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Communication Dans Un Congrès Année : 2004

Compact lens antenna for automobile anticollision radar at 77 GHz

Résumé

We present a 130mm length * 100mm height antenna suitable for automotive radar at 77 GHz that can be included in the bumper. The antenna is simulated with a software developed by France Télécom R&D, SRSRD. The antenna is made of a primary source connected with a WR-10 waveguide feeding a dielectric lens made in Eccostock 0005 of 2.53 dielectric permittivity. The primary source is composed of a small circular horn continued by a circular waveguide and a circular to rectangular (WR-10) waveguide transition. The circular horn is optimized in order to radiate a vertical polarization. The source provides symmetrical radaition in E and H-planes with 16 dBi gain. The gain of the source is higher than in usual lens systems. It can be placed far from the lens reducing its width that implies the diminution of its dielectric losses. The complete antenna has been shielded and achieves 33.5 dBi gain, 2.7° beamwidth and side lobes level of -26 dB in E and H planes.
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Dates et versions

hal-00984155 , version 1 (27-04-2014)

Identifiants

  • HAL Id : hal-00984155 , version 1

Citer

Claire Migliaccio, Jean-Yves Dauvignac, B. D. Nguyen, Christian Pichot, J.-L. Desvilles, et al.. Compact lens antenna for automobile anticollision radar at 77 GHz. Progress in Electromagnetic Research Symposium (PIERS 2004), Mar 2004, Pisa, Italy. 525 (Proceedings) / 529-532 (Extended Papers). ⟨hal-00984155⟩
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