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In this paper, two full-wave simulators (one using flnite difierence time domain method and the other the method of moments) are developed, in order to analyze wireless communication in boxes with metallic enclosure based on time-reversal ultra-wideband (TR- UWB) technique. Impedance boundary conditions are exploited to model realistic metallic walls; and parallel computing is applied to relieve high computational resources requirements. Focusing in both space and time is exhibited by numerical results in arbitrarily shaped metallic boxes, which demonstrates the feasibility of TR-UWB communication in metallic boxes.

WIRELESS COMMUNICATION IN BOXES WITH METALLIC ENCLOSURE BASED ON TIME-REVERSAL ULTRA-WIDEBAND TECHNIQUE: A FULL-WAVE NUMERICAL STUDY