Webb21 mars 2024 · A compact, low-profile, two-port dual-band circularly polarized (CP) stacked patch antenna for radio-frequency identification (RFID) multiple-input-multiple-output (MIMO) readers is proposed, which employs the shared-aperture technique. The proposed antenna adopts a 1.524 mm thickness Rogers Ro4350b substrate with relative … Webb5 mars 2024 · A miniaturized dual-band dual-polarization base station antenna array operating at 2.4–2.8 and 4.6–5.0 GHz is proposed in this paper. The upper-band unit is …

Design of a shared-aperture dual-band dual-polarized microstrip …

Webb19 nov. 2015 · This paper presents a new approach to implement planar shared-aperture dual-band dual-circular polarization (CP) array antennas. The antennas can be … Webb21 okt. 2024 · A dual-fed dual-frequency shared-aperture antenna array with a large frequency ratio is investigated. Its unit cell consists of a microwave ground-surrounded patch antenna and a millimeter-wave substrate-integrated 2×2 slot antenna subarray. how many employees work at abes airdrie

Compact Shared-Aperture Dual-Band Dual-Polarized Array Using …

Webb1 sep. 2011 · This paper presents the development of a novel Shared Aperture Dual Band Printed Antenna. The antenna is a planar monopulse printed antenna that integrate in … WebbThis paper presents a novel tri-band antenna with dual polarizations and shared aperture. The proposed antenna operates at L-, S-, and X-bands with an approximate frequency ratio of 1:1.9:5.5. Three types of radiation elements resonating at different frequencies, including the square microstrip patch, microstrip dipole, and printed monopole, are interlaced in … WebbIn this paper, we present a novel antenna design for a shared aperture dual-band array, comprising interleaved printed folded dipoles resonant at octave-separated frequency bands (1 and 2 GHz), with individual feeds for each element. Similar to the design in [3], we enforce geometrical symmetry in the array how many employees usgs