Limited Feedback Precoding for Amplify-and-Forward Relaying
电子学报2010年38卷第7期 页码:1531-1534
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中图分类号:TN911.5
纸质出版:2010
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FONT face, Verdana, 李汀, 等. 一种前向放大中继通信系统中的有限反馈中继预编码方案[J]. 电子学报, 2010,38(7):1531-1534.
FONT face, Verdana, LI Ting, et al. Limited Feedback Precoding for Amplify-and-Forward Relaying[J]. Acta Electronica Sinica, 2010, 38(7): 1531-1534.
FONT face, Verdana, 李汀, 等. 一种前向放大中继通信系统中的有限反馈中继预编码方案[J]. 电子学报, 2010,38(7):1531-1534.DOI:
FONT face, Verdana, LI Ting, et al. Limited Feedback Precoding for Amplify-and-Forward Relaying[J]. Acta Electronica Sinica, 2010, 38(7): 1531-1534.DOI:
we first obtain the optimal relay preceding matrix for amplify-and-forward relay system under the requirement of quality-of-service (QoS). Then
in view of the bandwidth limits of the feedback channel in practical communication system
we propose a novel design method of limited feedback relay precoding codebook. Computer simulations indicate that the proposed new limited feedback relay precoding scheme in this paper performs close to the optimal precoding scheme with unlimited feedback
and obtains larger system sum capacity gains and lower biterror rate than that directly based on Grassmannian codebook or random codebook.