TH precoding based multiuser spatial multiplexing scheme in MIMO systems

被引：0

作者：

Huang, Min ^{[1
]}

Miao, Wei ^{[1
]}

Zhou, Shidong ^{[1
]}

Wang, Jing ^{[1
]}

机构：

[1] State Key Laboratory of Microwave and Digital Communication, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China

来源：

Qinghua Daxue Xuebao/Journal of Tsinghua University | 2008年 / 48卷 / 04期

关键词：

Codes (symbols) - Feedback control - Telecommunication repeaters - MIMO systems - Mobile telecommunication systems - Beamforming;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Tomlinson-Harashima precoding (THP) is a nonlinear, successive pre-equalization technique. A THP-based multiuser spatial multiplexing scheme was developed to improve the system capacity in multiple-input multiple-output (MIMO) systems. In this scheme, the receivers perform beam-forming, while the transmitter suppresses the inter-user interference using the THP scheme. A theoretical analysis and simulation results indicate that, compared with the traditional singular value decomposition (SVD) based single-user spatial multiplexing and linear zero-forcing (ZF) based multiuser spatial multiplexing, the scheme obtains larger equivalent channel gains and system capacity, and at the same time, guarantees user fairness.

引用

页码：514 / 517

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