在相关信道下MIMO-OFDM信道容量的分析On the Capacity of MIMO-OFDM System under Correlated Channels
李水祥
摘要(Abstract):
利用中心Wishart矩阵的性质得到相关信道下的多输入/输出正交频分复用系统(Multiple Input Multiple out-put;Orthogonal Frequency Division Multiplexing,MIMO OFDM)的信道容量的上下界限,同时分析天线相关对信道容量的影响。假设接收端有完全的信道状态信息(CSI),而发射端没有任何的CSI的情况下得到了信道容量的上下界限,通过仿真说明得到的界限是紧凑的,同时说明信道相关如何降低信道容量。
关键词(KeyWords): 信道容量;相关;多输入/输出;正交频分复用
基金项目(Foundation):
作者(Author): 李水祥
参考文献(References):
- [1]Telatar I E.Capacity of Multi antanna Gaussian Channels[J].European Trans.Telecommunications,1996,6:41 59.
- [2]Foschini G J,Gans M J.On Limits Wireless Communicationin a Fading Environment When Using Multiple Antennas[J].Wireless Personal Commun.,1998,6(3):311 335.
- [3]Shiu D S,Foschini G J,Gans M J,et al.Fading Correlationand Its Effect on the Capacity of Multielement Antenna Sys-tems[J].IEEE Trans.Commun.,2000,48(3):502 513.
- [4]Bolcskei H,Gesbert D,Paulraj A J.On the Capacity of Wire-less Systems Employing OFDM-based Spatial Multiplexing.IEEE Trans.Commun.,2002,50:225 234.
- [5]Wang Jun,Zhu Shihua,Wang Lei.On the Channel Capacityof MIMO OFDM Systems.ISCIT2005,Beijing,China.2005.
- [6]Young Han Kim,Amos Lapidoth.On the Log Determinantof Non-central Wishart Matrices.ISIT2003 Japan,2003.