Single-feed Compact Ring Slot Patch Antenna for S-band Applications
نویسندگان
چکیده
The single-feed design of compact microstrip patch antenna with a rectangular ring slot has been demonstrated and results are presented. Simply by inserting a narrow slot of proper length and width on the patch surface, a bandwidth of 330 MHz (9.04 %) with a gain of 2.93 dB is achieved. Results also indicate that, at fixed operating frequency, the proposed design has good omni-directional radiation characteristics by the use of single probe feed technique with a reduced antenna size of about 10 % compared to simple microstrip patch antenna.
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