衰落信道下MIMO-OFDM系统信道容量分析  

Analysis of the Channel Capacity of MIMO-OFDM Systems under Fading Environments

作　　者：黄丘林[1] 史小卫[1] 

机构地区：[1]西安电子科技大学天线与微波技术国家重点实验室,西安710071

出　　处：《电子与信息学报》2007年第12期2948-2951,共4页Journal of Electronics & Information Technology

摘　　要：针对以往文献的不足,该文重新推导了衰落信道下MIMO-OFDM系统信道容量公式,分析了子载波数目、时延扩展、角度扩展以及天线间距等因素对信道容量的影响。理论分析和仿真结果符合MIMO-OFDM信道容量特征。Considering the defect existing in the previous document, the channel capacity formula of MIMO-OFDM systems is derived again, and the effects of the number of sub-carriers, delay spread, angle spread and antenna spacing on the capacity are investigated. The theory analysis and simulation results descript the characters of the channel capacity of MIMO-OFDM systems.

关 键 词：无线通信 信道容量 多入多出 正交频分复用 

分 类 号：TN919.72[电子电信—通信与信息系统]