TinyOS-Based Gateway for Underwater Acoustics/Radio Frequency Communication

Currently, UWASN (Underwater Acoustic Sensor Network) has been researched as a branch of sensor networks. UWASNs use a transmission media different from terrestrial wireless sensor networks. That is, the former uses acoustic waves and the latter uses radio waves for communication. G/W (Gateway)s in UWASNs are nodes for relaying data transmission between a UWASN and a terrestrial wireless sensor network. So, it is necessary to design and realize the UWA communication module with the UWA/RF (Underwater Acoustics/Radio Frequency) protocol stack for the underwater environment. As TinyOS used most widely at operating system for sensor networks is not considering the underwater acoustic communication, the functions supported by it cannot be used. Therefore, The TinyOS-based UWA/RF G/W system and prototype suitable for the characteristic of UWASN is designed and realized in this paper.

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