Faster-Than-Nyquist Transmission With Frame-by-Frame Decision-Directed Successive Interference Cancellation

被引：4

作者：

Tong, Mingfei ^{[1
]}

Huang, Xiaojing ^{[1
]}

Zhang, J. Andrew ^{[1
]}

机构：

[1] Univ Technol Sydney, Global Big Data Technol Ctr, Ultimo, NSW 2007, Australia

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2023年 / 71卷 / 08期

基金：

澳大利亚研究理事会;

关键词：

FTN signaling; inter-symbol interference; frequency domain equalization; symbol-by-symbol estimation; interference cancellation; FREQUENCY-DOMAIN EQUALIZATION;

D O I：

10.1109/TCOMM.2023.3279404

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：

Faster-than-Nyquist (FTN) signaling can improve spectral efficiency and enable high-speed transmission for next-generation communication systems. One of the most significant challenges in FTN transmission is how to remove the inter-symbol interference (ISI). In this paper, we propose a novel decision-directed successive interference cancellation (DDSIC) based on frequency-domain minimum-mean-square-error (MMSE) equalization for practical FTN systems. To reduce the computational complexity, the detection process is performed frame-by-frame in the frequency domain. In addition, we derive the theoretical bit error rate (BER) expression for each iteration in DDSIC as well as the BER lower bound for M-ary quadrature amplitude modulated FTN systems. The simulation results verify the theoretical analyses and demonstrate that our proposed method enables lower complexity and better performance compared with state-of-the-art methods.

引用

页码：4851 / 4861

页数：11

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