Are PLLs dead? A tutorial on kalman filter-based techniques for digital carrier synchronization

@article{VilValls2017ArePD,
  title={Are PLLs dead? A tutorial on kalman filter-based techniques for digital carrier synchronization},
  author={Jordi Vil{\`a}-Valls and Pau Closas and M{\`o}nica Navarro and Carles Fern{\'a}ndez-Prades},
  journal={IEEE Aerospace and Electronic Systems Magazine},
  year={2017},
  volume={32},
  pages={28-45}
}
Carrier synchronization is a fundamental stage in the receiver side of any communication or positioning system. Traditional carrier phase tracking techniques are based on well-known phase-locked loop (PLL) closed-loop architectures, which are still the methods of choice in modern receivers. Those techniques are well understood, easy to tune, and perform well under benign propagation conditions, but their applicability is seriously compromised in harsh propagation environments, where the signal… CONTINUE READING

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