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A New Limited Feedback Approach Based on Channel Predictionover Temporally-correlated Channels
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[1]FAN Wenbing,GUO Yun,WANG Zhenyi,et al.A New Limited Feedback Approach Based on Channel Predictionover Temporally-correlated Channels[J].Journal of Zhengzhou University (Engineering Science),2014,35(03):43-46.[doi:10.3969/j.issn.1671-6833.2014.03.011]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 35卷 Number of periods: 2014 03 Page number: 43-46 Column: Public date: 2014-06-30
Title:
A New Limited Feedback Approach Based on Channel Predictionover Temporally-correlated Channels
Author(s):
FAN Wenbing; GUO Yun; WANG Zhenyi; MENG Xiaochao; Jl Gang
School of Information and Engineering, Zhengzhou University, Zhengzhou 450001 , China
Keywords:
MIMO;  temporally-correlated;  limited feedback;  AR model
CLC:
TN92
DOI:
10.3969/j.issn.1671-6833.2014.03.011
Abstract:
In view of the problem of the temporal redundaney in temporally-correlated MlMO channels, a newlimited feedback approach based on channel predietion is proposed in this paper. Both the temporal cohereneeof the adjaeent data frames and AR prediction model are used to prediet channel state information and find anoplimal eodeword which is utilized to get an integrated oplimal system performanee of data frames and feedbackit to sender. The simulation results show, while the system performanee of the feedback approach proposed hasdeereased compared with the traditional one, but the feedback costs are signifieantly redueed, so the performanee loss is acceplable.
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