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Time reversal based beamforming for wireless communications: A theoretical analysis from moderate-scale to large-scale antenna systems

Abstract : This paper aims at presenting a comprehensive analysis of time-reversal (TR) as a precoding scheme for wireless communications. As exposed in the paper, TR can be viewed as a particular spatial filtering scheme with some strong commonalities with more conventional beamforming strategies used in large-scale antenna systems (LSAS). Our goal is to compare the behavior and the performance of the TR-based beamforming with that of the well-known Maximum Ratio Transmission (MRT). Therefore, we develop a generic system model for TR-based beamforming systems. Then we lead a theoretical performance analysis relying on ergodic capacity computations and based on statistical models of the equivalent channels obtained with both RT and MRT precoding schemes. © 2015 IEEE.
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Submitted on : Wednesday, November 16, 2016 - 2:25:35 PM
Last modification on : Monday, October 5, 2020 - 9:50:24 AM

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Matthieu Crussière, H. Fu, M. Helard. Time reversal based beamforming for wireless communications: A theoretical analysis from moderate-scale to large-scale antenna systems. 5th International Conference on Communications and Networking, COMNET 2015, Nov 2015, Hefei, China. pp.7566634, ⟨10.1109/COMNET.2015.7566634⟩. ⟨hal-01397919⟩

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