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4 papers · 2 filters
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…
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…
Noisy-interference Sum-rate Capacity of Parallel Gaussian Interference Channels
Xiaohu Shang, Biao Chen, Gerhard Kramer +1
The sum-rate capacity of the parallel Gaussian interference channel is shown to be achieved by independent transmission across sub-channels and treating interference as noise in ea…