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Performance of convolutional codes in noisy optical channels using an APD‐viterbi decoder receiver
Author(s) -
Fares Doaa A.
Publication year - 1990
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.4650030403
Subject(s) - convolutional code , viterbi decoder , computer science , viterbi algorithm , pulse position modulation , soft output viterbi algorithm , turbo code , electronic engineering , coding (social sciences) , channel (broadcasting) , algorithm , decoding methods , sequential decoding , telecommunications , detector , pulse (music) , block code , engineering , mathematics , pulse amplitude modulation , statistics
Abstract In this analysis, performance evaluation of orthogonal convolutional coded pulse position modulation (PPM) in a typical binary‐asymmetric optical channel is presented. Then, the system performance is compared to that of the Reed‐Solomon coded PPM model, where high background noise affects the channel behavior. Using an avalanche photodetector for detection, threshold decision technique is used. This treatment for the PPM orthogonal convolutional coding is more comprehensive than that described in reference 1.