Exploiting multipath diversity using space-frequency linear dispersion codes in MIMO-OFDM systems

被引：0
|
作者：
Rangaraj, GV [1 ]
Jalihal, D [1 ]
Giridhar, K [1 ]
机构：
[1] Indian Inst Technol, Dept Elect Engn, TeNeT Grp, Madras, Tamil Nadu, India
来源：
ICC 2005: IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-5 | 2005年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Linear dispersion codes (LDC) designed for multiple input multiple output (MIMO) wireless systems are examples of space-time codes which try to maximize the mutual information between the transmitter and receiver. However, such codes are typically designed for flat fading channels. It is possible to extend LDC designs for frequency selective fading channels using Orthogonal Frequency Division Multiplexing (OFDM). Additionally, the multipath diversity available as frequency diversity could be potentially exploited by properly designed space-frequency LDC codes for MIMO-OFDM systems. In this paper, the design criteria to obtain such space-frequency LDC along with the error-rate performance of such codes in frequency selective fading channels are provided.
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收藏
页码：2650 / 2654
页数：5
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