Compact Tri-Band Meandered Ring Monopole Antenna with Two Embedded Strips for WLAN/WiMAX Applications
2014
A novel coplanar waveguide (CPW)-fed tri-band monopole antenna for WLAN/WiMAX applications is presented. To get a compact antenna size, meandering and coupling technologies are used here. Meanwhile, with the loading method, the higher mode is used to cover the required band. The antenna has a very small size of only 18£28mm 2 . The measured and simulated results show that the proposed antenna has three separate 10-dB impedance bandwidths of 220MHz (2.36{2.58GHz), 470MHz (3.36{3.83GHz) and 1460MHz (4.83{6.29GHz), which can cover all the 2.4/5.2/5.8GHz WLAN and 3.5/5.5GHz WiMAX bands. Good dipole-like radiation characteristics are obtained over the operating bands.
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