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

页码：3217 / 3220

页数：4

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