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On error-correction coding for CDMA PON

delete2005-08-01
delete21
PRE
AI
H
Henrik Lundqvist
G
Gunnar Karlsson
DOI：10.1109/JLT.2005.850776delete
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Abstract

Abstract

En 中文
Optical-code-division multiple access (OCDMA) has been investigated as a multiple-access technique for a long time, but so far, it has not reached any practical success. We investigate the performance of low-complexity OCDMA systems with a realistic model of noise and interference; the main limitation of the system is beat noise. To improve the performance, we consider forward-error correction (FEC) and soft decoding using standard error-correcting codes. The achievable error rates are evaluated using simulations and show significant improvement when FEC is used. The results also show that frequency-hopping systems perform better than temporally coded systems when beat noise is taken into accound.
Keywords:
beat noise
error-correction coding
optical-code-division multiple access (OCDMA)
soft decoding

Journal

Journal of Lightwave Technology cover
Journal of Lightwave Technology
IF:
4.8
Papers:
1.7W
Citations:
3.8W

Organization

No organization information available