利用空时分组编码改进OFDM系统的发射分集

MILCOM 2002. Proceedings Pub Date : 2002-10-07 DOI:10.1109/MILCOM.2002.1179618

Eunseok Ko, Pan-Yuh Joo, C. Kang, D. Hong

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引用次数: 6

摘要

针对频率选择性衰落信道，提出了一种利用空时分组编码提高OFDM系统发射分集的方法。该方案仅使用两个发射天线，就可以实现四阶分集。低复杂度的增益。仿真结果表明，空间分集和频率分集的联合利用显著提高了系统的误码率。

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Improved transmit diversity using space-time block coding for OFDM systems

We propose an improved transmit diversity using space-time block coding for OFDM systems in frequency selective fading channels. With only two transmit antennas, the proposed scheme can achieve a fourth-order diversity in. gain at low complexity. Simulation results for the proposed scheme show that this joint exploitation of spatial diversity and frequency diversity remarkably improves the BER performance.

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MILCOM 2002. Proceedings

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