UWB orthogonal pulses design based on polycycle signal

MA Ying-jie, ZHOU Zheng, JIANG Hua, SHI Lei, TANG Liang

Systems Engineering - Theory & Practice ›› 2012, Vol. 32 ›› Issue (11) : 2564-2569.

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Systems Engineering - Theory & Practice ›› 2012, Vol. 32 ›› Issue (11) : 2564-2569. DOI: 10.12011/1000-6788(2012)11-2564

UWB orthogonal pulses design based on polycycle signal

  • MA Ying-jie1,2, ZHOU Zheng1, JIANG Hua2, SHI Lei1, TANG Liang1
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Abstract

The generation of orthogonal pulses is a crucial technology in UWB wireless application. A novel design algorithm to generate orthogonal UWB shaped pulses is proposed based on the eigenvector of Hermite matrix and polycycle signal. The power spectral density (PSD) of the proposed orthogonal UWB pulses meets the FCC UWB indoor and outdoor spectral mask, furthermore, it has many characteristics in favor of multi-access detection, such as high spectral occupation rate, high auto-correlation and very weak cross-correlation. Finally, through the analyses and simulation of suppressing multi-user interference (MUI) in 2PPM-THMA UWB systems, the proposed orthogonal UWB pulses could be proved to have more predominant anti-interference performance than Scholtz pulse.

Key words

ultra-wideband impulse radio (UWB-IR) / Hermite matrix / polycycle pulse / power spectral density (PSD) / multi-user interference (MUI)

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MA Ying-jie , ZHOU Zheng , JIANG Hua , SHI Lei , TANG Liang. UWB orthogonal pulses design based on polycycle signal. Systems Engineering - Theory & Practice, 2012, 32(11): 2564-2569 https://doi.org/10.12011/1000-6788(2012)11-2564

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