On the capacity of multi-user cognitive radio networks

Authors:
Amin Jafarian;Sriram Vishwanath
Affiliations:
Dep. of Elec. & Comp. Eng., University of Texas at Austin;Dep. of Elec. & Comp. Eng., University of Texas at Austin
Venue:
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 1
Year:
2009

Citing 6
Cited 1

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Capacity and lattice strategies for canceling known interference

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Capacity of Interference Channels With Partial Transmitter Cooperation

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Capacity of a Class of Cognitive Radio Channels: Interference Channels With Degraded Message Sets

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Algebraic lattice alignment for K-user interference channel

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Abstract

This paper studies the K 2 user cognitive radio network. In this paper, there are one licensed transmit-receive pair and K - 1 cognitive transmit-receive pairs wishing to communicate simultaneously. For the case of a class of "very strong" interference channels, this paper shows that all users can simultaneously communicate as if all cross-channels in the interference network were absent.