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Hierarchical Service-Oriented Routing of Queries in Wireless Sensor Networks
- Author(s)
- Tatek, Seifu
- Department
- 일반대학원 컴퓨터공학과
- Publisher
- The Graduate School, Ajou University
- Publication Year
- 2010-02
- Language
- eng
- Alternative Abstract
- Routing queries from a base station to a particular WSN node is preferable when it is done in a content oriented manner. Previously proposed query routing schemes are either not content based or lack to take advantage of a hierarchical organization of the network when they are content based. In this paper, we propose a hierarchical, service oriented routing scheme to achieve data centric routing of queries in wireless sensor networks. The routing scheme works by first forming clusters of the nodes based on various parameters that will eventually be used to form a query. We use an extended version of LEACH to organize the network into hierarchical clusters. The queries are then routed through the cluster heads to eventually reach the specific nodes that can provide the requested service. Our approach saves energy, extends network lifetime, does away with the need to duplicate a routing table on each node and improves the latency in routing queries.
- Fulltext
- Appears in Collections:
- Graduate School of Ajou University > Department of Computer Engineering > 3. Theses(Master)
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