CN103052103B - A kind of room divides traffic to reveal inspection method and device - Google Patents

Abstract

The embodiment of the present invention discloses a method and device for inspecting indoor traffic leakage, including: obtaining terminal measurement reports from the base station side, analyzing them, obtaining MR data, filtering out invalid MRs, and generating neighbors based on the filtered MR data. The area pair and the adjacent cell pair include the information measured by the main serving cell of the terminal and the information measured by the outdoor macro cell, the main serving cell is an indoor cell, and the outdoor macro cell is a neighboring cell of the indoor cell, Finally, according to the record information of neighboring cells, it is judged whether there is traffic leakage in the indoor division cell, and the direction of the traffic leakage in the indoor division cell is calculated, so that the cells with indoor traffic leakage can be predicted in advance simply and accurately, and adjustments can be made to prevent indoor traffic leakage. The traffic generated by the user is leaked outdoors.

Description

A method and device for inspecting room division traffic leakage

technical field

The invention relates to the field of communication technology, in particular to a method and device for checking traffic leakage in a room division.

Background technique

With the continuous increase of the number of mobile users, the communication quality of users inside buildings has attracted more and more attention. Indoor distribution systems are increasingly providing coverage for office buildings, subways, residential areas, shopping malls and other scenarios, ensuring the call quality of users in these areas.

If the indoor distribution system is not constructed properly, indoor users will invade indoors due to strong signals from outdoor sites, causing indoor users to occupy outdoor resources for communication. Figure 1 is a schematic diagram of indoor traffic leakage. Area where traffic is leaked.

The indoor sub-cell refers to the cell of the base station serving the indoor distributed system, and the outdoor macro cell refers to the cell of the outdoor macro base station. The room includes relatively closed spaces such as buildings, stadiums, and subways. The leakage of traffic in the indoor subdivision area will cause the indoor distribution system to not be fully utilized and cannot function well, while the outdoor site has too many users and resource constraints.

Therefore, it is necessary to use a simple and accurate method and device to detect cells with indoor traffic leakage in advance, and make adjustments to prevent the traffic generated by indoor users from leaking to the outside.

Contents of the invention

Embodiments of the present invention provide a method and device for checking room division traffic leakage, so as to realize simple and accurate detection of cells with room division traffic leakage.

In order to achieve the above object, the technical solutions provided by the embodiments of the present invention are as follows:

A method for checking leakage of room division traffic, comprising:

Obtain the terminal measurement report from the base station side, and analyze it to obtain MR (Measurement Report, terminal measurement report) data;

Filter out invalid MRs;

Generate neighbor cell pairs based on the filtered MR data. Each neighbor cell pair includes multiple records for the same primary serving cell and the same outdoor macro cell. Each record includes the measurement information of the terminal’s primary serving cell and the outdoor macro cell. Measurement information, the primary serving cell is an indoor cell, and the outdoor macro cell is a neighboring cell of the indoor cell;

Judging whether there is traffic leakage in the indoor cell according to the record information of the neighboring cell.

The embodiment of the present invention also provides a room division traffic leakage inspection device, including:

an obtaining unit, configured to obtain a terminal measurement report from the base station side, and analyze the terminal measurement report to obtain MR data;

A filter unit, used to filter out invalid MRs;

A generating unit, configured to generate neighbor cell pairs according to the filtered MR data, each neighbor cell pair includes multiple pieces of record information for the same primary serving cell and the same outdoor macro cell, and each piece of record information includes the measurement of the terminal's primary serving cell Information and outdoor macro cell measurement information, the main serving cell is an indoor cell, and the outdoor macro cell is a neighboring cell of the indoor cell;

The judging unit is configured to judge whether there is traffic leakage in the indoor sub-cell according to the record information of the adjacent cell pair.

The method and device for inspecting room traffic leakage provided by the embodiments of the present invention obtain terminal measurement reports from the base station side, analyze them, obtain MR data, filter out invalid MRs, and generate neighbor cell pairs based on the filtered MR data. , each adjacent cell pair includes multiple pieces of record information for the same primary serving cell and the same outdoor macro cell, each piece of record information includes the measurement information of the terminal’s primary serving cell and the measurement information of the outdoor macro cell, and the primary serving cell is an indoor sub-cell, the outdoor macro cell is a neighboring cell of the indoor sub-cell, and finally judges whether there is traffic leakage in the indoor sub-cell according to the record information of the neighboring cell. The technical solution provided by the invention can simply and accurately check out the cell with indoor traffic leakage, facilitates timely adjustment, and prevents the traffic generated by indoor users from leaking outdoors.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments described in the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Figure 1 is a schematic diagram of indoor traffic leakage

FIG. 2 is an overall flow chart of using MR data to perform room division traffic leakage inspection provided by an embodiment of the present invention;

FIG. 3 is a schematic diagram of terminal measurement provided by an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a device for checking room traffic leakage using MR data provided by an embodiment of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

The various technologies described herein can be used in various wireless communication systems, such as current 2G, 3G communication systems and next-generation communication systems, for example, the present invention is applicable to UMT, GSM (Global System for Mobilecommunications, Global System for Mobile Communications), GPRS (General Packet Radio Service, general packet radio service technology), CDMA2000 (Code Division Multiple Access 2000, code division multiple access technology 2000), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time division synchronous code division multiple access Access technology), LTE (Long Term Evolution, long-term evolution), WLAN (Wireless Local Area Network, wireless local area network)/WiFi (Wireless Fidelity, wireless fidelity) and WiMAX (Worldwide Interoperability for Microwave Access, global microwave interconnection access) and other wireless network.

Additionally, the terms "system" and "network" are often used herein interchangeably. The term "and/or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and/or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations. In addition, the character "/" in this article generally indicates that the contextual objects are an "or" relationship.

At present, there are mainly two methods for checking the traffic leakage of the room branch. One is to check the traffic leakage of the room branch through field tests. That is, through the drive test software, walk test or terminal dialing is carried out indoors, and a certain ratio threshold is given according to the conditions of different cells that the terminal accesses the network. If it is higher than the threshold, it is judged that there is traffic leakage in the indoor distribution system. However, this method needs to configure a test engineering team to test all indoor sub-districts in the network one by one and perform manual data analysis, which has high operation and maintenance costs and low efficiency.

The second is to determine whether it is an indoor traffic leakage cell based on multiple KPI (Key Performance Indicator) indicators of the indoor cell, that is, if the traffic volume of a certain indoor cell is worse than the average value of the entire network indoor cell, then It is considered that there is a leak in the room subdivision. However, the accuracy of this method is poor, and the small amount of traffic is not necessarily caused by the leakage of indoor traffic, especially when there are many indoor systems with relatively low traffic, it is difficult to judge.

The embodiment of the present invention proposes a method for checking leakage of room division traffic in view of the above defects, the method mainly includes:

Obtain the terminal measurement report MR from the base station side, and analyze it to obtain the terminal measurement report MR data;

Filter out invalid MRs;

Generate neighbor cell pairs based on the filtered MR data. Each neighbor cell pair includes multiple records for the same primary serving cell and the same outdoor macro cell. Each record includes the measurement information of the terminal’s primary serving cell and the outdoor macro cell. Measurement information, the primary serving cell is an indoor cell, and the outdoor macro cell is a neighboring cell of the indoor cell;

Judging whether there is traffic leakage in the indoor cell according to the record information of the neighboring cell.

The present invention will be further described below with reference to accompanying drawing and specific embodiment:

As shown in Figure 2, the method for checking traffic leakage in the room in the embodiment of the present invention includes:

Step 201: Obtain the terminal measurement report MR from the base station side, and perform analysis to obtain terminal measurement report MR data.

When the terminal communicates with the base station, it will automatically send its measurement report to the base station covering the terminal, and the base station will automatically save the terminal measurement report. Therefore, terminal measurement reports can be obtained from all base stations providing services in the area where indoor traffic leakage inspection is performed, and can be analyzed to obtain required MR data.

Step 202: Filter out invalid MRs.

There are two filter conditions a) and b). MRs that meet any of the filter conditions are invalid MRs. In practical applications, one or both of them can be filtered:

a) Filter out MRs whose main serving cell of the terminal is an outdoor macro cell;

The technical problem solved by this embodiment is to simply and accurately check out the indoor sub-cells with traffic leakage, and make adjustments to prevent the impact on the communication quality of outdoor users. That is, in this embodiment, the main serving cell of the terminal is Indoor cells are the cells of the base stations of the indoor distribution system, and there are strong outdoor macro base station cells in the adjacent cells of the main serving cell. Therefore, it is necessary to filter out MRs in which the main serving cell of the terminal is an outdoor macro cell.

b) Filtering out MRs whose main serving cell and all adjacent cell level differences of the terminal in the MR are higher than the preset filtering threshold;

If the coverage signal of the indoor distribution system is very good and the indoor and outdoor level difference is high, there will be no traffic leakage even if the measured outdoor signal is strong. Therefore, it is necessary to filter out the MRs whose level difference between the main serving cell of the terminal and all neighboring cells in the MR is higher than the preset filtering threshold when calculating the traffic leakage of sub-cells in the room.

In this embodiment, the preset filtering threshold can be set according to the actual situation, and can be selected as 10 dBm, which is an empirical value summed up in the corresponding algorithm verification process of the embodiment of the present invention.

Step 203: Generate non-repetitive neighbor cell pairs based on the filtered MR data, each neighbor cell pair includes multiple records for the same primary serving cell and the same outdoor macro cell, and each record includes the terminal's primary serving cell measurement information and outdoor macro cell measurement information, the primary serving cell is an indoor cell, and the outdoor macro cell is a neighboring cell of the indoor cell.

The neighbor cell pair may be in the form of (primary serving cell, outdoor macro cell). Wherein, the primary serving cell is an indoor cell, and the outdoor macro cell is a neighboring cell of the indoor cell.

In this embodiment, the level strength of the main serving cell of the terminal in the MR data and the level strength of the indoor cell adjacent to the main serving cell may be counted according to the corresponding neighbor cell pairs.

As shown in Figure 3, the terminal is located under the "main serving cell (indoor cell Site3_1)", and can simultaneously measure the level of surrounding adjacent cells, where Site4_1 is the indoor cell adjacent cell, and Site1_1, Site1_2, Site2_1, and Site2_3 are macro Neighboring cells of the cell, the level of the main serving cell of the terminal and the level of neighboring cells are included in the measurement report, as shown in Table 1 below, which is the hypothetical measured level:

Table 1

As shown in Table 1, the primary serving cell has four outdoor macro cell neighbors, namely Site1_1, Site1_2, Site2_1, and Site2_3. Establish neighbor cell pairs (Site3_1, Site1_1), (Site3_1, Site1_2), (Site3_1, Site2_1), (Site3_1, Site2_3) according to step 203 of this embodiment, and add the corresponding data as the record information of the above neighbor cell pairs , as shown in Table 2, Table 3, Table 4, and Table 5:

Table 2

table 3

Table 4

table 5

Step 204: Judging whether there is traffic leakage in the indoor sub-cell according to the record information in the adjacent cell pair.

There are two judging criteria a) and b), and only when they are satisfied at the same time, it can be determined that there is room division traffic leakage in the room division cell in the adjacent cell pair.

a) The number of recorded information in the adjacent area exceeds the preset value;

b) The ratio of recorded information whose absolute level strength of the outdoor macro cell in the adjacent cell pair is greater than the preset level threshold is greater than the preset ratio;

The preset level threshold and the preset value can be set according to the actual situation. In this embodiment, the preset level threshold can be selected as -75dBm, the preset value can be selected as 300, and the preset ratio can be selected as 20%. All are the empirical values summarized in the corresponding algorithm verification process.

For example, Site2_3 in Table 1, the outdoor macro cell "Site2_3" is measured by the terminal under the indoor cell "main serving cell", if the measured level strength of the outdoor macro cell "Site2_3" is greater than the preset level threshold, in the (Site3_1, Site2_3) neighbor cell pair, add 1 to the number of recorded information greater than the preset level threshold.

Process all measurement reports in turn, after all the measurement reports have been counted, assume that the total number of record information in the adjacent cell pair of statistics is M (M should be greater than the preset value, and the preset value can be selected as 300, which is the empirical value summed up in the corresponding algorithm verification process), and the number of recorded information pieces whose level intensity of the outdoor macro cell in the adjacent cell pair is greater than the preset level threshold is N, then according to the formula: α=N/M× 100% calculates the proportion of recorded information whose level intensity of the outdoor macro cell "Site2_3" in the adjacent cell pair is greater than the preset level threshold, and serves as the final criterion for judging whether there is traffic leakage in the indoor cell Site3_1.

After counting all (primary serving cell, outdoor macro cell) neighbor cell pairs in the terminal measurement report according to the above method, if the α of a certain pair of neighbor cell pairs exceeds the preset ratio, it is considered that the primary serving cell in the neighbor cell pair There is traffic leakage in the indoor division cell.

Step 205: Calculate the traffic leakage direction of the indoor sub-cell.

Since the technical solution provided by this embodiment performs information statistics from the perspective of adjacent cell pairs, it can not only determine whether there is traffic leakage in the indoor sub-cell according to the record information of each adjacent cell pair, but also use the longitude and latitude of the indoor sub-cell and the outdoor macro cell The information can calculate the direction of room traffic leakage.

First determine the main serving cell and the outdoor macro cell, and then determine the base stations according to the main serving cell and the indoor macro cell, and then calculate the direction of the indoor traffic leakage according to the latitude and longitude of the two base stations. The specific calculation formula is the prior art, and will not be repeated in this embodiment.

The embodiment of the present invention also provides a method for judging room-division traffic leakage. This embodiment is roughly the same as the above-mentioned embodiment. The difference in level strength, and the corresponding preset level difference threshold needs to be adjusted appropriately.

The room division traffic leakage check method provided by the embodiment of the present invention uses the data in the terminal measurement report to check the room division traffic leakage, which solves the problems of low network operation and maintenance efficiency and large manpower investment caused by field testing. A method that combines the advantages of on-site testing and index judgment. It does not need to add any hardware facilities on the BSS (Base Station Subsystem, Base Station Subsystem) side and terminal side. It only needs to obtain the terminal measurement report based on the protocol, and it can be simple and accurate. Cells with indoor traffic leakage can be detected in advance, and the technical solution of the present invention has no coupling with the system.

Another example:

On the basis of the above-mentioned method embodiments, the present invention also provides a device for inspecting room-based traffic leakage using MR data. As shown in FIG. 4 , the device for checking room-based traffic leakage includes:

The obtaining unit 1 is used to obtain the terminal measurement report from the base station side, and analyze it, and obtain the MR data of the terminal measurement report;

A filtering unit 2, configured to filter out invalid MRs;

The generating unit 3 is configured to generate adjacent cell pairs according to the filtered MR data, each adjacent cell pair includes multiple pieces of record information for the same primary serving cell and the same outdoor macro cell, and each piece of record information includes the primary serving cell of the terminal Measurement information and outdoor macro cell measurement information, the primary serving cell is an indoor cell, and the outdoor macro cell is a neighboring cell of the indoor cell;

The judging unit 4 judges whether there is traffic leakage in the indoor sub-cell according to the record information in the adjacent cell pair.

Further, after judging whether there is traffic leakage in the indoor sub-cell according to the record information of the neighboring cell, the judging unit 4 can also determine the direction of the traffic leakage of the indoor sub-cell according to the base station location of the main serving cell and the base station location of the outdoor macro cell .

Those skilled in the art can clearly understand that for the convenience and brevity of description, the specific working process of the above-described devices and units can refer to the corresponding process in the foregoing method embodiments, and details are not repeated here.

In the several embodiments provided by the present invention, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

If the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the methods described in various embodiments of the present invention. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc., which can store program codes. .

The above descriptions are only preferred embodiments of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A method for checking leakage of room division traffic, is characterized in that, comprising: Obtain the terminal measurement report MR from the base station side, and analyze it to obtain the terminal measurement report MR data; Filter out invalid MRs; Generate neighbor cell pairs based on the filtered MR data. Each neighbor cell pair includes multiple records for the same primary serving cell and the same outdoor macro cell. Each record includes the measurement information of the terminal’s primary serving cell and the outdoor macro cell. Measurement information, the primary serving cell is an indoor cell, and the outdoor macro cell is a neighboring cell of the indoor cell; Judging whether there is traffic leakage in the indoor sub-district according to the record information of the adjacent cell; Wherein, the filtering out invalid MRs includes: Filtering out MRs in which the main serving cell of the terminal is an outdoor macro cell, and/or filtering out MRs in which the level difference between the main serving cell of the terminal and all neighboring cells in the MR is higher than the preset filtering threshold. 2. The method according to claim 1, characterized in that the pair of neighboring cells is a pair of non-repeated neighboring cells. 3. The method according to claim 1, wherein the measurement information of the main serving cell and the measurement information of the outdoor macro cell of the terminal are specifically: the level strength of the main serving cell and the level strength of the outdoor macro cell. 4. The method according to claim 1, characterized in that, judging whether there is traffic leakage in the indoor sub-district according to the record information of adjacent cells, specifically: If the number of pieces of information recorded in a neighboring cell pair exceeds a preset value, and the ratio of the absolute level strength of the outdoor macro cell to the preset level threshold is greater than the preset ratio, it is determined that there is traffic leakage in the indoor cell. 5. The method according to claim 1, characterized in that, judging whether there is traffic leakage in the indoor sub-district according to the record information of adjacent cells, specifically: If the number of recorded information in a neighboring cell pair exceeds the preset value, and the ratio of the level strength difference between the main serving cell and the outdoor macro cell is greater than the preset level difference threshold is greater than the preset ratio, it is determined that there is traffic leakage in the indoor sub-cell . 6. The method according to claim 1, further comprising the steps of: After determining whether there is traffic leakage in the indoor sub-cell according to the record information of adjacent cells, determine the direction of traffic leakage in the indoor sub-cell according to the main serving cell and the outdoor macro cell. 7. The method according to claim 6, characterized in that the direction of traffic leakage of the indoor sub-cell is determined according to the main serving cell and the outdoor macro cell, specifically: The direction of traffic leakage of the indoor cell is determined according to the latitude and longitude of the base station of the main serving cell and the base station of the outdoor macro cell. 8. A device for checking leakage of indoor traffic, characterized in that it comprises: The obtaining unit is used to obtain the terminal measurement report from the base station side, and analyze it, and obtain the MR data of the terminal measurement report; A filter unit, used to filter out invalid MRs; A generating unit, configured to generate neighbor cell pairs according to the filtered MR data, each neighbor cell pair includes multiple pieces of record information for the same primary serving cell and the same outdoor macro cell, and each piece of record information includes the measurement of the terminal's primary serving cell Information and outdoor macro cell measurement information, the main serving cell is an indoor cell, and the outdoor macro cell is a neighboring cell of the indoor cell; A judging unit, configured to judge whether there is traffic leakage in the indoor sub-district according to the record information of the neighboring cell; Wherein, the filtering unit is specifically used to: filter out MRs in which the main serving cell of the terminal in the MR is an outdoor macro cell, and/or filter out the difference between the main serving cell of the terminal in the MR and all neighboring cells whose levels are higher than the preset filtering Threshold MR. 9. The device according to claim 8, wherein the judging unit further determines the indoor sub-cell according to the main serving cell and the outdoor macro cell after judging whether there is traffic leakage in the indoor sub-cell according to the record information of adjacent cells Direction of traffic leakage.