Designing a data fusion system using a top-down approach

  • Authors:
  • Jared Holsopple;Shanchieh Jay Yang

  • Affiliations:
  • CUBRC, Buffalo, NY;Rochester Institute of Technology, Department of Computer Engineering, Rochester, NY

  • Venue:
  • MILCOM'09 Proceedings of the 28th IEEE conference on Military communications
  • Year:
  • 2009

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Abstract

While there are multiple reference models for data fusion, there are no formal processes in which to design a complete fusion system. Even though high-level fusion, i.e., impact and threat assessment, is included in the various models, the majority of data fusion research has focused on low-level data fusion such as sensing and correlation. More importantly, low-level fusion technologies have been designed without detailed consideration of threat and impact assessment requirements. On the other hand, high-level designs are restricted by the available data from low-level systems. This disconnected practice has presented tremendous challenges for designing an effective overall fusion system that would truly enhance situation awareness. This paper proposes a top-down fusion system design process in which the elements needed for situation awareness will drive the design requirements for environment/terrain models, impact and threat assessment, event correlation and tracking, observable definitions, and sensing. The discussion will be complemented with examples from the cyber security domain.