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Fractional Fourier transform based transmitted reference scheme for UWB communications

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Abstract

In this paper, we propose a receiving system for impulse radio ultra-wideband (IR-UWB) communications, in which the data and reference pulses are combined as one signal to transmit, and the received signal can be divided into the data and reference pulses in the receiver end using the energy concentration property of Chirp pulses in fractional Fourier transform (FrFT) domain. A detailed theoretical analysis of the proposed system is given, and the formulation of bit error rate (BER) is obtained. Then according to the BER formulation, system performance of the proposed receiving system is compared with existing STR, DTR and ATR systems, considering timing-variance of IR-UWB channels as well as timing jitter at the transmitter. Results show that the proposed receiving system outperforms existing systems in most situations.

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Authors and Affiliations

  1. Communication Research Center, Harbin Institute of Technology, Harbin, 150001, China

    Di Lin, XuanLi Wu & XueJun Sha

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  1. Di Lin
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  2. XuanLi Wu
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  3. XueJun Sha
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Correspondence to Di Lin.

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Lin, D., Wu, X. & Sha, X. Fractional Fourier transform based transmitted reference scheme for UWB communications. Sci. China Inf. Sci. 54, 1712–1722 (2011). https://doi.org/10.1007/s11432-011-4209-8

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  • DOI: https://doi.org/10.1007/s11432-011-4209-8

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