Estimation of Spread Spectrum Signal Parameters Utilizing Wavelet Transform Analysis
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Date
2005-04
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Mark
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Společnost pro radioelektronické inženýrství
Abstract
This paper investigates the application of wavelet transform (WT) to the extraction of particular features of direct sequence spread spectrum signals. The WT is exploited to the point that not only its capabilities but also its limitations are exposed to achieve the specific task of identifying spread spectrum signal parameters. The capabilities focus on the detection of the chipping sequence, while the limitations refer primarily to the advent of direct sequence CDMA signals. In the latter case no progress has yet been made to distinguish the different chipping sequences by the WT, whose resultant effect on the carrier appears as a single-phase change.
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Radioengineering. 2005, vol. 14, č. 1, s. 12-19. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2005/05_01_12_19.pdf
http://www.radioeng.cz/fulltexts/2005/05_01_12_19.pdf
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Peer-reviewed
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en