TR2018-149

Superchannel CPE with Wyner-Ziv Cooperation for Band-Limited Interconnects in Multi-DSP Receiver



We introduce Wyner-Ziv (WZ) cooperation between multiple subcarrier receivers for jointchannel carrier phase estimation (CPE) in optical superchannel transmissions. The WZ cooperation improves CPE performance by at least 0.25 dB when inter-chip connections are band-limited.