Efficient FIR filter configuration to joint IQ imbalance and carrier-phase recovery in 16-QAM coherent receivers

Khalil, M.I.,Chowdhury, A.M.,Gee-Kung Chang

Lasers and Electro-Optics（2014）

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摘要

We propose an efficient configuration of FIR-filter for joint quadrature-imbalance (IQ) compensation and carrier-phase-recovery 16-QAM optical coherent receivers. Through computer simulation we demonstrate proposed scheme can mitigate wide-range of phase-noise and IQ-mismatch of optical front-end.

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关键词

FIR filters,light coherence,optical fibre communication,optical fibre filters,optical noise,optical receivers,phase noise,quadrature amplitude modulation,carrier-phase recovery,computer simulation,efficient FIR filter configuration,joint quadrature-imbalance compensation,optical front-end,phase-noise,sixteen-QAM optical coherent receivers

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