| Publisher | Washington State University | ||
|---|---|---|---|
| Format | 260.3KB PDF | Date added | 13 Apr 2007 |
| Topics | Monitoring Systems, Mobile - Wireless Communications | ||
| Downloads | 25 | ||
This paper studies the two-tiered Wireless Sensor Network (WSN) architecture and proposes the optimal cluster association algorithm for it to maximize the overall network lifetime. A two-tiered WSN is formed by number of small Sensor Nodes (SNs), powerful Application Nodes (ANs), and Base-Stations (BSs, or gateways). SNs capture, encode, and transmit relevant information to ANs, which then send the combined information to BSs. Assuming the locations of the SNs, ANs, and BSs are fixed, the paper considers how to associate the SNs to ANs such that the network lifetime is maximized while every node meets its bandwidth requirement.
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