Performance analysis of MAC protocols for wireless sensor networks.

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dc.contributor.authorMa, Haoling
dc.contributor.supervisorCai, Lin
dc.date.accessioned2009-11-04T22:21:18Z
dc.date.available2009-11-04T22:21:18Z
dc.date.copyright2009en
dc.date.issued2009-11-04T22:21:18Z
dc.degree.departmentDept. of Electrical and Computer Engineeringen
dc.degree.levelMaster of Applied Science M.A.Sc.en
dc.description.abstractA sensor network is comprised of a large number of sensor nodes with limited power, which collect and process data from a target domain and transmit information back to specific sites, such as, headquarters and disaster control centers. Since the wireless communication channel shared by sensor nodes is broadcast in nature, a Medium Access Control (MAC) protocol is needed to specify how nodes share the channel, which plays a central role in the performance of a sensor network. In this thesis, we investigate the performance of randomized and time hopping Aloha MAC protocols by theoretical analysis and simulations. The first part of our research formulates the multiple access collision problem raised from the ARGOS satellite telemetry system. We analyze the factors that affect the performance of the system and derive the mathematical model. We simulate the system and generate valuable performance results for design purpose. In the second part of the thesis, we extend our research to sensor networks with Impulse Radio Ultra WideBand (IR- UWB) physical layer defined in IEEE802.15.4a. We analyze and model the time hopping Aloha MAC protocol and verify the results with simulations using NS-2 network simulator.en
dc.identifier.urihttp://hdl.handle.net/1828/1820
dc.languageEnglisheng
dc.language.isoenen
dc.rightsAvailable to the World Wide Weben
dc.subjectCommunicationsen
dc.subjectSystemsen
dc.subjectArgosen
dc.subjectWSNsen
dc.subject.lcshUVic Subject Index::Sciences and Engineering::Engineeringen
dc.titlePerformance analysis of MAC protocols for wireless sensor networks.en
dc.typeThesisen

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