Chenchen ZHANG was born in Fuyang, Anhui, China in 1994. He received his B.S. degree in mathematics from Nankai University, China in 2013, and a PhD degree in computer science and technology from Shanghai Jiao Tong University, China in 2018. Since 2018 he has worked with ZTE Corporation, China. He is now a senior pre-research engineer in non-terrestrial network. His main research interests include satellite communication, random access, mobility management, neural network and NOMA.