Sources of error in satellite navigation positioning

• Autorzy: Januszewski J.

Identyfikatory

DOI

10.12716/1001.11.03.04

• Języki publikacji: EN

Abstrakty

EN

An uninterrupted information about the user’s position can be obtained generally from satellite navigation system (SNS). At the time of this writing (January 2017) currently two global SNSs, GPS and GLONASS, are fully operational, two next, also global, Galileo and BeiDou are under construction. In each SNS the accuracy of the user’s position is affected by the three main factors: accuracy of each satellite position, accuracy of pseudorange measurement and satellite geometry. The user’s position error is a function of both the pseudorange error called UERE (User Equivalent Range Error) and user/satellite geometry expressed by right Dilution Of Precision (DOP) coefficient. This error is decomposed into two types of errors: the signal in space ranging error called URE (User Range Error) and the user equipment error UEE. The detailed analyses of URE, UEE, UERE and DOP coefficients, and the changes of DOP coefficients in different days are presented in this paper.

Słowa kluczowe

EN

Global Navigation Satellite Systems (GNSS); satellite navigation positioning; source of errors; satellite navigation; Dilution of Precision (DOP); User Equivalent Range Error (UERE); User Range Error (URE); User Equipment Error (UEE)

• Wydawca: Faculty of Navigation, Gdynia Maritime University
• Czasopismo: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
• Rocznik: 2017
• Tom: Vol. 11, no. 3
• Strony: 419--423
• Opis fizyczny: Bibliogr. 17 poz., tab.

Twórcy

autor

Januszewski J.

• Gdynia Maritime University, Gdynia, Poland

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)