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Clock Error Analysis of Common Time of Flight based Positioning Methods [article]

Maximilian von Tschirschnitz, Marcel Wagner, Marc-Oliver Pahl and Georg Carle
2019 arXiv   pre-print
Advanced Time of Flight (ToF) based positioning methods provide highaccuracy localization of entities.  ...  Our analysis reveals a superior error robustness against clock errors for so called Double-Pulse methods when applied to radio based ToF positioning  ...  A considerable amount of research has therefore been conducted on that field, most recently in particular in the area of Time of Flight (ToF) based positioning.  ... 
arXiv:1909.09398v1 fatcat:43cnasgb35etjnqugt6mu6udsm

Common-View Mode Synchronization as a source of error in Measurement of Time of Flight of neutrinos at the CERN-LNGS experiment [article]

Satish Ramakrishna
2011 arXiv   pre-print
This paper substantiates the point, as well as introduces a new source of error in the "common-view" method of synchronization of clocks.  ...  In addition, the principal contention of the paper, that the experiment is being timed by a moving clock is not substantiated in the analysis.  ...  Error due to Common View Method of Synchronization The method of synchronization of clocks in the CERN-LNGS experiment is described very precisely in the references [11...17] .  ... 
arXiv:1111.1922v2 fatcat:7sekj7lj4jcx3lo3lx2st2jhbi

Flight-Test Evaluation of Kinematic Precise Point Positioning of Small UAVs

Jason N. Gross, Ryan M. Watson, Stéphane D'Urso, Yu Gu
2016 International Journal of Aerospace Engineering  
An experimental analysis of Global Positioning System (GPS) flight data collected onboard a Small Unmanned Aerial Vehicle (SUAV) is conducted in order to demonstrate that postprocessed kinematic Precise  ...  This is a significant result for the UAV flight testing community because an important and relevant benefit of the PPP technique over traditional Differential GPS (DGPS) techniques, such as Real-Time Kinematic  ...  Common to both pseudorange and carrier-phase are several error sources, where is the unknown GNSS receiver clock bias in units of seconds, is the GNSS transmitter's clock bias in units of seconds, is the  ... 
doi:10.1155/2016/1259893 fatcat:hiz34zluarb2nisx4qgsvm2exm

Receiver Time Misalignment Correction for GPS-based Attitude Determination

Xiaohong Zhang, Mingkui Wu, Wanke Liu
2015 Journal of navigation  
With the proposed methods, these errors can be effectively eliminated.  ...  However, in order to have a low cost attitude determination system, a set of Commercial-Off-The-Shelf (COTS) receivers with separate clocks are used.  ...  Figure 18 shows the clock offsets of the two receivers and their time misalignments during the flight.  ... 
doi:10.1017/s0373463315000053 fatcat:exi5t6ksajgshd3o5ep2gw6yja

Precision measurement of the speed of propagation of neutrinos using the MINOS detectors [article]

P. Adamson, I. Anghel, N. Ashby, A. Aurisano, G. Barr, M. Bishai, A. Blake, G.J. Bock, D. Bogert, R. Bumgarner, S.V. Cao, C.M. Castromonte (+105 others)
2015 arXiv   pre-print
We report a two-detector measurement of the propagation speed of neutrinos over a baseline of 734 km. The measurement was made with the NuMI beam at Fermilab between the near and far MINOS detectors.  ...  The fractional difference between the neutrino speed and the speed of light is determined to be (v/c-1) = (1.0 ± 1.1) × 10^-6, consistent with relativistic neutrinos.  ...  methods (code-based common view and carrier-phase based common-view for GPS data) [27] .  ... 
arXiv:1507.04328v2 fatcat:jqnz2lh4yzc6vgjvxdbkolhx6y

Determining in-flight tracker accuracy

Corbin Koepke, Vince Parisi, Randall W. Brown, Peter L. Marasco, Clarence E. Rash, Colin E. Reese
2006 Helmet- and Head-Mounted Displays XI: Technologies and Applications  
Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining  ...  Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to Department of Defense, Washington Headquarters Services  ...  A portion of our analysis is focused on understanding possible sources of error and deciding test methodologies to minimize that error.  ... 
doi:10.1117/12.668619 fatcat:4ugcotssszf5dniqdhof5vkyti

Implementation and Evaluation of the WADGPS System in the Taipei Flight Information Region

Shau-Shiun Jan, Shih-Chieh Lu
2010 Sensors  
These vector corrections consist of the satellite ephemeris and clock errors, and a grid of ionospheric delays.  ...  This paper describes the implementation of the Wide Area Differential Global Positioning System (WADGPS) system in order to evaluate the operational performance of a satellite based aviation navigation  ...  The authors would also like to thank Taiwan Ministry of Interior, FAA Technical Center (NJ., USA), and Stanford GPS Research Laboratory of Stanford University for providing the GPS observation data sets  ... 
doi:10.3390/s100402995 pmid:22319284 pmcid:PMC3274211 fatcat:3qseyujh2ncmdbgrhgwqf7lm2e

ToA-TS: Time of arrival based joint time synchronization and tracking for mobile underwater systems

Jinwang Yi, Diba Mirza, Ryan Kastner, Curt Schurgers, Paul Roberts, Jules Jaffe
2015 Ad hoc networks  
In these systems the unknown positions of submersibles are estimated from beacon transmissions using time-difference-of-arrival (TDoA) based localization.  ...  Our proposed technique, called Time of Arrival based Tracked Synchronization (ToA-TS) essentially extends GPS like localization for scenarios where beacon transmissions are not concurrent and submersibles  ...  Acknowledgment This work is part of the Project ''Networked Sensor Swarm of Underwater Drifters'' supported by the NSF under Award Number 1035828.  ... 
doi:10.1016/j.adhoc.2014.10.010 fatcat:h257ldmxpbdu7fny6gggnotda4

Precision measurement of the speed of propagation of neutrinos using the MINOS detectors

P. Adamson, I. Anghel, N. Ashby, A. Aurisano, G. Barr, M. Bishai, A. Blake, G. J. Bock, D. Bogert, R. Bumgarner, S. V. Cao, C. M. Castromonte (+111 others)
2015 Physical Review D  
We report a two-detector measurement of the propagation speed of neutrinos over a baseline of 734 km. The measurement was made with the NuMI beam at Fermilab between the near and far MINOS detectors.  ...  The fractional difference between the neutrino speed and the speed of light is determined to be ðv=c − 1Þ ¼ ð1.0 AE 1.1Þ × 10 −6 , consistent with relativistic neutrinos.  ...  methods (code-based common view and carrier-phase-based common view for GPS data) [27] .  ... 
doi:10.1103/physrevd.92.052005 fatcat:35okvjzumzf67ccdyial6wf2va

Event correlation for networked simulators

Amnon Katz
1995 Journal of Aircraft  
Quantitative bounds on the accuracy possible with currently known methods of dead-reckoning are provided. The absolute time-stamp plays a key role in the analysis.  ...  They share the same sequence of frame times t, = to + ndt, (3) and common values of Af,, and Af,,.  ... 
doi:10.2514/3.46750 fatcat:gjrcq7rmvbdg7d3zvkphtatczq

Application of IGS Products for Air Navigation

Henryk Jafernik, Janusz Ćwiklak, Kamil Krasuski, Jarosław Kozuba
2017 Annual of Navigation  
In air operations, the SPP method accuracy can be several times lower and that may cause problems with precise positioning of an aircraft.  ...  Single Point Positioning (SPP) method is widely used in air, marine, and land navigation to determine the user's position in real time and post factum.  ...  Acknowledgements The authors of this article wish to thank IGS for providing precise ephemerides and GPS satellite clock data and Mr Tomoji Takasu for allowing the use of RTKLIB libraries [18].  ... 
doi:10.1515/aon-2017-0021 fatcat:amyzvfpbpneibcdnkblszdwnci

Development of INS-Aided GPS Tracking Loop and Flight Test Evaluation

Toshiaki TSUJII, Takeshi FUJIWARA, Yoshimitsu SUGANUMA, Hiroshi TOMITA, Ivan PETROVSKI
2011 SICE Journal of Control Measurement and System Integration  
In addition, two GPS front end units with different clock (TCXO and OCXO) are installed to collect digitized IF data.  ...  In order to evaluate such an aiding, an INS aided GPS tracking loop is developed by using a software receiver, and a preliminary flight test is conducted.  ...  The outline of the aiding method, the flight test configuration, and analysis that are conducted using the data, are presented in the paper.  ... 
doi:10.9746/jcmsi.4.15 fatcat:fs72mbniuvcjlnltnqwg576j7m

Automatic Hotspot and Sun Glint Detection in UAV Multispectral Images

Damian Ortega-Terol, David Hernandez-Lopez, Rocio Ballesteros, Diego Gonzalez-Aguilera
2017 Sensors  
This paper has been structured as follows: after this introduction, Section 2 describes in detail the method developed; Section 3 outlines the new functionalities of the flight planning and control software  ...  Finally, an accuracy assessment was performed in order to analyse the error in the detection process, getting errors around 10 pixels for a ground sample distance (GSD) of 5 cm which is perfectly valid  ...  The performed analysis of the errors aims to highlight two main issues: From the analysis of Figure 9 we can see that an error of 2 • in phi or omega angles causes a variation in the position of 100  ... 
doi:10.3390/s17102352 pmid:29036930 pmcid:PMC5677353 fatcat:wk5lgduexnewxj6bveixkjh5lq

Wide Area Augmentation System-Based Flight Inspection System

E. Kim, T. Walter, J. D. Powell
2008 Journal of Aircraft  
position index distance between a receiver and a satellite tropospheric delay error time index during navigation weighting matrix receiver position and clock error vector time series of linearized difference  ...  A specialized positioning algorithm called a time-differenced precise relative positioning (TDPRP) method is used for this system.  ... 
doi:10.2514/1.32531 fatcat:7dhrrlzqzbg2pgcwaa33mqnjmm

Misinformed leaders lose influence over pigeon flocks

Isobel Watts, Máté Nagy, Theresa Burt de Perera, Dora Biro
2016 Biology Letters  
In these cases, inaccurate information is filtered out through the rearrangement of hierarchical positions, preventing errors by former leaders from propagating down the hierarchy.  ...  Here, we use a clock-shifting procedure to predictably manipulate the directional error in navigational information possessed by established leaders within hierarchically structured flocks of homing pigeons  ...  delay analysis (electronic supplementary material, figure S1; see [3] for details of both methods).  ... 
doi:10.1098/rsbl.2016.0544 pmid:27624797 pmcid:PMC5046934 fatcat:57azr6xbgfemjj3gzzbllay5m4
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