Wireless Personal Communications

, Volume 77, Issue 3, pp 2291–2303 | Cite as

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

  • Dariush Abbasi-Moghadam
  • Ali Mohebbi
  • Zohreh Mohades
Article

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.

Keywords

Ultra-wideband (UWB) Time reversal Energy detector Optimum integration interval 

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Dariush Abbasi-Moghadam
    • 1
  • Ali Mohebbi
    • 2
  • Zohreh Mohades
    • 3
  1. 1.Electrical Engineering DepartmentShahid Bahonar University of KermanKermanIran
  2. 2.Faculty of EngineeringIslamic Azad UniversityTehranIran
  3. 3.School of Electrical EngineeringIran University of Science and TechnologyTehranIran

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