NDLI: Querying sensor networks using ad-hoc mobile devices: a two layer networking approach 1.

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Querying sensor networks using ad-hoc mobile devices: a two layer networking approach 1.

Content Provider	CiteSeerX
Author	Tian, Shourui Shatz, Sol M. Yu, Yang Li, Juzheng
Abstract	Abstract—An interplay between mobile devices and static sensor nodes is envisioned in the near future. This will enable a heterogeneous design space that can offset the stringent resource and power constraints encountered in traditional static sensor networks by taking advantage of the more powerful mobile devices. We present a systematic framework for end-to-end query processing, using a two-layer architecture that consists of mobile devices at the upper layer and static sensor nodes at the bottom layer. The framework employs a “PULL ” query model that contains staged operations including query generation, query routing, query injection, and query result routing. Each of these stages of query processing is discussed with an emphasis on techniques for energyefficient query injection and query result routing with location-ignorant sensor nodes. The techniques leverage the mobility and transmission flexibility of mobile objects at the upper layer. Numeric and simulation results are provided to support the proposed methods. Index Terms—mobile objects, opportunistic query processing, sensor networks. 1
File Format	PDF
Access Restriction	Open
Subject Keyword	Layer Networking Approach Static Sensor Node Mobile Device Upper Layer Mobile Object Stringent Resource Energyefficient Query Injection Power Constraint Traditional Static Sensor Network Sensor Network Near Future Pull Query Model End-to-end Query Processing Systematic Framework Index Term Mobile Object Bottom Layer Transmission Flexibility Query Result Powerful Mobile Device Location-ignorant Sensor Node Two-layer Architecture Query Routing Simulation Result Query Injection Query Generation Query Processing Opportunistic Query Processing Heterogeneous Design Space
Content Type	Text

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