Novel Blind Carrier Frequency Offset Estimation Algorithm for OFDM System Via Generalized Precoding

被引：0

作者：

Zhang Xiaofei ^{[1
]}

Li Jianfeng ^{[1
]}

Wu Hailang ^{[1
]}

Xu Dazhuan ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Dept Elect Engn, Nanjing 210016, Jiangsu, Peoples R China

来源：

WIRELESS PERSONAL COMMUNICATIONS | 2012年 / 67卷 / 02期

关键词：

Carrier frequency offset (CFO); OFDM; Generalized precoding; Joint diagonalization;

D O I：

10.1007/s11277-011-0369-5

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In this letter, we develop a blind carrier frequency offset (CFO) algorithm for orthogonal frequency division multiplexing (OFDM) systems by utilizing a generalized precoding. Generalized precoding is employed to obtain multiple covariance matrices, and then a CFO estimation algorithm for OFDM system using joint diagonalization is proposed. Comparing to estimation of signal parameters via rotational invariance techniques (ESPRIT) method, the algorithm that we presented has improved CFO estimation performance. Furthermore, our algorithm even works well without virtual carrier. Simulation results illustrate performance of this algorithm.

引用

页码：139 / 147

页数：9

共 10 条

[1] Blind channel estimation for OFDM systems via a generalized precoding [J].

Gao, Feifei ;

Nallanathan, Arumugam .

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2007, 56 (03) :1155-1164

[2] Blind frequency-offset estimator for OFDM systems transmitting constant-modulus symbols [J].

Ghogho, M ;

Swami, A .

IEEE COMMUNICATIONS LETTERS, 2002, 6 (08) :343-345

[3] A High-Efficiency Carrier Estimator for OFDM Communications [J].

Liu, Hui ;

Tureli, Ufuk .

IEEE COMMUNICATIONS LETTERS, 1998, 2 (04) :104-106

[4] An optimal training signal structure for frequency-offset estimation [J].

Minn, HL ;

Xing, SH .

IEEE TRANSACTIONS ON COMMUNICATIONS, 2005, 53 (02) :343-355

[5] A TECHNIQUE FOR ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING FREQUENCY OFFSET CORRECTION [J].

MOOSE, PH .

IEEE TRANSACTIONS ON COMMUNICATIONS, 1994, 42 (10) :2908-2914

[6] A blind OFDM synchronization algorithm based on cyclic correlation [J].

Park, B ;

Cheon, H ;

Ko, E ;

Kang, CG ;

Hong, D .

IEEE SIGNAL PROCESSING LETTERS, 2004, 11 (02) :83-85

[7] OFDM blind carrier offset estimation: ESPRIT [J].

Tureli, U ;

Liu, H ;

Zoltowski, MD .

IEEE TRANSACTIONS ON COMMUNICATIONS, 2000, 48 (09) :1459-1461

[8] ML estimation of time and frequency offset in OFDM systems [J].

vandeBeek, JJ ;

Sandell, M ;

Borjesson, PO .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1997, 45 (07) :1800-1805

[9] Blind carrier frequency offset estimation in SISO, MIMO, and multiuser OFDM systems [J].

Yao, YW ;

Giannakis, GB .

IEEE TRANSACTIONS ON COMMUNICATIONS, 2005, 53 (01) :173-183

[10] Non-orthogonal joint diagonalization in the least-squares sense with application in blind source separation [J].

Yeredor, A .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2002, 50 (07) :1545-1553

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