%0 Journal Article %T Underwater Acoustic Wireless Sensor Networks: Advances and Future Trends in Physical, MAC and Routing Layers %A Salvador Climent %A Antonio Sanchez %A Juan Vicente Capella %A Nirvana Meratnia %A Juan Jose Serrano %J Sensors %D 2014 %I MDPI AG %R 10.3390/s140100795 %X This survey aims to provide a comprehensive overview of the current researchon underwater wireless sensor networks, focusing on the lower layers of the communicationstack, and envisions future trends and challenges. It analyzes the current state-of-the-art onthe physical, medium access control and routing layers. It summarizes their security threadsand surveys the currently proposed studies. Current envisioned niches for further advances inunderwater networks research range from efficient, low-power algorithms and %K underwater sensor networks %K survey %K future trends %K physical layer %K mediumaccess control layer %K routing layer %K security %U http://www.mdpi.com/1424-8220/14/1/795