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Journal Article Interference Cancellation and Signal Detection Technique based on QRD-M Algorithm for FTN Signalling
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Authors
M.-S. Baek, J. Yun, N. Hur, H. Lim
Issue Date
2017-03
Citation
Electronics Letters, v.53, no.6, pp.409-411
ISSN
0013-5194
Publisher
IET
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1049/el.2016.3377
Project Code
16MR2300, Development of the Advanced Broadcasting System based on FTN, Namho Hur
Abstract
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.
KSP Keywords
BER performance, Bahl-Cocke-Jelinek-Raviv (BCJR) algorithm, Coefficient matrix, Computational complexity, Inter-Symbol-Interference(ISI), Interference cancellation, Interference coefficient, M-algorithm, Numerical results, QR Decomposition, Toeplitz structure