Design of Double Codebook Based on 3D Dual Polarized Channel for Multiuser MIMO System

HAN Yu; JIN Shi; LI Xiao; HUANG Yong-Ming; JIANG Lei; WANG Gang

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Design of Double Codebook Based on 3D Dual Polarized Channel for Multiuser MIMO System

HAN Yu 1, JIN Shi 1, LI Xiao 1, HUANG Yong-Ming 1, JIANG Lei 2, WANG Gang 2

1. National Mobile Communications Research Laboratory

2. NEC Laboratories, Beijing 100084

*Correspondence author

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Funding: Specialized Research Fund for the Doctoral Program of Higher Education （No.20110092120014）

Opened online:12 June 2014

Accepted by: none

Citation: HAN Yu, JIN Shi, LI Xiao.Design of Double Codebook Based on 3D Dual Polarized Channel for Multiuser MIMO System[OL]. [12 June 2014] http://en.paper.edu.cn/en_releasepaper/content/4599730

This paper proposes a precoding method based on double codebookfor multiuser three-dimensional multiple-input multiple-output (3D MIMO)system deployed with dual-polarized antenna array. Considering the block diagonal feature of the transmit correlation matrix of 3D dual-polarized channel, we adopt the double codebook structure, where the precoding matrix is comprised of an inner long-termmatrix and an outer short-term matrix. Then we introduce a set of 3D beams which possess good discrimination in horizontal and vertical domain to be the basic beam set, and adopt a topology describing 3D beam set to illustrate the angle information in an intuitive way. For the purpose of multiuser transmission, we also propose a corresponding limited channel information feedback scheme and a user scheduling criteria based on this double codebook structure. Simulation results demonstrate that the precoding method based on double codebook for dual-polarized 3D MIMO system effectively improves system throughput compared with 2D transmission scheme.

Keywords:Communication technology; 3D MIMO; Double Codebool; Precoding; Limited Feedback.

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