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Wideband and Large Coverage Continuous Beam Steering Antenna in the 60-GHz Band

Abstract : A wideband and continuous beam steering flat antenna is proposed in the 60-GHz band. The antenna consists of two layers and is made of two parts: 1) a feeding network and 2) a slotted plate. The relative rotation movement between the two antenna parts generates a phase gradient across the radiating part, and a continuous beam is generated in the upper hemisphere. The mechanical movement between the two antenna parts is facilitated by the use of gap waveguides; therefore, no electrical contact is needed between the two metallic parts. To validate the antenna concept, an antenna has been designed and fabricated in the 60-GHz band. Good agreement has been obtained between the simulations and the measurements. The antenna field of view is up to +/- 60 degrees. The antenna bandwidth is up to 13% for VSWR <2. The loss within the antenna structure is estimated to be around 0.86 dB.
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Submitted on : Tuesday, October 24, 2017 - 9:21:14 AM
Last modification on : Tuesday, October 6, 2020 - 3:09:55 AM

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Karim Tekkouk, Jiro Hirokawa, Ronan Sauleau, Makoto Ando. Wideband and Large Coverage Continuous Beam Steering Antenna in the 60-GHz Band. IEEE Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers, 2017, 65 (9), pp.4418-4426. ⟨10.1109/TAP.2017.2723663⟩. ⟨hal-01622062⟩

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