Cloud computing: Cloud resources Cloud as a service Cloud applications Blockchain system Cloud management and operation Cloud middleware framework Cloud quality and performance Cloud security and privacy Large-scale cloud applications Cloud optimization and automation Cloud application architecture Communication: Optical communication High-speed network Communication software Green communication Mobile communication Communication theory Communication system Data communication Ultra-wideband communication Multimedia communication Intelligent computing application Network engineering and security Wireless communication and technology Ubiquitous network Neural Network: Optimization Combination Knowledge Engineering Artificial Intelligence Human-computer interaction Deep Learning Signal processing Information extraction Robot control Deep Neural Network Convolutional Neural Network Generative Adversarial Network Recurrent Neural Network [The research fields include but are not limited to the above topics]