摘要
为了提高SDMA-MIMO系统接收机的整体性能,本文提出了一种改进重复加权激励搜索辅助的多用户检测算法(SDMA-MIMO-MMSE-RWBS MUD)。该算法利用RWBS算法优化MMSE检测估计值,引入合适的权值来加强优良个体在群体中的作用。仿真结果表明:与遗传算法辅助的MMSE多用户检测(MMSE-GA MUD)和MMSE检测相比,SDMA-MIMO-MMSE-RWBS MUD在略微增加系统复杂度的基础上有效地提升了性能。
To improve the overall system performance for SDMA-MIMO,an improved weighted boosting search assisted multiuser detection algorithm is proposed（SDMA-MIMO-MMSE-RWBS MUD）. The algorithm uses RWBS to optimize the estimated values of MMSE detection and strengthens the role of the best individual in the population by introducting appropriate weights. Simulation results show that compared with genetic algorithm assisted MMSE multiuser detection（MMSE-GA MUD） and MMSE detection, SDMA-MIMO- MMSE-RWBS MUD effectively improves the system performance while slightly increasing the complexity.
出处
《自动化与仪器仪表》
2015年第3期145-148,共4页
Automation & Instrumentation
