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In this paper, a simple compact radiation pattern reconfigurable patch antenna is presented. The proposed design is composed of two back-to-back identical patches surrounded by a conductive strip, etched on both sides of a dielectric substrate. It has the same dimensions as a classical patch. Thanks to the use of well-placed switches, it allows switching its radiation pattern between three modes, forward- and backward- broadside radiation patterns, and omnidirectional one. Realization examples of single- and two-port- patch antennas operating in the 2.45GHz ISM band are presented. These antennas are printed on an FR4 substrate with total dimensions of 42x42x1.2mm 3 . Their simulated performances are presented, thoroughly analyzed and validated experimentally.
