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Characterization of Network Inaccessibility in IEEE 802.15.4 Wireless Networks

2013-01-17T10:49:45ZRelatório Acesso aberto
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dc.contributor.authorRufino, Josépor
dc.contributor.authorSouza, Jeferson Luiz Rodriguespor
dc.date.accessioned2013-01-17T10:49:45Zpor
dc.date.accessioned2014-11-14T16:24:11Z
dc.date.available2013-01-17T10:49:45Zpor
dc.date.available2014-11-14T16:24:11Z
dc.date.issued2013-01-17T10:49:45Zpor
dc.description.abstractWireless communications are vulnerable to the presence of errors during the network operation. These errors may be originated from different sources such as external electromagnetic interferences, obstacles in communication path, or even glitches in the communication circuitry. Such origins may lead the medium access control (MAC) layer to deviate from its normal operation (without presence of errors), forcing the execution of additional actions to maintain the network operational. The execution of such actions may imply the occurrence of periods of "communication silence", where the network, although not being failed, is not performing communications. These periods of ``communication silence" are dubbed network inaccessibility, which may induce inaccurate fault detections and deadline misses. Additionally, the occurrence of network inaccessibility may compromise network properties such as predictability, dependability, and timeliness. Thus, this report presents an exhaustive study about network inaccessibility, using the 802.15.4 standard as a case study. All network inaccessibility scenarios are presented, discussing important steps to achieve predictability, dependability, and timeliness in wireless communications.por
dc.description.sponsorshipThis work was partially supported by EC, through project IST-STREP-288195 (KARYON) and by FCT through the Multiannual Funding and CMU-Portugal Programs and the Individual Doctoral Grant SFRH/BD/45270/2008.por
dc.identifier.urihttp://hdl.handle.net/10451/14242por
dc.identifier.urihttp://repositorio.ul.pt/handle/10455/6898por
dc.language.isoengpor
dc.relation.ispartofseries2013;01por
dc.subjectwireless communicationspor
dc.subjectwireless sensor and actuator networkspor
dc.subjecttimelinesspor
dc.subjectnetwork inaccessibilitypor
dc.subjectreal-timepor
dc.subjectdependabilitypor
dc.titleCharacterization of Network Inaccessibility in IEEE 802.15.4 Wireless Networkspor
dc.typereport
dspace.entity.typePublication
rcaap.rightsopenAccesspor
rcaap.typereportpor

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