RF-pilot-based partition phase correction for CO-OFDM system phase noise mitigation

Hangting Hu; Fengguang Luo; Liu Yang; Shuailong Yang; Bin Li

doi:10.1117/1.OE.57.5.056111

25 May 2018 RF-pilot-based partition phase correction for CO-OFDM system phase noise mitigation

Hangting Hu, Fengguang Luo, Liu Yang, Shuailong Yang, Bin Li

Author Affiliations +

Optical Engineering, Vol. 57, Issue 5, 056111 (May 2018). https://doi.org/10.1117/1.OE.57.5.056111

Abstract

A low-complexity optical phase noise mitigation scheme, based on a radio frequency pilot (RFP) and partition phase correction (PPC), is proposed. For diverse channel configurations, an optimized RFP with fixed parameters is first employed in coarse phase tracking for generality purposes. Based on the reliable predecision results, we propose a noniterative PPC algorithm to further suppress the residual noise. Numerical simulations demonstrate that compared with other phase noise compensation algorithms, the proposed scheme has better robustness and lower computational complexity. In addition, the performance degradation caused by decision errors is also discussed, and a moderate partition length with small floating range can guarantee satisfactory correction quality.

Citation Download Citation

Hangting Hu, Fengguang Luo, Liu Yang, Shuailong Yang, and Bin Li "RF-pilot-based partition phase correction for CO-OFDM system phase noise mitigation," Optical Engineering 57(5), 056111 (25 May 2018). https://doi.org/10.1117/1.OE.57.5.056111

Received: 23 January 2018; Accepted: 9 May 2018; Published: 25 May 2018

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