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TSP
2010
8 years 4 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
GLOBECOM
2009
IEEE
8 years 8 months ago
Power Allocation for Cooperative Diversity Networks with Inaccurate CSI: A Robust and Constrained Kalman Filter Approach
In this paper, a novel Kalman filter-based power allocation scheme is developed for cooperative networks with inaccurate channel state information (CSI). The channel estimation err...
Mohamad Khattar Awad, Veluppillai Mahinthan, Xuemi...
TCOM
2010
92views more  TCOM 2010»
8 years 8 months ago
Detection of Gaussian constellations in MIMO systems under imperfect CSI
Abstract—This paper considers the problem of Gaussian symbols detection in MIMO systems in the presence of channel estimation errors. Under this framework we develop a computatio...
Ido Nevat, Gareth W. Peters, Jinhong Yuan
TWC
2008
169views more  TWC 2008»
8 years 10 months ago
Antenna subset diversity with non-ideal channel estimation
In modern wireless systems employing diversity techniques, combining all the available diversity branches may not be feasible due to complexity and resource constraints. To allevia...
Wesley M. Gifford, Moe Z. Win, Marco Chiani
GLOBECOM
2006
IEEE
9 years 4 months ago
Optimum Detection of Binary Signals in Rayleigh Fading Channels with Imperfect Channel Estimates
— The optimum detection of binary antipodal signals in additive white Gaussian noise (AWGN) channels with Gaussian channel estimation error has been studied in prior work. In thi...
Amir Ali Basri, Teng Joon Lim
ICC
2007
IEEE
110views Communications» more  ICC 2007»
9 years 4 months ago
On the Impact of Carrier Frequency Offsets in OFDM/SDMA Systems
— The combined OFDM/SDMA approach has raised lots of research interests recently as it appears to be quite suitable for future broadband wireless transmission. In order to build ...
Sheng Zhou, Kai Zhang, Zhisheng Niu
ICC
2007
IEEE
162views Communications» more  ICC 2007»
9 years 4 months ago
Effect of Non-Linearity on the Performance of a MIMO Zero-Forcing Receiver with Channel Estimation Errors
— Non-linear amplitude distortion may be the key impairment in some practical multiple-input multipleoutput (MIMO) communications systems. However, there are only a few past inve...
Edward K. S. Au, Wai Ho Mow
ICC
2007
IEEE
182views Communications» more  ICC 2007»
9 years 4 months ago
BER Analysis of MIMO-SVD Systems with Channel Estimation Error and Feedback Delay
— This paper analyzes the average bit error rate (BER) performance of singular value decomposition-based multiple-input multiple-output systems with channel estimation error and ...
Edward K. S. Au, Shi Jin, Matthew R. McKay, Wai Ho...
VTC
2008
IEEE
159views Communications» more  VTC 2008»
9 years 4 months ago
Binary Demodulation in Rayleigh Fading with Noisy Channel Estimates - Detector Structures and Performance
Abstract— In previous work, we studied the structure and performance of optimum maximum-likelihood receivers for binary antipodal and orthogonal signals in the presence of Gaussi...
Amir Ali Basri, Teng Joon Lim
GLOBECOM
2008
IEEE
9 years 4 months ago
Numerical Performance Evaluation of OFDM Systems Affected by Transmitter Nonlinearities, Phase Noise and Channel Estimation Erro
Abstract—In this contribution we present a numerical approach to evaluate the bit error rate and mutual information of OFDM links affected by transmitter nonlinearities, phase no...
Steffen Bittner, Marco Krondorf, Gerhard Fettweis
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