Interference cancellation and signal detection technique based on QRD-M algorithm for FTN signalling

被引：5
|
作者：
Baek, M. -S. [1 ]
Yun, J. [1 ]
Hur, N. [1 ]
Lim, H. [1 ]
机构：
[1] ETRI, Daejeon, South Korea
来源：
ELECTRONICS LETTERS | 2017年 / 53卷 / 06期
关键词：
interference suppression; signal detection; intersymbol interference; computational complexity; matrix algebra; error statistics; telecommunication signalling; interference cancellation; signal detection technique; QRD-M algorithm; FTN signalling; faster-than-Nyquist signalling; QR decomposition; Toeplitz structure; inter-symbol interference coefficient matrix; transmitted symbol detection; Bahl-Cocke-Jelinek-Raviv algorithm; BCJR algorithm; BER performance;
D O I：
10.1049/el.2016.3377
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This Letter presents interference cancellation and signal detection technique for faster-than-Nyquist (FTN) signalling. The proposed scheme uses QR decomposition (QRD)-M algorithm to execute interference cancellation and signal detection. Based on the Toeplitz structure of the inter-symbol interference coefficient matrix, the QRD-M algorithm is adopted to detect the transmitted symbols from an FTN signal. The computational complexity comparisons and numerical results demonstrate that the proposed technique can achieve the complexity <10% of Bahl-Cocke-Jelinek-Raviv (BCJR) algorithm while maintaining BER performance similar to that of BCJR algorithm.
引用
收藏
页码：409 / 411
页数：2
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