Active Terminal Identification, Channel Estimation, and Signal Detection for Grant-Free NOMA-OTFS in LEO Satellite Internet-of-Things.
Xingyu ZhouKeke YingZhen GaoYongpeng WuZhenyu XiaoSymeon ChatzinotasJinhong YuanBjörn E. OtterstenPublished in: IEEE Trans. Wirel. Commun. (2023)