Trellis coded optical modulation using QAM constellations

Emmanuel Le Taillandier de Gabory,Tatsuya Nakamura,Hidemi Noguchi,Wakako Maeda,Sadao Fujita,Junichi Abe,Kiyoshi Fukuchi

Trellis coded optical modulation using QAM constellations

2016

Emmanuel Le Taillandier de Gabory
Tatsuya Nakamura
Hidemi Noguchi
Wakako Maeda
Sadao Fujita
Junichi Abe
Kiyoshi Fukuchi

We review TCM with 16QAM constellations. Multiple state TCM widens design options and provides two additional settings for flexible transponders. 8-state TCM 12QAM increases transmission distance by 880km at 3b/s/Hz. TCM benefits substantially from BP.

Keywords:

Optical communication
Quadrature amplitude modulation
Pulse-amplitude modulation
Digital signal processing
Transponder
Analog transmission
Telecommunications
QAM
Electronic engineering
Modulation
Engineering
Constellation

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