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, ...
Unboxing a scratch-art kit and revealing a bright, Valentine-themed design. Enjoy the subtle asmr scratches and vibrant colors. Subscribe for more quick, creative DIYs! #diy #asmr #unboxing ...
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