MIMO-OFDM接收机采用改进的ESPAR天线，指向性周期性变化

2013 13th International Symposium on Communications and Information Technologies (ISCIT) Pub Date : 2013-10-24 DOI:10.1109/ISCIT.2013.6645841

Diego Javier Reinoso Chisaguano, M. Okada

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引用次数: 4

摘要

提出了一种采用改进的ESPAR天线的MIMO-OFDM接收机。采用ESPAR天线的MIMO-OFDM接收机可以在不增加射频前端电路数量的情况下提高误码率性能并获得额外的分集增益。然而，传统的ESPAR天线辅助MIMO-OFDM接收机只考虑ESPAR天线接收信号的简化模型。改进ESPAR天线的MIMO-OFDM接收机有效利用了ESPAR天线接收信号中指向性周期性变化的正负频移分量。仿真结果表明，该方案可以进一步提高系统的误码率性能。

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MIMO-OFDM receiver using a modified ESPAR antenna with periodically changed directivity

This paper proposes a MIMO-OFDM receiver with a modified Electronically Steerable Passive Array Radiator (ESPAR) antenna. MIMO-OFDM receiver with ESPAR antenna can improve the bit error rate performance and obtains additional diversity gain without increasing the number of Radio Frequency (RF) front-end circuits. However, the conventional ESPAR-antenna assisted MIMO-OFDM receiver only considers a simplified model of the received signal of the ESPAR antenna. The proposed MIMO-OFDM receiver with a modified ESPAR antenna makes efficient use of positive and negative frequency shifted components of the received signal generated by ESPAR antenna with periodically changed directivity. The simulation results show that the proposed scheme can further improve the bit error rate performance of the system.

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2013 13th International Symposium on Communications and Information Technologies (ISCIT)

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