Research on a Millimeter-Wave Phased Array With Wide-Angle Scanning Performance

In order to extend the scanning range of a phased array and maintain the scanning gain flatness, a novel millimeter-wave phased array with four linearly-arranged pattern reconfigurable elements is presented in this communication. The phased array has been designed, fabricated, measured and analyzed....

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2013-10, Vol.61 (10), p.5319-5324
Main Authors: XIAO DING, WANG, Bing-Zhong, HE, Guo-Qiang
Format: Article
Language:English
Subjects:
Antenna measurements
Antenna radiation patterns
Antennas
Applied sciences
Arrays
Connectors
Exact sciences and technology
Fluctuations
Genetic algorithms
pattern reconfigurable antenna
phased array
Phased arrays
Radiocommunications
Telecommunications
Telecommunications and information theory
wide-angle scanning
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Summary:In order to extend the scanning range of a phased array and maintain the scanning gain flatness, a novel millimeter-wave phased array with four linearly-arranged pattern reconfigurable elements is presented in this communication. The phased array has been designed, fabricated, measured and analyzed. The active patterns of each reconfigurable element are measured at different reconfigurable modes and the pattern scanning performance of the phased array is synthesized by using these active patterns. Furthermore, a genetic algorithm is used to lower the level of side lobes of the proposed phased array. The results show that the phased array can scan its main lobe from -75° to +75° in the elevation plane with a gain fluctuation less than 3 dB.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2013.2275247