Joint Active User Detection and Channel Estimation for Grant-Free NOMA-OTFS in LEO Constellation Internet-of-Things. - Xingyu Zhou 009; Zhen Gao 001 (ICCC, 2021)

Grant-Free NOMA-OTFS Paradigm: Enabling Efficient Ubiquitous Access for LEO Satellite Internet-of-Things. - Xingyu Zhou 009; Zhen Gao 001; Jingjing Zhao; Juan Li; Pei Xiao 001; Symeon Chatzinotas; Derrick Wing Kwan Ng; Björn E. Ottersten (CoRR, 2022)

Reconfigurable intelligent surface assisted grant-free massive access. - Xingyu Zhou 009; Keke Ying; Shicong Liu; Malong Ke; Zhen Gao 001; Mohamed-Slim Alouini (Intell. Converged Networks, 2022)

Grant-Free NOMA-OTFS Paradigm: Enabling Efficient Ubiquitous Access for LEO Satellite Internet-of-Things. - Zhen Gao 001; Xingyu Zhou 009; Jingjing Zhao; Juan Li; Chunli Zhu; Chun Hu; Pei Xiao 001; Symeon Chatzinotas; Derrick Wing Kwan Ng; Björn E. Ottersten (IEEE Netw., 2023)

Active Terminal Identification, Channel Estimation, and Signal Detection for Grant-Free NOMA-OTFS in LEO Satellite Internet-of-Things. - Xingyu Zhou 009; Keke Ying; Zhen Gao 001; Yongpeng Wu 001; Zhenyu Xiao; Symeon Chatzinotas; Jinhong Yuan; Björn E. Ottersten (IEEE Trans. Wirel. Commun., 2023)

Integrated Location Sensing and Communication for Ultra-Massive MIMO With Hybrid-Field Beam-Squint Effect. - Zhen Gao 001; Xingyu Zhou 009; Boyu Ning; Yu Su; Tong Qin; Dusit Niyato (IEEE J. Sel. Areas Commun., 2025)