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Wireless microwave rain measurement link planning method based on fitness optimization

A technology of link planning and fitness, applied in prediction, genetic model, genetic rule, etc., can solve problems such as large performance impact, achieve high robustness, and achieve the effect of robustness

Active Publication Date: 2019-12-03
HOHAI UNIV
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Problems solved by technology

However, there are many types of them, and their performance is greatly affected by mutation and crossover strategies.

Method used

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  • Wireless microwave rain measurement link planning method based on fitness optimization
  • Wireless microwave rain measurement link planning method based on fitness optimization
  • Wireless microwave rain measurement link planning method based on fitness optimization

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Embodiment Construction

[0050] The method process of the embodiment of the present invention is as figure 1 shown, including the following steps:

[0051] Step 1: Obtain the base station distribution and its location information, such as figure 2 As shown in Fig. 1, the GIS is imported to perform sequence numbering and plane projection coordinate transformation on the element information, and at the same time establish topology rules for the link to be selected.

[0052] Step 2: Establish the spatio-temporal accuracy and cost mathematical model of the microwave rain measurement link. The spatio-temporal precision and cost mathematical model consists of an objective function and constraints. The objective function consists of an accuracy objective function and a cost function. The accuracy objective function is described by the following formula:

[0053]

[0054] The cost objective function is described by the following formula:

[0055]

[0056] Among them, M is the precision objective fun...

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Abstract

The invention discloses a wireless microwave rain measurement link planning method based on fitness optimization, and the method comprises the following steps: 1), obtaining the spatial distribution data of a wireless microwave base station, carrying out the preprocessing, and building a topological rule for a station and a to-be-selected link; 2) establishing a precision and cost mathematical model of the microwave rain measurement link; and 3) searching for an optimal solution by using an adaptive algorithm, decoding the optimal solution, and drawing a planned route. The invention aims at the influence of planning of a wireless microwave rain measurement link on actually measured rainfall precision and expense cost. Five types of influence factors are comprehensively considered for refined analysis, an objective function of rain measurement precision and link cost is established, a mutation operator and a crossover strategy based on the maximum evolution algebra are adopted for solving, a self-adaptive multi-objective optimization algorithm oriented to multi-objective optimization is achieved, and high robustness is achieved while convergence is accelerated. The method is suitable for optimal layout of the wireless microwave rain measurement link of the urban high-density base station.

Description

technical field [0001] The invention relates to a wireless microwave rain-measuring link planning method, in particular to a fitness-optimized wireless microwave rain-measuring link planning method. Background technique [0002] Microwave rain measurement technology uses existing communication base stations to carry microwave rain measurement equipment for rainfall monitoring. Compared with traditional rainfall stations and radar rain measurement, it has the outstanding advantages of low construction and maintenance management costs and high temporal and spatial resolution, which makes up for the high cold, rural and rural areas. There are shortcomings in rainfall monitoring in areas such as dense cities; the rain measurement method has been changed from line to area, and the station network density has been increased from kilometer level to 100m level, which has significantly improved the accuracy of rainfall monitoring and realized real-time rain measurement. This technolo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/26G06N3/12
CPCG06N3/126G06Q10/04G06Q10/067G06Q50/26
Inventor 杨涛郑鑫秦友伟朱少成师鹏飞李振亚周旭东
Owner HOHAI UNIV
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