Underwater Acoustic Networks

With the advances in acoustic modem technology that enabled high-rate reliable communications, current research focuses on communication between various remote instruments with in a network environment. Underwater acoustic (UWA) are generally formed by acoustically connected ocean-bottom sensors, autonomous under water vehicles, and a surface station which provides a link to on-shore control center. Underwater Acoustic networks (UANs) are very unique and can be deployed for commercial and military applications. The research of UANs attracts increasing attention in recent years. This survey paper first introduces the concept of UANs and also focus on some practical and potential research issues of UANs, ranging from energy saving and deployment to different layers. Suggestions and solutions for these issues are listed.