Preprint
Oct 2026
FTN Signaling: Spectral Efficiency from BPSK to 16-QAM
Faster-than-Nyquist (FTN) signaling can improve spectral efficiency by transmitting symbols closer together than the Nyquist limit, at the cost of additional inter-symbol interference (ISI). In this letter, we study the finite-alphabet symbol-wise achievable information rate (AIR) of FTN signaling for BPSK, QPSK, and 1...
Emre Çerçi, A. Çiçek, Melda Yuksel et al.
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