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, ...

Instead of developing a costly generative model for complex scenarios and multi-class instances in CIOD, we propose using an existing SD model for image-level generative replay for all tasks, ...

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The Relative Niño indices (R-Niño) are the Bureau of Meteorology's operational indices for monitoring the oceanic component of the El Nino-Southern Oscillation. Prior to September 2025, the ...