| Publisher | University of Athens | ||
|---|---|---|---|
| Format | 230.3KB PDF | Date added | 28 Feb 2007 |
| Topics | Monitoring Systems, Mobile - Wireless Communications, Wireless | ||
| Downloads | 47 | ||
Wireless Sensor Networks (WSN) comprises a fast-developing research area with a vast spectrum of applications. A WSN design is influenced by many factors such as transmission errors, network topology and power consumption. Consequently, developing a WSN application introduces several implementation challenges. This paper describes a multi-criteria architecture in order to achieve energy-aware and consistent message forwarding over a WSN. Using the proposed architecture a Directed Acyclic Graph (DAG) is formed throughout the WSN. Such DAG is used for multi-source data aggregation to a single sink. Intermediate nodes evaluate their energy reserve and induced error and decide whether message retransmission is needed.
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