943 search results - page 49 / 189 » Compressed channel sensing |
ICASSP
2011
IEEE
13 years 16 days ago
2011
IEEE
We show that the exact recovery of sparse perturbations on the coefficient matrix in overdetermined Least Squares problems is possible for a large class of perturbation structure...
ICASSP
2011
IEEE
13 years 16 days ago
2011
IEEE
—We develop sub-Nyquist sampling systems for analog signals comprised of several, possibly overlapping, finite duration pulses with unknown shapes and time positions. Efficient...
ACL
2008
13 years 10 months ago
2008
A well-recognized limitation of research on supervised sentence compression is the dearth of available training data. We propose a new and bountiful resource for such training dat...
TSP
2012
12 years 4 months ago
2012
—In a cognitive radio network, opportunistic spectrum access (OSA) to the underutilized spectrum involves not only sensing the spectrum occupancy but also probing the channel qua...
CORR
2010
Springer
13 years 9 months ago
2010
Springer
Spectrum sensing, which aims at detecting spectrum holes, is the precondition for the implementation of cognitive radio. Collaborative spectrum sensing among the cognitive radio n...