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The paper presents a new model of sensing coverage, supposed to achieve a better efficiency of energy utilization for remote sensing, by using an adaptable radii and angles algorithm. Coverage areas of circular sector shapes, adapted to the residual energy available, are used. The model was first introduced by the authors. The algorithm is intended to optimize the energy used for sensing, in order to extend the life of the sensor network. It does not assure a complete coverage of the area to be sensed - an NP-hard problem.
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