Vol. 90

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2019-02-28

A Wide-Beam Base Station Antenna with Modular Radiator for Reconfigurability

By Joshua W. Shehan and Ryan S. Adams
Progress In Electromagnetics Research C, Vol. 90, 125-138, 2019
doi:10.2528/PIERC18111401

Abstract

This paper presents a reconfigurable, wide-beam antenna with a modular main radiator for base station applications. The addition of new spectrum and the path to 5G create unique antenna requirements in terms of patterns and impedance matching capabilities. The antenna in this paper exhibits a wide azimuth beamwidth up to approximately 180o, and implements a modular approach where the antenna can be recon gured for impedance matching requirements. Two con gurations of the wide-beam antenna are presented; the rst con guration covers the 1.7-2.7 GHz band for 3G/4G/LTE applications where multiple wireless carriers would use the same antenna as a neutral site. This antenna provides wide-beam operation and a 10-dB return loss from approximately 1.64-2.76 GHz. The measured return loss over the 1.7-2.7 GHz band is better than 13 dB. A second con guration of the antenna is tuned for performance from 1.9-2.4 GHz where measured return loss better than 19 dB is achieved in this band. Simulated and measured return losses and patterns are presented that show very good agreement between simulation and measurement, and thorough parametric pattern analysis is presented for the baseline antenna configuration.

Citation


Joshua W. Shehan and Ryan S. Adams, "A Wide-Beam Base Station Antenna with Modular Radiator for Reconfigurability," Progress In Electromagnetics Research C, Vol. 90, 125-138, 2019.
doi:10.2528/PIERC18111401
http://jpier.org/PIERC/pier.php?paper=18111401

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