A design of a WSN system for pollution monitoring and positioning based on GAF routing algorithms

The background of this paper is about water quality monitoring and pollution source positioning as the main function of telemetry for large-scale drainage basins. The paper introduces wireless sensor network technology, designs and proposes an overall architecture of a hydrologic telemetry and pollution tracking and positioning system based on the public mobile communications network, and chooses network protocols based on the GAF routing algorithm. The paper emphasizes issues when the GAF algorithm is used as routing protocols in practical application of the system such as network lifecycle, pollution source positioning, limited node energy, network quality and etc., and puts forward a preliminary solution.