TY - Journal of Beijing University of Posts and Telecommunications A1 - DING Ting-ting, LIU Yan-jun, ZHANG Ning-bo, KANG Gui-xia T1 - A Hybrid Random Access for Massive Connections in 5G systems Y1 - 2018-06-04 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 - 6 VL - 41 IS - 3 UR - {https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2017-204} N1 - 10.13190/j.jbupt.2017-204 ER -