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, ...

Main Camera Modules 48 MP, f/1.8, 24mm (wide), 1/1.28", 1.22µm, dual pixel PDAF, sensor-shift OIS 48 MP, f/2.8, 100mm (periscope telephoto), 1/2.55", 0.7µm, PDAF ...

December 17th holds historical importance in India. Key events include Mahatma Gandhi's suspension of the Individual Satyagraha and the launch of the National Football League. The day also ...