹配条件包括：
所述当前服务小区的标识与所述任一项乒乓重选记录对应的原小区的标识相匹配；
所述邻小区的标识与所述任一项乒乓重选记录对应的目的小区的标识相匹配；
所述小区重选原因与所述任一项乒乓重选记录对应的小区重选原因相匹配。
图9是根据一示例性实施例示出的一种用于小区重选装置900的框图，该装置适用于终端设备。例如，装置900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，个用户数字助理等。
参照图9，装置900可以包括以下一个或至少两个组件：处理组件902，存储器904，电源组件906，多媒体组件908，音频组件910，输入/输出(I/O)接口912，传感器组件914，以及通信组件916。
处理组件902通常控制装置900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902可以包括一个或至少两个处理器920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902可以包括一个或至少两个模块，便于处理组件902和其他组件之间的交互。例如，处理组件902可以包括多媒体模块，以方便多媒体组件908和处理组件902之间的交互。
存储器904被配置为存储各种类型的数据以支持在装置900的操作。这些数据的示例包括用于在装置900上操作的任何存储对象或方法的指令，联系用户数据，电话簿数据，消息，图片，视频等。存储器904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。
电源组件906为装置900的各种组件提供电源。电源组件906可以包括电源管理系统，一个或至少两个电源，及其他与为装置900生成、管理和分配电源相关联的组件。
多媒体组件908包括在所述装置900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至少两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908包括一个前置摄像头和/或后置摄像头。当装置900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910被配置为输出和/或输入音频信号。例如，音频组件910包括一个麦克风(MIC)，当装置900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904或经由通信组件916发送。在一些实施例中，音频组件910还包括一个扬声器，用于输出音频信号。
I/O接口912为处理组件902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914包括一个或至少两个传感器，用于为装置900提供各个方面的状态评估。例如，传感器组件914可以检测到装置900的打开/关闭状态，组件的相对定位，例如所述组件为装置900的显示器和小键盘，传感器组件914还可以检测装置900或装置900一个组件的位置改变，用户与装置900接触的存在或不存在，装置900方位或加速/减速和装置900的温度变化。传感器组件914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914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914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916被配置为便于装置900和其他设备之间有线或无线方式的通信。装置900可以接入基于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916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916还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(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900可以被一个或至少两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组件实现，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904，上述指令可由装置900的处理器920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。
一种非临时性计算机可读存储介质，当所述存储介质中的指令由上述装置900的处理器执行时，使得上述装置900能够执行一种小区重选方法，包括：
当驻留在当前服务小区时，判断邻小区是否满足小区重选条件；
当所述邻小区满足所述小区重选条件时，获取所述邻小区对应的小区重选信息；
判断所述小区重选信息是否与历史乒乓重选记录相匹配，其中，所述小区重选信息至少包括：当前的小区重选时间、所述历史乒乓重选记录至少包括：各项乒乓重选记录对应的历史小区重选时间；
当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录相匹配时，判断所述当前的小区重选时间与所述任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差；
当所述时间差大于所述预设时间差时，重新选择所述邻小区作为所述当前服务小区，以驻留在所述邻小区。
在一个实施例中，所述方法还包括：
在重新选择所述邻小区作为所述当前服务小区之后，延长所述预设时间差；
将所述小区重选信息记录至所述历史乒乓重选记录，以更新所述历史乒乓重选记录。
在一个实施例中，所述当驻留在当前服务小区时，判断邻小区是否满足小区重选条件，包括：
获取小区重选参数；
根据所述小区重选参数，判断所述邻小区是否满足所述小区重选条件。
在一个实施例中，所述获取小区重选参数，包括：
接收所述当前服务小区的基站下发的系统消息，其中，所述系统消息包括以下至少一项：所述当前服务小区的重选优先级、所述当前服务小区的最小接入电平、所述邻小区的重选优先级、所述邻小区的最小接入电平；
和/或
测量所述当前服务小区和所述邻小区的信号质量，其中，所述信号质量包括以下至少一项：当前信号电平、参考信号接收功率、参考信号接收质量。
在一个实施例中，根据所述小区重选参数，判断所述邻小区是否满足所述小区重选条件，包括：
当所述小区重选参数满足预设条件时，判定所述邻小区满足所述小区重选条件，其中，所述预设条件包括：
所述邻小区的当前信号电平不小于所述邻小区的最小接入电平且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
所述邻小区的参考信号接收功率对应的信号电平不小于所述邻小区的最小接入电平 且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
所述当前服务小区的当前信号电平小于所述当前服务小区的最小接入电平且所述邻小区的重选优先级低于所述当前服务小区的重选优先级。
在一个实施例中，当存在至少两个邻小区满足所述小区重选条件时，所述获取所述邻小区对应的小区重选信息，包括：
根据所述至少两个邻小区中各邻小区的重选优先级和/或所述各邻小区的信号质量，从所述至少两个邻小区中确定出目标邻小区；
获取所述目标邻小区对应的小区重选信息。
在一个实施例中，所述小区重选信息还包括以下至少一项：
所述当前服务小区的标识、所述邻小区的标识、小区重选原因；
所述历史乒乓重选记录还包括以下至少一项：
所述各项乒乓重选记录对应的原小区的标识、所述各项乒乓重选记录对应的目的小区的标识、所述各项乒乓重选记录对应的小区重选原因。
在一个实施例中，所述判断所述小区重选信息是否与历史乒乓重选记录相匹配，包括：
当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录满足以下匹配条件时，确定所述小区重选信息与所述任一项乒乓重选记录相匹配，其中，所述匹配条件包括：
所述当前服务小区的标识与所述任一项乒乓重选记录对应的原小区的标识相匹配；
所述邻小区的标识与所述任一项乒乓重选记录对应的目的小区的标识相匹配；
所述小区重选原因与所述任一项乒乓重选记录对应的小区重选原因相匹配。
本领域技术用户员在考虑说明书及实践这里公开的公开后，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 (17)

  1. 一种小区重选方法，其特征在于，包括：
    当驻留在当前服务小区时，判断邻小区是否满足小区重选条件；
    当所述邻小区满足所述小区重选条件时，获取所述邻小区对应的小区重选信息；
    判断所述小区重选信息是否与历史乒乓重选记录相匹配，其中，所述小区重选信息至少包括：当前的小区重选时间、所述历史乒乓重选记录至少包括：各项乒乓重选记录对应的历史小区重选时间；
    当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录相匹配时，判断所述当前的小区重选时间与所述任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差；
    当所述时间差大于所述预设时间差时，重新选择所述邻小区作为所述当前服务小区，以驻留在所述邻小区。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    在重新选择所述邻小区作为所述当前服务小区之后，延长所述预设时间差；
    将所述小区重选信息记录至所述历史乒乓重选记录，以更新所述历史乒乓重选记录。
  3. 根据权利要求1所述的方法，其特征在于，
    所述当驻留在当前服务小区时，判断邻小区是否满足小区重选条件，包括：
    获取小区重选参数；
    根据所述小区重选参数，判断所述邻小区是否满足所述小区重选条件。
  4. 根据权利要求3所述的方法，其特征在于，
    所述获取小区重选参数，包括：
    接收所述当前服务小区的基站下发的系统消息，其中，所述系统消息包括以下至少一项：所述当前服务小区的重选优先级、所述当前服务小区的最小接入电平、所述邻小区的重选优先级、所述邻小区的最小接入电平；
    和/或
    测量所述当前服务小区和所述邻小区的信号质量，其中，所述信号质量包括以下至少一项：当前信号电平、参考信号接收功率、参考信号接收质量。
  5. 根据权利要求4所述的方法，其特征在于，
    根据所述小区重选参数，判断所述邻小区是否满足所述小区重选条件，包括：
    当所述小区重选参数满足预设条件时，判定所述邻小区满足所述小区重选条件，其中，所述预设条件包括：
    所述邻小区的当前信号电平不小于所述邻小区的最小接入电平且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
    所述邻小区的参考信号接收功率对应的信号电平不小于所述邻小区的最小接入电平且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
    所述当前服务小区的当前信号电平小于所述当前服务小区的最小接入电平且所述邻小区的重选优先级低于所述当前服务小区的重选优先级。
  6. 根据权利要求4所述的方法，其特征在于，
    当存在至少两个邻小区满足所述小区重选条件时，所述获取所述邻小区对应的小区重选信息，包括：
    根据所述至少两个邻小区中各邻小区的重选优先级和/或所述各邻小区的信号质量，从所述至少两个邻小区中确定出目标邻小区；
    获取所述目标邻小区对应的小区重选信息。
  7. 根据权利要求1至6中任一项所述的方法，其特征在于，
    所述小区重选信息还包括以下至少一项：
    所述当前服务小区的标识、所述邻小区的标识、小区重选原因；
    所述历史乒乓重选记录还包括以下至少一项：
    所述各项乒乓重选记录对应的原小区的标识、所述各项乒乓重选记录对应的目的小区的标识、所述各项乒乓重选记录对应的小区重选原因。
  8. 根据权利要求7所述的方法，其特征在于，
    所述判断所述小区重选信息是否与历史乒乓重选记录相匹配，包括：
    当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录满足以下匹配条件时，确定所述小区重选信息与所述任一项乒乓重选记录相匹配，其中，所述匹配条件包括：
    所述当前服务小区的标识与所述任一项乒乓重选记录对应的原小区的标识相匹配；
    所述邻小区的标识与所述任一项乒乓重选记录对应的目的小区的标识相匹配；
    所述小区重选原因与所述任一项乒乓重选记录对应的小区重选原因相匹配。
  9. 一种小区重选装置，其特征在于，包括：
    第一判断模块，用于当驻留在当前服务小区时，判断邻小区是否满足小区重选条件；
    获取模块，用于当所述邻小区满足所述小区重选条件时，获取所述邻小区对应的小区重选信息；
    第二判断模块，用于判断所述小区重选信息是否与历史乒乓重选记录相匹配，其中，所述小区重选信息至少包括：当前的小区重选时间、所述历史乒乓重选记录至少包括：各项乒乓重选记录对应的历史小区重选时间；
    第三判断模块，用于当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录相匹配时，判断所述当前的小区重选时间与所述任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差；
    选择模块，用于当所述时间差大于所述预设时间差时，重新选择所述邻小区作为所述当前服务小区，以驻留在所述邻小区。
  10. 根据权利要求9所述的装置，其特征在于，所述装置还包括：
    处理模块，用于在重新选择所述邻小区作为所述当前服务小区之后，延长所述预设时间差；
    记录模块，用于将所述小区重选信息记录至所述历史乒乓重选记录，以更新所述历史乒乓重选记录。
  11. 根据权利要求9所述的装置，其特征在于，
    所述第一判断模块包括：
    第一获取子模块，用于获取小区重选参数；
    判断子模块，用于根据所述小区重选参数，判断所述邻小区是否满足所述小区重选条件。
  12. 根据权利要求11所述的装置，其特征在于，
    所述第一获取子模块包括：
    接收单元，用于接收所述当前服务小区的基站下发的系统消息，其中，所述系统消息包括以下至少一项：所述当前服务小区的重选优先级、所述当前服务小区的最小接入电平、所述邻小区的重选优先级、所述邻小区的最小接入电平；
    和/或
    测量单元，用于测量所述当前服务小区和所述邻小区的信号质量，其中，所述信号质量包括以下至少一项：当前信号电平、参考信号接收功率、参考信号接收质量。
  13. 根据权利要求12所述的装置，其特征在于，
    所述判断子模块包括：
    判定单元，用于当所述小区重选参数满足预设条件时，判定所述邻小区满足所述小区重选条件，其中，所述预设条件包括：
    所述邻小区的当前信号电平不小于所述邻小区的最小接入电平且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
    所述邻小区的参考信号接收功率对应的信号电平不小于所述邻小区的最小接入电平且所述邻小区的重选优先级高于所述当前服务小区的重选优先级；或者
    所述当前服务小区的当前信号电平小于所述当前服务小区的最小接入电平且所述邻小区的重选优先级低于所述当前服务小区的重选优先级。
  14. 根据权利要求12所述的装置，其特征在于，
    所述获取模块包括：
    第一确定子模块，用于当存在至少两个邻小区满足所述小区重选条件时，根据所述至少两个邻小区中各邻小区的重选优先级和/或所述各邻小区的信号质量，从所述至少两个邻小区中确定出目标邻小区；
    第二获取子模块，用于获取所述目标邻小区对应的小区重选信息。
  15. 根据权利要求9至14中任一项所述的装置，其特征在于，
    所述小区重选信息还包括以下至少一项：
    所述当前服务小区的标识、所述邻小区的标识、小区重选原因；
    所述历史乒乓重选记录还包括以下至少一项：
    所述各项乒乓重选记录对应的原小区的标识、所述各项乒乓重选记录对应的目的小区的标识、所述各项乒乓重选记录对应的小区重选原因。
  16. 根据权利要求15所述的装置，其特征在于，
    所述第二判断模块包括：
    第二确定子模块，用于当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录满足以下匹配条件时，确定所述小区重选信息与所述任一项乒乓重选记录相匹配，其中，所述匹配条件包括：
    所述当前服务小区的标识与所述任一项乒乓重选记录对应的原小区的标识相匹配；
    所述邻小区的标识与所述任一项乒乓重选记录对应的目的小区的标识相匹配；
    所述小区重选原因与所述任一项乒乓重选记录对应的小区重选原因相匹配。
  17. 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：
    当驻留在当前服务小区时，判断邻小区是否满足小区重选条件；
    当所述邻小区满足所述小区重选条件时，获取所述邻小区对应的小区重选信息；
    判断所述小区重选信息是否与历史乒乓重选记录相匹配，其中，所述小区重选信息至少包括：当前的小区重选时间、所述历史乒乓重选记录至少包括：各项乒乓重选记录对应的历史小区重选时间；
    当所述小区重选信息与所述历史乒乓重选记录中任一项乒乓重选记录相匹配时，判断所述当前的小区重选时间与所述任一项乒乓重选记录对应的历史小区重选时间之间的时间差是否大于预设时间差；
    当所述时间差大于所述预设时间差时，重新选择所述邻小区作为所述当前服务小区，以驻留在所述邻小区。
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