JOURNAL ARTICLE
Non-Unitary Precoding Base on Codebook for Multi-user MIMO System with Limited Feedback
Year: 2011 Journal: JOURNAL OF ELECTRONICS INFORMATION TECHNOLOGY Vol: 30 (10)Pages: 2419-2422 Publisher: Chinese Academy of Sciences, Institute of Electronics
Abstract
摘要: 该文提出了一种基于码本的有限反馈非酉矩阵预编码下行多用户MIMO系统。该方案根据用户反馈的信道信息SINR在发送端进行调度和预编码来提高系统容量。预编码的码本设计依据格拉斯曼空间装箱原理，并将码本中的向量按其相关性构成非酉矩阵来提高预编码增益和抑制多用户共道干扰。新方案反馈量少、复杂度低，在相同情况下比传统的单用户MIMO系统和基于码本的酉矩阵预编码多用户MIMO系统都具有更好的性能。 关键词: 多用户MIMO / 非酉矩阵预编码 / 格拉斯曼空间装箱原理 / 有限反馈
Keywords:
Codebook Precoding Unitary state MIMO Computer science Zero-forcing precoding Control theory (sociology) Computer engineering Algorithm Telecommunications Artificial intelligence Political science
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0.24
FWCI (Field Weighted Citation Impact)
10
Refs
0.65
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Citation History
Topics
Advanced MIMO Systems Optimization
Physical Sciences → Engineering → Electrical and Electronic Engineering
Cooperative Communication and Network Coding
Physical Sciences → Computer Science → Computer Networks and Communications
Energy Harvesting in Wireless Networks
Physical Sciences → Engineering → Electrical and Electronic Engineering
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