Columbia University School of Professional Studies

Columbia University’s Technology Management Program Welcomes Two Women Tech Industry Luminaries to Faculty Roster

IBM fellow Dr. Francesca Rossi and cybersecurity and defense tech leader Kathy Cage join the program as lecturers in the ...

Top Trends Shaping Enterprise IT Infrastructure and Operations in 2026

Enterprise IT Infrastructure and Operations (I&O) teams are entering 2026 facing a fundamental shift in expectations. The ...
IEEE

Performance Analysis and Optimization of STAR-RIS-Aided Cell-Free Massive MIMO Systems Relying on Imperfect Hardware

Abstract: Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-aided cell-free massive multiple-input multiple-output (CF-mMIMO) systems are investigated under ...
IEEE

Robust Design of Aerial Reconfigurable Intelligent Surface-Enabled URLLC Systems With Hardware Impairments

Abstract: Ultra-Reliable Low-Latency Communication (URLLC) has imposed significant challenges on the Internet of Things (IoT) networks due to its stringent Quality of Service (QoS) requirements, ...
Microsoft

Operating systems (OS) explained

Imagine turning on your PC and…nothing happens. No desktop, no icons, no apps. That’s what life would look like without an operating system (OS), the invisible star of every computer. An operating ...