Information Exchange Requirements for Networked Underwater Warfare


  1. Lefrançois, M.
Corporate Authors
Defence R&D Canada - Atlantic, Dartmouth NS (CAN)
It is widely assumed that sharing information between individual platforms using tactical networks will improve the accuracy of the Common Operating Picture (COP). This interest is based on the belief that task group effectiveness increases with the amount of shared information. This is true only if the information exchange requirements are carefully considered. Not only is the correct information required at the right time but the weight in importance of one information type versus another must be considered when allocating communication resources. The scope here has been limited to the formation of the Underwater Picture in an Anti- Submarine Warfare (ASW) scenario. The information content requirement is addressed with the definition of twelve types of information, each described in detail. This information contains tactical command and control type information as well as sensor information used to process sonar signals and form the COP. The detail goes beyond the present command and control data available in existing communications like Link 11 and OTH Gold. Instead, an IP based network with information push-pull capability is envisioned. This network will operate with a limited bandwidth in Defence R&D Canada – Atlantic’s Networked Underwater Warfare Technology Demonstration Project. So, rather than transmitting everything, careful choices must be made and priorities and urgency must be considered. An analysis of an ASW operation is presented showing the relative impo

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Networking;Underwater Warfare;Data Sharing;Operational Requirements;Planning tools;Common Operating Picture (COP)
Report Number
DRDC-ATLANTIC-TM-2004-168 — Technical Memorandum
Date of publication
01 Aug 2004
Number of Pages

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