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A dual-band dual-polarized patch antenna is proposed for WiMax and WLAN systems. Impedance bandwidths of 7.5% and 9.6% can be achieved at 3.6 GHz and 5.2 GHz, respectively. The asymmetrical U-slot has been used to generate the orthogonal modes for circular polarization at 3.6 GHz with a 3dB axial ratio bandwidth of 0.7%, and the linear polarization is obtained by cutting a symmetrical U-slot on the...
A compact coplanar waveguide (CPW)-fed patch antenna designed by simply embedding two types of shaped slots into a rectangular patch for achieving dual-band operation is presented. The use of embedded slots can effectively excite multiresonant modes together with good dual-impedance bandwidths, especially ultrawide for the upper bandwidth. By fabricating and measuring the prototype of the proposed...
An analysis of a compact patch antenna with a folded patch feed and shorting wall for wireless local area network (WLAN) applications in IEEE 802.11a/b/g is presented in this paper. The proposed antenna covers both 2.4/5 GHz bands with two resonances that are caused by trapezoidal slot combining with folded-patch. The lower band of the antenna ranges from 2.39 to 2.52 GHz (about 5.14% impedance bandwidth),...
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