Decision-Directed Channel Estimation and High I/Q Imbalance Compensation in OFDM Receivers

被引：16

作者：

Traverso, Sylvain ^{[1
]}

Ariaudo, Myriam ^{[2
]}

Fijalkow, Inbar ^{[2
]}

Gautier, Jean-Luc ^{[2
]}

Lereau, Christian ^{[3
]}

机构：

[1] THALES Land & Joint Syst, Dept Embedded Digital Syst, FR-92704 Colombes, France

[2] Univ Cergy, CNRS, ETIS ENSEA, FR-95014 Cergy, France

[3] THALES Land & Joint Syst, Dept Unite Commun Tact, FR-49309 Chollet, France

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2009年 / 57卷 / 05期

关键词：

I/Q imbalance; Orthogonal Frequency Division Multiplexing (OFDM); zero-IF; equalization;

D O I：

10.1109/TCOMM.2009.05.070161

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：

Direct-conversion architectures suffer from the mismatch between the In-phase (I) and the Quadrature-phase (Q) branches, commonly called I/Q imbalance. Even low I/Q imbalances imply poor performance of Orthogonal Frequency Division Multiplexing (OFDM) systems. In this paper, we propose a new algorithm that uses both training and data symbols in a decision-directed fashion to jointly estimate the channel and compensate for high receiver I/Q imbalance. Simulation results show that our method can compensate for high I/Q imbalance values and also estimate a frequency selective channel.

引用

页码：1246 / 1249

页数：4

共 50 条

[1] I/Q Imbalance Compensation and Channel Equalization in OFDM Receivers
Ravi, S.
Kamath, Rishikesh B.
Bhargava, Suhaas A.
Aishwarya, S.
Manohj, S. V.
Sudheesh, P.
[J]. RECENT ADVANCES IN NETWORKING, VLSI AND SIGNAL PROCESSING, 2010, : 258 - +
[2] Correction and Compensation of I/Q Imbalance and Multipath Channel for OFDM Receivers
Haq, Khandker Nadya
Chung, Kah-Seng
[J]. 2014 9TH INTERNATIONAL SYMPOSIUM ON COMMUNICATION SYSTEMS, NETWORKS & DIGITAL SIGNAL PROCESSING (CSNDSP), 2014, : 966 - 971
[3] Decision directed methods of I/Q imbalance compensation in OFDM systems
Rykaczewski, P
Brakensiek, J
Jondral, FK
[J]. VTC2004-FALL: 2004 IEEE 60TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-7: WIRELESS TECHNOLOGIES FOR GLOBAL SECURITY, 2004, : 484 - 487
[4] Estimation and Compensation of I/Q Imbalance in OFDM Direct-Conversion Receivers
Sung, Kuang-Yu
Chao, Chi-chao
[J]. IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING, 2009, 3 (03) : 438 - 453
[5] Decision-directed channel estimation method for OFDM systems with high velocities
Ran, JJ
Grünheid, R
Rohling, H
Bolinth, E
Kern, R
[J]. 57TH IEEE VEHICULAR TECHNOLOGY CONFERENCE, VTC 2003-SPRING, VOLS 1-4, PROCEEDINGS, 2003, : 2358 - 2361
[6] Frequency-Selective I/Q Imbalance and Channel Estimation in OFDM Receivers
Traverso, Sylvain
Ariaudo, Myriam
Fijalkow, Inbar
Gautier, Jean-Luc
[J]. EUWIT: 2008 EUROPEAN WIRELESS TECHNOLOGY CONFERENCE, 2008, : 65 - +
[7] Novel channel estimation method based on decision-directed in OFDM
Bu, Xiang-Yuan
Zhang, Jian-Kang
Yang, Jing
[J]. Journal of Beijing Institute of Technology (English Edition), 2009, 18 (01): : 65 - 69
[8] Decision-directed Channel Estimation for MIMO-OFDM Systems
Qiao, Xiaoqiang
Zhao, Hangsheng
Han, Zhigang
Sun, Yun
[J]. 2009 5TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-8, 2009, : 897 - +
[9] Smoothing techniques for decision-directed MIMO OFDM channel estimation
Beinschob, P.
Zoelzer, U.
[J]. ADVANCES IN RADIO SCIENCE, 2011, 9 : 139 - 143
[10] Novel Channel Estimation Method Based on Decision-Directed in OFDM
卜祥元
张建康
杨静
[J]. Journal of Beijing Institute of Technology, 2009, 18 (01) : 65 - 69

← 1 2 3 4 5 →