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On the Sensitivity of Continuous-Time Noncoherent Fading Channel Capacity
Giuseppe Durisi, Veniamin I. Morgenshtern, Helmut Bölcskei
The noncoherent capacity of stationary discrete-time fading channels is known to be very sensitive to the fine details of the channel model. More specifically, the measure of the s…
Noncoherent SIMO Pre-Log via Resolution of Singularities
Erwin Riegler, Veniamin I. Morgenshtern, Giuseppe Durisi +3
We establish a lower bound on the noncoherent capacity pre-log of a temporally correlated Rayleigh block-fading single-input multiple-output (SIMO) channel. Our result holds for ar…
Uncertainty Relations and Sparse Signal Recovery for Pairs of General Signal Sets
Patrick Kuppinger, Giuseppe Durisi, Helmut Bölcskei
We present an uncertainty relation for the representation of signals in two different general (possibly redundant or incomplete) signal sets. This uncertainty relation is relevant…
Recovery of Sparsely Corrupted Signals
Christoph Studer, Patrick Kuppinger, Graeme Pope +1
We investigate the recovery of signals exhibiting a sparse representation in a general (i.e., possibly redundant or incomplete) dictionary that are corrupted by additive noise admi…