Reduced sampling rate Kalman filters for carrier phase and frequency offset tracking in 200 Gbps 16 QAM coherent communication system
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DOI: 10.1038/s41598-020-80822-z
Abstract: We propose 1 state and 2 state multi-step Kalman filters (MKFs) to estimate and compensate CFO, LPN and NLPN in long-haul coherent fiber-optic communication systems. The proposed filters generate state estimates once every m symbols… read more here.
Keywords: state; kalman filters; step; sampling rate ... See more keywords