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ICC
2009
IEEE
152views Communications» more  ICC 2009»
14 years 2 months ago
Centralized and Distributed Power Allocation in Multi-User Wireless Relay Networks
Abstract—Optimal power allocation for multi-user amplifyand-forward wireless relay networks in which multiple sourcedestination pairs are assisted by a set of relays is investiga...
Khoa T. Phan, Long Bao Le, Sergiy A. Vorobyov, Tho...
JSAC
2007
140views more  JSAC 2007»
13 years 7 months ago
Cross-layer resource allocation over wireless relay networks for quality of service provisioning
— We propose a physical-datalink cross-layer resource allocation scheme over wireless relay networks for quality-ofservice (QoS) guarantees. By integrating information theory wit...
Jia Tang, Xi Zhang
GLOBECOM
2008
IEEE
14 years 2 months ago
Power Allocation in Wireless Relay Networks: A Geometric Programming-Based Approach
—1 In this paper, we consider an amplify-and-forward (AF) wireless relay system where multiple source nodes communicate with their corresponding destination nodes with the help o...
Khoa T. Phan, Tho Le-Ngoc, Sergiy A. Vorobyov, Chi...
GLOBECOM
2009
IEEE
13 years 11 months ago
Subcarrier-Pair Based Resource Allocation for Cooperative AF Multi-Relay OFDM Systems
We study the joint allocation of three types of resources, namely, power, subcarriers and relay nodes, in cooperative two-hop multi-relay OFDM systems. Each relay adopts the amplif...
Wenbing Dang, Meixia Tao, Hua Mu, Jianwei Huang
INFOCOM
2009
IEEE
14 years 2 months ago
Cooperative Relay for Cognitive Radio Networks
—Cognitive radio has been proposed in recent years to promote the spectrum utilization by exploiting the existence of spectrum holes. The heterogeneity of both spectrum availabil...
Juncheng Jia, J. Jun Jun Zhang, Qian Zhang