IEEE

Communication-Efficient Federated Learning for LEO Constellations Integrated With HAPs Using Hybrid NOMA-OFDM

Abstract: Space AI has become increasingly important and sometimes even necessary for government, businesses, and society. An active research topic under this mission is integrating federated learning ...
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Starwatch: Great summer stars take center stage in July

One of the great ironies of the year is the fact that in the heat of the summer in the northern hemisphere, the Earth is much ...

Open cluster NGC 6134 in Norma is 1.38 billion years old and hosts a core, tidal tail and diffuse halo

Indonesian astronomers have conducted a comprehensive study of an open cluster in the constellation Norma, known as NGC 6134. Results of the new study, available in a research paper published June 23 ...
IEEE

Automatic Modulation Classification in Impulsive Noise: Log-Domain 3-D Constellation Diagrams and Multiscale Dual-Convolutional 3DCNN

Abstract: Automatic modulation classification (AMC) is vital in cognitive communication systems. Existing AMC methods are mainly designed for Gaussian noise channels, but research shows that ...