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Performance analysis of the contention access period in the slotted IEEE 802.15.4 for wireless body sensor networks

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dc.contributor.advisorKhaled, Nadia
dc.contributor.authorAymerich de Franceschi, Manuel
dc.contributor.departamentoUC3M. Departamento de Teoría de la Señal y Comunicacioneses
dc.date.accessioned2009-11-30T16:22:28Z
dc.date.available2009-11-30T16:22:28Z
dc.date.issued2009-05
dc.date.submitted2009-05-21
dc.description.abstractWireless body sensor networks (WBSN) are a particular type of wireless sensor networks (WSN) that are becoming an important topic in the technological research community. Advances in the reduction of the power consumption and cost of these networks have led to solutions mature enough for their use in a broad range of applications such as sportsman or health monitoring. The development of those applications has been stimulated by the nalization of the IEEE 802.15.4 standard, which de nes the medium access control (MAC) and physical layer (PHY) for low-rate wireless personal area networks (LR-WPAN). One of the MAC schemes proposed is slotted Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA). This project analyzes the performance of this MAC, based on a state-of-the-art analytical model for a star topology, which captures the behavior of the MAC using two Markov chain models; the per-node state model and the channel state model. More importantly, we extend this model to include acknowledged tra c. The impact of including acknowledgments is evaluated in terms of energy consumption, throughput and latency. The performance predicted by the analytical model has been extensively veri ed with simulations using the ns-2 IEEE 802.15.4 contributed module. Throughput, energy consumption and latency analysis is performed. Additionally, we have simulated a statistical channel model describing the radio channel behavior around the human body to calculate the packet error rate (PER) found in a typical WBSN under the aforementioned standard. This PER is then introduced into our analytical model.
dc.description.degreeIngeniería de Telecomunicación
dc.format.mimetypeapplication/pdf
dc.identifier.urihttps://hdl.handle.net/10016/5879
dc.language.isoeng
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.ecienciaTelecomunicaciones
dc.subject.otherRedes de comunicación
dc.subject.otherRadiocomunicación
dc.subject.otherRedes inalámbricas
dc.titlePerformance analysis of the contention access period in the slotted IEEE 802.15.4 for wireless body sensor networks
dc.typemaster thesis*
dspace.entity.typePublication
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