IEEE Transactions on Information Theory
Cognitive radio: an information-theoretic perspective
IEEE Transactions on Information Theory
Bounds and capacity results for the cognitive Z-interference channel
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 4
On achievable rate regions for the Gaussian interference channel
IEEE Transactions on Information Theory
Achievable rates in cognitive radio channels
IEEE Transactions on Information Theory
Capacity of Interference Channels With Partial Transmitter Cooperation
IEEE Transactions on Information Theory
Capacity of a Class of Cognitive Radio Channels: Interference Channels With Degraded Message Sets
IEEE Transactions on Information Theory
Sum Capacity of One-Sided Parallel Gaussian Interference Channels
IEEE Transactions on Information Theory
On The Han–Kobayashi Region for theInterference Channel
IEEE Transactions on Information Theory
Gaussian Interference Channel Capacity to Within One Bit
IEEE Transactions on Information Theory
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We study a two-user Gaussian Z-interference channel in which only one-sided interference exists. We assume that there is a one-sided conferencing link from the interfering transmitter to the other, which can be used to mitigate the interference. We propose a cooperative transmission scheme that delivers a part of the interfering message through the conferencing link and then applies the dirty paper coding by regarding the delivered message as a known transmit side information. We characterize its achievable rate region for general channel coefficients and show that a finite-rate conferencing can improve both achievable rate region and its sum rate.