OTFS-Aided RIS-Assisted SAGIN Systems Outperform Their OFDM Counterparts in Doubly Selective High-Doppler Scenarios.
Chao XuLuping XiangJiancheng AnChen DongShinya SugiuraRobert G. MaunderLie-Liang YangLajos HanzoPublished in: IEEE Internet Things J. (2023)