Abstract
We propose an improved time reversal (TR) prfilter for indoor wireless communication system to maximize signal-to-sidelobe ratio (SSR). Proposed prefilter maximizes peak power of received signal and minimizes inter-symbol interference at the same time by SSR maximization. We design an optimization problem to maximize SSR and find an $$\epsilon$$∈-optimal solution. The simulation results show that proposed TR prefilter has better BER performance than the conventional TR prefilter at overall SNR.
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