A Closed-Form Minimum BER Precoder for Orthogonal Time Frequency Space Systems - Sun, Jinjing; Wang, Zulin; Huang, Qin (IEEE communications letters, 2022)
Keywords: Bit error rate; Closed form solutions; Convexity; Errors; Exact solutions; Interference; Lower bounds; Manganese; Minimization; minimum BER precoder; minimum mean square error; Optimization; Orthogonal time frequency space; Signal to noise ratio; Symbols; Time-frequency analysis; zero-forcing