An Optical CDMA Code Acquisition Algorithm Using Multiple Thresholds 


Vol. 33,  No. 12, pp. 1075-1081, Dec.  2008


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  Abstract

In this paper, we propose a code acquisition algorithm using optical orthogonal code (OOC) for optical code division multiple access (CDMA) systems. Generally, a good code acquisition algorithm offers short mean acquisition time (MAT). The conventional multiple-shift (MS) algorithm consists of two stages and has shorter MAT than that of well-known serial-search (SS) algorithm. This paper proposes a novel code acquisition algorithm called enhanced multiple-shift (EMS) algorithm. By using multiple thresholds, the proposed EMS algorithm provides shorter MAT compared with that of the MS algorithm. The simulation results show that the EMS algorithm presents shorter MAT compared with the MS algorithm in both single-user and multi-user environments.

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  Cite this article

[IEEE Style]

D. Chong, Y. Lee, S. Ahn, S. R. Lee, S. Yoon, "An Optical CDMA Code Acquisition Algorithm Using Multiple Thresholds," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 12, pp. 1075-1081, 2008. DOI: .

[ACM Style]

Dahae Chong, Youngyoon Lee, Sangho Ahn, Seong Ro Lee, and Seokho Yoon. 2008. An Optical CDMA Code Acquisition Algorithm Using Multiple Thresholds. The Journal of Korean Institute of Communications and Information Sciences, 33, 12, (2008), 1075-1081. DOI: .

[KICS Style]

Dahae Chong, Youngyoon Lee, Sangho Ahn, Seong Ro Lee, Seokho Yoon, "An Optical CDMA Code Acquisition Algorithm Using Multiple Thresholds," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 12, pp. 1075-1081, 12. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880