Development of a network RTK positioning and gravity-surveying application with gravity correction using a smartphone

This paper proposes a smartphone-based network real-time kinematic (RTK) positioning and gravity-surveying application (app) that allows semi-real-time measurements using the built-in Bluetooth features of the smartphone and a third-generation or long-term evolution wireless device. The app was impl...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2013-07, Vol.13 (7), p.8879-8894
Main Authors: Kim, Jinsoo, Lee, Youngcheol, Cha, Sungyeoul, Choi, Chuluong, Lee, Seongkyu
Format: Article
Language:English
Subjects:
Algorithms
Cell Phone
Computer Communication Networks - instrumentation
Emergency preparedness
Equipment Design
Equipment Failure Analysis
Geographic Information Systems - instrumentation
Gravitation
gravity correction
gravity survey
Kinematics
Mobile Applications
network RTK positioning
Personal computers
Sensors
smartphone
Smartphones
Software Design
Wireless communications
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Summary:This paper proposes a smartphone-based network real-time kinematic (RTK) positioning and gravity-surveying application (app) that allows semi-real-time measurements using the built-in Bluetooth features of the smartphone and a third-generation or long-term evolution wireless device. The app was implemented on a single smartphone by integrating a global navigation satellite system (GNSS) controller, a laptop, and a field-note writing tool. The observation devices (i.e., a GNSS receiver and relative gravimeter) functioned independently of this system. The app included a gravity module, which converted the measured relative gravity reading into an absolute gravity value according to tides; meter height; instrument drift correction; and network adjustments. The semi-real-time features of this app allowed data to be shared easily with other researchers. Moreover, the proposed smartphone-based gravity-survey app was easily adaptable to various locations and rough terrain due to its compact size.
ISSN:1424-8220
1424-8220
DOI:10.3390/s130708879