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Performance of a Binary PPM Ultra-Wideband Communication System with Direct Sequence Spreading for Multiple Access

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Abstract

In this paper, we present an analysis of the BER performance of an ultra-wideband (UWB) system with pulse position modulation (PPM) for data modulation and direct sequence (DS) spreading for multiple access over indoor lognormal fading channels. A rake receiver is used to combine a subset of the resolvable multipath components using the maximal ratio combining technique. Inter-path and multiple-access interferences are modeled and incorporated into the bit-error-rate expressions. The analytical and simulation results allow one to quantify many critical aspects of a DS-PPM UWB system such as the gain of the optimally spaced signaling scheme over the orthogonal signaling scheme, the potential error floor given a specific channel multipath delay spread and the number of interfering users, tolerance of the system to timing jitter, and impact of user codes.

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Authors and Affiliations

  1. School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR, 97331, USA

    Mario E. Magaña, Huaping Liu & Vinod Venkatesan

  2. Ikanos Communication Inc, 100 Schultz Drive, Redbank, NJ, 07701, USA

    Vinod Venkatesan

Authors
  1. Mario E. Magaña
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  2. Huaping Liu
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  3. Vinod Venkatesan
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Correspondence to Mario E. Magaña.

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Magaña, M.E., Liu, H. & Venkatesan, V. Performance of a Binary PPM Ultra-Wideband Communication System with Direct Sequence Spreading for Multiple Access. Wireless Pers Commun 65, 125–142 (2012). https://doi.org/10.1007/s11277-011-0231-9

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  • DOI: https://doi.org/10.1007/s11277-011-0231-9

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