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標題Title: Wireless Sensor Networks for Surveillance Applications – A Comparative Survey of MAC Protocols
作者Authors: 洪榮鍾
上傳單位Department: 資訊管理系
上傳時間Date: 2010-9-23
上傳者Author: 洪榮鍾
審核單位Department: 資訊管理系
審核老師Teacher: 陳偉業
檔案類型Categories: 研究生論文報告Thesis
關鍵詞Keyword: Wireless Sensor Networks, MAC protocols, real-time communication, Quality of Service, energy-awareness.
摘要Abstract: Wireless sensor nodes are made up of small electronic devices which are capable of sensing, computing and transmitting data from harsh physical
environments. These sensor nodes depend on batteries for energy, which get depleted at a fast rate because of the computation and communication operations these nodes have to perform. A well designed MAC (Medium
Access Control) protocol can prolong the network life. A set of previously reported MAC layer protocols has abilities to achieve some energy efficiency. In this paper, we first describe some assumptions made for the specific application area of surveillance applications. Then, we compare a set of MAC protocols in terms of their suitability to be used in wireless sensor networks for this type of applications. In addition to energy efficiency, keeping the delays reasonably low is a crucial factor when sensing and reporting an event.

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2010_9_d5c87cdc.ppt 230Kb ppt 316 139
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