Intelligent AUV-Assisted Heterogeneous Underwater Acoustic Sensor Networks

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The UnderWater acoustic Sensor Network (UWSN) is an emerging networking platform that promises a wide range of potential applications, ranging from environmental monitoring, industrial instrumentation monitoring and control, to military surveillance and security monitoring. The advancement of UWSN study is further augmented by the recent increasing interest and engineering activity in the design and deployment of AUVs (Autonomous Unmanned Vehicles), which has required that UWSNs incorporate mobility properties. The use of AUV (or groups of AUVs) will facilitate network deployment strategy, maximize network coverage, and enable high-speed networking; however, it also raises new challenges for localization and synchronization, route planning, medium access control, coordinated estimation, and network connectivity due to the sparse deployment, low communication bandwidth, large propagation delay and delay variation, frequency dependent attenuation, strong multi-path and Doppler effects, and long reach of the acoustic signals of the UWSNs.