摘要
为了解决多用户检测中的多用户干扰和远近效应的问题,将蚁群算法进行改进,并将改进的算法应用于同步码分多址(CDMA)系统的多用户检测。分析了蚁群算法的工作流程和CDMA系统中多用户检测的工作原理,阐述了蚁群算法改进的步骤。采用MATLAB对改进的蚁群算法进行了仿真,仿真结果表明,在CDMA系统中采用改进蚁群算法进行多用户检测比传统的多用户检测方法具有更好的性能。
In order to resolve the problem of multi-user jamming and near-far effect in the multi-user detection, an improved ant colony algorithm is proposed for muhi-user detection in synchronous CDMA system.By analyzing the work flow of ant colony algorithm and the operating principle of multi-user deteetion in CDMA system, this paper expounds the improvement procedures of ant colony algorithm.The simulation is performed for improved ant colony algorithm by using MATLAB.The simulation results show that the improved algorithm has better performances, compared with traditional methods.
出处
《无线电工程》
2015年第10期67-70,共4页
Radio Engineering
基金
国家科技重大专项基金资助项目(2014ZX03006-003)
