An Asynchronous Grant-Free Multiple Access Scheme with Rateless Codes for URLLC. - Wei Zhang 237; Shidong Zhou; Xiujun Zhang (VTC Fall, 2020)

A Joint User Activity Detection and Channel Estimation Scheme for Packet-Asynchronous Grant-Free Access. - Wei Zhang 237; Jiahui Li 001; Xiujun Zhang; Shidong Zhou (IEEE Wirel. Commun. Lett., 2022)