摘要
随着通信技术的发展,用户对更高的系统信道容量的需求日益提高。本文研究了一种频率选择性环境中MIMO-OFDM技术来实现高的频谱效率,从而提高系统容量。本文研究了系统信道容量的特性,并且运用Matlab仿真工具分析了MIMO-OFDM选择性衰落径数对信道容量的影响。研究结果表明,MIMO-OFDM技术可以极大的提高通信系统的容量。因此在宽带无线接入领域,MIMO与OFDM技术相结合的MIMO-OFDM技术已成为一种关键技术和发展趋势。
With the development of communication technology,the need of higher system capacity is increasing day by day.This paper studies MIMO-OFDM technology in a frequency selective environment to rise high frequency spectrum efficiency,and enhance system capacity.This page analyzes the statistic characteristics of system channel.This page researches diameter number on channel capacity Using MATLAB simulation tool.The research shows that MIMO-OFDM technology can greatly increase the communication system capacity,So in broadband wireless access field,the MIMO-OFDM technology has become a key technology and a further trend.
出处
《软件》
2011年第2期53-55,共3页
Software
