Undersea Networked Acoustic Communication and Navigation for Autonomous Mine-Countermeasure Systems
Rice, Joseph A.
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Telesonar underwater acoustic modem technology has attained a level of maturity sufficient to support undersea wireless communication networks, as dramatically demonstrated during Fleet Battle Experiment India (FBE-I) in June 2001. Telesonar network development is following a concept of operations called seaweb. The seaweb blueprint is tailored for battery-limited network nodes composing wide-area (order 100-10,000 km2) sensor grids. Seaweb already enables the development of littoral surveillance systems such as the Deployable Autonomous Distributed System (DADS) and continental-shelf observatories such as the Front-Resolving Oceanographic Network with Telemetry (FRONT). Seaweb networking provides acoustic ranging, localization, and navigation functionality, and supports the participation of mobile nodes as members of the wide-area network. These mobile platforms include manned submarines and unmanned undersea vehicles (UUVs) that crawl, swim, glide, and drift. Seaweb supports expeditionary operations in contested waters, with communication gateways to manned command centers submerged, afloat, aloft, ashore, and afar. The seaweb wireless infrastructure naturally extends into mined areas, providing cross-platform, cross-mission interoperability with anti-submarine-warfare (ASW), intelligence-surveillance-reconnaissance (ISR), and meteorologyoceanography (METOC) systems. This paper introduces seaweb to the minecountermeasures (MCM) community, and addresses the communication and navigation issues associated with autonomous sensors and UUVs.
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