A Wide-Angle Scanning Planar Phased Array with Pattern Reconfigurable Magnetic Current Element

Xiao Ding, You-Feng Cheng, Wei Shao, Hua Li, Bing-Zhong Wang, Dimitrios Anagnostou

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A wide-angle scanning planar phased array with magnetic current elements is proposed. A pattern reconfigurable technique is used to design the element that enhances scanning gain and decreases the sidelobe level throughout the entire scanning range. The array is comprised of eight elements in a 2×4 arrangement with uniform spacing. The proposed phased array operates at 5.8 GHz and can scan with 3 dB
beamwidth the entire upper ground elevation plane from −90° to +90° enabled by a two-step pattern reconfigurability mechanism consisting of: 1) coarse-angle scanning and 2) fine-angle scanning. Significant outcomes also include the reduced sidelobe level (less than 7.8 dB) and the
particularly small fluctuation (±0.75 dB) of the gain during scanning over a scanning range of 150° (from −75° to +75° in the elevation plane). With the absence of any structure above the ground level, the high efficiency, and the coverage of the entire upper half-space, this proposed antenna array is very attractive for a variety of phased array applications, particularly those that require a flush-mounted structure.
Original languageEnglish
Pages (from-to)1434-1439
Number of pages6
JournalIEEE Transactions on Antennas and Propagation
Issue number3
Publication statusPublished - 9 Dec 2016


  • Antenna arrays
  • planar phased arrays
  • pattern reconfigurable antennas
  • wide-angle beam scanning


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