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Soft-decision Forward Error Correction in a 40-nm ASIC for 100-Gbps OTN Applications
40-nm ASIC OTN Application Error Correction
2015/5/15
Soft-decision forward error correction provides high coding gain, but typically with high complexity. We present a soft-decision turbo product code with >11 dB NECG and reasonable complexity in a 40-n...
Data Rate Enhancement of RSOA-based WDM PON Systems using Feed-forward Equalizer and Forward Error Correction
WDM PON Systems Feed-forward Equalizer
2015/8/6
Effect of FFE and FEC to enhance the data rate of RSOA was investigated. 4.75Gbit/s was achieved by 0.6GHz RSOA using 4-tap FFE and ~14% FEC.
Improved Frequency Offset Correction in Coherent Optical OFDM Systems
Frequency Offset Correction Optical OFDM Systems
2015/7/30
We extended a pilot symbol frequency offset estimation scheme and applied it in combination with a pilot subcarrier compensator. Optimum system sensitivity was found up to few 100MHz frequency offset.