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INFOCOM
2008
IEEE
15 years 4 months ago
A Distributed Optimization Algorithm for Multi-Hop Cognitive Radio Networks
Cognitive radio (CR) is a revolution in radio technology and is viewed as an enabling technology for dynamic spectrum access. This paper investigates how to design distributed alg...
Yi Shi, Y. Thomas Hou
IPPS
2006
IEEE
15 years 3 months ago
FPGA based architecture for DNA sequence comparison and database search
DNA sequence comparison is a computationally intensive problem, known widely since the competition for human DNA decryption. Database search for DNA sequence comparison is of grea...
Euripides Sotiriades, Christos Kozanitis, Apostolo...
TIP
2010
166views more  TIP 2010»
14 years 4 months ago
Restoration of Poissonian Images Using Alternating Direction Optimization
Much research has been devoted to the problem of restoring Poissonian images, namely for medical and astronomical applications. However, the restoration of these images using state...
Mário A. T. Figueiredo, José M. Biou...
HSNMC
2004
Springer
126views Multimedia» more  HSNMC 2004»
15 years 3 months ago
Hybrid Unicast and Multicast Flow Control: A Linear Optimization Approach
— In this paper, we present a solution to the general problem of flow control for both unicast and multicast IP networks. We formulate a convex optimization problem that can be ...
Homayoun Yousefi'zadeh, Fatemeh Fazel, Hamid Jafar...
CDC
2009
IEEE
168views Control Systems» more  CDC 2009»
15 years 2 months ago
Content distribution by multiple multicast trees and intersession cooperation: Optimal algorithms and approximations
—The paper addresses the problem of massive content distribution in the network where multiple sessions coexist. In the traditional approaches, the sessions form separate overlay...
Xiaoying Zheng, Chunglae Cho, Ye Xia