M. Barandl and A. Kos (Austria)
Wireless sensor network, ad hoc routing, pheromone based routing
This paper provides a concept for a Wireless Sensor Network (WSN) routing protocol, the Pheromone-based Routing Strategy (PRS). PRS is based on the characteristic of ants to always choose the way of the higher pheromone level. The advantage of PRS over conventional protocols is the consideration of the sensor nodes’ energy status, as well as the received signal strength and current buffer (sensor on board memory) fill level in its routing costs. This paper includes a strategy for synchronization as well. It is necessary for a node to synchronize the time slots for communication with all other member nodes of the network. Only in the common communication time slots is a transmission of data possible. The remaining time, the sensor nodes are in a low power mode, with their transceiver device disabled. A comparison to conventional protocols helps to see the benefits of this light weight approach to routing in WSNs. The routing and synchronization mechanism was developed by simulation with a multi-agent programming language and modeling environment. The created model can be used for testing and studying of Wireless Sensor Networks.
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