| Publisher | Dartmouth College | ||
|---|---|---|---|
| Format | 304.1KB PDF | Date added | 23 Aug 2007 |
| Topics | Switching, Scalability, Mobile - Wireless Communications | ||
| Downloads | 6 | ||
This paper discusses online power-aware routing in large wireless ad-hoc networks for applications where the message sequence is not known. The paper seeks to optimize the lifetime of the network. The paper shows that online power-aware routing does not have a constant competitive ratio to the off-line optimal algorithm. This paper develops an approximation algorithm called max-min zPmin that has a good empirical competitive ratio. To ensure scalability, the paper introduces a second online algorithm for power-aware routing. This hierarchical algorithm is called zone-based routing.
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