An intelligent cognitive radio system is disclosed that acquires information about its environment to make operational decisions. Dynamic radio frequency mapping provides estimates of RF power levels over an area where spectrum activity or changes in the environment may be transient. These power levels can be used for a variety of applications such as interference management, spectrum policing, and facilitating spectrum auctions. The RF mapping can be accomplished by a network of sensors that are distributed in a geographical area and used to spatially sample signal levels. The present invention can quantify the effect of aliasing on the estimation of an RF map as a function of the sampling density and the number of antennas used at the sensing node.
|Original language||English (US)|
|State||Published - Sep 10 2015|