Familiarity has dulled our amazement. We know about the water becoming wine, Christ striding on the waves, the blind soaking in new light, the wind obeying, and even Lazarus living again. Compared to ...

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, these ...

Describes the nature of a clinical study. Types include: Observational study — observes people and measures outcomes without affecting results. Interventional study (clinical trial) — studies new ...