Research Article
Robust Design for Opportunistic Collaborative Beamforming with Noisy Limited Feedback
@INPROCEEDINGS{10.1109/ChinaCom.2011.6158182, author={Lei Wang and Zhiyong Wang and Guo Wei}, title={Robust Design for Opportunistic Collaborative Beamforming with Noisy Limited Feedback}, proceedings={6th International ICST Conference on Communications and Networking in China}, publisher={IEEE}, proceedings_a={CHINACOM}, year={2012}, month={3}, keywords={robust design opportunistic collaborative beamforming noisy limited feedback index assignment}, doi={10.1109/ChinaCom.2011.6158182} }- Lei Wang
Zhiyong Wang
Guo Wei
Year: 2012
Robust Design for Opportunistic Collaborative Beamforming with Noisy Limited Feedback
CHINACOM
IEEE
DOI: 10.1109/ChinaCom.2011.6158182
Abstract
This paper presents a robust limited feedback design for opportunistic collaborative beamforming. The proposed scheme focuses on the index assignment problem with noisy limited feedback. Simulation results show that the proposed framework has significant SNR gain compared to the random index assignment. Furthermore, for large number of relay nodes, we show that under two-nearest constellation feedback channel assumption, the SNR loss of the proposed robust design grows linearly with the feedback error probbility. It is also proved that the order of the average SNR loss increases with the relay number and is upper bounded by 1.6.
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