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, ...

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Plug Power, Inc. provides alternative energy technology, which focuses on the design, development, commercialization, and manufacture of hydrogen and fuel cell systems used primarily for the material ...

In today’s connected world, access to technology is central to the way we operate, and it is fundamental to a more accessible future. Through tech innovation, together, we can empower people across ...