Phase noise in networks of mutual synchronized spatially distributed 24-GHz PLLs

C Hoyer, J Wagner, F Ellinger - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article discusses the phase noise (PN) characteristics of mutually delay-coupled phase-
locked loop (PLL) nodes operating at 24 GHz. It examines the effect of mutual …

Mutual synchronization of spatially distributed 24 GHz oscillators up to distances of 500 m

C Hoyer, L Wetzel, D Prousalis… - … on Circuits and …, 2022 - ieeexplore.ieee.org
This brief studies how mutual synchronization of oscillators can be achieved for cross-
coupling time delays much larger than the period of the oscillations. Using the closed loop …

Heterogeneity in time delays between mutually synchronized 24 GHz oscillators

C Hoyer, L Wetzel, D Prousalis… - 2023 21st IEEE …, 2023 - ieeexplore.ieee.org
This paper presents the analysis and measurements of the effects of heterogeneous cross-
coupling time delays on synchronized states in a network of mutually coupled oscillators. In …

Impact of Frequency Heterogeneity on Mutually Synchronized Spatially Distributed 24 GHz PLLs

C Hoyer, J Wagner, F Ellinger - IEEE Open Journal of Circuits …, 2024 - ieeexplore.ieee.org
This research analyzes the mutual self-organized synchronization of phase-locked loops
(PLLs) in the presence of variations in the free-running frequency of a PLL. In contrast to …

Self-Organized Synchronization of Mutually Coupled Spatially Distributed 60-GHz PLLs

C Hoyer, FA Dürrwald, F Protze… - 2024 IEEE …, 2024 - ieeexplore.ieee.org
This study presents a significant advance in the field of self-organized synchronization using
mutually delay-coupled phase-locked loops (PLLs) operating at 60 GHz. To confirm mutual …