Blind Carrier Frequency Offset Estimation for OFDM Systems with Constant Modulus Constellations

被引：28

作者：

Oh, Jun-Han ^{[1
]}

Kim, Jin-Goog ^{[1
]}

Lim, Jong-Tae ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept EECS, Taejon 305701, South Korea

来源：

IEEE COMMUNICATIONS LETTERS | 2011年 / 15卷 / 09期

关键词：

Orthogonal frequency division multiplexing (OFDM); carrier frequency offset (CFO); blind estimation;

D O I：

10.1109/LCOMM.2011.070711.110955

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

This paper proposes a blind carrier frequency offset (CFO) estimation scheme for OFDM systems. In the proposed scheme, the covariance matrix of the received signal is obtained through the circular shifts of OFDM blocks in the time-domain. From the fact that the covariance matrix has a banded structure in the absence of CFO, we estimate CFO through minimizing the powers of the elements that are outside the band. We show that the proposed scheme is better than the conventional schemes through simulations.

引用

页码：971 / 973

页数：3

共 50 条

[1] Blind Integer Carrier Frequency Offset Estimation for OFDM Systems with Constant Modulus Signaling
Weiyang Xu
Xiaolin Fu
[J]. Wireless Personal Communications, 2012, 63 : 515 - 527
[2] A blind carrier frequency offset estimation scheme for OFDM systems with constant modulus signaling
Zeng, Xiang Nian
Ghrayeb, Ali
[J]. 2007 IEEE 8TH WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS, VOLS 1 AND 2, 2007, : 76 - 80
[3] A blind carrier frequency offset estimation scheme for OFDM systems with constant modulus signaling
Zeng, Xiang Nian
Ghrayeb, Ali
[J]. IEEE TRANSACTIONS ON COMMUNICATIONS, 2008, 56 (07) : 1032 - 1037
[4] Blind Integer Carrier Frequency Offset Estimation for OFDM Systems with Constant Modulus Signaling
Xu, Weiyang
Fu, Xiaolin
[J]. WIRELESS PERSONAL COMMUNICATIONS, 2012, 63 (02) : 515 - 527
[5] Blind Carrier Frequency Offset Estimation for MIMO-OFDM With Constant Modulus Constellations via Rank Reduction Criterion
Zhang, Weile
Yin, Qinye
[J]. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2016, 65 (08) : 6809 - 6815
[6] A Constant-Modulus Algorithm for Carrier Frequency Offset Estimation in OFDM Systems
Cheng, Qi
[J]. TENCON 2009 - 2009 IEEE REGION 10 CONFERENCE, VOLS 1-4, 2009, : 2315 - 2319
[7] Blind estimation of the carrier frequency offset in OFDM systems
Bradaric, I
Petropulu, AP
[J]. 2003 4TH IEEE WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS - SPAWC 2003, 2004, : 590 - 594
[8] Blind carrier frequency offset estimation for constant modulus signaling based OFDM systems: algorithm, identifiability, and performance analysis
Wei-yang Xu
Bo Lu
Xing-bo Hu
Zhi-liang Hong
[J]. Journal of Zhejiang University SCIENCE C, 2010, 11 : 14 - 26
[9] Blind carrier frequency offset estimation for constant modulus signaling based OFDM systems: algorithm, identifiability, and performance analysis
Xu, Wei-yang
Lu, Bo
Hu, Xing-bo
Hong, Zhi-liang
[J]. JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE C-COMPUTERS & ELECTRONICS, 2010, 11 (01): : 14 - 26
[10] Blind carrier frequency offset estimation for constant modulus signaling based OFDM systems: algorithm, identifiability, and performance analysis
Wei-yang XU1
[J]. Frontiers of Information Technology & Electronic Engineering, 2010, (01) : 14 - 26

← 1 2 3 4 5 →