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22 papers · 1 filter
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…
ArgoNeuT: A Liquid Argon Time Projection Chamber Test in the NuMI Beamline
M. Soderberg
Liquid Argon Time Projection Chamber detectors are ideally suited for studying neutrino interactions and probing the parameters that characterize neutrino oscillations. The ability…
A Generalized Poincare Inequality for a Class of Constant Coefficient Differential Operators
Derek Gustafson
We study first order differential operators with constant coefficients. The main question is under what conditions a generalized Poincaré inequality holds. We show that the constan…
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…
Additive maps preserving the reduced minimum modulus of Banach space operators
Abdellatif Bourhim
Let be the algebra of all bounded linear operators on an infinite dimensional complex Banach space . We prove that an additive surjective map on ${\mathcal…
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…