Improved space-time block coding with frequency diversity for OFDM systems

被引：4
|
作者：
Ko, E [1 ]
Hong, D [1 ]
机构：
[1] Yonsei Univ, Ctr Informat Technol, Informat & Telecommun Lab, Dept Elect & Elect Engn, Seoul 120749, South Korea
来源：
2004 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-7 | 2004年
关键词：
D O I：
10.1109/ICC.2004.1313138
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Exploiting the effect of frequency diversity based on the frequency-domain channel correlation of OFDM systems, we propose an improved space-time block coding with frequency diversity for OFDM systems in frequency selective fading channels. With only two transmit antennas, the proposed scheme can achieve a fourth-order diversity gain at low complexity. Simulation results for the proposed scheme demonstrate that this joint exploitation of spatial diversity and frequency diversity leads to a remarkable improvement in BER performance.
引用
收藏
页码：3217 / 3220
页数：4
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