A distributed, utility-based architecture for task assignment in tactical WSNS

Authors:
Kangyuan Zhu;Stephen D. Patek
Affiliations:
Systems and Information Engineering, University of Virginia, Charlottesville, VA;Systems and Information Engineering, University of Virginia, Charlottesville, VA
Venue:
ACM SIGBED Review - Special issue on the workshop on wireless sensor network architecture (April-2007)
Year:
2007

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Abstract

This paper develops an architecture for task assignment in wireless sensor networks in support of tactical operations. Our approach is based on a mathematical framework, which, based on multi-attribute utility theory, allows mobile end-users to easily express the value (utility) that they would attach to sensor information based on features associated with the data. We have applied the utility-based architecture framework in the design of a distributed task assignment algorithm for a simple pursuit-evasion (patrol) scenario. Simulation studies based on this scenario show that in terms of mission-level objectives utility-based task assignment can significantly improve upon a baseline solution, in which each sensor indiscriminately reports all data to all available users.