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.
Pilot signal desi gn via constrained optimization with application to delay-doppler shift esti mation in ofdm systems
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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.