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Comparisons of various pulse shapes for DS-UWB signals over the UWB channel

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Abstract

In this paper, we first investigate the power spectral densities (PSD) of bipolar modulated Direct Sequence Ultra Wide Band (DS-UWB) signals using various pulse shapes under the FCC UWB emission mask. Considered pulse shapes are the first five derivatives of the Gauss pulse (p1, p2, p3, p4 and p5), the first four orthogonal modified Hermite waveforms, and Daubechies wavelets (db-q). It is observed in the PSD results that p4 and p5 Gauss pulses, the Daubechies (db-q) for q>4 comply with the FCC UWB rule by selecting proper values for the pulse duration. Then, we derive the pulse shape dependent probability of error expression for bipolar DS-UWB signals over the standard UWB channel. The five pulse shapes (p4, p5, db-5, db-6 and db-7) complying with the FCC emission mask are numerically compared by using the derived probability of error expression over the CM1 model of the Standard UWB channel. Results reveal that the Daubechies have better performance than those of the two Gauss pulses.

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Authors and Affiliations

  1. Department of Electrical and Electronics Engineering, Zonguldak Karaelmas University, 67100, Zonguldak, Turkey

    Ertan Öztürk & Ergin Yılmaz

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  1. Ertan Öztürk
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  2. Ergin Yılmaz
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Correspondence to Ertan Öztürk.

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Öztürk, E., Yılmaz, E. Comparisons of various pulse shapes for DS-UWB signals over the UWB channel. Telecommun Syst 42, 213 (2009). https://doi.org/10.1007/s11235-009-9181-x

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  • DOI: https://doi.org/10.1007/s11235-009-9181-x

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