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The number of wireless networks that coexist in space is increasing steeply. To allow coexistence while avoiding interference, it becomes important to properly characterize the propagation contour where the received power of wireless transmitters reaches a certain threshold. Detailed channel modeling taking into account the specificities of typical urban scenarios is however a very complex task. Thanks to the widespread use of wireless access technology, it becomes feasible to use network nodes to estimate and communicate these propagation contours. In this paper, the authors propose a lightweight practical scheme for local contour estimation of a given transmitter.
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