Adaptive Timing Synchronization Algorithm for WiBro Uplink 


Vol. 31,  No. 11, pp. 1068-1075, Nov.  2006


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  Abstract

An adaptive ranging technique for Orthogonal Frequency Division Multiple Access(OFDMA) uplink transmission is proposed for timing synchronization of multiple mobile stations located different distances from a base station. By combining the Timing Phase Compensated Frequency Domain Cross-correlation(TPCFDC) and Frequency Domain Differential Cross-correlation(FDDC), the proposed scheme reduces the number of correlators used in ordinary TPCFDC. Repeated initial ranging attempt with the FDDC in the proposed scheme greatly reduces the hardware implementation complexity. Simulation results for ranging success probability and average ranging attempts count show that the proposed algorithm performs similarly with the ordinary TPCFDC even with the 10 times reduced complexity.

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  Cite this article

[IEEE Style]

J. Kim, Y. Jin, K. Kim, J. Ahn, "Adaptive Timing Synchronization Algorithm for WiBro Uplink," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 11, pp. 1068-1075, 2006. DOI: .

[ACM Style]

Jeongbeen Kim, Younghwan Jin, Kyungsoo Kim, and Jaemin Ahn. 2006. Adaptive Timing Synchronization Algorithm for WiBro Uplink. The Journal of Korean Institute of Communications and Information Sciences, 31, 11, (2006), 1068-1075. DOI: .

[KICS Style]

Jeongbeen Kim, Younghwan Jin, Kyungsoo Kim, Jaemin Ahn, "Adaptive Timing Synchronization Algorithm for WiBro Uplink," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 11, pp. 1068-1075, 11. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880