Vol. 43

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2013-09-04

A Compact Omnidirectional Dual-Polarized Antenna for 2.4-GHz WLAN Applications with Highly Isolated Orthogonal Slots

By Ying Liu, Jinyang Xue, Yu Cao, and Shu-Xi Gong
Progress In Electromagnetics Research C, Vol. 43, 135-149, 2013
doi:10.2528/PIERC13072405

Abstract

An omnidirectional dual-polarized slot antenna with high port isolation for 2.4-GHz wireless local area network (WLAN) applications is proposed in this paper. The omnidirectional radiation patterns of the vertical polarization (VP) and horizontal polarization (HP) are achieved by individually cutting two orthogonal slots onto the metal walls of a cuboid antenna. The overall volume of the compact antenna is only 60 × 10 × 10 mm3 (0.488λ0 × 0.081λ0 × 0.081λ0 ). A prototype of the designed antenna is manufactured and tested. Both simulated and measured results show that the -10 dB impedance bandwidths of dual polarizations cover the desired band of 2.4-2.484 GHz and the port isolation, in the operating frequency, is less than -35 dB. Stable measured gains are greater than 2.75 and 1.35 dBi for the VP and HP, respectively.

Citation


Ying Liu, Jinyang Xue, Yu Cao, and Shu-Xi Gong, "A Compact Omnidirectional Dual-Polarized Antenna for 2.4-GHz WLAN Applications with Highly Isolated Orthogonal Slots," Progress In Electromagnetics Research C, Vol. 43, 135-149, 2013.
doi:10.2528/PIERC13072405
http://jpier.org/PIERC/pier.php?paper=13072405

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