A Novel Detection Scheme for Reducing the Effect of Residual Doppler Frequency Offset in Spread Spectrum Systems 


Vol. 31,  No. 6, pp. 586-592, Jun.  2006


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  Abstract

In this paper, a novel detection method called the joint multiple frequency cell (JMFC) detection is addressed for spread spectrum code acquisition in the presence of residual Doppler frequency offset (RDFO). When the RDFO exists, the correlation peak used for detection during the acquisition process is split into several lower neighboring peaks, resulting in severe degradation in the detection performance, and consequently, in the overall acquisition performance. In the JMFC detection, a decision variable for detection is formed by combining several consecutive correlator outputs, so that the reduction in the correlation value due to the RDFO can be alleviated. Numerical results show that the proposed scheme can offer better detection performance over the conventional scheme based on the cell-by-cell detection.

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  Cite this article

[IEEE Style]

S. Yoo, S. Y. Kim, I. Song, "A Novel Detection Scheme for Reducing the Effect of Residual Doppler Frequency Offset in Spread Spectrum Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 6, pp. 586-592, 2006. DOI: .

[ACM Style]

Seungsoo Yoo, Sun Yong Kim, and Iickho Song. 2006. A Novel Detection Scheme for Reducing the Effect of Residual Doppler Frequency Offset in Spread Spectrum Systems. The Journal of Korean Institute of Communications and Information Sciences, 31, 6, (2006), 586-592. DOI: .

[KICS Style]

Seungsoo Yoo, Sun Yong Kim, Iickho Song, "A Novel Detection Scheme for Reducing the Effect of Residual Doppler Frequency Offset in Spread Spectrum Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 6, pp. 586-592, 6. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880