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, ...
Ask the publishers to restore access to 500,000+ books. A line drawing of the Internet Archive headquarters building façade. An illustration of a heart shape "Donate to the archive" An illustration of ...
In today’s economy, enterprise resource planning (ERP) systems have evolved far beyond traditional back-office functions. They are now strategic drivers of growth, agility, and resilience. Modern ...
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