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, ...

The city of Vancouver and the Vancouver Whitecaps announced they have signed a memorandum of understanding (MOU) on the potential development on a new stadium and entertainment district. The MOU, ...

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Trump rejected Maduro's requests for amnesty, sanction removal, sources say Maduro's safe passage offer expired, prompting US airspace closure, sources say Maduro proposed Delcy Rodriguez lead interim ...