Client-Server Based LBS Architecture: A Novel Positioning Module for Improved Positioning Performance

Client-Server Based LBS Architecture: A Novel Positioning Module for Improved Positioning Performance

Mohammad AL Nabhan, Suleiman Almasri, Vanja Garaj, Wamadeva Balachandran, Ziad Hunaiti
Copyright: © 2010 |Volume: 1 |Issue: 3 |Pages: 18
ISSN: 1947-9158|EISSN: 1947-9166|EISBN13: 9781609609702|DOI: 10.4018/jhcr.2010070101
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MLA

Nabhan, Mohammad AL, et al. "Client-Server Based LBS Architecture: A Novel Positioning Module for Improved Positioning Performance." IJHCR vol.1, no.3 2010: pp.1-18. http://doi.org/10.4018/jhcr.2010070101

APA

Nabhan, M. A., Almasri, S., Garaj, V., Balachandran, W., & Hunaiti, Z. (2010). Client-Server Based LBS Architecture: A Novel Positioning Module for Improved Positioning Performance. International Journal of Handheld Computing Research (IJHCR), 1(3), 1-18. http://doi.org/10.4018/jhcr.2010070101

Chicago

Nabhan, Mohammad AL, et al. "Client-Server Based LBS Architecture: A Novel Positioning Module for Improved Positioning Performance," International Journal of Handheld Computing Research (IJHCR) 1, no.3: 1-18. http://doi.org/10.4018/jhcr.2010070101

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Abstract

This work presents a new efficient positioning module that operates over client-server LBS architectures. The aim of the proposed module is to fulfil the position information requirements for LBS pedestrian applications by ensuring the availability of reliable, highly accurate and precise position solutions based on GPS single frequency (L1) positioning service. The positioning module operates at both LBS architecture sides; the client (mobile device), and the server (positioning server). At the server side, the positioning module is responsible for correcting user’s location information based on WADGPS corrections. In addition, at the mobile side, the positioning module is continually in charge for monitoring the integrity and available of the position solutions as well as managing the communication with the server. The integrity monitoring was based on EGNOS integrity methods. A prototype of the proposed module was developed and used in experimental trials to evaluate the efficiency of the module in terms of the achieved positioning performance. The positioning module was capable of achieving a horizontal accuracy of less than 2 meters with a 95% confidence level with integrity improvement of more than 30% from existing GPS/EGNOS services.

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