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Article Dans Une Revue Journal of Communications Software and Systems Année : 2007

Error Probability Upper Bound Considering Beat Noise in 2-D OCDMA Systems

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Stéphanie Sahuguede
Anne Julien-Vergonjanne
Jean-Pierre Cances
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Résumé

Considering a 2-Dimensional Optical Code Division Multiple Access (2-D OCDMA) system with spreading codes in both time and wavelength domains, we develop in this paper a theoretical analysis of the performance limited by beat noise due to the photo detection. The impact of beat noise is correlated with the well-known OCDMA limitation named Multiple Access Interference (MAI). This study permits theoretically assessing the error probability upper bound of a system working in incoherent or partially coherent optical regime. We discuss the specifications and requirements needed to neglect the effect of beat noise, for a 2D OCDMA system with a conventional receiver. For a targeted Bit Error Rate (BER), and a given number of active users, one can determine from our results, the 2-D code family parameters, the performance in term of available data rate and the optical source characteristics, required to be free of beat noise impact.
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Dates et versions

hal-00649699 , version 1 (08-12-2011)

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  • HAL Id : hal-00649699 , version 1

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Stéphanie Sahuguede, Anne Julien-Vergonjanne, Jean-Pierre Cances. Error Probability Upper Bound Considering Beat Noise in 2-D OCDMA Systems. Journal of Communications Software and Systems, 2007, 3 (4), pp. 266-274. ⟨hal-00649699⟩

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