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The cognitive radio paradigm is based on the ability of sensing the radio environment in order to make informed decisions. This paper describes the effects of sensing on the cognitive radio channels capacity region. Sensing is modeled as a compression channel, which results in partial knowledge of the primary messages at the cognitive transmitter. This model enables to impose constraints on the sensing strategy. First, the dirty paper channel...
52 p dtu 16/05/2012 164 3
Từ khóa: Theory, radio channels, cognitive radio paradigm, radio environment, Sensing, channel encoder,