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TSP
2010
12 years 11 months ago
Mitigating channel estimation error with timing synchronization tradeoff in cooperative communications
Channel estimation error and co-channel interference (CCI) problems are among the main causes of performance degradation in wireless networks. In this paper, we investigate the im...
Ahmed S. Ibrahim, K. J. Ray Liu
ICC
2009
IEEE
106views Communications» more  ICC 2009»
13 years 11 months ago
Mitigating Channel Estimation Error via Cooperative Communications
— Channel estimation error problem is among the main causes of performance degradation in wireless networks. In this paper, we investigate the impact of cooperative communication...
Ahmed S. Ibrahim, K. J. Ray Liu
GLOBECOM
2010
IEEE
13 years 3 months ago
Differential Cooperative Communications with Space-Time Network Coding
Abstract--In multinode cooperative communications, simultaneous transmissions from two or more nodes are challenging due to its asynchronous nature. In addition, channel estimation...
Zhenzhen Gao, Hung-Quoc Lai, K. J. Ray Liu
ICC
2007
IEEE
118views Communications» more  ICC 2007»
13 years 11 months ago
Analysis of Timing Error Detectors for Orthogonal Space-Time Block Codes
Abstract—We analyze the properties of a class of low complexity timing error detectors for the purpose of timing error tracking in orthogonal space-time block coding receivers. F...
Pawel A. Dmochowski, Peter J. McLane
CORR
2010
Springer
117views Education» more  CORR 2010»
13 years 5 months ago
Relay Assisted Cooperative OSTBC Communication with SNR Imbalance and Channel Estimation Errors
In this paper, a two-hop relay assisted cooperative Orthogonal Space-Time Block Codes (OSTBC) transmission scheme is considered for the downlink communication of a cellular system,...
Bo Niu, Mihaela C. Beluri, Zinan Lin, Prabhakar Ch...