1. A method, comprising: determining, by a first radio device of a device set of radio devices, a first detection estimate for a presence of a primary radio resource user based on spectrum sensing; receiving, from a second radio device of the device set, at least one other detection estimate for the presence of the primary radio resource user; generating a detection value based at least in part on the first detection estimate and the at least one other detection estimate; and removing a radio device from the device set based on the detection value being higher than a first threshold value.