Design of CPW-Fed Circularly-Polarized Antenna with Cross Tuning Stub for WLAN/ISM Band Applications
DOI:
https://doi.org/10.26438/ijcse/v6i3.8689Keywords:
Circular Polarization (CP), Coplanar Waveguides (CPW), Wireless Local Area Network (WLAN), Industrial, Scientific and Medical(ISM), Voltage Standing Wave Ratio (VSWR), Axial Ratio (AR)Abstract
A CPW-fed circularly polarized cross tuning stub antenna is presented. Proposed antenna with cross tuning stub has successfully been designed for WLAN (2.4/5.2/5.8 GHz) and ISM (2.4/5.8GHz) bands for frequency range 2.40-2.48/5.15-5.35/5.725-5.82 GHz and 2.40-2.48/5.72-5.78 GHz respectively. The physical dimension of proposed antenna is 50mm (length) ×50mm (width)× 0.88mm(thickness) and printed on a FR-4 substrate(Ɛr = 4.4). The CPW feed is designed for 50 Ωimpedance. The proposed antenna has characterized by measuring the return loss of less than -10 dB, VSWR< 2 dB. The gain of proposed antenna from 3 dB to 5 dB is attained in the desired band with good radiation pattern characteristics and suitable axial ratio of less than 3 dB in prescribed band of operation. This antenna is designed by modifying the rectangular tuning stub to cross tuning stub. The antenna parameters like gain, return loss and bandwidth is improvised to acceptable limit with reasonable radiation pattern by using CST V.17 simulator.
References
Jen-Yea Jan, Chien-Yuan Pan, Kuo-Yung Chiu, and Hua-Ming Chen, “Broadband CPW-Fed Circularly-Polarized Slot Antenna,”IEEE Transaction on Antenna and propagation, Vol. 61, No. 3, pp. 1418-1422, March 2013
B. T. P. Madhav, H. Khan, S. K.Kotamraju, “Circularly polarized slotted aperture antenna with coplanar waveguide fed for broadband applications,”Journal of Engineering Science and Technology Vol. 11, No. 2,pp. 267 -277, 2016
Sandeep Kumar Singh, S. Mukhopadhyay, and R. L. Yadava, “Triple band U-capping slotted microstrip patch antenna using DGS for wireless applications,” International Journal of Microwaves Applications, Vol. 5, No.2, pp. 15 – 18, April 2016.
S. Fu, S. Fang, Z. Wang, and X. Li, “Broadband circularly polarized slot antenna array fed by asymmetric CPW for L-band application,”IEEE Antennas Wireless Propag. Lett., vol. 8, pp. 1014–1016, 2009.
J. Y. Sze, J. C. Wang, and C. C. Chang, “Axial-ratio bandwidth enhancement of asymmetric CPW-fed circularly-polarised square slot antenna,” Electron. Lett, vol. 44, no. 18, pp. 1048–1049, Aug. 2008.
Sandeep Kumar Singh, S. Mukhopadhyay, and R. L. Yadava,, Rahul singh “Miniaturized Dual-Band CPW-Fed Broadband Slot Antenna with Cross Tuning Stub for Wireless Communication Application ,” International Journal of Microwaves Applications, Vol. 6, No.3, pp. 30 – 34, June 2017
S. H. Yeung, K. F. Man, and W. S. Chan, “A bandwidth improved circular polarized slot antenna using a slot composed of multiple circular sectors,” IEEE Trans. Antennas Propag., Vol. 59, no. 8, pp. 3065–3070, Aug. 2011.
J. Y. Sze, K. L. Wong, and C. C. Huang, “Coplanar waveguide-fed square slot antenna for broadband circularly polarized radiation,” IEEE Trans. Antennas Propag., Vol. 51, no. 8, pp. 2141–2144, Aug. 2003
Q. X. Chu and S. Du, “A CPW-fed broadband circularly polarized square slot antenna,” Microw. Opt. Technol. Lett., vol. 52, no. 2, pp. 409–412, Feb. 2010.
T. N. Chang, “Wideband circularly polarised antenna using two linked annular slots,” Electron. Lett., vol. 47, no. 13, pp. 737–739, Jun. 2011
J. Pourahmadazar and S. Mohammadi, “Compact circularly-polarised slot antenna for UWB applications,” Electron. Lett., vol. 47, no. 15, pp. 837–838, Jul. 2011.
J. Y. Jan and C. Y. Hsiang, “Wideband CPW-fed slot antenna for DCS, PCS, 3G and bluetooth bands,” IEE Electron. Lett., vol. 42, pp. 1377–1378, Nov. 2006.
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