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Trellis-Coded Modulation in Fiber-Optic Communications

Hongxia Zhao (Institutionen för signaler och system, Kommunikationssystem) ; Erik Agrell (Institutionen för signaler och system, Kommunikationssystem) ; Magnus Karlsson (Institutionen för mikroteknologi och nanovetenskap, Fotonik)
Göteborg : Chalmers University of Technology, 2008. - 5 s.

In this paper, we for the first time propose to use rellis-coded modulation (TCM) mapped with 8-level phase shift keying (8PSK) in a fiber-optic communication system. The performance of a back-to-back system is evaluated numerically. For differential detection, an 8PSK TCM system with simple encoder and decoder gives more than 2dB coding gain compared to uncoded quadrature phase shift keying (QPSK) system without sacrificing transmission bandwidth. For coherent detection, a coding gain of more than 3dB is obtained.

Denna post skapades 2008-03-07. Senast ändrad 2016-04-28.
CPL Pubid: 68967