A demand-driven architecture for web-based tracking systems

Bing-Fei Wu*, Ying Han Chen, Po Chia Huang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

With the convergence of the Internet and the Global Positioning System (GPS), a common approach called GPS tracking system has been developed nowadays. A GPS tracking system uses GPS to determine the precise location of a vehicle, person, or other assets and shares information with remote clients through the Internet. In the outdoors, the device usually connects to the Internet through mobile networks like GPRS or 3G. However, the weaknesses of a mobile network are low bandwidth and high charging strategies compared to Ethernet or Wi-Fi. In this paper, a demand-driven architecture for web-based tracking systems is presented. By integrating several technologies nowadays, this architecture is designed to improve the efficiency for the location-aware applications. The proposed architecture focuses on two problems. One is the redundant connection, causing the waste of bandwidth and fees during the connection period in the mobile network. The other is the data asynchronization during the period of transmission. We not only addressed the connection scheme to solve above issues, but also designed a prototype on an embedded platform for web-based tracking systems. The performance has also been evaluated for the total latency time when a user exploits different communication medium, and the results showed that the user can monitor the status of target in real time even in the worst case.

Original languageEnglish
Pages (from-to)477-486
Number of pages10
JournalWSEAS Transactions on Information Science and Applications
Volume8
Issue number12
StatePublished - 1 Dec 2011

Keywords

  • Asynchronization
  • GPS
  • Redundant connections
  • Tracking

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