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Performance Analysis of Time Reversal UWB Communication with Non-coherent Energy Detector

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Abstract

Non-coherent receivers, such as energy detectors (ED), are the simplest and the most practical alternatives to coherent receivers for low-rate and low-complexity applications in ultra-wideband (UWB) systems. However, these advantages are achieved at the expense of non-negligible performance degradation. One solution to improve the performance is to make use of time reversal (TR) technique. In this study, the performance of TR technique with non-coherent ED is analyzed in UWB systems. First, we derive an approximate analytical formula for the error probability of TR-ED which is based on tapped-delay line (TDL) channel model. Next, we theoretically and by simulations analyze the optimum integration interval which maximizes the performance of TR-ED. The results show that TR technique, by reducing the integration interval, considerably improves the performance compared to the conventional ED scheme.

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Authors and Affiliations

  1. Electrical Engineering Department, Shahid Bahonar University of Kerman, Shahab, Kerman, Iran

    Dariush Abbasi-Moghadam

  2. Faculty of Engineering, Islamic Azad University, South Tehran Branch, Tehran, Iran

    Ali Mohebbi

  3. School of Electrical Engineering, Iran University of Science and Technology, Tehran, Iran

    Zohreh Mohades

Authors
  1. Dariush Abbasi-Moghadam
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  2. Ali Mohebbi
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  3. Zohreh Mohades
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Corresponding author

Correspondence to Dariush Abbasi-Moghadam.

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Abbasi-Moghadam, D., Mohebbi, A. & Mohades, Z. Performance Analysis of Time Reversal UWB Communication with Non-coherent Energy Detector. Wireless Pers Commun 77, 2291–2303 (2014). https://doi.org/10.1007/s11277-014-1638-x

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  • DOI: https://doi.org/10.1007/s11277-014-1638-x

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