Title :
Experimental demonstration of the 8-state Trellis-coded 4D-QPSK optical modulation format
Author :
Ishimura, Shota ; Kikuchi, Kazuro
Author_Institution :
Dept. of Electr. Eng. & Inf. Syst., Univ. of Tokyo, Tokyo, Japan
Abstract :
We experimentally evaluate the bit-error-rate (BER) performance of the 8-state Trellis-coded 4D-QPSK format that we proposed previously. At BER=10-3, 4-dB receiver-sensitivity improvement against DP-QPSK is obtained with a simple encoder structure.
Keywords :
encoding; error statistics; optical receivers; quadrature phase shift keying; trellis coded modulation; 8-state trellis-coded 4D-QPSK optical modulation format; BER performance; bit-error-rate performance; encoder structure; receiver-sensitivity improvement; Convolutional codes; Decision support systems; Electrical engineering; Optical fiber communication; Optical modulation; Optical receivers;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
