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2013-04-08
Improved Method of Node and Threshold Selection in Wavelet Packet Transform for UWB Impulse Radio Signal Denoising
By
Progress In Electromagnetics Research C, Vol. 38, 241-257, 2013
Abstract
Ultra wide band (UWB) impulse radio (IR) technology has different applications in different sectors such as short range radios and collision avoidance radar. A strong signal denoising method is needed for UWB-IR signal detection. One of the challenges of UWB-IR signal detection technique is the environmental interferences and noises. Wavelet Packet Transform (WPT) based multi-resolution analysis technique is suitable for this kind of signal denoising and detection. The paper describes a better method of denoising and detection technique of UWB-IR signal based on calculation of energies of the coefficients of each WPT terminal-node and by using an improved threshold calculation technique. The proposed technique is investigated through both simulation and experimentation.
Citation
Abul Kalam Mohammed Baki Nemai C. Karmakar , "Improved Method of Node and Threshold Selection in Wavelet Packet Transform for UWB Impulse Radio Signal Denoising," Progress In Electromagnetics Research C, Vol. 38, 241-257, 2013.
doi:10.2528/PIERC13011709
http://www.jpier.org/PIERC/pier.php?paper=13011709
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