VLSI implementation for interpolation-based matrix inversion for MIMO-OFDM receivers

被引：0

作者：

Lee, Jung Hoon ^{[1
]}

Lee, Jin ^{[1
]}

Park, Sin-Chong ^{[1
]}

机构：

[1] Informat & Commun Univ, Syst Integrat Technol Inst, 119,Munjiro, Taejon 305732, South Korea

来源：

6TH WSEAS INT CONF ON INSTRUMENTATION, MEASUREMENT, CIRCUITS & SYSTEMS/7TH WSEAS INT CONF ON ROBOTICS, CONTROL AND MANUFACTURING TECHNOLOGY, PROCEEDINGS | 2007年

关键词：

matrix inversion; interpolation; ZF; MMSE;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Matrix inversion block is one of the computationally intensive blocks in communications system. To reduce the size of hardware implementation is a challenging problem. In MIMO-OFDM system, the receiver which uses zero-forcing (ZF) or minimum mean square error (MMSE) scheme should calculate the inverse matrices of all sub-carriers. This paper proposes VLSI architecture for interpolation-based matrix inversion. For the result, more than 70% area was reduced by adopting interpolation-based scheme in 4x4 matrix inversion processing of IEEE 802.11n receiver.

引用

页码：24 / +

页数：2

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