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Mobile communication system interference investigation method and device

A mobile communication system and interference checking technology, applied in the field of communication, can solve problems such as difficult full-time coverage, difficult, small drive test coverage, etc.

Active Publication Date: 2014-07-02
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The degree of network interference will change accordingly with the fluctuation of network load. It is difficult to achieve full-time coverage and closely track the development of the network with the existing technology, and the drive test often consumes a lot of manpower, material resources and time.
Even though the drive test technology can determine the interfering cell pair, that is, the interfered cell and the interfering cell, due to the small drive test coverage, it is difficult to make a comprehensive statistics of the interference relationship between cell pairs in the entire network

Method used

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  • Mobile communication system interference investigation method and device
  • Mobile communication system interference investigation method and device
  • Mobile communication system interference investigation method and device

Examples

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Embodiment 1

[0055] The embodiment of the present invention provides a method for checking interference in a mobile communication system, such as figure 2 As shown, the method includes:

[0056] 101. The core network function module obtains the measurement report MR reported by the terminal. The MR includes the identification of the primary serving cell and the signal strength information of the primary serving cell in each cell measured by the terminal, the identification of other cells and the signal strength information of other cells .

[0057] Among them, the core network function module here may be a server or other network element equipment.

[0058] Specifically, the terminal can periodically or non-periodically measure the cells where it can detect signals. The cells where the terminal can detect signals include the primary serving cell of the terminal and other cells, and then the terminal measures the detected cells As a result, the MR is reported to the access network function modul...

Embodiment 2

[0081] The embodiment of the present invention provides a method for checking interference in a mobile communication system, which is applied to 3G systems such as WCDMA. On the basis of steps 101 to 104 provided in the first embodiment, step 105 is replaced with the following steps 106 to 108 ,Such as image 3 As shown, the method also includes:

[0082] 106. The core network function module obtains the effective coverage sampling points of other cells in the same MR sampling point for the primary serving cell. The effective coverage sampling points are the number of MRs obtained by judgment based on the signal strength information of the primary serving cell.

[0083] Specifically, after obtaining the total number of effective MR sampling points of each cell as the primary serving cell, while obtaining the number of invalid coverage sampling points of other cells in the same MR sampling point for the primary serving cell, other cells in the same MR sampling point can be obtained ...

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Abstract

The embodiment of the invention provides a mobile communication system interference investigation method and device, and relates to the field of communication. By means of the method and device, automatic data collection and statistics from the network side can be achieved, and interference cell pairs and interference level are determined in time. The method comprises the steps that a measurement report MR reported by a terminal is obtained, wherein the MR comprises identifications of main service cells in all cells, signal strength information of the main service cells, identifications of other cells and signal strength information of other cells; the number of MR total sampling points of all main service cells is calculated according to the identifications of the main service cells, the number of invalid covering sampling points of other cells to the main service cells in the same MR sampling point is obtained, the number of the invalid covering sampling points is compared with the number of MR total sampling points to obtain the ratio of the invalid covering sampling points, and further if the main service cells and other cells are interference cell pairs is judged according to the ratio of the invalid covering sampling points. The mobile communication system interference investigation method is used for investigating the interference cell pairs.

Description

Technical field [0001] The present invention relates to the field of communication, and in particular to a method and device for checking interference in a mobile communication system. Background technique [0002] The mobile communication system is a large-capacity communication system based on digital communication technology that forms a service area with cellular structure cell coverage. A user terminal (User Equipment, UE) accesses one or more cells of a mobile communication network, and these cells provide users with uplink / downlink communication services, thereby completing the process of voice or data services. [0003] Because the mobile communication system is affected by factors such as geographic environment, building group layout, base station site selection, antenna feeder settings, etc., the coverage of each cell does not fully meet the requirements of the regular cellular network structure, and there may even be a large deviation. Therefore, in certain geographic a...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W24/10
Inventor 许国平陈崴嵬黄志勇程新洲史文祥张成强徐乐西师辰
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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