W-Band Planar Wide-Angle Scanning Antenna Architecture
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This paper proposes a hybrid scanning antenna architecture for applications in mm-wave intelligent mobile sensing and communications. We experimentally demonstrate suitable W-band leaky-wave antenna prototypes in substrate integrated waveguide (SIW) technology. Three SIW antennas have been designed that within a 6.5 % fractional bandwidth provide beam scanning over three adjacent angular sectors. Prototypes have been fabricated and their performance has been experimentally evaluated. The measured radiation patterns have shown three frequency scanning beams covering angles from 11 to 56 degrees with beamwidth of 10 ± 3 degrees within the 88-94 GHz frequency range.
KeywordsMillimeter-wave mobile sensing and communications W-band antennas Leaky wave antennas
The work was partly supported by the FP7 GigaRadio Marie Curie project (IAPP/2008/230652) and the Leverhulme Trust Research Project Grant F/00 203/U-Phase Conjugate Wireless Communication. The authors appreciate assistance of Mr Jim Francey of OptiPrint AG with manufacturing of the antennas and advice on TaclamPLUS material properties by Mr Manfred Huschka of Taconic ADD.
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