AFDM is made equivalent to FMCW radar through parameter choice, yielding a DD-DAFT input-output model and two pilot-free matched-filter sensing algorithms that trade sensing accuracy against communication overhead and complexity.
Zak-OTFS for Integration of Sensing and Commu- nication
3 Pith papers cite this work. Polarity classification is still indexing.
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Zak-OTFS carriers, realized as pulsone waveforms, yield predictable non-selective I/O relations under bounded channel spreads due to their structure as common eigenvectors of the discrete Heisenberg-Weyl group, with similar structure shared by AFDM, OTSM and ODDM.
Using data symbols with arbitrary waveforms for delay-Doppler channel estimation yields approximately 1.8 times better spectral efficiency than conventional pilot-based methods.
citing papers explorer
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ISAC with Affine Frequency Division Multiplexing: An FMCW-Based Signal Processing Perspective
AFDM is made equivalent to FMCW radar through parameter choice, yielding a DD-DAFT input-output model and two pilot-free matched-filter sensing algorithms that trade sensing accuracy against communication overhead and complexity.
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Zak-OTFS: A Predictable Physical Layer for Communications and Sensing
Zak-OTFS carriers, realized as pulsone waveforms, yield predictable non-selective I/O relations under bounded channel spreads due to their structure as common eigenvectors of the discrete Heisenberg-Weyl group, with similar structure shared by AFDM, OTSM and ODDM.
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Delay-Doppler Channel Estimation using Arbitrarily Modulated Data Transmissions
Using data symbols with arbitrary waveforms for delay-Doppler channel estimation yields approximately 1.8 times better spectral efficiency than conventional pilot-based methods.