TY - Journal of Beijing University of Posts and Telecommunications A1 - YI Zhi-ling, WANG Sen, HAN Shuang-feng, CUI Chun-feng, WANG Ya-feng T1 - From 5G to 6G: Requirements, Challenges and Technical Trends Y1 - 2020-04-28 00:00:00.0 JF - Journal of Beijing University of Posts and Telecommunications JO - Journal of Beijing University of Posts and Telecommunications SP - 1 EP - 9 VL - 43 IS - 2 UR - {https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2020-024} N1 - 10.13190/j.jbupt.2020-024 ER -