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Two types of antenna lens antenna, namely, a planar dual-layered transmit-array antenna and a plano-convex lens antenna, are developed for 77-GHz automotive radar systems. Both the antennas are excited by four substrate-integrated-waveguide (SIW) slot antennas as the primary feeds. The SIW feeding slot antennas are linearly positioned with identical spacing and shifted their positions accordingly...
A 77-GHz four-beam plano-convex lens antenna with SIW slot feed for automotive radar is presented. The primary feed consists of four substrate integrated waveguide (SIW) slots which are designed with complete routing and SIW to grounded co-planar waveguide (GCPW) transition. The transition is designed for the integration with a 3D embedded wafer level ball grid array (eWLB) module as well as for onwafer...
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