基于NSGA-Ⅱ算法的机动通信系统站址规划方法

Base station location planning method of mobile communication system based on NSGA-Ⅱ

针对机动通信中通信节点可移动和复杂地形影响通信信号等特点,提出不规则地形条件下处于无线宽带工作模式的机动通信系统基站选址规划方法。首先,通过分析机动通信场景确定站址规划的数学模型;其次,使用改进的NSGA-Ⅱ算法求解选址方案;最后,根据用户需求选定最佳方案。仿真实验结果表明,该方法能够减小有效覆盖损失和通信中断风险,改进后算法能够保证优化过程的多样性并改善优化效果,场景参数和用户偏好都会对规划的最终结果产生影响。所用方法能够综合考虑系统的覆盖能力和机动特性,为用户推荐符合需求的方案并快速适应需求的变化。

Aiming at the characteristics of mobile nodes and complex terrain affecting signals in mobile communication,this paper proposed a base station location planning method for the mobile communication system in wireless broadband mode and irregular terrain.Firstly,this paper analyzed the mobile communication scenarios to establish the mathematical model.Se-condly,it used the improved NSGA-Ⅱto find the base station location schemes.Finally,it selected the best scheme accor-ding to the need of the user.Simulation experiments show that the method can reduce the loss of coverage and the risk of communication interruption.The improved algorithm can ensure the diversity of the optimization process and improve the optimization effect,and both scenario parameters and user preferences will affect the final result.The proposed method can consider the coverage and mobility characteristics,recommend the planning scheme that meets the user’s need,and quickly adapt to the changes in the need of the user.