Multibeam Pillbox Antenna Integrating Amplitude-Comparison Monopulse Technique in the 24 GHz Band for Tracking Applications

K. Tekkouk 1 M. Ettorre 1 R. Sauleau 1
1 IETR - Institut d'Electronique et de Télécommunications de Rennes
Abstract : An amplitude-comparison monopulse slotted waveguide antenna array with a pillbox parabolic quasi-optical beamforming network is proposed in substrate integrated waveguide (SIW) technology in the 24 GHz band. The beamformer is illuminated by a cluster of horn pairs located in the focal plane of the pillbox reflector. Each horn pair is composed of two H-plane sectorial horns connected to a coupler. In-phase and out-of-phase operations of each horn pair allow radiation of the Σ and Δ beams along the antenna scanning plane (E-plane). At the design frequency of 24.15 GHz, the experimental results demonstrate an antenna field of view of ± 26°, with null depth better than -20 dB for all the measured Δ beams. The antenna gain varies between 21.6 and 20.5 dBi for the Σ beams and the measured input reflection bandwidth is about 2.4% for VSWR < 2. © 1963-2012 IEEE.
Keywords : substrate integrated waveguide (SIW) Antenna array monopulse antenna
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Journal articles
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Submitted on : Wednesday, June 6, 2018 - 11:15:44 AM
Last modification on : Friday, November 16, 2018 - 1:29:32 AM

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UNIV-RENNES1 | IETR | CNRS | UR1-UFR-ISTIC | IETR-BEAMS | UNIV-NANTES | UNIV-RENNES | INSA-GROUPE

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K. Tekkouk, M. Ettorre, R. Sauleau. Multibeam Pillbox Antenna Integrating Amplitude-Comparison Monopulse Technique in the 24 GHz Band for Tracking Applications. IEEE Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers, 2018, 66 (5), pp.2616-2621. ⟨10.1109/TAP.2018.2809694⟩. ⟨hal-01808900⟩

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