The Architecture of Surface Gateway for Underwater Acoustic Sensor Networks

Recently, the importance of a water resource is highly concerned. Therefore, Underwater Wireless Sensor Networks (UASNs) technologies are vigorously studied for monitoring underwater environment. The UASNs gather various underwater environmental data that should be delivered to a Monitoring Center where nearby or far from UASNs are deployed. To deliver data form underwater to the Monitoring Center or vice versa, a surface gateway should change acoustic signal to RF (Radio Frequency) signal. Depends on the service requirement, the surface gateway can adopt various wireless communication channels such as Cellular network, Zigbee and so on. In this paper, we propose the architecture of surface gateway that has several wireless communication channels and communication protocol.