Abstract
This paper introduces a power controller method for Ad Hoc On-Demand Distance Vector (AODV) reactive routing protocol. The proposed algorithm uses adaptive HELLO messages where their transmit periods are adapted according to the instantaneous energy level of the battery. By transmitting HELLO messages at calculated instant, each node stores its neighborhood energy information. The valid(safest) path between sources and destinations is calculated using route request messages. Indeed, the safest path is defined as the route with the maximum energy levels. However, the collision probability occurred by two nodes having very close energy levels is very hight. Then, we investigate, firstly, the collision occurrence probability using Markov Chain modelling of the battery discharge process. After, we introduce a collision avoidance process to a Power Controller and Reactive Routing Protocol (PC-AODV). The performance of the proposed protocol is theoretically canalised and validated by simulation.
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