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This paper presents a compact dual-port dual-frequency planar shared-aperture antenna with large frequency ratio. It consists of a microwave magneto-electric (ME) dipole antenna and a millimeter-wave parallel-plate resonator antenna (PPRA). It has two vertical conducting walls that form an upper-band parallel-plate resonator and meanwhile provide a magnetic source to the lower-band ME dipole. The design is a shared-aperture structure and is therefore very compact. For demonstration, a dual-frequency antenna simultaneously covering the 5.9-GHz vehicle-to-vehicle (V2V) band (5.855-5.925 GHz) and the 28-GHz 5G band (27.5-28.35 GHz) was designed, fabricated, and measured. Good agreement between the measured and simulated results was found. The lower and upper bands have the measured 10-dB impedance bandwidths of 41.6% (5.30-8.08 GHz) and 6.66% (27.15-29.02 GHz), and measured peak antenna gains of 5.80 dBi and 8.46 dBi, respectively. The antenna can be used on vehicular platforms for providing V2V communications and 5G millimeter-wave connections simultaneously.
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Sun et al. (Thu,) studied this question.
synapsesocial.com/papers/6a01f36af58f6e6cfdd8cde3 — DOI: https://doi.org/10.1109/tvt.2021.3070353
Yu‐Xiang Sun
Shenzhen University
Kwok Wa Leung
Sun Yat-sen University
Kai Lu
Sun Yat-sen University
IEEE Transactions on Vehicular Technology
Sun Yat-sen University
City University of Hong Kong
Southeast University
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