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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 23, Iss. 8 — Aug. 1, 2005
  • pp: 2342–

On Error-Correction Coding for CDMA PON

Henrik Lundqvist and Gunnar Karlsson

Journal of Lightwave Technology, Vol. 23, Issue 8, pp. 2342- (2005)

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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 account.

© 2005 IEEE

Henrik Lundqvist and Gunnar Karlsson, "On Error-Correction Coding for CDMA PON," J. Lightwave Technol. 23, 2342- (2005)

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