Abstract
Autonomous wireless devices such as sensor nodes and stereo cameras, due to their low cost of operation coupled with the potential for remote deployment, have found a plethora of applications ranging from monitoring air, soil and water to seismic detection and military surveillance. Typically, such a network spans a region of interest with the individual nodes cooperating to detect events and disseminate information. Given a deployment of sensors and targets over a region, a sensor pairing is desired for each target that optimizes the coverage under certain constraints. This problem can be modeled as an integer programming problem and solved using branch-and-cut. For larger problems, it is necessary to limit the number of variables, and a GRASP routine was developed for this purpose. Valid cutting planes are developed and computational results presented.
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Research supported in part by NSF grant numbers DMS–0317323 and CMS–0301661.
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Al Hasan, M., Ramachandran, K.K. & Mitchell, J.E. Optimal placement of stereo sensors. Optimization Letters 2, 99–111 (2008). https://doi.org/10.1007/s11590-007-0046-5
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DOI: https://doi.org/10.1007/s11590-007-0046-5