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Performance analysis of a single-user MISO ultra-wideband time reversal system with DFE

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Abstract

This paper presents an analysis of the performance of a baseband multiple-input single-output (MISO) time reversal ultra-wideband system (TR-UWB) incorporating a symbol spaced decision feedback equalizer (DFE). A semi-analytical performance analysis based on a Gaussian approach is considered, which matched well with simulation results, even for the DFE case. The channel model adopted is based on the IEEE 802.15.3a model, considering correlated shadowing across antenna elements. In order to provide a more realistic analysis, channel estimation errors are considered for the design of the TR filter. A guideline for the choice of equalizer length is provided. The results show that the system’s performance improves with an increase in the number of transmit antennas and when a symbol spaced equalizer is used with a relatively small number of taps compared to the number of resolvable paths in the channel impulse response. Moreover, it is possible to conclude that due to the time reversal scheme, the error propagation in the DFE does not play a role in the system’s performance.

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Authors and Affiliations

  1. Dept. of Telecomm. and Control Engineering, Escola Politécnica of the University of São Paulo, São Paulo, Brazil

    Bruno A. Angélico, Phillip M. S. Burt & Paul Jean E. Jeszensky

  2. Dept. of Electrical & Computer Engineering, University of California San Diego, San Diego, USA

    William S. Hodgkiss

  3. Dept. of Electrical Engineering, State University of Londrina, Londrina, Brazil

    Taufik Abrão

Authors
  1. Bruno A. Angélico
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  2. Phillip M. S. Burt
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  3. Paul Jean E. Jeszensky
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  4. William S. Hodgkiss
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  5. Taufik Abrão
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Corresponding author

Correspondence to Taufik Abrão.

Additional information

Part of this work was presented in the ISSSTA’08 conference.

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Angélico, B.A., Burt, P.M.S., Jeszensky, P.J.E. et al. Performance analysis of a single-user MISO ultra-wideband time reversal system with DFE. Telecommun Syst 46, 333–342 (2011). https://doi.org/10.1007/s11235-010-9295-1

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  • DOI: https://doi.org/10.1007/s11235-010-9295-1

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