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TWC
2010
14 years 4 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
TWC
2010
14 years 4 months ago
Cooperative wireless multicast: performance analysis and power/location optimization
The popularity of multimedia multicast/broadcast applications over wireless networks makes it critical to address the error-prone, heterogeneous and dynamically changing nature of ...
H. Vicky Zhao, Weifeng Su
INFOCOM
2003
IEEE
15 years 3 months ago
Cooperation in Wireless Ad Hoc Networks
— In wireless ad hoc networks, nodes communicate with far off destinations using intermediate nodes as relays. Since wireless nodes are energy constrained, it may not be in the b...
Vikram Srinivasan, Pavan Nuggehalli, Carla-Fabiana...
IWCMC
2009
ACM
15 years 4 months ago
Quantized transmit beamforming with antenna selection in a MIMO channel
For a point-to-point multi-input multi-output (MIMO) wireless channel, we propose a feedback scheme, which consists of transmit-antenna selection algorithm and beamforming quantiz...
Wiroonsak Santipach
ICASSP
2011
IEEE
14 years 1 months ago
Incentive mechanism in wireless multicast
In wireless multicast systems, cooperative multicast has been shown to be effective in dealing with heterogeneous channel conditions and improving the system performance. However,...
Bo Hu, H. Vicky Zhao, Hai Jiang