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http://dx.doi.org/10.5515/KJKIEES.2011.22.4.462

Performance Analysis of A Hybrid Codebook for LTE Downlink Relay Systems  

Kim, Hyung-Jun (School of Information & Communication Engineering, Chungbuk National University)
Park, Noe-Yoon (School of Information & Communication Engineering, Chungbuk National University)
Kim, Young-Ju (College of Electrical & Computer Engineering, Chungbuk National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.22, no.4, 2011 , pp. 462-469 More about this Journal
Abstract
In this paper, we propose a novel hybrid codebook design method which combines DFT matrix based codebook for Rayleigh fading and LOS codebook for direct path. Link-level performances employing hybrid codebook outperform the ones employing the conventional codebooks when K-factor of Rician distribution is 0.28 to 0.99. Moreover hybrid codebook shows good performances over not only Rayleigh channel but also high K's Rician channels.
Keywords
Relay; LTE; Codebook; Line-of-sight; MIMO;
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