volume | PIER Journals

Abstract

This paper presents a highly directive pattern reconfigurable antenna array capable of switching single or multiple beams of high directivity in multiple directions. Each element is individually capable of providing radiation pattern of directivity 12 dB and realized gain of 10.2 dB. Here, eight directive array elements are arranged in a circular fashion resembling a fan along with a switching arrangement to obtain beam switching in the horizontal plane. Two or more elements can be excited simultaneously to obtain patterns in multiple directions. In another configuration, the elements are arranged around a cylindrical support resembling an umbrella structure to obtain azimuthal switching at a desired tilt. The ability to reconfigure patterns in desired direction facilitates their usage as base station antennas providing desired angular coverage to intended users only, resulting in least signal interference.

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Ms. Sruthi Dinesh

Dr. Chaluvayalil Vinisha

Dr. Deepti Das Krishna

Prof. Jean Marc Laheurte

Dr. Chandroth K. Aanandan