In this paper, an on-chip dielectric resonator (DR)-fed millimeter-wave high-gain antenna system with in-antenna power combining capability is presented. A low-profile resonant cavity antenna (RCA) is fed by four spherical DRs, demonstrating its multi-feed capabilities. Each of the DR is fed by two microstrip resonators on a planar circuit board. The design incorporates a printed superstrate as a partially reflecting superstrate (PRS), reducing the antenna's overall size and profile and enhancing the directivity. The antenna exhibits a wideband matching and the measured results are in concurrence with the simulations.
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Singh et al. (2024) studied this question.
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