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A low-profile CPW-fed broadband antenna for WLAN and RFID applications

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4 Author(s)
Khan, S.A. ; Dept. of Electr. Eng., COMSATS Inst. of Inf. Technol., Islamabad, Pakistan ; Khan, M.S. ; Shafique, M.F. ; Shoaib, I.

This paper presents a novel compact broadband circularly polarized slot antenna fed by a co-planar waveguide (CPW), suitable for use in WLAN and RFID applications. The antenna is only 20 × 24 mm in size. Measured impedance bandwidth (VSWR <; 2) at center frequency of 5.8 GHz is 24% and the 3 dB axial-ratio (AR) bandwidth is 3.1%. The antenna has an omnidirectional radiation pattern with a maximum gain of -0.5 dB.

Published in:

Emerging Technologies (ICET), 2011 7th International Conference on

Date of Conference:

5-6 Sept. 2011