Abstract
Recently Partially Reflective Surface (PRS) antennas have received significant attention due to their compact structure and ease of achieving high directivity. A multiband partially reflective surface (PRS) antenna specifically employed for X-band (radar communication) and WLAN applications is presented. RT-Duroid 4003 is used as a substrate with thickness of 20 mils and relative permitivity of 2.2. The prototype initially consists of a microstrip patch as the source antenna, PEC ground plane and PRS surface employed with 2×2 radiators which operated at 1.8GHz and 5.375GHz (5.042GHz-5.689GHz) used in GSM and WLAN applications. Further the design was enhanced with 3×6 radiating elements which operated at 5.498GHz and 7.535GHz suitable for X-band applications. Antenna exhibits omni-directional radiation patterns with reasonable gain on all operating frequency bands. Analysis and simulation of prototype was performed using Agilent Advanced Design System (ADS).
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