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, ...

Abstract: To overcome the travelling difficulty for the visually impaired group, this paper presents a novel ETA (Electronic Travel Aids)-smart guiding device in the shape of a pair of eyeglasses for ...

Background: PHD2-haplodeficient macrophages (MØs) are promising candidates for the treatment of ischemia-related conditions due to their capacity to modulate the ischemic microenvironment. However, ...

Incredibly, a few years ago, camera drones were little more than novelty toys for gadget-heads; now they’re a creative tool few photographers or filmmakers want to go without. There are choices for ...

Before build a RPM package, run sudo apt install rpm. Before build a pacman package on Ubuntu, run sudo apt install libarchive-tools.