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http://dx.doi.org/10.4218/etrij.13.0112.0315

Novel Spectrally Efficient UWB Pulses Using Zinc and Frequency-Domain Walsh Basis Functions  

Chaurasiya, Praveen (QCT, Qualcomm Inc.)
Ashrafi, Ashkan (Department of Electrical and Computer Engineering, San Diego State University)
Nagaraj, Santosh (Department of Electrical and Computer Engineering, San Diego State University)
Publication Information
ETRI Journal / v.35, no.3, 2013 , pp. 397-405 More about this Journal
Abstract
In this paper, two sets of spectrally efficient ultra-wideband (UWB) pulses using zinc and frequency-domain Walsh basis functions are proposed. These signals comply with the Federal Communications Commission (FCC) regulations for UWB indoor communications within the stipulated bandwidth of 3.1 GHz to 10.6 GHz. They also demonstrate high energy spectral efficiency by conforming more closely to the FCC mask than other UWB signals described in the literature. The performance of these pulses under various modulation techniques is discussed in this paper, and the proposed pulses are compared with Gaussian monocycles in terms of spectral efficiency, autocorrelation, crosscorrelation, and bit error rate performance.
Keywords
Ultra-wideband communications; orthogonal pulse design; zinc basis functions; Walsh functions; frequency-domain Walsh basis functions;
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