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cs.IT2010★ 1 cited
Where is Randomness Needed to Break the Square-Root Bottleneck?
Patrick Kuppinger, Giuseppe Durisi, Helmut Bölcskei
As shown by Tropp, 2008, for the concatenation of two orthonormal bases (ONBs), breaking the square-root bottleneck in compressed sensing does not require randomization over all th…
cs.IT2010★ 5 cited
The SIMO Pre-Log Can Be Larger Than the SISO Pre-Log
Veniamin I. Morgenshtern, Giuseppe Durisi, Helmut Bölcskei
We establish a lower bound on the noncoherent capacity pre-log of a temporally correlated Rayleigh block-fading single-input multiple-output (SIMO) channel. Surprisingly, when the…