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Poster Abstract : A sensor network for compression and streaming of GPS trajectory data

By Tim Wark, Chris Crossman, Phil Valencia, Peter Corke, Greg Bishop-Hurley and Dave Swain


We present the design and deployment results for PosNet - a large-scale, long-duration sensor network that gathers summary position and status information from mobile nodes. The mobile nodes have a fixed-sized memory buffer to which position data is added at a constant rate, and from which data is downloaded at a non-constant rate. We have developed a novel algorithm that performs online summarization of position data within the buffer, where the algorithm naturally accommodates data input and output rate mismatch, and also provides a delay-tolerant approach to data transport. The algorithm has been extensively tested in a large-scale long-duration cattle monitoring and control application.\ud \u

Topics: 090600 ELECTRICAL AND ELECTRONIC ENGINEERING, compression, delay tolerance, mobility
Publisher: ACM
Year: 2008
DOI identifier: 10.1145/1460412.1460492
OAI identifier:
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