O-CDMA Code Acquisition Algorithm Based on Magnitude and Sign of Correlation Values 


Vol. 34,  No. 6, pp. 649-655, Jun.  2009


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  Abstract

Mean acquisition time (MAT) is the most important performance measure for code acquisition systems, where a shorter MAT implies a better code acquisition performance. Keshavarzian and Salehi proposed the multiple-shift (MS) algorithm for code acquisition in optical code division multiple access (O-CDMA) systems. Performing two steps acquisition, the MS algorithm has a shorter MAT than that of the conventional serial-search (SS) algorithm. In this paper, we propose a rapid code acquisition algorithm for O-CDMA systems. By using an efficient combination of local signals, correlation value, and the sign of correlation value, the proposed algorithm can provide a shorter MAT compared with that of the MS algorithm. The simulation results show that the proposed algorithm presents a shorter MAT than that of the MS algorithm.

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  Cite this article

[IEEE Style]

D. Chong, T. Yoon, Y. Lee, Y. Lee, C. Song, S. R. Park, S. Yoon, "O-CDMA Code Acquisition Algorithm Based on Magnitude and Sign of Correlation Values," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 6, pp. 649-655, 2009. DOI: .

[ACM Style]

Dahae Chong, Taeung Yoon, Youngpo Lee, Youngyoon Lee, Chonghan Song, So Ryoung Park, and Seokho Yoon. 2009. O-CDMA Code Acquisition Algorithm Based on Magnitude and Sign of Correlation Values. The Journal of Korean Institute of Communications and Information Sciences, 34, 6, (2009), 649-655. DOI: .

[KICS Style]

Dahae Chong, Taeung Yoon, Youngpo Lee, Youngyoon Lee, Chonghan Song, So Ryoung Park, Seokho Yoon, "O-CDMA Code Acquisition Algorithm Based on Magnitude and Sign of Correlation Values," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 6, pp. 649-655, 6. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880