Error Probability of Convolutional Coding in Stretched Pulse OOK Optical Channels
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概要
- 論文の詳細を見る
An optical On-Off Keyed (OOK) pulse is often stretched in dispersive channels, thus producing intersymbol interference (ISI) and degrading the performance. In this paper, error probability is presented for a convolutionally encoded optical OOK channels with ISI. Both ISI-matched and ISI-mismatched decoders are taken into account in the error probability analysis. The encoded optical OOK signal is received by Avalanche Photo Diode (APD) and the number of APD output photo-electrons is counted for soft decision Viterbi decoding. Error probability is derived for a 3-bit and an ideal soft decision schemes in ISI-mismatched decoder and for and ideal soft decision scheme in ISI-matched decoder. Numerical results demonstrate the effects of mismatching or 3-bit soft decision scheme. Some computer simulations are carried out to confirm the validity of the analysis.
- 社団法人電子情報通信学会の論文
- 1993-02-25
著者
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Oka Ikuo
Faculty Of Engineering Osaka City University
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Fujiwara Hiroyuki
Faculty of Electro-Communications, University of Electro-Communications
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Ueno Juro
Musashi Institute of Technology
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Kudo Hiromasa
Musashi Institute of Technology
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Endo Ichiro
Musashi Institute of Technology
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Fujiwara Hiroyuki
Faculty Of Electro-communications University Of Electro-communications
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