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CORR
2008
Springer
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13 years 4 months ago
Weighted Sum Rate Optimization for Cognitive Radio MIMO Broadcast Channels
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
Lan Zhang, Yan Xin, Ying-Chang Liang
ICML
2010
IEEE
13 years 5 months ago
Multi-Task Learning of Gaussian Graphical Models
We present multi-task structure learning for Gaussian graphical models. We discuss uniqueness and boundedness of the optimal solution of the maximization problem. A block coordina...
Jean Honorio, Dimitris Samaras
ICCSA
2007
Springer
13 years 8 months ago
A Novel Congestion Control Scheme for Elastic Flows in Network-on-Chip Based on Sum-Rate Optimization
Network-on-Chip (NoC) has been proposed as an attractive alternative to traditional dedicated busses in order to achieve modularity and high performance in the future System-on-Chi...
Mohammad Sadegh Talebi, Fahimeh Jafari, Ahmad Khon...
INFOCOM
2007
IEEE
13 years 10 months ago
Tradeoff Between Lifetime and Rate Allocation in Wireless Sensor Networks: A Cross Layer Approach
— This paper studies the tradeoff between energy consumption and application performance in wireless sensor networks by investigating the interaction between network lifetime max...
Junhua Zhu, Shan Chen, Brahim Bensaou, Ka-Lok Hung