Robust receive beamforming and reflection coefficients optimization in an IRS‐aided decode‐and‐forward relay system
Sign Up to like & getrecommendations! Published in 2024 at "Electronics Letters"
DOI: 10.1049/ell2.13087
Abstract: Consider a decode‐and‐forward wireless relay system assisted by an intelligent reflection surface (IRS), where a robust design on receive beamforming at the relay and reflection coefficients at the IRS is studied. The worst‐case signal‐to‐noise ratio… read more here.
Keywords: relay system; decode forward; reflection coefficients; reflection ... See more keywords
A physics-based machine learning approach for modeling the complex reflection coefficients of metal nanowires
Sign Up to like & getrecommendations! Published in 2022 at "Nanotechnology"
DOI: 10.1088/1361-6528/ac512e
Abstract: Metal nanowires are attractive building blocks for next-generation plasmonic devices with high performance and compact footprint. The complex reflection coefficients of the plasmonic waveguides are crucial for estimation of the resonating, lasing, or sensing performance.… read more here.
Keywords: complex reflection; reflection coefficients; physics; approach ... See more keywords
Andreev reflection in topological nodal-line semimetals superconductor junction
Sign Up to like & getrecommendations! Published in 2024 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ad8958
Abstract: Andreev reflection is an important quantum tunneling phenomenon in the conductor-superconductor junction. The Andreev reflection coefficients TAR of a hybrid system with s-wave superconductor connected by topological nodal-line semimetals (TNLSMs-SC junction system) is calculated theoretically… read more here.
Keywords: andreev reflection; system; energy; reflection coefficients ... See more keywords
Reflection Coefficients Inversion Based on the Bidirectional Long Short-Term Memory Network
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3216275
Abstract: Improving the vertical resolution of seismic data to satisfy the demands for detailed characterization of reservoirs is an important part of seismic data processing. The sparse spike inversion (SSI) technique greatly enhances the seismic resolution… read more here.
Keywords: network; inversion; reflection coefficients; resolution ... See more keywords
IRS Element Grouping With Element-Wise Reflection Coefficients
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2023.3324693
Abstract: To reduce the overheads of channel estimation and beamforming caused by a large number of intelligent reflecting surface (IRS) elements, a strategy of grouping the IRS elements, in which the same reflection coefficient is shared… read more here.
Keywords: irs element; irs elements; reflection coefficients; reflection ... See more keywords
Joint Optimization of Decoding Order, Power Allocation and Reflection Coefficients in an IRS Assisted Untrusted Secure NOMA
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2025.3531969
Abstract: This letter studies a non-orthogonal multiple access (NOMA) based downlink secure communication system in the presence of an intelligent reflecting surface (IRS). More specifically, we look at the joint optimization of decoding order, power and… read more here.
Keywords: decoding order; order power; reflection coefficients; power ... See more keywords
Learning-Based Adaptive IRS Control with Limited Feedback Codebooks
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2022.3178055
Abstract: Intelligent reflecting surfaces (IRS) consist of configurable meta-atoms, which can change the wireless propagation environment through design of their reflection coefficients. We consider a practical setting where (i) the IRS reflection coefficients are configured by… read more here.
Keywords: limited feedback; irs control; control; reflection coefficients ... See more keywords
RIS Assisted Radar-Communication Coexistence System With Discrete Reflection Coefficients
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2025.3527454
Abstract: The advent of reconfigurable intelligent surfaces (RIS) introduces a novel paradigm to address mutual interference issues within radar-communication coexistence (RCC) systems. However, the predominantly discrete reflection coefficients (DRC) of most real-world RISs pose new challenges… read more here.
Keywords: communication coexistence; radar; radar communication; reflection coefficients ... See more keywords
Intrinsic thermoacoustic modes and their interplay with acoustic modes in a Rijke burner
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Spray and Combustion Dynamics"
DOI: 10.1177/1756827718782884
Abstract: The interplays between acoustic and intrinsic modes in a model of a Rijke burner are revealed and their influence on the prediction of thermoacoustic instabilities is demonstrated. To this end, the system is examined for… read more here.
Keywords: thermoacoustic modes; rijke burner; acoustic modes; reflection coefficients ... See more keywords
Approximate reflection coefficients for a thin VTI layer
Sign Up to like & getrecommendations! Published in 2018 at "Computers and Composition"
DOI: 10.1190/geo2016-0638.1
Abstract: ABSTRACTWe have developed an approximate method to derive simple expressions for the reflection coefficients of P- and SV-waves for a thin transversely isotropic layer with a vertical symmetry axis (VTI) embedded in a homogeneous VTI… read more here.
Keywords: approximate reflection; coefficients thin; reflection coefficients; thin vti ... See more keywords