Characterization of adaptive modulation MIMO systems in the presence of phase noise
Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly
Adaptive PSAM in SIMO systems with imperfect CSI in Rayleigh fading channels
Proceedings of the 2009 International Conference on Hybrid Information Technology
Optimal resource allocation in the OFDMA downlink with imperfect channel knowledge
IEEE Transactions on Communications
MIMO minimum total MSE transceiver design with imperfect CSI at both ends
IEEE Transactions on Signal Processing
Robust transceiver optimization in downlink multiuser MIMO systems
IEEE Transactions on Signal Processing
Performance of adaptive MIMO system based on beam-nulling
ISWPC'09 Proceedings of the 4th international conference on Wireless pervasive computing
Eigen-beamforming with delayed feedback and channel prediction
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 1
DC compensated adaptive modulation in MIMO systems
Analog Integrated Circuits and Signal Processing
IEEE Transactions on Communications
Optimized rate-adaptive PSAM for MIMO MRC systems with transmit and receive CSI imperfections
IEEE Transactions on Communications
IEEE Transactions on Wireless Communications
Quantized beamforming with channel prediction
IEEE Transactions on Wireless Communications
Robust transmit processing for BICM-OFDM systems
IEEE Transactions on Wireless Communications
IEEE Transactions on Signal Processing
Predictive transmit antenna selection with maximal ratio combining
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Capacity and performance of adaptive MIMO system based on beam-nulling
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
BER analysis of direct conversion OFDM systems with MRC under channel estimation errors
IEEE Communications Letters
Adaptive modulation in PU2RC systems with finite rate feedback
IEEE Transactions on Wireless Communications
Adaptive modulation for MIMC) systems with channel prediction errors
IEEE Transactions on Wireless Communications
Limited feedback for temporally correlated MIMO channels with other cell interference
IEEE Transactions on Signal Processing
Packet error probability of a transmit beamforming system with imperfect feedback
IEEE Transactions on Signal Processing
Zero-forcing DFE transceiver design over slowly time-varying MIMO channels using ST-GTD
IEEE Transactions on Signal Processing
Proceedings of the 5th International Conference on Ubiquitous Information Management and Communication
Full length article: Optimally balancing data and pilot power for adaptive MIMO-OFDM systems
Physical Communication
Wireless Communications & Mobile Computing
Network Performance Optimization in Constrained Queueing Systems
Wireless Personal Communications: An International Journal
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Adaptive modulation improves the system throughput considerably by matching transmitter parameters to time-varying wireless fading channels. Crucial to adaptive modulation is the quality of channel state information at the transmitter. In this paper, we first present a channel predictor based on pilot symbol assisted modulation for multiple-input multiple-output Rayleigh fading channels. We then analyze the impact of the channel prediction error on the bit error rate performance of a transmit-beamformer with adaptive modulation that treats the predicted channels as perfect. Our numerical results reveal the critical value of the normalized prediction error, below which the predicted channels can be treated as perfect by the adaptive modulator; otherwise, explicit consideration of the channel imperfection must be accounted for at the transmitter.