Sciweavers

3031 search results - page 266 / 607
» Investigating human-computer optimization
Sort
View
ICASSP
2011
IEEE
14 years 8 months ago
Shannon meets Nyquist: Capacity limits of sampled analog channels
We explore several fundamental questions at the intersection of sampling theory and information theory. In particular, we study how capacity is affected by a given sampling mechan...
Yuxin Chen, Yonina C. Eldar, Andrea J. Goldsmith
ICASSP
2011
IEEE
14 years 8 months ago
Efficient image reconstruction under sparsity constraints with application to MRI and bioluminescence tomography
Most bioimaging modalities rely on indirect measurements of the quantity under investigation. The image is obtained as the result of an optimization problem involving a physical m...
Matthieu Guerquin-Kern, Jean-Charles Baritaux, Mic...
ICDE
2012
IEEE
223views Database» more  ICDE 2012»
13 years 7 months ago
Incremental Detection of Inconsistencies in Distributed Data
—This paper investigates the problem of incremental detection of errors in distributed data. Given a distributed database D, a set Σ of conditional functional dependencies (CFDs...
Wenfei Fan, Jianzhong Li, Nan Tang, Wenyuan Yu
INFOCOM
2012
IEEE
13 years 7 months ago
Spectrum management and power allocation in MIMO cognitive networks
Cognitive radio (CR) techniques improve the spectrum utilization by exploiting temporarily-free frequency bands (i.e., in the time domain). The spectrum utilization can be boosted...
Diep N. Nguyen, Marwan Krunz
INFOCOM
2010
IEEE
15 years 2 months ago
On the Fundamental Limits of Broadcasting in Wireless Mobile Networks
Abstract—In this paper, we investigate the fundamental properties of broadcasting in mobile wireless networks. In particular, we characterize broadcast capacity and latency of a ...
Giovanni Resta, Paolo Santi