Method and system for evaluating wireless network structure
A network structure and wireless network technology, applied in wireless communication, electrical components, etc., can solve problems such as unsatisfactory performance in other dimensions, unbalanced negative impact of the community, and lack of wireless network evaluation.
Active Publication Date: 2012-10-31
CHINA MOBILE GRP GUANGDONG CO LTD
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[0003] At present, there is no quantitative evaluation method for the restrictive relationship among frequency reuse, network structure, and network quality. Evaluation and optimization can easily lead to an unbalanced situation where one dimension is reasonable while other dimensions are still unsatisfactory; or a certain community achieves an ideal state, but its surrounding related communities are negatively affected
From a macro point of view, there is no unified quantitative standard for regional wireless network evaluation, and it is impossible to achieve horizontal and vertical comparisons of regional network structures. Decision makers lack clear data basis and guiding principles when planning the direction of network development.
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[0154] As a preferred embodiment, the system also includes:
[0155] a signal quality determining unit, configured to determine the network signal quality in the wireless network according to the downlink signal quality of the serving cell in the measurement report;
[0156] The judging unit is configured to judge whether the wireless network needs to perform network structure optimization and / or frequency optimization according to the health index of the wireless network structure and the network signal quality.
[0157] Here, the judging unit is specifically used for:
[0158] When the health index of the wireless network structure and the network signal quality meet respective preset corresponding standards, it is judged that the wireless network does not need to perform network structure optimization and frequency optimization;
[0159] When the health index of the wireless network structure meets the preset corresponding standard, but the network signal quality does not ...
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The invention provides a method and system for evaluating a wireless network structure. The method comprises the steps of: according to downlink signal intensity of adjacent cells, selecting an interference limit cell pairs from cell pairs of a wireless network; traversing all cells in the wireless network to obtain a maximum communication cluster of each cell, deleting repeated maximum communication clusters to obtain a maximum communication cluster list of the wireless network; calculating an interference coefficient of each maximum communication cluster in the maximum communication cluster list; calculating an interference telephone traffic of each maximum communication cluster in the maximum communication cluster list, carrying out statistics about the total interference telephone traffics of all maximum communication clusters in the maximum communication cluster list; and based on the ratio of the total interference telephone traffics to the total telephone traffics in the wireless network, calculating a health degree index of the wireless network structure. According to the invention, a network structure health degree index is introduced so as to quantitatively evaluate a network structure.
Description
technical field [0001] The invention relates to the technical field of wireless network optimization, in particular to a method and system for evaluating a wireless network structure. Background technique [0002] A reasonable wireless network structure means that the coverage and carrier configuration of the cell set in the inspection area are compatible with the available frequency resources, the correlation between the cells is moderate, and there is no co-adjacent channel interference caused by the difficulty of frequency arrangement. The network structure includes multiple dimensions of network coverage, network capacity, and frequency that influence each other and restrict each other, which fundamentally determines the quality of the network. Only frequency optimization based on a reasonable network structure can bring greater benefits. frequency conversion gain. [0003] At present, there is no quantitative evaluation method for the restrictive relationship among fre...
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IPC IPC(8): H04W24/02
Inventor 杨建辉程文兵邱杰秦洁
Owner CHINA MOBILE GRP GUANGDONG CO LTD