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http://dx.doi.org/10.5909/JBE.2019.24.4.613

A Single-layer Differential Codebook Design Over Pedestrian Closed-loop MISO System  

Kim, Young-Ju (College of Electrical and Computer Eng., School of Information and Communication Engineering, Chungbuk University)
Publication Information
Journal of Broadcast Engineering / v.24, no.4, 2019 , pp. 613-622 More about this Journal
Abstract
A differential codebook design method using wireless channel's temporal correlation is proposed over closed loop multiple-input single-output (MISO) system. The single layer codewords in a codebook are selected among a set of phase elements. In the conventional codeword selection rule, codewords are assumed to be on a spherical cap and sine formula was used. In this paper, however, a new method using Pythagoras formula is employed to simplify computational complexity. Also, an adaptive differential codebook selection is adopted to enhance performance. Monte-Carlo simulations demonstrate that the proposed codebook is superior to the conventional ones.
Keywords
MISO; codebook; mobile communication; temporal correlation;
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