Performance comparison of DA-TDE and CMA for MIMO equalization in multimode multiplexing systems

Xin Xiang,Yan Li,Chaoran Tu,Jian Wu,Wei Li,Jintong Lin

Photonic Network Communications（2016）

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摘要

In this paper, we compare performances of the constant modulus algorithm (CMA) and data-aided time domain equalization (DA-TDE) algorithm for mode demultiplexing in few mode transmission systems. Simulation results of 4× 56 Gbit/s QPSK mode-division multiplexed system show that the maximum required OSNRs with CMA are less than that of DA-TDE by 0.8 and 4.6 dB for high maximum coupling coefficient of 0.15 and 0.20.

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关键词

Adaptive equalizers,Demultiplexing,Multiple-input–multiple-output (MIMO),Optical fiber communication

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