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Theoretical and Experimental Study of mm-Wave RoF/Wireless System Based on OFM Technique with OFDM Modulation

机译:基于OFDM调制的OFM技术的毫米波RoF /无线系统的理论和实验研究

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This paper introduces a new bidirectional mmRoF system based on optical frequency multiplication (OFM) scheme using dual drive Mach-Zehnder Modulator (DD-MZM) and OFDM modulation. The emphasis is put on the optimization of optical modulation index to the MZ intensity modulator for OFDM signal with high PAR which imposes a limitation on the system bit error rate (BER) performance due to the nonlinearity of the MZ modulator. The theoretic analysis on carrier to composite triple beat ratio is performed. The extension to system BER for QAM format is presented and the experimental proof is given in a 40 GHz mmRoF system.
机译:本文介绍了一种新的双向mmRoF系统,该系统基于基于光频倍增(OFM)方案的双驱动Mach-Zehnder调制器(DD-MZM)和OFDM调制。重点放在针对具有高PAR的OFDM信号的MZ强度调制器的光调制指数的优化上,这是由于MZ调制器的非线性而对系统误码率(BER)性能造成了限制。对载体与复合材料的三拍率进行了理论分析。提出了针对QAM格式的系统BER扩展,并在40 GHz mmRoF系统中给出了实验证明。

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