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A Publish/Subscribe Data Gathering Framework Integrating Wireless Sensor Networks and Mobile Phones
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology.
2010 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this report, we propose a data gathering framework integrating wireless sensors with mobile phones based on the observation that individual mobile devices can serve as supplement to the static deployed wireless sensor networks. The framework employs an intermediate broker network built upon DHT overlay in its basic infrastructure to dispatch data by means of publish/subscribe paradigm. A location based subscription installation is introduced, through which end users can subscribe to their interested events within a specified target location area. Event data notifications are multicast efficiently by the broker network back to the corresponding subscriber clients when they are matched successfully against any subscriptions.

In order to support client mobility, we also propose a protocol which implements a client location registration and lookup process as well as a relocation handover process. The protocol leverages the DHT storage of broker nodes to trace client location. It is able to buffer the event data when clients are absent to the framework and replay them efficiently to the new location in case of client relocation.

Place, publisher, year, edition, pages
2010.
Series
IT ; 10 066
Identifiers
URN: urn:nbn:se:uu:diva-136400OAI: oai:DiVA.org:uu-136400DiVA, id: diva2:376774
Uppsok
Technology
Supervisors
Examiners
Available from: 2010-12-13 Created: 2010-12-13 Last updated: 2010-12-13Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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