New TF-domain pilot sequences and direct twisted-convolution estimation outperform standard Zadoff-Chu methods for LoS delay-Doppler recovery across Rician factors and SNRs.
V2v meets otfs: Cram´ er-rao bound-based pilot sequence de sign in the delay-doppler domain
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Time-Frequency Pilot Sequence Design and LoS Delay-Doppler Estimation
New TF-domain pilot sequences and direct twisted-convolution estimation outperform standard Zadoff-Chu methods for LoS delay-Doppler recovery across Rician factors and SNRs.