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- Massachusetts Institute of TechnologyUS27 papers
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4 papers · 1 filter
A Lower Lower-Critical Spin-Glass Dimension from Quenched Mixed-Spatial-Dimensional Spin Glasses
Bora Atalay, A. Nihat Berker
By quenched-randomly mixing local units of different spatial dimensionalities, we have studied Ising spin-glass systems on hierarchical lattices continuously in dimensionalities 1…
Relay-Aided Secure Broadcasting for Visible Light Communications
Ahmed Arafa, Erdal Panayirci, H. Vincent Poor
A visible light communication broadcast channel is considered, in which a transmitter luminaire communicates with two legitimate receivers in the presence of an external eavesdropp…
Channel Estimation for Visible Light Communications Using Neural Networks
Anil Yesilkaya, Onur Karatalay, Arif Selcuk Ogrenci +1
Visible light communications (VLC) is an emerging field in technology and research. Estimating the channel taps is a major requirement for designing reliable communication systems.…
Maximally Random Discrete-Spin Systems with Symmetric and Asymmetric Interactions and Maximally Degenerate Ordering
Bora Atalay, A. Nihat Berker
Discrete-spin systems with maximally random nearest-neighbor interactions that can be symmetric or asymmetric, ferromagnetic or antiferromagnetic, including off-diagonal disorder,…