Near-Optimal BEM OTFS Receiver With Low Pilot Overhead for High-Mobility Communications - Liu, Yujie; Guan, Yong Liang; G., David Gonzalez (IEEE transactions on communications, 2022)
Keywords: basis expansion model (BEM); Bit error rate; Channel estimation; Doppler shift; Doppler spread; doubly-selective fading channel; Equalization; Fading channels; generalized complex exponential BEM (GCE-BEM); Lower bounds; OFDM; Orthogonal time frequency space (OTFS); Receivers; Simulation; Time-frequency analysis