Corpus ID: 18543537

PLL Performance for Signals in the Presence of Thermal noise, Phase noise, and Ionospheric Scintillation

  title={PLL Performance for Signals in the Presence of Thermal noise, Phase noise, and Ionospheric Scintillation},
  author={W. Yu and G{\'e}rard Lachapelle and Susan Skone},
Performance of several carrier tracking loops are evaluated by the wideband data that mimic the real ionospheric scintillation. To accommodate the deficiency of the receiver’s oscillator, six-state dynamic model driven by Gaussian-distributed random samples is used to simulate the phase noise inherited by the imperfect crystal unit. Ionospheric scintillation is associated with the deep power fades and drastic phase variation. The scintillation model proposed by MITRE is employed in this paper… Expand
Multi-frequency GNSS robust carrier tracking for ionospheric scintillation mitigation
A new multivariate autoregressive model (MAR) for the multi-frequency ionospheric scintillation process is proposed, allowing independent tracking of both line-of-sight phase variations and complex gain scintillation components. Expand
SS Carrier Tracking and Ionospheric Scintillation Mitigation
Ionospheric scintillation is the name given to the disturbance caused by electron density irregularities along the propagation path of electromagnetic waves through the iono­ sphere. TheseExpand
Advanced KF-based methods for GNSS carrier tracking and ionospheric scintillation mitigation
Ionospheric scintillation is the name given to the disturbance caused by electron density irregularities along the propagation path of electromagnetic waves through the ionosphere. These non-nominalExpand
Trade-off Analysis of Robust Carrier Phase Tracking Techniques in Challenging Environments
Three different families of techniques are explored for robust carrier phase tracking: advanced closed loop and open loop scalar techniques, and vector tracking techniques, which were assessed under harsh environments, including fading, ionospheric scintillations and high dynamics. Expand
Implementation of Advanced Carrier Tracking Algorithm Using Adaptive-Extended Kalman Filter for GNSS Receivers
The proposed adaptive-extended Kalman filter (AEKF) approach works as an effective carrier tracking algorithm maintaining a balance in dual problems faced by PLL-based receivers, i.e., (estimation versus mitigation) and (dynamics versus noise reduction) tradeoff. Expand
On the Mitigation of Ionospheric Scintillation in Advanced GNSS Receivers
The goal of this paper is to bring together the most relevant contributions on GNSS receiver design under scintillation conditions, and then, to propose a new GNSS carrier tracking framework and scintilation mitigation methodology. Expand
Are PLLs dead? A tutorial on kalman filter-based techniques for digital carrier synchronization
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 loopExpand
Model analysis on the performance for an inertial aided FLL-assisted-PLL carrier-tracking loop in the presence of ionospheric scintillation
There is a 10 dB improvement in the minimum 0 / N C by using a FLL as a backup tracking loop when compared to the receiver with PLL used as the primary tracking loop only, however, satisfying the requirements of the WER limits the performance of this technique. Expand
On the identifiability of noise statistics and adaptive KF design for robust GNSS carrier tracking
Carrier synchronization is of paramount importance in any communications or positioning system. Mass-market Global Navigation Satellite System (GNSS) receivers typically implement traditional carrierExpand
On-line model learning for adaptive GNSS ionospheric scintillation estimation and mitigation
This contribution proposes an adaptive model learning strategy to be able to cope with time-varying unknown scintillation conditions and shows the performance of the new approach using real ionospheric scintillator data recorded over Hanoi in 2015. Expand


PLL Tracking Performance in the Presence of Oscillator Phase Noise
The tracking performance of a Phase Lock Loop (PLL) is affected by the influence of several error sources. In addition to thermal noise and dynamic stress error, oscillator phase noise can causeExpand
Scintillation modeling for GPS‐Wide Area Augmentation System receivers
A scintillation signal model and a Global Positioning System (GPS)-Wide Area Augmentation System (WAAS) receiver model are developed. The scintillation signal model is based on a Nakagami-mExpand
Modeling the effects of ionospheric scintillation on GPS/Satellite‐Based Augmentation System availability
[1] Ionospheric scintillation is a rapid change in the phase and/or amplitude of a radio signal as it passes through small-scale plasma density irregularities in the ionosphere. These scintillationsExpand
Carrier Tracking Loop Performance in the Presence of Strong CW Interference
  • B. Levitt
  • Physics, Computer Science
  • IEEE Trans. Commun.
  • 1981
This paper compares the contributions of Bruno and Bianchard, and extends Bruno's closed form approximation for the loop phase error to the entire lock region. Expand
A Preliminary Study of the Effect of Ionospheric Scintillation on WAAS User Availability in Equatorial Regions
While Wide Area Augmentation System (WAAS) user performance is expected meet aviation requirements under most conditions, infrequent ionospheric anomalies may result in significant degradation atExpand
A Kalman Filter Clock Algorithm for Use in the Presence of Flicker Frequency Modulation Noise
The National Physical Laboratory (NPL) has developed a Kalman filter based algorithm for combining measurements from its three active hydrogen masers. The algorithm is designed to produce a nearExpand
A survey of digital phase-locked loops
A systematic survey of the theoretical/experimental work accomplished in the area of digital phase-locked loops (DPLL's) during the period of 1960 to 1980, thereby offering speedy access to the techniques and hardware developments which have been presented in a scattered literature. Expand
Smoother-Based GPS Signal Tracking in a Software Receiver
A bit-grabber/software-receiver has been developed for the GPS L1 coarse/acquisition signal and these techniques make optimal use of after-the-fact data. Expand
Time and Frequency (Time-Domain) Characterization, Estimation, and Prediction of Precision Clocks and Oscillators
  • D. W. Allan
  • Physics, Medicine
  • IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  • 1987
A tutorial review of some time-domain methods of characterizing the performance of precision clocks and oscillators is presented. Characterizing both the systematic and random deviations isExpand
Controlled-root formulation for digital phase-locked loops
In a new formulation for digital phase-locked loops, loop-filter constants are determined from loop roots that can each be selectively placed in the s-plane on the basis of a new set of parameters,Expand