政大機構典藏-National Chengchi University Institutional Repository(NCCUR):Item 140.119/75280

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题名:	Popularity spray and utility-based forwarding scheme with message priority scheduling in delay tolerant networks
作者:	Tsai, Tzu-Chieh 蔡子傑 Chen, Ying Ming 陳英明
贡献者:	資科系
关键词:	Resource allocation;Scheduling;Wireless networks;Better performance;Delaytolerant networks (DTNs);Delivery performance;Forwarding strategies;priority;Priority scheduling;routing;Three-phase algorithms;Delay tolerant networks
日期:	2013-11
上传时间:	2015-05-21 17:25:45 (UTC+8)
摘要:	Delay Tolerant Networks (DTNs) use the "Store-Carry-then-Forward" approach to deliver the message to the destinations. It relies on the intermittent link that occurs when two nodes contact with each other due to mobility. In this paper, we propose a three-phase algorithm (SFMS: Spray and Forwarding scheme with Message Scheduling) that integrates the concepts of flooding-based and forwarding-based protocols, and considers message priority. The idea of SFMS is to periodically predict the contact popularity and contact association among nodes, such that we can determine the fast message spraying and efficient forwarding strategy. Furthermore, we propose a message scheduling mechanism to enhance the resource allocation. Simulation results show that our scheme has a better performance for delivering message. Besides, it also achieves a differential delivery performance for different priorities of message while maintaining a better resource allocation. © 2013 ACM.
關聯:	MobiWac 2013 - Proceedings of the 11th ACM International Symposium on Mobility Management and Wireless Access, Co-located with ACM MSWiM 2013, 類別編號105135, 代碼 101340, 25-28
数据类型:	article
DOI 連結:	http://dx.doi.org/10.1145/2508222.2508242
DOI:	10.1145/2508222.2508242
显示于类别:	[資訊科學系] 期刊論文

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