An omnidirectional cylindrical DRA with a cone ground for WLAN applications

Liu, Taolin; Yang, Hu; Gu, Lei; Zhao, Fei; Yin, Wenlu

doi:10.1109/iaeac.2015.7428586

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2016

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“…Due to possessing many advantages, such as wideband, compact size, ease of excitation, multiple modes with respective radiation patterns and high radiation efficiency [5], DRAs have been widely applied to wireless communication systems. In order to realize an omnidirectional radiation in the horizontal plane, the TM 01δ mode of a cylindrical DRA is excited.…”

Section: Introductionmentioning

confidence: 99%

A Wideband Omnidirectional Dielectric Resonator Antenna Array

Liu¹,

Hu²,

Gu³

et al. 2016

Proceedings of the 2016 6th International Conference on Advanced Design and Manufacturing Engineering (ICADME 2016)

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Abstract. A wideband omnidirectional dielectric resonator antenna (DRA) array has been proposed. The simulated results show that the return loss of the DRA array is less than -10dB in the frequency band of 1.61dB-2.92dB (57.8%), which can cover the 2G/3G/LTE bands simultaneously. In order to reduce the deterioration of the omnidirectionality of the DRA array, a new means to arrange the feeding coaxial cable is proposed. Based on this means, a wideband DRA array with a good omnidirectionality is designed, whose gain variation ranges from 0.11dB to 0.83dB over the operating band of 1.61GHz-2.92GHz. Besides, the maximum and minimum gain in the horizontal plane are 5.41dBi (at 2.73GHz) and 3.25dBi (at 1.61GHz), respectively. The proposed antenna in this article can be a good alternative in wireless communication systems.

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Section: Introductionmentioning

confidence: 99%