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» Uncertain Linear Constraints
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TIT
2008
133views more  TIT 2008»
13 years 9 months ago
On the Uniqueness of Nonnegative Sparse Solutions to Underdetermined Systems of Equations
An underdetermined linear system of equations Ax = b with non-negativity constraint x 0 is considered. It is shown that for matrices A with a row-span intersecting the positive o...
Alfred M. Bruckstein, Michael Elad, Michael Zibule...
TSP
2008
107views more  TSP 2008»
13 years 9 months ago
Opportunistic Spectrum Access via Periodic Channel Sensing
The problem of opportunistic access of parallel channels occupied by primary users is considered. Under a continuous-time Markov chain modeling of the channel occupancy by the prim...
Qing Zhao, Stefan Geirhofer, Lang Tong, Brian M. S...
TWC
2008
139views more  TWC 2008»
13 years 9 months ago
Statistical Multimode Transmit Antenna Selection for Limited Feedback MIMO Systems
In a wireless multiple-input multiple-output (MIMO) system, transmit antenna selection is an effective means of achieving good performance with low complexity. We consider spatial ...
Chang Soon Park, Kwang Bok Lee
ASC
2004
13 years 9 months ago
Solution to global stability of fuzzy regulators via evolutionary computation
A novel approach for solving fuzzy model-based stability problems via evolutionary computation (EC) is presented. Gain scheduling problem of a multi-model fuzzy system that satisf...
Lanka Udawatta, Keigo Watanabe, Kazuo Kiguchi, Kiy...
AUTOMATICA
2004
138views more  AUTOMATICA 2004»
13 years 9 months ago
Decentralized overlapping control of a formation of unmanned aerial vehicles
Decentralized overlapping feedback laws are designed for a formation of unmanned aerial vehicles. The dynamic model of the formation with an information structure constraint in wh...
Dusan M. Stipanovic, Gökhan Inalhan, Rodney T...