Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Thomas J Catalano is a CFP and Registered Investment Adviser with the state of ...

Abstract: In this paper, a slider type mechanical ventilator system using Ambu bag for emergency breathing assistance device was proposed and evaluated. A new type coronavirus infection occurred in ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Kit Dillon Kit Dillon is a writer focused on bags and travel gear. He has worked for ...