| Publisher | Virginia Tech | ||
|---|---|---|---|
| Format | 178.1KB PDF | Date added | 21 Nov 2005 |
| Topics | Switching, Monitoring Systems, Mobile - Wireless Communications | ||
| Downloads | 65 | ||
Energy constraints have had a significant impact on the design and operation of wireless sensor networks. This paper investigates base station selection (or anycast) problem in wireless sensor networks. A wireless sensor network having multiple base stations (data sink nodes) is considered where each source node must send all its locally generated data to only one base station. To maximize the network lifetime, it is essential to optimally match each source node to a particular base station in addition to finding an optimal routing solution. The paper also proposes a polynomial time heuristic for optimal base station selection for anycast via a sequential fixing procedure, under the assumption that the bit rate from each source node is constant.
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