Context aware handover algorithms for mobile positioning systems

• Autorzy: Khan S. Z. , Silvadorai T. , Chen-Wei T. , Ramadass S. , Anwar T.

Identyfikatory

DOI

10.7494/csci.2014.15.2.133

• Języki publikacji: EN

Abstrakty

EN

This work proposes context aware handover algorithms for mobile positioning systems. The algorithms perform handover among positioning systems based on important contextual factors related to position determination with efficient use of battery. The proposed solution is implemented in the form of an Android application named Locate@nav6. The performance of the proposed solution was tested in selected experimental areas. The handover performance was compared with other existing location applications. The proposed solution performed correct handover among positioning systems in 95 percent of cases studied while two other applications performed correct handover in only 50 percent of cases studied. Battery usage of the proposed solution is less than one third of the battery usage of two other applications. The analysis of the positioning error of the applications demonstrated that, the proposed solution is able to reduce positioning error indirectly by handing over the task of positioning to an appropriate positioning system. This kept the average error of positioning below 42.1 meters for Locate@nav6 while the average error for two other applications namely Google Latitude and Malaysia maps was between 92.7 and 171.13 meters.

Słowa kluczowe

EN

handover among mobile positioning systems; power efficient mobile positioning; switching between indoor and outdoor positioning systems

• Wydawca: Wydawnictwa AGH
• Czasopismo: Computer Science
• Rocznik: 2014
• Tom: Vol. 15 (2)
• Strony: 133--158
• Opis fizyczny: Bibliogr. 28 poz., rys., wykr.

Twórcy

autor

Khan S. Z.

• National advanced IPv6 centre, Universiti Sains Malaysia, 11800 USM Pulau Pinang Malaysia

autor

Silvadorai T.

• Heidelberg Mobil International, 69190 Walldorf, Germany

autor

Chen-Wei T.

• National advanced IPv6 centre, Universiti Sains Malaysia, 11800 USM Pulau Pinang Malaysia

autor

Ramadass S.

• National advanced IPv6 centre, Universiti Sains Malaysia, 11800 USM Pulau Pinang Malaysia

autor

Anwar T.

• Faculty of Computing, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia

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