Zak-OTFS outperforms CP-OFDM in effective spectral efficiency for doubly-spread channels, with the largest gains (more than 2x) in high mobility plus large cell scenarios.
OTFS – A mathematical foundation for communication and radar sensing in the delay-Doppler domain,
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Waveform for Next Generation Communication Systems: Comparing Zak-OTFS with OFDM
Zak-OTFS outperforms CP-OFDM in effective spectral efficiency for doubly-spread channels, with the largest gains (more than 2x) in high mobility plus large cell scenarios.