[WP-B] Poster Session 2

[WP-B-26] Maximum A Posteriori Probability Phase Recovery for 256-QAM Modulated Signals in Coherent Optical Communications

○Wenqiang Ma¹, Shuai Liu¹, Xinwei Du¹, Qian Wang², Pooi-Yuen Kam³ (¹Bejing Normal-Hong Kong Baptist Univ., ²Zhejiang Univ. of Technology, ³The Chinese Univ. of Hong Kong (Shenzhen))

Keywords:

Phase recovery

We propose a maximum a posteriori probability (MAP) estimator that can perform phase recovery symbol by symbol, with the optimum performance converging to Bayesian Cramér-Rao lower bound (BCRLB), especially for high-order modulated signals.