A Super-Resolution Time Delay Estimation Algorithm for Spread Spectrum Signals 


Vol. 37,  No. 2, pp. 119-127, Feb.  2012


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  Abstract

In this paper a super-resolution time delay estimation algorithm is developed for real-time locating systems (RTLSs) that employ a direct-sequence spread spectrum technique, along with its performance analysis in multipath environments. The classical correlation method provides relatively good performance in line-of-sight (LOS) environments but its performance seriously degrades in multipath environments, especially when signals are spaced closer than a PN chip. Therefore we shall develop a super-resolution time delay estimation algorithm that may estimate the time delays of multipath signals even in closely spaced multipath environments using the MUSIC algorithm for direction-of-arrival estimation and analyze its performance by applying the algorithm to the ISO/IEC 24730-2.1 RTLS system.

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  Cite this article

[IEEE Style]

J. Shin, S. Myong, E. Chang, H. Park, "A Super-Resolution Time Delay Estimation Algorithm for Spread Spectrum Signals," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 2, pp. 119-127, 2012. DOI: .

[ACM Style]

Joon-Ho Shin, Seung-Il Myong, Eun-young Chang, and Hyung-Rae Park. 2012. A Super-Resolution Time Delay Estimation Algorithm for Spread Spectrum Signals. The Journal of Korean Institute of Communications and Information Sciences, 37, 2, (2012), 119-127. DOI: .

[KICS Style]

Joon-Ho Shin, Seung-Il Myong, Eun-young Chang, Hyung-Rae Park, "A Super-Resolution Time Delay Estimation Algorithm for Spread Spectrum Signals," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 2, pp. 119-127, 2. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880