Abstract:

Aiming at the problem that the traditional energy-aware OLSR protocol cannot reduce transmission power consumption and balance the residual energy between nodes at the same time, we develop a new routing protocol called OLSR routing protocol based on residual energy ratio and transmission power consumption (OLSR_RC ). A composite energy cost involving the above two indicators is constructed, and is used as a routing metric. On one hand, the OLSR_RC protocol reduces the total power consumption of the entire network. On the other hand, it prevents the energy of the lowenergy nodes from being depleted rapidly. In addition, we adopt the hybrid ARIMAANN model for forecasting residual energy level of the nodes, which can reduce the influence on route selection caused by topology control(TC) message loss. The new routing protocol has wide application prospects in wireless sensor networks.

Key words: OLSR routing；energy-aware；composite energy metrics；hybrid ARIMA-ANN model