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aperture-shared Radiation Surface:A Promising Technique for Multifunctional Antenna array Development

Electromagnetic Science 2023年第3期1卷 68-87页

作者： Amirhossein Askarian Ke Wu Poly-Grames Research Center and Department of Electrical Engineering Polytechnique MontrealQC H3T1J4Canada

In the development of a multifunctional and multi-standard analog frontend module in emerging and future wireless systems,multifunction antenna array is an indispensable *** this end,the aperture-shared technique has come of age,and demonstrated significant advantages in the cost-effective design of efficient,compact,multiband,multibeam,and polarization-diversified antenna arrays,particularly with high frequency *** this paper,various antenna topologies and surface architectures based on this technique,which have been proposed and developed thus far for a wide variety of applications,are reviewed,examined,and categorized to highlight the nature of electromagnetic aperture-shared schemes and ***,we briefly discuss future research directions in this context for multifunction millimeter-wave and terahertz wireless systems development.

关键词： aperture-shared array Multiband antenna array Electromagnetic radiation surface Polarization-diversified antenna array Multifunctional antenna array

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Frequency-Diversified Space-Efficient Radiating Surface Using Convolved Electric and Magnetic Currents for Highly Dense Multiband Antenna-Frontend Integration

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Electromagnetic Science 2024年第1期2卷 63-76页

作者： Amirhossein Askarian Pascal Burasa Ke Wu Department of Electrical Engineering Poly-Grames Research CenterPolytechnique MontrealQC H3T1J4Canada

We propose and investigate a methodology based on convolved electric and magnetic currents for the generation of multi-band responses over a space-shared radiating ***,a single wideband antenna operation principle based on inter-leaved dipole and slot modes is studied and analyzed using full-wave simulations followed by a qualitative time domain ***,a 2×2 dual-band radiating unit is conceived and developed by closely arranging single wideband *** this case,multimode resonances are generated in a lower frequency band by a proper convolving and coupling of the magnetic and electric currents realized in the gaps between the antennas and on the surface of the antennas,*** methodology can be deployed repeatedly to build up a self-scalable topology by reusing the electromagnetically(EM)connected radiating surfaces and gaps be-tween the radiating *** to the efficient reuse of the electromagnetic region for the development of multiband radiation,a high aperture-reuse efficiency is ***,as a proof of concept,a 2×4 dual-band array operating in Ku-and Ka-bands is devel-oped and fabricated by a linear arrangement of the two developed radiating *** measurement results show that the proposed antenna array provides impedance and gain bandwidths of 30%and 25.4%in the Ku-band and 10.65%and 8.52%in the Ka-band,respectively.

关键词： aperture-shared array aperture-reused efficiency Antenna-frontend integration Dual-band antenna Magneto-electric dipole antenna Multi-mode resonance Multi-band array Multi-functional antenna Wideband antenna array

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