NDLI: BBS: An Energy Efficient Localized Routing Scheme for Query Processing in Wireless Sensor Networks

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BBS: An Energy Efficient Localized Routing Scheme for Query Processing in Wireless Sensor Networks

Content Provider	CiteSeerX
Author	Lian, Jie Chen, Lei Naik, Kshirasagar Özsu, M. Tamer Agnew, Gordon B.
Abstract	Abstract – A wireless sensor network (WSNET) can support various types of queries. The energy resource of sensors constrains the total number of query responses, called query capacity, received by the sink. There are four problems in the existing approaches for energy-efficient query processing in WSNETs: (i) the fact that sensors near the sink drain their energy much faster than distant sensors has been overlooked, (ii) routing trees (RT) are rooted at the sink, and therefore, aggregative queries are less energy-efficient, (iii) data reception cost has been ignored, and (iv) flooding is used in query distribution or RT construction. In this paper, we propose a Broadcasting-Based query Scheme (BBS) to address the above problems. BBS reduces the energy depletion rate of sensors near the sink, builds different localized RTs for different query types, and eliminates the flooding cost of query distribution. Compared to the existing approaches, simulation studies show that BBS produces significant improvement in the query capacity for non-holistic queries (10%—100 % capacity improvement) and holistic queries (up to an order of magnitude of capacity improvement).
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Subject Keyword	Wireless Sensor Network Energy Efficient Localized Routing Scheme Query Processing Capacity Improvement Query Capacity Query Distribution Non-holistic Query Different Query Type Energy-efficient Query Processing Rt Construction Significant Improvement Query Response Routing Tree Distant Sensor Various Type Energy Depletion Rate Broadcasting-based Query Scheme Holistic Query Data Reception Cost Simulation Study Different Localized Rts Energy Resource Aggregative Query
Content Type	Text

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