NOMA (Non-Orthogonal Multiple Access) is a non-orthogonal access technique that can increase spectral efficiency and considered candidate technology for 5G. NOMA-OFDM combines the of with OFDM, which widely used due to several advantages such as its high efficiency. Channel estimation an essential process in system, so this paper channel scheme preamble downlink proposed considering multipath L...

Complex Information for Anesthesiologists Presented Quickly and Clearlyns, nanosecond.Infographic created by Holly B. Ende, Vanderbilt University Medical Center; James P. Rathmell, Brigham Women’s Health Care/Harvard School; Jonathan Wanderer, Center. Illustration Annemarie Johnson, Vivo Visuals Studio. Address correspondence to Dr. Ende: [email protected].

Terahertz propagation inside human body tissues suffers from a low achievable capacity, which drastically limits the usefulness of in vivo nanoscale networks. In this article, virtual massive multiple-input multiple-output (m-MIMO) array architecture constructed by cooperative and opportunistic action distributed nano nodes to form cluster is introduced for first time communications. Moreover, ...

We give a bit thread prescription that is equivalent to the quantum extremal surface for holographic entanglement entropy. Our proposal inspired by considerations of threads in doubly models, and equivalence established proving generalisation Riemannian max-flow min-cut theorem. explore our proposal’s properties discuss ways which islands spacetime are emergent phenomena from perspective.

Abstract Polycrystalline diamond compact (PDC) bit has occupied more than 90% of the total drilling footage in world. Forensic analysis dull PDC bits is an important research field that can investigate multiple factors and then find main failure cause. The findings forensic not only guide selection placement next but also promote advancement bits. In this study, pulled out hole was photographed...