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Switchless Reconfigurable Antenna with 360° Steering

 
: Narbudowicz, A.; Ammann, M.J.; Heberling, D.

:

IEEE antennas and wireless propagation letters 15 (2016), S.1689-1692
ISSN: 1536-1225
Englisch
Zeitschriftenaufsatz
Fraunhofer FHR ()

Abstract
A novel reconfigurable antenna capable of rotating a bidirectional pattern by 360° in azimuth is proposed. The antenna has two ports, no aperture switching components, and offers a more compact solution than an array. It provides a reconfigurable pattern in the band 2.525-2.595 GHz and a fixed omnidirectional pattern from 2.235 to 2.725 GHz. The measured gains for four investigated configurations are between 2.1 and 3.1 dBi with total efficiencies between 80% and 89%. The antenna is intended to operate with software defined radio [digital beamforming or multiple-input-multiple-output (MIMO)], where the potential of pattern generation using the dual-port antenna can be fully exploited. It offers multiuser pattern reconfiguration at low cost within a limited volume.

: http://publica.fraunhofer.de/dokumente/N-633870.html