Title :
The capacity region of Gaussian cognitive radio channels to within 1.81 bits
Author :
Rini, Stefano ; Tuninetti, Daniela ; Devroye, Natasha
Author_Institution :
Univ. of Illinois at Chicago, Chicago, IL, USA
Abstract :
We make use of the deterministic high-SNR approximation of the Gaussian cognitive radio channel to gain insights in deriving inner and outer bounds for any SNR. We show that the derived bounds are at most 1.81 bits apart for any SNR.
Keywords :
Gaussian channels; cognitive radio; Gaussian cognitive radio channels; high-SNR approximation; wireless technology; Cognition; Cognitive radio; Collaboration; Communication channels; Gaussian noise; Interference channels; Radio transmitters; Receivers; Telecommunication network reliability; Wireless networks;
Conference_Titel :
Information Theory (ITW 2010, Cairo), 2010 IEEE Information Theory Workshop on
Conference_Location :
Cairo
Print_ISBN :
978-1-4244-6372-5
DOI :
10.1109/ITWKSPS.2010.5503208
