Optimal code Design for 2-D Optical CDMA LANs 


Vol. 27,  No. 12, pp. 1279-1287, Dec.  2002


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  Abstract

In this paper, we study the optimal code design for the OCDMA LANs with given system parameters such as the chip length (M), the number of wavelengths (L), and the number of active nodes (N). In particular, we verify that the weight (W) of the OCDMA code has a significant impact on the bit error rate (BER) performance of the system, and show thar the optimal weight that minimizes the BER is determined as W=1.4LM/N via analytic derivation. Comprehensive simulation results are attached to support the accuracy of the derivation. We also present a simple technique to estimate the number of active nodes on a LAN only based on the optical signal measured on the shared medium, and its error characteristics is further investigated analytically and numerically.

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  Cite this article

[IEEE Style]

T. Kim, W. Sung, J. Choi, "Optimal code Design for 2-D Optical CDMA LANs," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1279-1287, 2002. DOI: .

[ACM Style]

Taewon Kim, Wonjin Sung, and Jinwoo Choi. 2002. Optimal code Design for 2-D Optical CDMA LANs. The Journal of Korean Institute of Communications and Information Sciences, 27, 12, (2002), 1279-1287. DOI: .

[KICS Style]

Taewon Kim, Wonjin Sung, Jinwoo Choi, "Optimal code Design for 2-D Optical CDMA LANs," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1279-1287, 12. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880