Design and Realization of sensor nodes for dense underwater wireless sensor networks

High cost and high power consumption of underwater acoustic modem have limited the applications and researches of underwater wireless sensor networks (UWSN). This paper presents a node architecture and its low-cost realization to deal with such problems as high cost, high power consumption, large volume, and relative localization in a dense UWSN. Some fundamental functions like short range underwater acoustic communication, relative range measurement, localization among the nodes are realized. And the experimental results show the nodes can meet the basic requirements of the dense UWSN research.

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