An efficient oblique projection algorithm for V-BLAST detection with novel ordering

被引：0
|
作者：
Ding, Zizhe [1 ]
Zhang, Xian-Da [1 ]
Gao, Qiubin [1 ]
Su, Yong-Tao [1 ]
机构：
[1] Tsinghua Univ, Dept Automat, Beijing 100084, Peoples R China
来源：
2007 IEEE 66TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5 | 2007年
关键词：
D O I：
10.1109/VETECF.2007.107
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel oblique projection based detection scheme is proposed to reduce the computational cost of the vertical Bell Laboratories Layered Space-Time (V-BLAST) receivers. It constructs the ordinary zero-forcing (ZF) and minimum mean-square error (MMSE) detectors by oblique projector implementation, and has a computationally efficient way via projection matrix recursion. Different from the existing ones, we design a so-called "inverse" detection order to facilitate this new approach, whose complexity compares favorably with the competing alternatives. Theoretical analysis and simulation results show the efficiency of the proposed algorithm.
引用
收藏
页码：457 / 461
页数：5
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