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Locating base-stations for video sensor networks

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5 Author(s)
Jianping Pan ; Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont., Canada ; Y. T. Hou ; Lin Cai ; Yi Shi
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For a wireless video sensor network (WiViSeN) where video nodes have been placed at some strategic locations to capture designated scenes, an immediate challenge is to locate the base-station optimally such that the network lifetime of battery-powered video nodes can be maximized. This paper presents two schemes, one centralized and the other distributed, to obtain the optimal base-station location algorithmically under the proposed definition of topological lifetime. The upper and lower bounds of maximal topological lifetime are derived to enable a quick assessment of energy provisioning feasibility and topology control necessity. In addition, the proposed research provides a foundation to introduce the relay and cluster techniques that can further prolong network lifetime.

Published in:

Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th  (Volume:5 )

Date of Conference:

6-9 Oct. 2003