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NCUEIR > College of Management > Department of Information Management > Proceedings > Item 987654321/15974

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15974

Title:	Resolving Pass-Over Problem in Wireless Sensor Network
Authors:	Cheng, Rei-Heng;Wu, Tung-Kuang;Yu, Chang-Wu
Contributors:	資訊管理學系
Keywords:	Wireless sensor networks;Small world;Routing protocols;Power saving
Date:	2009-11
Issue Date:	2013-04-22T07:37:27Z
Publisher:	IEEE
Abstract:	In this work, we address the pass-over issue in wireless sensor network routing. Pass-over occurs when a query agent passes over an event agent even though the two lines cross each other, which may potentially prevent a query from finding the event. Even if the query and event agents eventually meet, the number of hop count may add up as a result of that. We tackle the problem with a variation of the Small-World Routing protocol (SWRP). The SWRP finds paths between the queries and events through recurrent propagations of weak and strong links. The operation of the protocol is simple and does not require much computational power. It turns out that by maximizing the number of weak link of the SWRP within a controlled area, we may be able to reduce the possibility of pass-over. In fact, according to our simulations the pass-over can be completely excluded from occurring. Accordingly, the proposed solution not only cut the number of hop-count, but also achieve better successful rate in finding a route between the query and event. The corresponding wireless sensor network with the proposed routing protocol is thus more power conservative and lasts longer.
Relation:	6th International Conference on Information Technology and Applications (ICITA 2009), : 234-238
Appears in Collections:	[Department of Information Management] Proceedings

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