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dc.contributor.authorHsu, Mark Chih-Weien_US
dc.contributor.authorHsieh, Tien-Yuanen_US
dc.date.accessioned2019-04-02T06:04:21Z-
dc.date.available2019-04-02T06:04:21Z-
dc.date.issued2013-01-01en_US
dc.identifier.issn1550-2252en_US
dc.identifier.urihttp://hdl.handle.net/11536/150626-
dc.description.abstractA significant issue in VANETs (Vehicular Ad Hoc Networks) is the design of an effective MAC (Medium Access Control) or broadcast scheme which can facilitate the fast and reliable dissemination of critical safety messages to neighboring vehicles in case of an unexpected event. Broadcasting of data and control packets is expected to be crucial in vehicular environment. Most of the broadcasting packet is designed to be delivered on a given frequency during the control channel (CCH) interval set by the IEEE 1609.4 standard [1] (which provides enhancements to the IEEE 802.11p MAC by supporting multi-channel operation). In this paper, the probability based MAC channel congestion control mechanism is developed to cope with rapid topology changes, i.e., vehicles entering and leaving the network, as well as overloaded situations in terms of increased number of vehicles and/or increased amount of data traffic injected without collapsing. Method is also based on the estimation of potential neighboring vehicles through broadcasting Hello messages, and then based on probability model to calculate the expected offset slots for reduce the collision situations, and thus improve transmission performance.en_US
dc.language.isoen_USen_US
dc.subjectVANETsen_US
dc.subjectMACen_US
dc.subjectBroadcasten_US
dc.titleA Probability Based MAC Channel Congestion Control Mechanism for VANETen_US
dc.typeProceedings Paperen_US
dc.identifier.journal2013 IEEE 77TH VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING)en_US
dc.contributor.department資訊工程學系zh_TW
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.identifier.wosnumberWOS:000331081500031en_US
dc.citation.woscount0en_US
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