A novel ranging technique based on received signal strength (RSS) and suitable to indoor scenarios is illustrated. In the proposed\r\ntechnique, multiple power measurements, associated with the signals radiated by a cluster of nodes surrounding a given target,\r\nare jointly processed to improve the quality of RSS-based estimation of the distance between the target and an anchor. Specific\r\nalgorithms for the generation of a cluster and for the acquisition of power measurements are described. Simulation results show\r\nthat, when used in indoor positioning systems, the proposed ranging technique is substantially more accurate than noncooperative\r\nstrategies. In addition, it allows to concentrate significant processing tasks in a limited number of fixed anchors, so reducing\r\nmaintenance costs and making it possible to adopt cheap and simple portable wireless nodes.
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