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9 papers · 2 filters
MIMO Z-Interference Channels: Capacity Under Strong and Noisy Interference
Xiaohu Shang, Biao Chen, Gerhard Kramer +1
The capacity regions of multiple-input multiple-output Gaussian Z-interference channels are established for the very strong interference and aligned strong interference cases. The…
Interference Channels With Arbitrarily Correlated Sources
Wei Liu, Biao Chen
Communicating arbitrarily correlated sources over interference channels is considered in this paper. A sufficient condition is found for the lossless transmission of a pair of corr…
Secure Communication in the Low-SNR Regime
Mustafa Cenk Gursoy
Secrecy capacity of a multiple-antenna wiretap channel is studied in the low signal-to-noise ratio (SNR) regime. Expressions for the first and second derivatives of the secrecy cap…
Capacity Bounds for Two-Hop Interference Networks
Yi Cao, Biao Chen
This paper considers a two-hop interference network, where two users transmit independent messages to their respective receivers with the help of two relay nodes. The transmitters…
Fading Cognitive Multiple-Access Channels With Confidential Messages
Ruoheng Liu, Yingbin Liang, H. Vincent Poor
The fading cognitive multiple-access channel with confidential messages (CMAC-CM) is investigated, in which two users attempt to transmit common information to a destination and us…
On the Optimality of Beamforming for Multi-User MISO Interference Channels with Single-User Detection
Xiaohu Shang, Biao Chen, H. Vincent Poor
For a multi-user interference channel with multi-antenna transmitters and single-antenna receivers, by restricting each receiver to a single-user detector, computing the largest ac…