Integration of sensing and computing in an intelligent decision support system for homeland security defense

Qishi Wu, Michelle Zhu, Nageswara S.V. Rao

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Abstract

We propose an intelligent decision support system based on sensor and computer networks that incorporates various component techniques for sensor deployment, data routing, distributed computing, and information fusion. The integrated system is deployed in a distributed environment composed of both wireless sensor networks for data collection and wired computer networks for data processing in support of homeland security defense. We present the system framework and formulate the analytical problems and develop approximate or exact solutions for the subtasks: (i) sensor deployment strategy based on a two-dimensional genetic algorithm to achieve maximum coverage with cost constraints; (ii) data routing scheme to achieve maximum signal strength with minimum path loss, high energy efficiency, and effective fault tolerance; (iii) network mapping method to assign computing modules to network nodes for high-performance distributed data processing; and (iv) binary decision fusion rule that derive threshold bounds to improve system hit rate and false alarm rate. These component solutions are implemented and evaluated through either experiments or simulations in various application scenarios. The extensive results demonstrate that these component solutions imbue the integrated system with the desirable and useful quality of intelligence in decision making.

Original languageEnglish
Pages (from-to)182-200
Number of pages19
JournalPervasive and Mobile Computing
Volume5
Issue number2
DOIs
StatePublished - 1 Jan 2009

Fingerprint

Homeland Security
National security
Decision Support Systems
Decision support systems
Computer networks
Sensing
Computer Networks
Integrated System
Information fusion
Computing
Sensors
Distributed computer systems
Routing
Fault tolerance
Decision Fusion
Sensor networks
Energy efficiency
Wireless sensor networks
Sensor
Fusion Rule

Keywords

  • Data routing
  • Distributed computing
  • Dynamic programming
  • Intelligent decision support system
  • Sensor deployment
  • Sensor fusion

Cite this

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Integration of sensing and computing in an intelligent decision support system for homeland security defense. / Wu, Qishi; Zhu, Michelle; Rao, Nageswara S.V.

In: Pervasive and Mobile Computing, Vol. 5, No. 2, 01.01.2009, p. 182-200.

Research output: Contribution to journalArticleResearchpeer-review

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