The multiport interferometric technology holds significant promise as a versatile transceiver solution for next-generation wireless systems.Considerable progress has been made in exploring and developing this technolo...The multiport interferometric technology holds significant promise as a versatile transceiver solution for next-generation wireless systems.Considerable progress has been made in exploring and developing this technology for RF front-end circuits and systems,including transmitters,receivers,and fully integrated transceivers.Its architecture distinguishes itself through several key advantages,namely,low power requirements for local oscillator(LO),cost-effectiveness,structural simplicity,wideband operation,and appreciable suitability for millimeter-wave(mmW)and terahertz(THz)applications.A particularly compelling feature of this technology is its inherent linear interference-based operation,which allows for a unified circuit topology to be used interchangeably as both a transmitter and a receiver.This versatility makes it an attractive candidate for addressing the growing demand for multifunctional wireless system design.This review article presents a comprehensive overview of the ongoing evolution of multiport interferometric technology.Various architectures are holistically examined through practical examples,with an emphasis on technical attributes,design innovations,and application scenarios.Recent advancements are highlighted,showcasing key research milestones and achievements in the field.The article also outlines future research directions and developmental prospects in the context of emerging wireless applications.As wireless systems increasingly require integrated capabilities—combining communication,sensing,and imaging—the adoption of multiport interferometric technology is poised to play a pivotal role in enabling this convergence.Its continued advancement is expected to drive innovation across a broad spectrum of next-generation wireless platforms.展开更多
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 surface.First,a single wideband antenna operation pri...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 surface.First,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 analysis.Subsequently,a 2×2 dual-band radiating unit is conceived and developed by closely arranging single wideband antennas.In 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,respectively.This 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 units.Due to the efficient reuse of the electromagnetic region for the development of multiband radiation,a high aperture-reuse efficiency is achieved.Finally,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 units.Our 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.展开更多
基金supported by the Natural Sciences and Engineering Research Council of Canada(NSERC)through a Discovery Grant under Grant RGPIN-2024-06870.
文摘The multiport interferometric technology holds significant promise as a versatile transceiver solution for next-generation wireless systems.Considerable progress has been made in exploring and developing this technology for RF front-end circuits and systems,including transmitters,receivers,and fully integrated transceivers.Its architecture distinguishes itself through several key advantages,namely,low power requirements for local oscillator(LO),cost-effectiveness,structural simplicity,wideband operation,and appreciable suitability for millimeter-wave(mmW)and terahertz(THz)applications.A particularly compelling feature of this technology is its inherent linear interference-based operation,which allows for a unified circuit topology to be used interchangeably as both a transmitter and a receiver.This versatility makes it an attractive candidate for addressing the growing demand for multifunctional wireless system design.This review article presents a comprehensive overview of the ongoing evolution of multiport interferometric technology.Various architectures are holistically examined through practical examples,with an emphasis on technical attributes,design innovations,and application scenarios.Recent advancements are highlighted,showcasing key research milestones and achievements in the field.The article also outlines future research directions and developmental prospects in the context of emerging wireless applications.As wireless systems increasingly require integrated capabilities—combining communication,sensing,and imaging—the adoption of multiport interferometric technology is poised to play a pivotal role in enabling this convergence.Its continued advancement is expected to drive innovation across a broad spectrum of next-generation wireless platforms.
文摘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 surface.First,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 analysis.Subsequently,a 2×2 dual-band radiating unit is conceived and developed by closely arranging single wideband antennas.In 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,respectively.This 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 units.Due to the efficient reuse of the electromagnetic region for the development of multiband radiation,a high aperture-reuse efficiency is achieved.Finally,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 units.Our 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.
