International Conference on Instrumentation, Measurement, Circuits and Systems (ICIMCS 2011)
174 A Compact Multi-Band Antenna for GPS, Wlan and Wimax Applications
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A compact multi-band antenna designs for wireless communication applications in GPS, WIMAX and WLAN operation is presented in this paper. The antenna is composed of two T-shaped patches and a microstrip rectangular patch in which digs two circular slots. Antenna adopts feeding edge for the purpose of compactness. By adjusting the diameter of the two circular slots and the size of the T-shaped patch, resonant frequencies and bandwidth of the antenna are controlled and the multiple operating bands are achieved. Good performances of the antenna are observed. The performances of the proposed antenna prove verify that the presented antenna is a good solution for GPS , WIMAX and WLAN communication applications.