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ICC
2009
IEEE
106views Communications» more  ICC 2009»
9 years 5 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
TSP
2010
8 years 5 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
VTC
2007
IEEE
140views Communications» more  VTC 2007»
9 years 4 months ago
Iterative Phase Noise Mitigation in MIMO-OFDM Systems with Pilot Aided Channel Estimation
— The use of multiple transmit and receive antennas in combination with multicarrier modulation, e.g. MIMO-OFDM, is a very promising technique for future wireless communication s...
Steffen Bittner, Ernesto Zimmermann, Gerhard Fettw...
CORR
2010
Springer
117views Education» more  CORR 2010»
8 years 10 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...
VTC
2010
IEEE
146views Communications» more  VTC 2010»
8 years 8 months ago
Multi-User Channel Estimation for Interference Mitigation in the LTE-Advanced Uplink
—We discuss a novel pilot design for multi-user channel estimation in the OFDM uplink with localized block-type pilot placement. Due to this placement, multiple users’ channels...
Zhijun Rong, Gerhard Fettweis
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