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http://dx.doi.org/10.3745/KIPSTC.2006.13C.1.103

Energy Efficient Two-Tier Routing Protocol for Wireless Sensor Networks  

Ahn Eun-Chul (삼성전자 정보통신총괄)
Lee Sung-Hyup (경북대학교 정보통신학과)
Cho You-Ze (경북대학교 전자전기컴퓨터학부)
Publication Information
The KIPS Transactions:PartC / v.13C, no.1, 2006 , pp. 103-112 More about this Journal
Abstract
Since sensor node has a limited energy supply in a wireless sensor network, it is very important to maximize the network lifetime through energy-efficient routing. Thus, many routing protocols have been developed for wireless sensor networks and can be classified into flat and hierarchical routing protocols. Recent researches focus on hierarchical routing scheme and LEACH is a representative hierarchical routing protocol. In this paper, we investigated the problems of the LEACH and proposed a novel energy efficient routing scheme, called ENTER(ENergy efficient Two-tiEr Routing protocol), to resolve the problem. ENTER reduces an energy consumption and increases a network lifetime by organizing clusters by the same distributed algerian as in the LEACH and establishing paths among cluster-heads to transmit the aggregated data to the sink node. We compared the performance of the ENTER with the LEACH through simulation and showed that the ENTER could enhance the network lifetime by utilizing the resources more efficiently.
Keywords
Sensor Networks; Hierarchical Routing; Clustering; Energy Efficiency; Network Lifetime;
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