TY - Journal of Beijing University of Posts and Telecommunications A1 - JIANG Cheng-xin, WU Zhan-ji T1 - A Novel Low Density Superposition Modulation Scheme for Uplink NOMA 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 - 14 EP - 19 VL - 41 IS - 3 UR - {https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2017-215} N1 - 10.13190/j.jbupt.2017-215 ER -