Navigating actors in mobile sensor actor networks

Authors:
Ozcan Koc;Chaiporn Jaikaeo;Chien-Chung Shen
Affiliations:
University of Delaware, Newark, DE;Kasetsart University, Bangkok, Thailand;University of Delaware, Newark, DE
Venue:
Proceedings of the First ACM workshop on Sensor and actor networks
Year:
2007

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Abstract

Sensor actor networks (SANET) are composed of (mobile) sensors and actors which coordinate via wireless communications to perform distributed sensing and acting tasks. This paper investigates the issue of navigating mobile actors within a mobile SANET in response to dynamic sensing events so as to optimize specific networking performance and/or to balance the actuation workload. In particular, we describe a polynomial-time algorithm that computes an optimal position, in terms of the minimum average hop-count, in a SANET of stationary sensors with complete location information. We then extend the theoretical results tostudy online scenarios and describe heuristic navigation algorithms that continuously compute mobile actors' trajectories by having both the actors and the sensors participate in the trajectory computation. Simulation results demonstrate the effectiveness of the proposed navigation algorithms.