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Assisted GNSS Using the Doppler Freq...

Pike, G. Elisabeth.

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Assisted GNSS Using the Doppler Frequency Track Measurement.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Assisted GNSS Using the Doppler Frequency Track Measurement./
Author:	Pike, G. Elisabeth.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
Description:	130 p.
Notes:	Source: Dissertations Abstracts International, Volume: 85-02, Section: B.
Contained By:	Dissertations Abstracts International85-02B.
Subject:	Aerospace engineering. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30671332
ISBN:	9798380075251

Assisted GNSS Using the Doppler Frequency Track Measurement.
Pike, G. Elisabeth.

Assisted GNSS Using the Doppler Frequency Track Measurement. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 130 p.

Source: Dissertations Abstracts International, Volume: 85-02, Section: B.

Thesis (Ph.D.)--Ohio University, 2023.

This item must not be sold to any third party vendors.

Satellite positioning using the Doppler frequency shift, though used in the decommissioned satellite positioning system, TRANSIT, has been superseded by a more robust positioning algorithm: the modern GNSS (Global Navigation Satellite System) pseudorange positioning method. The recent increase in varied satellite constellations, both MEO (medium earth orbit, e.g., GPS) and LEO (low earth orbit, e.g., Starlink), and multiconstellation navigation has renewed interest in codeless positioning options. This dissertation shows the derivation of novel Doppler track equations for high-accuracy solutions using GNSS satellites. Several specific, data-supported examples illustrating the feasibility and reliability of these novel Doppler track equations are presented, including a combined Doppler-pseudorange solution for low-visibility (2-3 satellites) static situations without the use of reference stations, a combined Doppler-pseudorange accuracy performance and protection level solution for improved performance in the Arctic region, and a complementary filter using Doppler position and precise displacement measurements for precise, codeless LEO satellite positioning. In each specific example, complete error sensitivity analyses are shown, and computer simulations are used to demonstrate the feasibility of the application. Where applicable, fault detection and exclusion algorithms are also described for short (1-10 s) Doppler tracks, and collected data from either surveyed static receivers or dynamic flight receivers were used for real world testing. These examples serve to show that Doppler track positioning is a viable navigation option comparable to pseudorange positioning, and can improve on the pseudorange solution in situations of low-visibility, high-velocity, and multi-constellation positioning. 

ISBN: 9798380075251Subjects--Topical Terms:

1002622
Aerospace engineering.
Subjects--Index Terms:

Assisted GNSS

Assisted GNSS Using the Doppler Frequency Track Measurement.
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100 1 $a Pike, G. Elisabeth. $3 3767035
245 1 0 $a Assisted GNSS Using the Doppler Frequency Track Measurement.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2023
300 $a 130 p.
500 $a Source: Dissertations Abstracts International, Volume: 85-02, Section: B.
500 $a Advisor: van Graas, Frank.
502 $a Thesis (Ph.D.)--Ohio University, 2023.
506 $a This item must not be sold to any third party vendors.
520 $a Satellite positioning using the Doppler frequency shift, though used in the decommissioned satellite positioning system, TRANSIT, has been superseded by a more robust positioning algorithm: the modern GNSS (Global Navigation Satellite System) pseudorange positioning method. The recent increase in varied satellite constellations, both MEO (medium earth orbit, e.g., GPS) and LEO (low earth orbit, e.g., Starlink), and multiconstellation navigation has renewed interest in codeless positioning options. This dissertation shows the derivation of novel Doppler track equations for high-accuracy solutions using GNSS satellites. Several specific, data-supported examples illustrating the feasibility and reliability of these novel Doppler track equations are presented, including a combined Doppler-pseudorange solution for low-visibility (2-3 satellites) static situations without the use of reference stations, a combined Doppler-pseudorange accuracy performance and protection level solution for improved performance in the Arctic region, and a complementary filter using Doppler position and precise displacement measurements for precise, codeless LEO satellite positioning. In each specific example, complete error sensitivity analyses are shown, and computer simulations are used to demonstrate the feasibility of the application. Where applicable, fault detection and exclusion algorithms are also described for short (1-10 s) Doppler tracks, and collected data from either surveyed static receivers or dynamic flight receivers were used for real world testing. These examples serve to show that Doppler track positioning is a viable navigation option comparable to pseudorange positioning, and can improve on the pseudorange solution in situations of low-visibility, high-velocity, and multi-constellation positioning. 
590 $a School code: 0167.
650 4 $a Aerospace engineering. $3 1002622
650 4 $a Electrical engineering. $3 649834
650 4 $a Geographic information science. $3 3432445
653 $a Assisted GNSS
653 $a Satellite navigation
653 $a Doppler satellite positioning
653 $a Doppler positioning
653 $a Two satellite positioning
653 $a Arctic positioning
690 $a 0538
690 $a 0544
690 $a 0370
710 2 $a Ohio University. $b Electrical Engineering (Engineering and Technology). $3 3767036
773 0 $t Dissertations Abstracts International $g 85-02B.
790 $a 0167
791 $a Ph.D.
792 $a 2023
793 $a English
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30671332