Journal
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Volume 18, Issue 1, Pages 108-112Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2018.2882525
Keywords
Beam sweeping; beam switching; frequency-selective surface (FSS); radiation pattern
Funding
- National Science Foundation of China [61771295, 61172045]
- Natural Science Foundation of Shanxi Province [2015011042]
- Fund for Shanxi 1331 Project Key Subjects Construction [1331KSC]
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A beam-sweeping antenna utilizing a novel active frequency-selective surface (FSS) is developed in this letter. It is comprised of a simple dipole and a cylindrical FSS formed by six columns of unit cells. The dipole used as a radiating source is situated at the center of the cylindrical FSS. The radiation pattern of the antenna could be reconfigured by controlling the states of the PIN diodes in the FSS. The dimension of the whole antenna is 0.75 lambda(g) x 0.75 lambda(g) x 1.57 lambda(g) (lambda(g) is the guided wavelength at its resonant frequency). Experimental results demonstrate that the presented beam-steering antenna can operate at 2.45 GHz and the main beam can be swept across the whole azimuth plane with a peak gain of 8.15 dBi.
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