Underwater Vehicles and Communication Systems

Oceans cover most of Earth's surface yet remain difficult to monitor continuously, and a growing body of engineering research addresses how robotic vehicles and sensor networks can operate reliably beneath the water. Unlike radio waves, which attenuate rapidly underwater, acoustic signals carry data across meaningful distances, but the ocean channel introduces significant distortion through multipath propagation, Doppler shifts, and time-varying salinity and temperature gradients. Autonomous underwater vehicles and gliders now collect oceanographic data across wide areas, yet coordinating them efficiently depends on solving hard problems in localization—determining where a vehicle actually is without GPS—and in routing sensor data through sparse, energy-constrained networks. Active research directions include building more accurate channel models that account for real ocean variability, and designing communication protocols that extract useful range and position information while conserving the limited battery power on which these platforms depend.

Works

64,746

Total citations

493,841

Keywords

Underwater Acoustic Sensor NetworksAcoustic CommunicationsUnderwater GlidersAutonomous Underwater VehiclesLocalization TechniquesWireless Sensor Networks