A Dual Band Microstrip Patch Antenna for WLAN and WiMAX Applications
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Description
In this paper, the design of a multiple U-slotted microstrip patch antenna with frequency selective surface (FSS) as a superstrate for WLAN and WiMAX applications is presented. The proposed antenna is designed by using substrate FR4 having permittivity of 4.4 and air substrate. The characteristics of the antenna are designed and evaluated the performance of modelled antenna using CST Microwave studio. The proposed antenna dual resonant frequency has been achieved in the band of 2.37-2.55 GHz and 3.4-3.6 GHz. Because of the impact of FSS superstrate, it is found that the bandwidths have been improved from 6.12% to 7.35 % and 3.7% to 5.7% at resonant frequencies 2.45 GHz and 3.5 GHz, respectively. The maximum gain at the resonant frequency of 2.45 and 3.5 GHz are 9.3 and 11.33 dBi, respectively.
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References
- Dinesh Yadav, "L-Slotted Rectangular Microstrip Patch Anenna," Communication Systems and Network Technologies (CSNT), 3-5 June 2011, pp. 220 - 223
- Hsing-Yi Chen and Yu Tao, "Performance Improvement of a U-Slot Patch Antenna Using a Dual-Band Frequency Selective Surface With Modified Jerusalem Cross Elements," IEEE Trans. Antenna Propag, Vol. 59, NO. 9, September 2011, pp. 3482-3486
- YongxingChe, XinyuHou, Peng Zhang, "Design of Multiple FSS Screens with Dissimilar Periodicities for Directivity Enhancement of A Dual-band Patch Antenna,"Antennas Propagation and EM Theory (ISAPE),29 November 2010-2 December 2010, pp. 319-322.
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- Xiaoang Li, Chao Li, "Design of High Gain Multiple U-Slot Microstrip Patch Antenna for Wireless System," Computational Problem-Solving (ICCP), 3-5 December. 2010, pp. 256-259
- Y. Ranga , L. Matekovits , Karu P. Esselle and Andrew R. Weily , "Enhanced Gain UWB Slot Antenna with Multilayer Frequency- Selective Surface Reflector," Antenna Technology (iWAT), 7-9 March 2011, pp. 176-179