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Low-Complexity Two-Stage Carrier Phase Estimation for 16-QAM Systems using QPSK Partitioning and Maximum Likelihood Detection
Low-Complexity Two-Stage Carrier Phase Estimation 16-QAM Systems QPSK Partitioning Maximum Likelihood Detection
2015/5/20
A feedforward carrier phase estimation algorithm using a modified QPSK partition approach followed by maximum-likelihood (ML) detection is proposed. Results demonstrate complexity reduction by more th...
Study on the Performance of Decision-Aided Maximum Likelihood Phase Estimation with a Forgetting Factor
Forgetting Factor Decision-Aided Maximum Likelihood Phase
2015/5/15
A structure of non-adaptive decision-aided maximum likelihood is demonstrated by introducing a forgetting factor via both analysis and experiments, which achieves the same performance as the adaptive ...
Optimization of Carrier Phase Estimation for 112 Gbit/s PM-QPSK Systems
Gbit/s PM-QPSK System Optimization Carrier Phase
2015/5/15
For 112 Gbit/s PM-QPSK systems, the residual phase noise auto-correlation function with a lag of N can serve as a suitable monitor signal for optimizing the averaging in carrier phase estimation algor...
Experimental Demonstration of Decision-Aided Maximum Likelihood Phase Estimation in 8-Channel 42.8-Gbit/s DWDM Coherent PolMux-QPSK System
Optical communications Coherent communication Phase modulation
2015/6/5
We experimentally demonstrate a novel decision-aided maximum likelihood phase estimation in an 8-Channel 42.8-Gbit/s DWDM coherent PolMux QPSK system. The results show that our proposed algorithm can ...
Digital Phase Estimation Method based on Karhunen-Loève series expansion for Coherent Phase Diversity Detection
Optical communications Coherent communications Homodyning
2015/6/4
A novel phase estimation method for coherent systems is presented and demonstrated.It outperforms 5.5 times the phase noise and spectral width tolerance respect to the other methods.
Joint-Polarization Carrier Phase Estimation for XPM-Limited Coherent Polarization-Multiplexed QPSK transmission with OOK-neighbors
Carrier Phase Estimation XPM-Limited Coherent Polarization-Multiplexed QPSK transmission OOK-neighbors
2015/7/30
We demonstrate joint polarization carrier phase estimation for XPM-limited channels with significant improvements over standard methods, demonstrated on measurements of 43Gb/s NRZ-CP-QPSK with 10.7Gb/...