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Stepped Cut Four Corners Microstrip Patch Antenna to enhance Bandwidth at 7.5 GHz for Wireless Communications
This paper presents the bandwidth enhancements in a microstrip line feed patch antenna by the use of selective stepped cuttings at four corners.This paper addresses the performance comparisons of three different patch antennas.The first is a conventional rectangular patch over Rogers RT Duroid 5880 substrate operating at 7.5GHz, In the second stage the patch antenna possesses a step at the corners and as a result the designed antenna operates at 7.8GHz with minimum return loss and with increased band width of 63.61%.The third structure that is being proposed maintain more steps at the corners and operates at 7.5GHz with minimum return loss and bandwidth increase of 74.98% is achieved.
Keywords
Bandwidth, Returnloss, Microstrippatch Antenna, Microstrip Line Feed.
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