A Rapid Two-Step Acquisition Algorithm for UWB Systems in Indoor Wireless Channels 


Vol. 30,  No. 8, pp. 742-753, Aug.  2005


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  Abstract

In this paper, we propose a rapid and reliable signal acquisition scheme for UWB (Ultra Wide Band) systems in typical indoor wireless channels. The proposed scheme is a two-step search with different thresholds and search window applied to a single correlator, where each step utilizes the single-dwell search with the bit reversal. Simulation results in IEEE 802.15 Task Group 3a UWB indoor wireless channel show that the proposed scheme for the UWB signals can achieve significant reduction of the required mean acquisition time as compared to the conventional single-dwell bit reversal search and double-dwell bit reversal search with more complex structure employing two correlators for various threshold levels. In addition, it is also observed that the proposed scheme can achieve much faster and reliable signal acquisition in noisy environments.

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  Cite this article

[IEEE Style]

S. Yang, J. Oh, J. Kim, Y. Shin, "A Rapid Two-Step Acquisition Algorithm for UWB Systems in Indoor Wireless Channels," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 8, pp. 742-753, 2005. DOI: .

[ACM Style]

Suckchel Yang, Jongok Oh, Jaewoon Kim, and Yoan Shin. 2005. A Rapid Two-Step Acquisition Algorithm for UWB Systems in Indoor Wireless Channels. The Journal of Korean Institute of Communications and Information Sciences, 30, 8, (2005), 742-753. DOI: .

[KICS Style]

Suckchel Yang, Jongok Oh, Jaewoon Kim, Yoan Shin, "A Rapid Two-Step Acquisition Algorithm for UWB Systems in Indoor Wireless Channels," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 8, pp. 742-753, 8. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880