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", "tags": [], "relations": {}, "dateAdded": "2013-02-23T13:37:33Z", "dateModified": "2013-02-23T13:37:33Z" } }, { "key": "IWN5AVP5", "version": 2, "library": { "type": "group", "id": 150585, "name": "formation du 23-2", "links": { "alternate": { "href": "https://www.zotero.org/groups/formation_du_23-2", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/150585/items/IWN5AVP5", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/formation_du_23-2/items/IWN5AVP5", "type": "text/html" } }, "meta": { "createdByUser": { "id": 1312114, "username": "ELHANAFI Samira", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/elhanafi_samira", "type": "text/html" } } }, "creatorSummary": "Khan et al.", "parsedDate": "2012", "numChildren": 0 }, "data": { "key": "IWN5AVP5", "version": 2, "itemType": "conferencePaper", "title": "Probabilistic Bandwidth Assignment in Wireless Sensor Networks", "creators": [ { "creatorType": "author", "firstName": "Dawood", "lastName": "Khan" }, { "creatorType": "author", "firstName": "Bilel", "lastName": "Nefzi" }, { "creatorType": "author", "firstName": "Luca", "lastName": "Santinelli" }, { "creatorType": "author", "firstName": "Ye-Qiong", "lastName": "Song" }, { "creatorType": "editor", "firstName": "K", "lastName": "Wang, X.; Zheng, R.; Jing, T.; Xing" } ], "abstractNote": "With this paper we offer an insight in designing and analyzing wireless sensor networks in a versatile manner. Our framework applies probabilistic and component-based design principles for the wireless sensor network modeling and consequently analysis; while maintaining flexibility and accuracy. In particular, we address the problem of allocating and reconfiguring the available bandwidth. The framework has been successfully implemented in IEEE 802.15.4 using an Admission Control Manager (ACM); which is a module of the MAC layer that guarantees that the nodes respect their probabilistic bandwidth assignment as well as the bandwidth assignment policy applied. The proposed framework also aims to accurately analyze the behaviors of communication protocols for energy-consumption and reliability purposes. We evaluate the probabilistic bandwidth assignment methods using CSMA/CA access protocol of IEEE 802.15.4. Furthermore, we analyze the behavior of the ACM and compare the performance of the network with and without using the ACM against the original standard. 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Rate control transport protocols, the candidates for multimedia streaming applications suffer from high loss rates and end-to-end delay in MHWNs. A common research direction is that the rate control mechanisms at transport layer should be aware of MAC layer contention to keep the network load at a reasonable level. In this paper, we introduce a new MAC metric which reflects the contention and congestion levels more accurately. The metric is then used to improve the rate control mechanism of a rate-based transport protocol in MHWNs. The simulation results show that the adapted mechanism introduces significant performance improvement in MHWNs.", "proceedingsTitle": "Proc. of Personal Indoor and Mobile Radio Communications (PIMRC), 2012 IEEE 23rd International Symposium on", "conferenceName": "", "publisher": "", "place": "Sydney, Australie", "date": "septembre 2012", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "1436 - 1441", "series": "", "seriesNumber": "", "DOI": "", "ISBN": "", "citationKey": "", "url": "http://hal.archives-ouvertes.fr/hal-00781255", "accessDate": "2013-02-23T09:58:46Z", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "Anglais", "libraryCatalog": "HAL Archives Ouvertes", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [ "6HWGZ4K3" ], "relations": {}, "dateAdded": "2013-02-23T13:37:33Z", "dateModified": "2013-02-23T13:37:33Z" } }, { "key": "R2AHP72Z", "version": 2, "library": { "type": "group", "id": 150585, 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