2010•Unpublished venueOpen access

The impact of cognitive radio on radio astronomy

Mark Bentum, Albert‐Jan Boonstra, Willem A. Baan

Abstract

The introduction of new communication techniques requires an increase in the efficiency of spectrum usage.Cognitive radio is one of the new techniques that fosters spectrum efficiency by using unoccupied frequency spectrum for communications.However, cognitive radio will increase the transmission power density and cause an increasing level of Radio Frequency Interference (RFI), which may impact other services and particularly passive users of the spectrum.In this paper we present the principles of cognitive radio and introduce a model for its impact on radio astronomy.

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Key concepts: Cognitive radio, Radio frequency, Radio spectrum, Radio astronomy, Telecommunications, Electromagnetic interference, Computer science, Interference (communication)