volume | PIER Journals

Abstract

This paper presents a very simple comb shaped single layer microstrip patch antenna with seven operating bands for wireless systems. Eight symmetrical rectangular strips are connected by a single strip to achieve multiple operating bands. The proposed antenna provides maximum number of resonating bands compared to the antennas of its class. Effects of additional strips and the connecting strip on the antenna characteristics are studied. A prototype of the antenna is fabricated for experimental validation. The measured reflection coefficient (S₁₁) and radiation patterns are in good agreement with their simulated counterpart. Measured result shows that the proposed antenna can operate at seven different frequency bands 1.56-1.64 GHz, 1.76-1.94 GHz, 3.62-3.74 GHz, 4.43-4.48 GHz, 5.02-5.13 GHz, 5.48-5.62 GHz and 5.92-6.02 GHz. These bands cover some of the most useful bands for wireless systems such as GPS (1570.42-1580.42 MHz), DCS-1800 (1710-1880 MHz), PCS-1900 (1850-1990 MHz), WiMAX and WLAN.

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Dr. Kaushik Mandal