SFDM creates a continuous AFDM waveform by holding instantaneous frequency at the wrapped chirp midpoint per interval while accumulating phase continuously, eliminating jumps, lowering out-of-band emissions, and preserving the original modulation matrix and receiver processing.
Agile affine frequency division multiplexing
2 Pith papers cite this work. Polarity classification is still indexing.
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Pith papers citing it
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2026 2verdicts
UNVERDICTED 2representative citing papers
A sparsity-agnostic DD channel estimator exploits Cartesian-product support structure and BIC-based dimension selection to recover exact support with high probability and achieve near-oracle reconstruction accuracy.
citing papers explorer
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Stepped Frequency Division Multiplexing: A Jump-Free Continuous-Time AFDM Waveform
SFDM creates a continuous AFDM waveform by holding instantaneous frequency at the wrapped chirp midpoint per interval while accumulating phase continuously, eliminating jumps, lowering out-of-band emissions, and preserving the original modulation matrix and receiver processing.
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Delay-Doppler Domain Channel Estimation: What if Sparsity is Unknown?
A sparsity-agnostic DD channel estimator exploits Cartesian-product support structure and BIC-based dimension selection to recover exact support with high probability and achieve near-oracle reconstruction accuracy.