• Publications
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Coding metamaterials, digital metamaterials and programmable metamaterials
TLDR
The researchers developed digital metamaterials consisting of two kinds of unit cells whose different phase responses allow them to act as ‘0’ and ‘1’ bits. Expand
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Broadband and high-efficiency conversion from guided waves to spoof surface plasmon polaritons
The conversion from spatial propagating waves to surface plasmon polaritons (SPPs) has been well studied, and shown to be very efficient by using gradient-index metasurfaces. However, feedingExpand
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A FAFFA-MLFMA algorithm for electromagnetic scattering
Based on the multilevel fast multipole algorithm (MLFMA), an efficient method is proposed to accelerate the solution of the combined field integral equation in electromagnetic scattering andExpand
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Wireless Communications With Reconfigurable Intelligent Surface: Path Loss Modeling and Experimental Measurement
  • Wankai Tang, M. Chen, +7 authors T. Cui
  • Computer Science, Engineering
  • IEEE Transactions on Wireless Communications
  • 13 November 2019
TLDR
In this article, free-space path loss models for RIS-assisted wireless communications are developed for different scenarios by studying the physics and electromagnetic nature of RISs. Expand
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Magnetic field integral equation at very low frequencies
It is known that there is a low-frequency breakdown problem when the method of moments (MOM) with Rao-Wilton-Glisson (RWG) basis is used in the electric field integral equation (EFIE); it can beExpand
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Conformal surface plasmons propagating on ultrathin and flexible films
Surface plasmon polaritons (SPPs) are localized surface electromagnetic waves that propagate along the interface between a metal and a dielectric. Owing to their inherent subwavelength confinement,Expand
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An Optimizable Circuit Structure for High-Efficiency Wireless Power Transfer
TLDR
The proposed mixed-resonant coupling model has showed an excellent performance in WPT, making a further step for the magnetically coupled resonant structures toward practical applications. Expand
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Space-time-coding digital metasurfaces
TLDR
We propose a general theory of space-time modulated digital coding metasurfaces to obtain simultaneous manipulations of EM waves in both space and frequency domains, i.e., to control the propagation direction and harmonic power distribution simultaneously. Expand
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Investigations on the propagation characteristics of the substrate integrated waveguide based on the method of lines
A rigorous full-wave approach based on the method of lines (MoL) is presented to analyse the propagation characteristics of substrate integrated waveguides (SIWs), in which a generalised matrixExpand
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Metamaterials: Theory, Design, and Applications
Metamaterials:Theory, Design, and Applications goes beyond left-handed materials (LHM) or negative index materials (NIM) and focuses on recent research activity. Included here is an introduction toExpand
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