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INFOCOM
2010
IEEE
15 years 4 months ago
Value-aware Resource Allocation for Service Guarantees in Networks
—The traditional formulation of the total value of information transfer is a multi-commodity flow problem. Here, each data source is seen as generating a commodity along a fixe...
Parimal Parag, Srinivas Shakkottai, Jean-Fran&cced...
TCOM
2010
102views more  TCOM 2010»
15 years 4 months ago
A system performance approach to OSNR optimization in optical networks
Abstract—This paper studies a constrained optical signal-tonoise ratio (OSNR) optimization problem in optical networks from the perspective of system performance. A system optimi...
Yan Pan, Tansu Alpcan, Lacra Pavel
GLOBECOM
2010
IEEE
15 years 4 months ago
A Cognitive Transmission Scheme with the Best Relay Selection in Cognitive Radio Networks
In this paper, we propose a cognitive transmission scheme with the best relay selection in a multiple-relay cognitive radio network to improve the secondary transmission performanc...
YuLong Zou, Jia Zhu, Baoyu Zheng, Sulan Tang, Yu-D...
ICASSP
2009
IEEE
15 years 4 months ago
Weighted nonnegative matrix factorization
Nonnegative matrix factorization (NMF) is a widely-used method for low-rank approximation (LRA) of a nonnegative matrix (matrix with only nonnegative entries), where nonnegativity...
Yong-Deok Kim, Seungjin Choi
SIAMJO
2010
97views more  SIAMJO 2010»
15 years 1 months ago
A Newton-CG Augmented Lagrangian Method for Semidefinite Programming
Abstract. We consider a Newton-CG augmented Lagrangian method for solving semidefinite programming (SDP) problems from the perspective of approximate semismooth Newton methods. In ...
Xin-Yuan Zhao, Defeng Sun, Kim-Chuan Toh