Estimation and compensation of I/Q imbalance in OFDM systems

IEEE Vehicular Technology Conference

Volumn 61, Issue 2, 2005, Pages 1063-1067

  Sung, Kuang Yu ^a   Chao, Chi Chao ^a  

^a NATIONAL TSING HUA UNIVERSITY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

CHANNEL CAPACITY; COMPUTER SIMULATION; FREQUENCIES; LEAST SQUARES APPROXIMATIONS; MAXIMUM LIKELIHOOD ESTIMATION; SIGNAL RECEIVERS; SIGNAL TO NOISE RATIO; WHITE NOISE;

ADDITIVE WHITE GAUSSIAN NOISE; FREQUENCY OFFSETS; MULTIPATH CHANNELS;

ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING;

EID: 26444556418     PISSN: 15502252     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (10)

1. M. Valkama, M. Renfors, and V. Koivunen, "Advanced methods for I/Q imbalance compensation in communication receivers," IEEE Trans. Signal Processing, vol. 49, pp. 2335-2344, Oct. 2001.
2. M. Valkama, M. Renfors, and V. Koivunen, "Compensation of frequency-selective I/Q imbalances in wideband receivers: models and algorithms," in 2001 IEEE Third Workshop on Signal Processing Advances in Wireless Communications, Taiwan, Mar. 2001, pp. 42-45.
3. S. Fouladifard and H. Shafiee, "On adaptive cancellation of IQ mismatch in OFDM receivers," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing, Hong Kong, Apr. 2003, pp. IV-564-567.
4. H. Q. Mu and Y. N. Peng, "An approach to the correction of I and Q imbalance in time domain," in Proc. IEEE/CIE Int. Conf. Signal Processing, Beijing, China, Oct. 2001, pp. 1006-1010.
5. J. P. F. Glas, "Digital I/Q imbalance compensation in a low-IF receiver," in Proc. IEEE Globecom, Sydney, Australia, Nov. 1998, pp. 1461-1466.
6. G. Xing, M. Shen, and H. Liu, "Frequency offset and I/Q imbalance compensation for OFDM direct-conversion receivers," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing, Hong Kong, Apr. 2003, pp. IV-708-711.
7. I. H. Sohn, E. R. Jeong, and Y. H. Lee, "Data-aided approach to I/Q mismatch and DC offset compensation in communication receivers," IEEE Commun. Lett., vol. 6, pp. 547-549, Dec. 2002.
8. G. Gil, I. H. Sohn, Y. H. Lee, Y. I. Song, and J. K. Park , "Joint ML estimation of I/Q mismatch, DC offset, carrier frequency, and channel for direct-conversion receivers," in Proc. IEEE Vehicular Technology Conf., Jeju, South Korea, Apr. 2003, pp. 2348-2352.
9. IEEE 802.11, "Supplement to IEEE standard for information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN medium access control (MAC) and physical layer (PHY) specifications: High-speed physical layer in the 5 GHz band," Sept. 1999.
10. B. O'Hara and A. Petrick, The IEEE 802.11 Handbook: A Designer's Companion. New York: IEEE Press, 1999.