WO2016054882A1

WO2016054882A1 - Method and device for neighbor cell maintenance and computer storage medium

Info

Publication number: WO2016054882A1
Application number: PCT/CN2015/072291
Authority: WO
Inventors: 孙伟
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-10-09
Filing date: 2015-02-05
Publication date: 2016-04-14
Also published as: CN105578443A

Abstract

A method and device for neighbor cell maintenance and a computer storage medium are disclosed in the present invention. The method comprises: after obtaining candidate neighbor cells of a serving cell (including a configured neighbor cell in a configured neighbor cell list of the serving cell and a discovered unknown neighbor cell of the serving cell), calculating the handover performance of each candidate neighbor cell; and, selecting M neighbor cells having the optimal handover performance as formally-configured neighbor cells of the serving cell according to the handover performance of each candidate neighbor cell.

Description

Neighborhood maintenance method, device and computer storage medium

Technical field

The present invention relates to a cell switching technology in the field of communications, and in particular, to a neighboring cell maintenance method, apparatus, and computer storage medium.

Background technique

In order to improve the efficiency of the neighboring area configuration, an Automatic Neighbor Relation (ANR) function is introduced in the LTE system. The LTE system can automatically discover unknown neighbors through user-side (UE, User Equipment) measurements and automatically add neighboring configurations. However, when the cell deployment in the network is dense or multi-layered, there will be many neighbors around the serving cell, which may exceed the number of neighbors that the system can support. For example, the number of neighboring cells that the serving cell can support is N, and the number of cells that have an adjacency with the coverage of the serving cell is M. Then when M is greater than N, the system cannot be added to the neighbor configuration of all neighboring cells. Then, the neighboring handover performance that is first discovered and added through the ANR may not be good, and the neighboring handover performance found later is good, but cannot be added due to insufficient space. For example, for the serving cell S, the surrounding coverage ranges from adjacent cells A, B, C, and D, and the results of the number of successful handovers and the number of measurement reports are A, B, C, and D. The serving cell S can support the addition of three neighboring cells. If the time sequence in which the S automatically discovers the neighboring cells by the UE measurement is B, D, A, and C, the serving cell S will be added according to the discovered time sequence and the system capability limitation. The adjacency relationship of the neighboring cell C cannot be added, but the adjacency relationship of the serving cell to the D with poor handover performance is added.

It can be seen that, according to the existing neighboring area maintenance policy, a neighboring area with poor handover performance is added, and the neighboring area with good handover performance is not limited by the space limitation.

Summary of the invention

Embodiments of the present invention provide a neighboring area maintenance method, apparatus, and computer storage medium, which are capable of Add a neighboring area with good handover performance for the serving cell screening, and delete the neighboring area with poor performance.

The embodiment of the invention provides a neighboring area maintenance method, including:

The handover performance of each candidate neighboring cell of the serving cell is included; the candidate neighboring cell includes the configured neighboring cell in the neighboring cell list of the serving cell and the unknown neighboring cell of the serving cell;

Selecting, according to the handover performance, the M neighboring areas with the best handover performance as the formal configuration neighboring area of the serving cell; the M is less than or equal to the maximum number of neighboring areas supported by the serving cell. .

In an embodiment of the present invention, the handover performance of the candidate neighboring cell is switched by the user terminal from the serving cell to the candidate neighboring cell in a preset statistical period, and the user terminal is preset. At least one of the handover success rate of the handover from the serving cell to each candidate neighboring cell and the number of measurement reporting times of the candidate neighboring cells by the user terminal within a preset statistical period.

In an embodiment of the present invention, the selecting, according to the handover performance, the M configurations that are good for the serving cell from the candidate neighboring areas include:

Sorting the candidate neighboring cells according to the switching performance from optimal to poor;

The M neighboring areas with the best handover performance are selected as the officially configured neighboring areas of the serving cell.

In an embodiment of the present invention, the handover performance is switched by the user terminal from the serving cell to the candidate neighboring cells in a preset statistical period, and the user terminal is in a preset statistical period. When the handover success rate of the candidate cell is switched from the serving cell to the candidate neighboring cell, and the number of times of measurement reporting by the user terminal to each candidate neighboring cell in a preset statistical period, the switching performance is in the order of optimal to poor. Sorting each candidate neighbor includes:

Directly sorting each candidate neighboring area according to a preset rule;

or,

Deleting each candidate neighboring cell into the first queue and the second according to whether the number of times the user terminal switches from the serving cell to the candidate neighboring cell in the preset statistical period is greater than a preset threshold a queue; respectively, sorting each candidate neighboring area in the first queue and the second queue according to a preset rule to obtain a first sorting sequence and a second sorting sequence, respectively, and sequentially adding candidate neighboring areas in the second sorting sequence to the first After the last candidate neighbor in a sorted sequence;

The preset rule is: sorting according to the order of switching success rate from high to low, and reordering according to the order of switching times from high to low for the same switching success rate, and the switching success rate and the number of switching times are the same. , sorted again in descending order of the number of times the measurement is reported.

In an embodiment of the present invention, when the number of the candidate neighboring cells is less than or equal to the maximum number of neighboring cells N supported by the serving cell, the M is equal to the number of the candidate neighboring cells;

When the number of candidate neighboring cells is greater than the maximum number of neighboring cells N supported by the serving cell, the M is equal to the N.

In an embodiment of the present invention, before the switching performance of each candidate neighboring cell is calculated, the method further includes:

Determining whether the number of the candidate neighboring cells is less than or equal to the maximum number of neighboring cells N supported by the serving cell. If yes, the candidate neighboring cells are directly used as the officially configured neighboring cells of the serving cell.

The embodiment of the invention further provides a neighboring area maintenance device, comprising: a statistics module and a selection module;

The statistic module is configured to count the handover performance of each candidate neighboring cell in the serving cell; the candidate neighboring cell includes the configured neighboring cell in the neighboring cell list and the unknown neighboring cell in the serving cell.

The selection module is configured to select, according to the handover performance, the M neighboring areas with the best handover performance from the candidate neighboring areas as the officially configured neighboring areas of the serving cell; the M is less than or equal to the supported by the serving cell. The maximum number of neighbors is N.

In an embodiment of the present invention, the statistics module includes a handover statistics submodule and/or a measurement report number statistics submodule;

The switching statistics sub-module is configured to: in a preset statistical period, count the number of handovers and/or handover success rate of the user terminal switching from the serving cell to the candidate neighboring cells;

The measurement reporting times statistics sub-module is configured to count the number of times the user terminal reports the measurement of the candidate neighboring areas in a preset statistical period.

In an embodiment of the present invention, the selection module includes a sorting submodule and a selection submodule;

The ordering sub-module is configured to sort the candidate neighboring cells according to the switching performance from optimal to poor;

The selecting submodule is configured to select M candidate neighboring areas with the best switching performance as the officially configured neighboring areas of the serving cell.

In an embodiment of the present invention, the handover performance is switched by the user terminal from the serving cell to the candidate neighboring cells in a preset statistical period, and the user terminal is in a preset statistical period. When the handover success rate of the candidate cell is switched from the serving cell to the candidate neighboring cell, and the number of times of measurement reporting by the user terminal in each of the candidate neighboring cells in the preset statistical period, the configuration is further configured to directly pre-select each candidate neighboring cell. Set rules to sort;

or,

Determining, by the user terminal, whether the number of handovers from the serving cell to the candidate neighboring cell is greater than a preset threshold in a predetermined statistical period, and dividing each candidate neighboring cell into a first queue and a second queue; The candidate neighboring cells in the first queue and the second queue are sorted according to a preset rule to obtain a first sorting sequence and a second sorting sequence, respectively, and the candidate neighboring cells in the second sorting sequence are sequentially added to the first sorting sequence. After the last candidate neighborhood;

The preset rule includes: sorting according to a sequence of switching success rates from high to low, and reordering according to the order of switching times from high to low for the same switching success rate, and the switching success rate and the number of switching times are the same. , sorted again in descending order of the number of times the measurement is reported.

In an embodiment of the present invention, the method further includes: a determining module, configured to determine, before the statistics module, the statistics of the handover performance of the candidate neighboring cells, whether the number of the candidate neighboring cells is less than or equal to the serving cell The maximum number of neighbor cells N supported, if yes, directly informs the selection module to use the candidate neighboring cells as the officially configured neighboring cells of the serving cell.

The embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores executable instructions, and the executable instructions are used to execute the neighboring area maintenance method.

The beneficial effects of the embodiments of the present invention are:

The neighboring cell maintenance method and device provided by the embodiment of the present invention, the neighboring cell maintenance process is: obtaining the candidate neighboring cell of the serving cell (including the configured neighboring cell and the discovered serving cell in the neighboring cell list of the serving cell) After the neighboring cell is unknown, the switching performance of each candidate neighboring cell is counted. According to the switching performance of each candidate neighboring cell, M switching performances are selected as the officially configured neighboring cell of the serving cell. It can be seen that, in the present invention, after detecting the unknown neighboring cell, it is not immediately determined whether to add the current remaining space of the serving cell according to the current remaining space of the serving cell; instead, the switching performance of each neighboring zone that has been configured and to be configured is acquired, and then M is selected therefrom. A neighboring area with good handover performance is used as the officially configured neighboring area of the serving cell. The neighboring area that has been configured and whose switching performance is worse than the selected M neighboring areas is deleted from the configured neighboring area list to ensure the added neighboring neighbors. The zone is the best neighborhood for switching performance.

DRAWINGS

1 is a schematic flowchart of a neighboring cell maintenance method according to Embodiment 1 of the present invention;

2 is a schematic structural diagram of a neighboring area maintenance apparatus according to Embodiment 2 of the present invention;

3 is a schematic structural diagram of another adjacent area maintenance device according to Embodiment 2 of the present invention;

4 is a schematic flowchart of a first neighboring area maintenance method according to Embodiment 3 of the present invention;

FIG. 5 is a schematic flowchart of a second neighboring area maintenance method according to Embodiment 3 of the present invention; FIG.

FIG. 6 is a schematic flowchart of a third neighboring cell maintenance method according to Embodiment 3 of the present invention.

detailed description

The present invention will be further described in detail below with reference to the accompanying drawings.

Embodiment 1:

Referring to FIG. 1 , the neighboring cell maintenance method provided in this embodiment includes:

Step 101: Acquire a candidate neighboring cell of the serving cell, where the candidate neighboring cell includes the configured neighboring cell in the neighboring cell list of the serving cell and the unknown neighboring cell of the discovered serving cell, and the unknown neighboring zone is referred to herein as Configuring a neighboring area;

Step 102: Statistics of handover performance of each candidate neighboring cell;

Step 103: Select, according to the obtained handover performance, the M neighboring areas with the best handover performance as the formal configuration neighboring cell of the serving cell; where M is less than or equal to the maximum neighboring cell number N supported by the serving cell.

In the above step 101, the unknown neighboring cell of the serving cell can be automatically found by UE measurement in the ANR process. After the UE measurement in the ANR process acquires the cell global unique identifier (ECGI, E-UTRAN Cell Global Identifier) of the neighboring cell, the neighboring cell information necessary for the handover is obtained, and the system supports the handover of the serving cell to the neighboring cell. In this case, the neighboring area is not directly added, but the neighboring area and the discovered neighboring area are both used as candidate neighboring areas of the serving cell. The neighboring area and the discovered neighboring area to be configured are collected. (region) handover performance, and then reordering the configured neighboring cells and the discovered neighboring cells to be configured based on the handover performance, and then selecting the M neighboring regions with the best handover performance, thereby ensuring that the added neighboring cells are all neighbors. The switching performance of the area is optimal. For example, the configured neighboring area and the neighboring area to be configured may be sorted according to the switching performance of each neighboring area. The M neighboring neighboring areas are selected as the serving cell. The official configuration of the neighborhood.

Preferably, when the sum of the number L of the neighboring cells that the serving cell has configured and the number K of the neighboring cells to be configured (ie, the total number of candidate neighboring cells) is less than or equal to the maximum number of neighboring cells N supported by the serving cell , that is, L+K<=N, indicating that the serving cell currently supports all the neighbors to be configured directly. The part is added, so M at this time is equal to the sum of the number of configured neighboring cells and the number of neighboring cells to be configured, that is, M=L+K;

When the sum of the number L of the neighboring cells and the number K of the neighboring cells to be configured (that is, the total number of candidate neighboring cells) is greater than the maximum number of neighboring cells N supported by the serving cell, that is, L+K> N, indicating that the number of the largest neighboring cells supported by the serving cell has been exceeded, and M is equal to N at this time; that is, selecting N neighboring cells with the best handover performance from all candidate neighboring cells as the officially configured cell; The neighbors that are configured and whose switching performance is worse than the selected N neighbors are deleted from the configured neighbor list.

In this embodiment, the handover performance of the candidate neighboring cell is switched from the serving cell to the candidate neighboring cell in the preset statistical period, and the user terminal switches from the serving cell to each candidate in a preset statistical period. The handover success rate of the neighboring cell and at least one of the number of measurement reports of the candidate neighboring cells by the user terminal within a preset statistical period. Correspondingly, in the foregoing step 102, the switching performance of each candidate neighboring area is included: in a preset statistical period (the statistical period is at least greater than the time when the handover is completed; to ensure statistical reliability, it is preferably set to an integral multiple of one day) And calculating at least one of a number of handovers of the user terminal from the serving cell to each candidate neighboring cell, a handover success rate of the user terminal switching from the serving cell to each candidate neighboring cell, and a number of measurement reporting times of the user terminal to each candidate neighboring cell. .

For example, the switching success rate of the user terminal from the serving cell to the configured neighboring cell and the neighboring cell to be configured may be counted, and then the neighboring cells may be sorted according to the switching success rate;

For example, the number of handovers of the user terminal from the serving cell to each of the configured neighboring cells and the neighboring cells to be configured may be counted, and then the neighboring cells may be sorted according to the number of switching times;

For example, the number of handovers and the handover success rate of the user terminal switching from the serving cell to each configured neighboring cell and each to-be-configured neighboring cell may be counted, and then the neighboring cells are sorted according to the switching success rate, and the switching success rate is the same. The neighboring area is reordered according to the number of switching times; or, then, the neighboring areas are sorted according to the number of switching times, and for the neighboring areas with the same number of switching times, Then reorder according to the level of the switching success rate.

In this embodiment, in order to ensure the accuracy and reliability of the statistics as much as possible, it is preferable to count the number of handovers of the user terminal from the serving cell to each candidate neighboring cell in a preset statistical period, and the user terminal is within a preset statistical period. The handover success rate of the serving cell to each candidate neighboring cell and the number of times the user terminal reports the evaluation of each candidate neighboring cell within a preset statistical period. At this time, sorting the candidate neighboring cells according to the order of switching performance from optimal to poor includes:

Directly sorting each candidate neighboring area according to a preset rule;

or,

The candidate neighboring areas are divided into the first queues according to whether the number of times of the switching of the candidate neighboring areas is greater than the preset threshold. In this embodiment, the candidate neighboring areas are larger than the preset threshold, and the serving cell switches to the candidate neighbors. The probability of the area is greater than each candidate neighboring area in the second queue, so in this embodiment, each candidate neighboring area in the first queue is ranked in front of each candidate neighboring area in the second queue) and the second queue (this embodiment) Medium is a candidate neighboring area that is less than or equal to the preset threshold value. Then, each candidate neighboring area in the first queue and the second queue is respectively sorted according to a preset rule to obtain a first sorting sequence and a second sorting sequence, respectively. And, the candidate neighboring cells in the second sorting sequence are sequentially added to the last candidate neighboring cell in the first sorting sequence. The preset threshold value in this embodiment may be specifically set according to factors such as the number of historical statistics switching and the network environment in which each serving cell is located.

The preset rule in this embodiment is: first sorting according to the switching success rate from high to low, and for the same switching success rate, reordering according to the switching times from high to low, for the switching success rate and If the number of switching times is the same, and then sorting is performed in descending order of the number of times the measurement is reported. For example, for each neighboring cell of the first queue whose number of switching times is greater than the preset threshold, the sorting process is: first sorting the neighboring cells according to the order of the switching success rate from high to low, for the neighbors with the same switching success rate The area is reordered according to the order of the number of handovers from high to low. For the handover success rate and the number of handovers are the same, the order of the number of measurement reports is reordered from high to low. Sorting each candidate neighbor in the second queue The process is similar to the above process and will not be described here.

After performing the above steps, you can restart the statistics cycle and perform the next round of statistics. In this way, it is possible to keep the best performance of handover performance in the neighboring cell where the configured neighboring cell is the serving cell.

In this embodiment, when the serving cell has configured the number of neighboring cells L and the number of discovered neighboring cells K (ie, the total number of candidate neighboring cells) is less than or equal to the maximum neighboring cell supported by the serving cell. When the number is N, that is, L+K<=N, it indicates that the serving cell currently supports all the neighbors to be configured to be directly added. The configuration of the configured neighboring cell and the neighboring cell to be configured in the neighboring cell list may be configured as the serving cell. Neighborhood. Therefore, in this embodiment, between step 101 and step 102, the method further includes:

Determining whether the sum of the number of neighboring cells L and the number of neighboring cells K to be configured (that is, the total number of candidate neighboring cells) is less than or equal to the maximum number of neighboring cells N supported by the serving cell, and if so, directly configuring the neighbors Both the area and the neighboring area to be configured are used as the officially configured neighboring areas of the serving cell; otherwise, the statistics of the switching performance of the configured neighboring area and the neighboring area to be configured are performed.

After the above steps are performed, when the unknown neighboring area is found again, the statistics period can be restarted and the next round of statistics is performed. In this way, it is possible to keep the best performance of handover performance in the neighboring cell where the configured neighboring cell is the serving cell.

Embodiment 2:

The neighboring area maintenance device provided by this embodiment may be implemented on a Serving Radio Network Controller (SRNC), as shown in FIG. 2, which includes: a neighboring area obtaining module 10, a statistic module 20, and a selecting module 30;

The neighboring area obtaining module 10 is configured to acquire a candidate neighboring cell of the serving cell, where the candidate neighboring cell includes each of the configured neighboring cells in the neighboring cell list of the serving cell and the unknown neighboring cell of the discovered serving cell. The neighboring area is the neighboring area to be configured;

The statistics module 20 is configured to count the handover performance of each candidate neighboring cell of the serving cell;

The selecting module 30 is configured to select, according to the handover performance of each neighboring cell, the M neighboring areas with the best switching performance as the formal configured neighboring areas of the serving cell; the M is less than or equal to the maximum number of neighboring cells supported by the serving cell. .

The selection module 30 in this embodiment includes a sorting submodule and a selection submodule;

The sorting sub-module is configured to sort each candidate neighboring cell according to the switching performance of each neighboring cell from optimal to poor;

The selected sub-module is configured to select the candidate neighboring areas of the M (the best switching performance) as the officially configured neighboring cells of the serving cell, and ensure that the added neighboring area is better in all neighboring areas. Preferably, when the sum of the number L of the neighboring cells that the serving cell has configured and the number K of the neighbors to be configured is less than or equal to the number N of the neighbors supported by the serving cell, that is, L+K<=N, It indicates that the serving cell currently supports all the neighboring cells to be directly added. Therefore, M is equal to the sum of the number of configured neighboring cells and the number of neighboring cells to be configured, that is, M=L+K;

When the sum of the number L of the neighboring cells in the serving cell and the number K of the neighboring cells to be configured is greater than the maximum number of neighboring cells N supported by the serving cell, that is, L+K>N, indicating that the serving cell supports The number of the largest neighboring cell, where M is equal to N; that is, selecting the neighboring zone with the best N switching performance from all the neighboring cells as the officially configured cell; for the N neighboring cells that have been configured and the switching performance ratio is selected The bad neighbors are removed from the list of configured neighbors.

In this embodiment, the handover performance of the candidate neighboring cell is switched from the serving cell to the candidate neighboring cell in the preset statistical period, and the user terminal switches from the serving cell to each candidate in a preset statistical period. The handover success rate of the neighboring cell and at least one of the number of measurement reports of the candidate neighboring cells by the user terminal within a preset statistical period. Correspondingly, the statistics module 20 in this embodiment includes a handover statistics submodule and/or a measurement report number submodule;

The handover statistics sub-module is configured to count the number of handovers and/or handover success rate of the user terminal switching from the serving cell to each candidate neighboring cell in a preset statistical period;

The measurement report count sub-module is configured to count user terminals in a preset statistical period. The number of times the measurement is reported for each candidate neighboring cell.

For example, the switching statistic sub-module can be used to count the handover success rate of the user terminal from the serving cell to each configured neighboring cell and each neighboring zone to be configured, and then the sequencing sub-module sorts the neighboring cells according to the switching success rate;

For example, the switching sub-module can be used to count the number of handovers of the user terminal from the serving cell to each configured neighboring cell and each neighboring cell to be configured, and then the sub-module sorts the neighboring cells according to the number of switching times.

For example, the switching statistics sub-module can be used to count the number of handovers and handover success rates of the user terminal from the serving cell to each configured neighboring cell and each to-be-configured neighboring cell, and then the sequencing sub-module first performs the neighboring cell according to the switching success rate. Sorting, for the neighboring areas with the same switching success rate, and then reordering according to the number of switching times; or then sorting the neighboring areas according to the number of switching times, for the neighboring areas with the same number of switching times, according to the switching success rate Reorder.

In this embodiment, in order to ensure statistical accuracy and reliability as much as possible, it is preferable to switch the number of handovers from the serving cell to each candidate neighboring cell in the preset statistical period by the user terminal of the switching statistical sub-module, and the user terminal is preset. The number of times of measurement and reporting of the candidate neighboring cells in the preset statistical period is measured by the measurement sub-module of the number of times of the measurement. At this time, the sorting sub-module sorts the configured neighboring area and the to-be-configured neighboring area according to the switching performance of each neighboring area from optimal to poor, including:

Directly sorting each candidate neighboring area according to a preset rule;

or,

The candidate neighboring areas are divided into the first queues according to whether the number of times of the switching of the candidate neighboring areas is greater than the preset threshold. In this embodiment, the candidate neighboring areas are larger than the preset threshold, and the serving cell switches to the candidate neighbors. The probability of the area is greater than each candidate neighboring area in the second queue, so in this embodiment, each candidate neighboring area in the first queue is ranked in front of each candidate neighboring area in the second queue) and the second queue (this In the embodiment, each candidate neighboring area is less than or equal to the preset threshold value; and then each candidate neighboring area in the first queue and the second queue is respectively sorted according to a preset rule to obtain a first sorting sequence and a second The sorting sequence sequentially adds the candidate neighboring cells in the second sorting sequence to the last candidate neighboring cell in the first sorting sequence. The preset threshold value in this embodiment may be specifically set according to factors such as the number of historical statistics switching and the network environment in which each serving cell is located.

The preset rule in this embodiment is: first sorting according to the switching success rate from high to low, and for the same switching success rate, reordering according to the switching times from high to low, for the switching success rate and If the number of switching times is the same, and then sorting is performed in descending order of the number of times the measurement is reported. For example, for each candidate neighboring cell of the first queue whose number of switching is greater than the preset threshold, the sorting process is: first ordering the candidate neighboring cells according to the order of the switching success rate from high to low, and the switching success rate is the same. The candidate neighboring cells are reordered according to the order of the number of handovers from high to low. For the handover success rate and the number of handovers are the same, the order of the number of measurement reports is reordered from high to low. For each candidate neighboring cell in the second queue, the sorting process is similar to the above process, and details are not described herein again.

In this embodiment, when the sum of the number L of the neighboring cells that the serving cell has configured and the number K of the neighboring cells to be configured is less than or equal to the maximum number of neighboring cells N supported by the serving cell, that is, L+K<= N, indicating that the serving cell currently supports all the neighbors to be configured directly. The configuration of the configured neighboring cell and the neighboring cell to be configured in the neighboring cell list may be configured as the serving cell. Neighborhood. Therefore, as shown in FIG. 3, the neighboring area maintenance apparatus in this embodiment further includes a determining module 40 configured to count, in the statistics module 20, the switching performance of each configured neighboring area in the neighboring cell list of the serving cell, and to be configured. Before the switching performance of the neighboring cell is configured, it is determined whether the sum of the number of neighboring cells L and the number of neighboring cells K to be configured is less than or equal to the maximum number of neighboring cells N supported by the serving cell. If yes, the direct selection module 30 is directly notified. The neighboring area and the to-be-configured neighboring area are both configured as the officially configured neighboring areas of the serving cell; otherwise, the notification statistics module 20 performs the configured neighboring area and is to be configured. Statistics of the switching performance of the neighboring area.

When the neighboring area obtaining module 10 newly discovers an unknown neighboring cell, the statistical period can be restarted, and the next round of statistics is performed. In this way, it is possible to keep the best performance of handover performance in the neighboring cell where the configured neighboring cell is the serving cell.

In an actual application, the neighboring area obtaining module 10, the statistic module 20, the selecting module 30, and the determining module 40 may be implemented by a microprocessor (MCU), a logic programmable gate array (FPGA), or an application specific integrated circuit (ASIC).

Embodiment 3:

In this embodiment, an application scenario in which the sum of the neighboring number L and the number of neighboring cells K is greater than the maximum number of neighboring cells N supported by the serving cell is used as an example, and the present invention is used as an example. Further exemplary illustrations.

Referring to Figure 4, the neighbor maintenance process shown in the figure includes:

Step 401: The serving cell has configured L configured neighboring cells, L<N;

Step 402: Detecting K unknown neighboring cells, and obtaining the information of the neighboring cells by using the UE measurement, and placing the neighboring zone to be configured into the neighboring zone list to be configured;

Step 403: Start a statistical period;

Step 404: Count the handover performance of each candidate neighboring cell in the statistics period, and specifically count the number of handovers of the user terminal from the serving cell to each candidate neighboring cell, the handover success rate of the user terminal switching from the serving cell to each candidate neighboring cell, and Counting the number of times the user terminal reports the measurement of each candidate neighboring cell;

Step 405: The statistical period ends;

Step 406: Sort the configured neighboring cells and the neighboring cells to be configured according to the switching performance from high to low.

Step 407: Determine L+K>N, in the neighboring ranking result, the neighboring area is configured to be in the top L positions of the sorting, and in the K neighboring areas to be configured, the former NL neighboring areas are added to the neighboring area according to the sorting order. In the configuration.

The following describes the maintenance process of the neighboring area in the following scenarios with reference to FIG. 5:

Step 501: The serving cell has configured L configured neighboring cells, L<N;

Step 502: Detecting K unknown neighboring cells, and obtaining the information of the neighboring cells by using the UE, and placing the neighboring cell to be configured into the neighboring cell to be configured;

Step 503: Start a statistical period;

Step 504: In the statistics period, the handover performance of each neighboring cell is counted, and the number of handovers of the user terminal from the serving cell to each candidate neighboring cell, the handover success rate of the user terminal switching from the serving cell to each candidate neighboring cell, and statistics are collected. The number of times the user terminal reports the measurement of each candidate neighboring cell;

Step 505: The statistical period ends;

Step 506: Sort the configured neighboring cell and the to-be-configured neighboring cell according to the switching performance from high to low.

Step 507: judging L+K>N, in the neighboring ranking result, there are Z (Z<=L) configured neighboring cells ranked in the first N positions, and the L configured neighboring cells are ranked in the last LZ. The neighboring areas are deleted, and then the K neighboring areas to be configured are added to the neighboring area configuration according to the sorting selection NZ (NZ<=K) neighboring areas.

The following describes the maintenance process of the neighboring area in the following scenarios with reference to FIG. 6:

Step 601: The serving cell has configured L configured neighboring cells, L=N;

Step 602: Detecting K unknown neighboring cells, and obtaining the information of the neighboring cells by using the UE, and placing the neighboring cell to be configured into the neighboring cell to be configured;

Step 603: Start a statistical period;

Step 604: Count the handover performance of each neighboring cell in the statistics period, and specifically count the number of handovers of the user terminal from the serving cell to each candidate neighboring cell, and the handover success rate and statistics of the user terminal switching from the serving cell to each candidate neighboring cell. The number of times the user terminal reports the measurement of each candidate neighboring cell;

Step 605: The statistical period ends;

Step 606: Sort the configured neighboring cell and the to-be-configured neighboring cell according to the switching performance from high to low.

Step 607: determining L+K>N, in the neighboring ranking result, L(L=N) configured neighboring regions All of them are located in the first N locations. In this case, the switching performance of the M neighboring zones to be configured is not as good as that of the neighboring zones.

The embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores executable instructions, and the executable instructions are configured to perform robust header compression as shown in any of FIG. 2 or FIG. The method of state fetching.

A person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to the program instructions. The foregoing program may be stored in a computer readable storage medium, and the program is executed when executed. The foregoing storage medium includes: a mobile storage device, a random access memory (RAM), a read-only memory (ROM), a magnetic disk, or an optical disk. A medium that can store program code.

Alternatively, the above-described integrated unit of the present invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product, which is stored in a storage medium and includes a plurality of instructions for making A computer device (which may be a personal computer, server, or network device, etc.) performs all or part of the methods described in various embodiments of the present invention. The foregoing storage medium includes various media that can store program codes, such as a mobile storage device, a RAM, a ROM, a magnetic disk, or an optical disk.

The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the appended claims.

Claims

A neighboring area maintenance method includes:

The handover performance of each candidate neighboring cell of the serving cell is included; the candidate neighboring cell includes the configured neighboring cell in the neighboring cell list of the serving cell and the unknown neighboring cell of the serving cell;

Selecting, according to the handover performance, the M neighboring areas with the best handover performance as the formal configuration neighboring area of the serving cell; the M is less than or equal to the maximum number of neighboring areas supported by the serving cell. .
The neighboring cell maintenance method according to claim 1, wherein the handover performance of the candidate neighboring cell is switched by the user terminal from the serving cell to the candidate neighboring cell in a preset statistical period, and the number of times of handover At least one of the handover success rate of the terminal switching from the serving cell to each candidate neighboring cell and the number of measurement reporting times of the candidate neighboring cells by the user terminal in a preset statistical period in a preset statistical period.
The neighboring cell maintenance method according to claim 2, wherein selecting, from the candidate neighboring cells, M switching performances as the officially configured neighboring cell of the serving cell according to the handover performance includes:

Sorting the candidate neighboring cells according to the switching performance from optimal to poor;

The M neighboring areas with the best handover performance are selected as the officially configured neighboring areas of the serving cell.
The neighboring area maintenance method according to claim 3, wherein the switching performance is switched by the user terminal from the serving cell to the candidate neighboring areas in a preset statistical period, and the user terminal is preset. When the handover success rate of the handover from the serving cell to each candidate neighboring cell and the number of measurement reports of the candidate neighboring cells in the preset statistical period are jointly characterized by the user terminal, the switching performance is superior to poor. Sorting the candidate neighboring regions by the order includes:

Directly sorting each candidate neighboring area according to a preset rule;

Or,

Determining, by the user terminal, whether the number of handovers from the serving cell to the candidate neighboring cell is greater than a preset threshold in a predetermined statistical period, and dividing each candidate neighboring cell into a first queue and a second queue; Sorting each candidate neighboring cell in the first queue and the second queue according to the preset rule to obtain a first sorting sequence and a second sorting sequence, respectively, and selecting candidate neighboring regions in the second sorting sequence Adding sequentially to the last candidate neighboring cell in the first sorting sequence;

The preset rule includes: sorting according to a sequence of switching success rates from high to low, and reordering according to the order of switching times from high to low for the same switching success rate, and the switching success rate and the number of switching times are the same. , sorted again in descending order of the number of times the measurement is reported.
The neighboring cell maintenance method according to any one of claims 1 to 4, wherein when the number of the candidate neighboring cells is less than or equal to the maximum number of neighboring cells N supported by the serving cell, the M is equal to the candidate. The number of neighboring areas;

When the number of candidate neighboring cells is greater than the maximum number of neighboring cells N supported by the serving cell, the M is equal to the N.
The neighboring area maintenance method according to any one of claims 1 to 4, wherein before the switching performance of each candidate neighboring area is counted, the method further includes:

Determining whether the number of the candidate neighboring cells is less than or equal to the maximum number of neighboring cells N supported by the serving cell. If yes, the candidate neighboring cells are directly used as the officially configured neighboring cells of the serving cell.
A neighboring area maintenance device includes: a statistics module and a selection module;

The statistic module is configured to count the handover performance of each candidate neighboring cell in the serving cell; the candidate neighboring cell includes the configured neighboring cell in the neighboring cell list and the unknown neighboring cell in the serving cell.

The selecting module is configured to select, according to the handover performance, the M neighboring areas with the best switching performance from the candidate neighboring areas as the officially configured neighboring area of the serving cell; the M is less than or equal to the The maximum number of neighbors N supported by the serving cell.
The neighboring area maintenance device of claim 7, wherein the statistics module comprises a handover statistics sub-module and/or a measurement report number statistics sub-module;

The switching statistics sub-module is configured to: in a preset statistical period, count the number of handovers and/or handover success rate of the user terminal switching from the serving cell to the candidate neighboring cells;

The measurement reporting times statistics sub-module is configured to count the number of times the user terminal reports the measurement of the candidate neighboring areas in a preset statistical period.
The neighboring area maintenance apparatus according to claim 8, wherein said selection module comprises a sorting sub-module and a selection sub-module;

The ordering sub-module is configured to sort the candidate neighboring cells according to the switching performance from optimal to poor;

The selecting submodule is configured to select M candidate neighboring areas with the best switching performance as the officially configured neighboring areas of the serving cell.
The neighboring area maintenance apparatus according to claim 9, wherein the switching performance is switched by the user terminal from the serving cell to the candidate neighboring areas in a preset statistical period, and the user terminal is preset. The sorting sub-module is further configured when the switching success rate of the candidate cell is switched from the serving cell to the candidate neighboring cell and the number of measurement reports of the candidate neighboring cells in the preset statistical period is jointly characterized. Directly sorting each candidate neighboring area according to a preset rule;

or,

Determining, by the user terminal, whether the number of handovers from the serving cell to the candidate neighboring cell is greater than a preset threshold in a predetermined statistical period, and dividing each candidate neighboring cell into a first queue and a second queue; The candidate neighboring cells in the first queue and the real-time second queue are sorted according to the preset rule to obtain a first sorting sequence and a second sorting sequence, respectively, and the candidate neighboring regions in the real-time second sorting sequence are sequentially added. To the last candidate neighboring region in the first sorting sequence Rear;

The preset rule includes: sorting according to a sequence of switching success rates from high to low, and reordering according to the order of switching times from high to low for the same switching success rate, and the switching success rate and the number of switching times are the same. , sorted again in descending order of the number of times the measurement is reported.
The neighboring area maintenance apparatus according to any one of claims 7 to 10, further comprising a judging module configured to determine the candidate neighboring area before the statistic module counts the switching performance of the candidate neighboring areas If the number is less than or equal to the maximum number of neighboring cells N supported by the serving cell, if yes, the selection module is directly notified to use the candidate neighboring cells as the officially configured neighboring cells of the serving cell.
A computer storage medium storing executable instructions for performing a neighboring cell maintenance method according to any one of claims 1 to 6.