OECC/PSC 2019

講演情報

Oral Sessions

O2. Transmission Systems and Subsystems

[ThC2] Coherent Transmission

2019年7月11日(木) 11:00 〜 12:30 Room C (402+403, 4F, Fukuoka International Congress Center)

Presider: Joji Maeda (Tokyo University of Science, Japan)

11:45 〜 12:00

[ThC2-3] Sparse-fast-Fourier-Transform Assisted Timing/Frequency Synchronization for Optical Coherent Receivers

〇Jianing Lu1, Qiong Wu2, Hexun Jiang2, Songnian Fu2, Ming Tang2, Chao Lu1 (1The Hong Kong Polytechnic Univ., Hong Kong, 2Huazhong Univ. of Science and Technology, China)

キーワード:Digital signal processing techniques for optical communications

We propose an efficient timing/frequency synchronization assisted by sparse FFT and optimized training symbols. The proposed scheme is proved to be robust at low SNR can achieve complete frequency offset estimation range with ultra-low complexity.

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