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2012-09-11

Compact Dual-Band Printed Diversity Antenna for WiMAX /WLAN Applications

By Ling Xiong and Peng Gao
Progress In Electromagnetics Research C, Vol. 32, 151-165, 2012
doi:10.2528/PIERC12063001

Abstract

A compact dual-band multiple-input-multiple-output (MIMO)/diversity antenna is proposed. This antenna is designed for 2.4/5.2/5.8 GHz WLAN and 2.5/3.5/5.5 GHz WiMAX applications in portable mobile devices. It consists of two back-to-back monopole antennas connected with a T-shaped stub, where two rectangular slots are cut from the ground, which significantly reduces the mutual coupling between the two ports at the lower frequency band. The volume of this antenna is 40 mm * 30 mm * 1 mm including the ground plane. Measured results show the isolation is better than -20 dB at the lower frequency band from 2.39 to 3.75 GHz and -25 dB at the higher frequency band from 5.03 to 7 GHz, respectively. Moreover, acceptable radiation patterns, antenna gain, and envelope correlation coefficient are obtained. These characteristics indicate that the proposed antenna is suitable for some portable MIMO/diversity equipments.

Citation


Ling Xiong and Peng Gao, "Compact Dual-Band Printed Diversity Antenna for WiMAX /WLAN Applications," Progress In Electromagnetics Research C, Vol. 32, 151-165, 2012.
doi:10.2528/PIERC12063001
http://jpier.org/PIERC/pier.php?paper=12063001

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