Although the tube theory is successful in describing entangled polymers qualitatively, a more quantitative description requires precise and consistent definitions of its parameters. Here we ...

Subarraying techniques are promising for achieving performance and cost trade-offs in the design of a hybrid analog-digital array. However, previous approaches have paid little attention to the ...

This paper proposes a channel estimation method for wideband hybrid multiple-input-multiple-output (MIMO) systems operating in high-frequency bands, including millimeterwave (mmWave) and sub-terahertz ...