Sciweavers

4432 search results - page 268 / 887
» Solving Demodulation as an Optimization Problem
Sort
View
172
Voted
ICASSP
2011
IEEE
14 years 7 months ago
Joint bandwidth and power allocation in cognitive radio networks under fading channels
A problem of joint optimal bandwidth and power allocation in cognitive networks under fading channels is considered. It is assumed that multiple secondary users (SUs) share the sp...
Xiaowen Gong, Sergiy A. Vorobyov, Chintha Tellambu...
AAAI
2011
14 years 4 months ago
A Feasible Nonconvex Relaxation Approach to Feature Selection
Variable selection problems are typically addressed under a penalized optimization framework. Nonconvex penalties such as the minimax concave plus (MCP) and smoothly clipped absol...
Cuixia Gao, Naiyan Wang, Qi Yu, Zhihua Zhang
140
Voted
STOC
2004
ACM
107views Algorithms» more  STOC 2004»
16 years 4 months ago
Primal-dual algorithms for deterministic inventory problems
We consider several classical models in deterministic inventory theory: the single-item lot-sizing problem, the joint replenishment problem, and the multi-stage assembly problem. ...
Retsef Levi, Robin Roundy, David B. Shmoys
INFOCOM
2005
IEEE
15 years 9 months ago
Optimal ISP subscription for Internet multihoming: algorithm design and implication analysis
— Multihoming is a popular method used by large enterprises and stub ISPs to connect to the Internet to reduce cost and improve performance. Recently researchers have studied the...
Hao Wang, Haiyong Xie 0002, Lili Qiu, Abraham Silb...
CPAIOR
2008
Springer
15 years 5 months ago
The Accuracy of Search Heuristics: An Empirical Study on Knapsack Problems
Theoretical models for the evaluation of quickly improving search strategies, like limited discrepancy search, are based on specific assumptions regarding the probability that a va...
Daniel H. Leventhal, Meinolf Sellmann