Method for carrier frequency-offset estimation of faster-than-Nyquist signalling

被引：3

作者：

Liang, Xiaohu ^{[1
]}

Liu, Aijun ^{[1
]}

Pan, Xiaofei ^{[1
]}

Chen, Feng ^{[1
]}

机构：

[1] PLA Univ Sci & Technol, Inst Commun Engn, Nanjing 210007, Jiangsu, Peoples R China

来源：

ELECTRONICS LETTERS | 2015年 / 51卷 / 25期

关键词：

Frequency allocation - Frequency estimation;

D O I：

10.1049/el.2015.2397

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：

A new non-data aided frequency-offset estimation scheme for faster-than-Nyquist (FTN) signalling system is proposed. Considering the intentionally introduced intersymbol interference, the envelope of carrier signals is time varying, which makes it difficult to estimate the carrier frequency-offset at the receiver. In order to improve the estimation performance, a new estimation scheme is proposed which is based on Newton's method for minimising the non-linear least-squares error. Moreover, the proposed estimation scheme can be also applied into M-ary pulse-amplitude modulation. Further, the performance of proposed frequency-offset estimation scheme for FTN is verified and tested.

引用

页码：2152 / U66

页数：2

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