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ICASSP
2011
IEEE
13 years 1 months ago
Robust secondary multicast transmit beamforming for cognitive radio networks under imperfect channel state information
Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...
Yongwei Huang, Qiang Li, Wing-Kin Ma, Shuzhong Zha...
SARA
2009
Springer
14 years 4 months ago
Some Interval Approximation Techniques for MINLP
MINLP problems are hard constrained optimization problems, with nonlinear constraints and mixed discrete continuous variables. They can be solved using a Branch-and-Bound scheme c...
Nicolas Berger, Laurent Granvilliers
WABI
2007
Springer
121views Bioinformatics» more  WABI 2007»
14 years 4 months ago
Seeded Tree Alignment and Planar Tanglegram Layout
The optimal transformation of one tree into another by means of elementary edit operations is an important algorithmic problem that has several interesting applications to computat...
Antoni Lozano, Ron Y. Pinter, Oleg Rokhlenko, Gabr...
ISCAS
2005
IEEE
179views Hardware» more  ISCAS 2005»
14 years 3 months ago
Robust stabilization of control systems using piecewise linear Lyapunov functions and evolutionary algorithm
— Piecewise linear Lyapunov functions are used to design control gain matrices so that closed systems are robust stable and attractive regions are expanded as large as possible i...
K. Tagawa, Y. Ohta
ICCAD
1996
IEEE
80views Hardware» more  ICCAD 1996»
14 years 2 months ago
Generalized constraint generation in the presence of non-deterministic parasitics
In a constraint-drivenlayout synthesisenvironment,parasitic constraints are generated and implemented in each phase of the design process to meet a given set of performance specif...
Edoardo Charbon, Paolo Miliozzi, Enrico Malavasi, ...