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A reconfigurable slot antenna with switchable polarization

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3 Author(s)
M. K. Fries ; Lab. for Electromagn. Fields & Microwave Electron., Swiss Fed. Inst. of Technol., Zurich, Switzerland ; M. Grani ; R. Vahldieck

A novel reconfigurable slot antenna architecture allowing polarization switching is presented. The antenna shape consists of a slot-ring with perturbations which are switched on and off using pin-diodes. Two antennas allowing switching either between linear and circular polarization or between two circular polarizations are demonstrated. The antenna architecture is interesting for commercial wireless applications because it is compatible with modern fabrication processes and can be realized on low cost dielectric materials.

Published in:

IEEE Microwave and Wireless Components Letters  (Volume:13 ,  Issue: 11 )