@article{ CUI Chun-feng:1,
author = {[ CUI Chun-feng,  HAN Shuang-feng,  WANG Sen,  WANG Ya-feng, YI Zhi-ling]},
title = {From 5G to 6G: Requirements, Challenges and Technical Trends},
publisher = {Journal of Beijing University of Posts and Telecommunications},
year = {2020},
journal = {Journal of Beijing University of Posts and Telecommunications},
volume = {43},
number = {2},
eid = {1},
pages = {1-9},
keywords = {the 6th generation of mobile communications system;visions and requirements;key performance indicators},
doi = https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2020-024
}