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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
ASPDAC
2007
ACM
88views Hardware» more  ASPDAC 2007»
15 years 8 months ago
Voltage Island Generation under Performance Requirement for SoC Designs
Using multiple supply voltages on a SoC design is an efficient way to achieve low power. However, it may lead to a complex power network and a huge number of level shifters if we j...
Wai-Kei Mak, Jr-Wei Chen
CISS
2008
IEEE
15 years 6 months ago
Cross-layer multicommodity capacity expansion on ad hoc wireless networks of cognitive radios
Cognitive radios permit dynamic control of physical layer resources such as transmission power and constellation size; these degrees of freedom can be employed to achieve significa...
Alex Fridman, Steven Weber, Kapil R. Dandekar, Mos...
DSN
2008
IEEE
15 years 11 months ago
Automatic security assessment of critical cyber-infrastructures
This research investigates the automation of security assessment of the static and dynamic properties of cyberinfrastructures, with emphasis on the electrical power grid. We descr...
Zahid Anwar, Ravinder Shankesi, Roy H. Campbell
ICIP
1997
IEEE
16 years 6 months ago
Complexity-Regularized Image Denoising
We develop a new approach to image denoising based on complexity regularization. This technique presents a flexible alternative to the more conventional l2 , l1 , and Besov regula...
Juan Liu, Pierre Moulin