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Localization-Oriented Coverage in Wireless Camera Sensor Networks

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3 Author(s)
Liang Liu ; Dept. of Electr. & Comput. Eng., Texas A&M Univ., College Station, TX, USA ; Xi Zhang ; Huadong Ma

In this paper, we investigate the coverage problem from the perspective of target localization for wireless camera sensor networks. We first propose a novel localization-oriented sensing model based on the perspective projection of camera sensors. Based on the sensing model, we propose a new notion of coverage, Localization-oriented coverage (L-coverage for short), by using Bayesian estimation theory. Furthermore, we analyze the relationship between the density of camera sensors and the L-coverage probability under random deployment where camera sensors are deployed according to a 2-dimensional Poisson process. According to the relationship between the density of camera sensors and the L-coverage probability, we derive the density requirements for an expected L-coverage probability. We validate and evaluate our proposed models and schemes by simulations.

Published in:

Wireless Communications, IEEE Transactions on  (Volume:10 ,  Issue: 2 )