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TWC
2008
121views more  TWC 2008»
15 years 6 months ago
Optimal Downlink OFDMA Resource Allocation with Linear Complexity to Maximize Ergodic Rates
OFDMA resource allocation assigns subcarriers and power, and possibly data rates, to each user. Previous research efforts to optimize OFDMA resource allocation with respect to comm...
Ian C. Wong, Brian L. Evans
ICTAI
2002
IEEE
15 years 11 months ago
Calculus of Variations in Discrete Space for Constrained Nonlinear Dynamic Optimization
In this paper, we propose new dominance relations that can speed up significantly the solution process of nonlinear constrained dynamic optimization problems in discrete time and...
Yixin Chen, Benjamin W. Wah
CEC
2010
IEEE
15 years 7 months ago
Two novel Ant Colony Optimization approaches for Bayesian network structure learning
Learning Bayesian networks from data is an N-P hard problem with important practical applications. Several researchers have designed algorithms to overcome the computational comple...
Yanghui Wu, John A. W. McCall, David W. Corne
EOR
2007
101views more  EOR 2007»
15 years 6 months ago
Using aggregation to optimize long-term production planning at an underground mine
Motivated by an underground mining operation at Kiruna, Sweden, we formulate a mixed integer program to schedule iron ore production over multiple time periods. Our optimization m...
Alexandra M. Newman, Mark Kuchta
SASO
2010
IEEE
15 years 4 months ago
Optimal Decentralized Formation of k-Member Partnerships
To keep pace with constantly changing markets, many companies are seeking strategic partnerships. In this paper, we assume that a company can electronically provide a profile of th...
Anna Chmielowiec, Maarten van Steen