TY - Journal of Beijing University of Posts and Telecommunications A1 - QU Hua, YANG Yue, ZHAO Ji-hong, WANG Wei-hua T1 - Application of Robust Variable Step-size Sign Algorithm in Sparse Channel Estimation Y1 - 2017-05-25 00:00:00.0 JF - Journal of Beijing University of Posts and Telecommunications JO - Journal of Beijing University of Posts and Telecommunications SP - 110 EP - 113,120 VL - 40 IS - 3 UR - {https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2017.03.016} N1 - 10.13190/j.jbupt.2017.03.016 ER -