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TWC
2010
9 years 9 months ago
Performance analysis and power allocation for M-QAM cooperative diversity systems
An adaptive regenerate and forward cooperative diversity (CD) system using quadrature amplitude modulation (QAM) for a two-user cooperation is proposed. The proposed system can ach...
Veluppillai Mahinthan, Jon W. Mark, Xuemin Shen
ICC
2009
IEEE
135views Communications» more  ICC 2009»
10 years 10 days ago
Optimal Power Allocation for Cognitive Radio Under Primary User's Outage Loss Constraint
In this paper, we consider a secondary link sharing the spectrum with a primary link in a fading cognitive radio (CR) network. Instead of applying the conventional interference pow...
Xin Kang, Rui Zhang, Ying-Chang Liang, Hari Krishn...
TWC
2008
129views more  TWC 2008»
10 years 2 months ago
Lifetime maximization for amplify-and-forward cooperative networks
Power allocation strategies are devised to maximize the network lifetime of amplify-and-forward (AF) cooperative networks in this work. We consider the scenario where one source an...
Wan-Jen Huang, Yao-Win Peter Hong, C. C. Jay Kuo
VTC
2007
IEEE
10 years 8 months ago
Discrete Power Allocation for Lifetime Maximization in Cooperative Networks
Abstract— Discrete power allocation strategies for amplifyand-forward cooperative networks are proposed based on selective relaying methods. The goal of power allocation is to ma...
Wan-Jen Huang, Yao-Win Hong, C. C. Jay Kuo
ICC
2007
IEEE
10 years 9 months ago
Optimizing Power Allocation and Matching of Cooperative Diversity Systems
— In this paper, we study how to appropriately match users for two-user cooperative diversity systems that deploy optimal power allocation for an amplify and forward or a regener...
Veluppillai Mahinthan, Lin Cai, Jon W. Mark, Xuemi...
GLOBECOM
2008
IEEE
10 years 9 months ago
Near-Optimum Power Allocation for Outage Restricted Distributed MIMO Multi-Hop Networks
Abstract—The throughput of multi-hop communication systems can significantly be increased by the application of MIMO concepts. To utilize the physical resources in an efficient...
Dirk Wübben, Yidong Lang
books