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Layered Decoding of Nonbinary LDPC Codes Suitable for High-Speed Optical Communications
Optical communications Forward error correction Low-density parity- check codes
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2015/5/25
We propose using layered update rule in decoding nonbinary LDPC codes. Only 10-15 iterations suffice for good performance. Also, for the same BER performance, it increases throughput by twofold compar...
A Triple-Concatenated FEC using Soft-Decision Decoding for 100 Gb/s Optical Transmission
Optical communications
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2015/6/8
We propose a novel triple-concatenated forward error correction for 100Gb/s transmission. Simulation shows that a net coding gain of 10.8dB is obtained by a soft-decision LPDC code concatenated with t...
Experimental Demonstration of a Hybrid 1/2-dimentional En/Decoding Optical Code Division Multiple Access System
Hybrid coding fiber bragg grating (FBG) optical code-division-multiple-access (O-CDMA)
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2016/12/2
A hybrid 1D/2D en/decoding O-CDMA system is proposed to support multiple bit rates. To the best of our knowledge, a hybrid O-CDMA system with 2.5Gb/s (OC-16) and 155Mb/s (OC-3) transmission along the ...
LDPC Codes and Stochastic Decoding for Beyond 100 Gb/s Optical Transmission
LDPC Codes Stochastic Optical Transmission
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2015/8/4
We present a modified stochastic LDPC decoding algorithm suitable for implementation at 100-Gb/s and above. The stochastic decoding is invented for low-precision digital circuits, and as such is suita...
Reconfigurable Time Domain Spectral Phase Encoding/Decoding Scheme Using Fibre Bragg Gratings for Two-dimensional Coherent OCDMA
Time Domain Spectral Phase Encoding/Decoding Scheme Fibre Bragg Gratings Two-dimensional
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2015/8/4
We demonstrate the reconfigurable time domain spectral phase encoding/decoding (SPED) schemes using fibre Bragg gratings (FBG) for the first time. Chirped FBG is used for coherent spectral phase encod...