Method for optimizing network frequency based on measurement report

A technology for measurement report and network frequency, applied in network planning, electrical components, wireless communication, etc., to achieve the effect of optimizing network-wide interference, improving spectrum resource utilization, and reducing adjacent-frequency interference

Active Publication Date: 2009-04-15
CHINA MOBILE GRP FUJIAN CO LTD
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  • Abstract
  • Description
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Problems solved by technology

This method only performs simple planning for BCCH, and the fitness evaluation is only calculated based on network design indicators such as frequency reuse mode, rather than based on the actual interference situation of the existing network

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  • Method for optimizing network frequency based on measurement report
  • Method for optimizing network frequency based on measurement report
  • Method for optimizing network frequency based on measurement report

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Embodiment Construction

[0024] The network frequency optimization method based on the measurement report of the present invention performs the optimal configuration of the network frequency according to the following steps:

[0025] (1) Within a certain period, use third-party test equipment to extract a certain number of mobile phone user measurement reports (MR) from the Abis interface of each cell;

[0026] (2) Get all the measurement reports of one of the cells, extract the BCCH received power information of the serving cell and the 6 strongest neighboring cells in each measurement report, and calculate the carrier-to-interference ratio;

[0027] (3) Count the number of measurement reports whose carrier-to-interference ratio between each neighboring cell with the strongest signal and the serving cell is greater than or less than the interference threshold, so as to calculate the interference of each neighboring cell with the strongest signal to the serving cell probability;

[0028] (4) For the ...

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Abstract

The invention relates to the mobile communication technology field, in particular to a network frequency optimization method based on measurement reports. The method includes the following steps: firstly extracting a measurement report and establishing an interference matrix; calculating the adaptability of each frequency distribution proposal in a frequency distribution proposal group according to the interference matrix; establishing the proportional distribution according to the size of the adaptability and implementing random search selection; generating a new group of frequency distribution proposals through random frequency point modification or frequency point interconversion; recalculating the adaptability of each frequency distribution proposal in the new frequency distribution proposal group; continuously repeating the above steps until the adaptability of a new frequency distribution proposal meets the requirement; finally the frequency distribution proposal with largest adaptability in the frequency distribution proposal group becoming the network frequency distribution proposal after the optimization of the present network. The method provided by the invention takes the measurement report of the present network as the basis of frequency optimization and fully considers the real district interference condition of the present network, thus achieving the minimum interference of the network after frequency optimization.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a network frequency optimization method based on measurement reports. Background technique [0002] For mobile communication systems, frequency resources are always a precious resource. How to improve the utilization efficiency of spectrum resources is an important topic of concern and research for mobile network operators and equipment manufacturers. Improving the utilization efficiency of spectrum resources is to increase the network capacity within the limited range of spectrum resources under the premise of ensuring acceptable network quality. [0003] For GSM network, an important means to improve network capacity is to adopt frequency multiplexing technology. Network capacity is improved by reusing limited frequency resources. However, the downside of frequency reuse is reduced call quality. The tighter the frequency reuse, the greater the interference and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/18H04W16/02
Inventor 邱明郑朔毅张韬
Owner CHINA MOBILE GRP FUJIAN CO LTD
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