A Low-Complexity QR Decomposition with Novel Modified RVD for MIMO Systems

被引：0
|
作者：
Sun, Lu [1 ,2 ]
Wu, Bin [1 ]
Ye, Tianchun [1 ]
机构：
[1] Chinese Acad Sci IMECAS, Inst Microelect, Beijing, Peoples R China
[2] Univ Chinese Acad Sci UCAS, Beijing, Peoples R China
来源：
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2021年 / E104A卷 / 05期
关键词：
QR decomposition; RVD; Givens rotation; MIMO detection; IMPLEMENTATION;
D O I：
10.1587/transfun.2020EAL2090
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this letter, a two-stage QR decomposition scheme based on Givens rotation with novel modified real-value decomposition (RVD) is presented. With the modified RVD applied to the result from complex Givens rotation at first stage, the number of non-zero terms needed to be eliminated by real Givens rotation at second stage decreases greatly and the computational complexity is thereby reduced significantly compared to the decomposition scheme with the conventional RVD. Besides, the proposed scheme is suitable for the hardware design of QR decomposition. Evaluation shows that the proposed QR decomposition scheme is superior to the related works in terms of computational complexity.
引用
收藏
页码：814 / 817
页数：4
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