Introduction.- Massive Access with Full Channel State Information.- Massive Access with Channel Quantization Codebook.- Massive Access with Channel Reciprocity.- Massive Access with Channel Statistical Information.- Summary.

Xiaoming Chen is a professor with the College of Information Science and Electronic Engineering, Zhejiang University, China. His research interests are in the areas of wireless communication and signal processing, mainly including fifth-generation (5G) key techniques, IoT theory and technique, and machine learning in communications. Prof. Chen has published more than 100 referred papers in IEEE Journals and conferences. He is serving as an Editor of IEEE Transactions on Communications and IEEE Communications Letters.