| Publisher | Association for Computing Machinery | ||
|---|---|---|---|
| Format | 240.0KB PDF | Date added | 25 May 2006 |
| Topics | Monitoring Systems, Storage Management, Knowledge and Data Management | ||
| Downloads | 0 | ||
Data storage has become an important issue in sensor net-works as a large amount of collected data need to be archived for future information retrieval. This paper introduces storage nodes to store the data collected from the sensors in their proximities. This paper considers the storage node placement problem aiming to minimize the total energy cost for gathering data to the storage nodes and replying queries. College of William and Mary examines deterministic placement of storage nodes and present optimal algorithms based on dynamic programming. Further, they give stochastic analysis for random deployment and conduct simulation evaluation for both deterministic and random placements of storage nodes.
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