Title :
Frequency domain equalization of IQ imbalance in OFDM receivers
Author :
Schuchert, Andreas ; Hasholzner, Ralph ; Buchholz, Martin
Author_Institution :
Motorola SPS, Munich, Germany
Abstract :
Digital receivers still include analog components in the demodulation process which cause amplitude and phase imbalance between the I and Q branch. This article describes a novel compensation scheme for OFDM receivers based on adaptive frequency domain filtering to remove the IQ imbalance effects
Keywords :
OFDM modulation; adaptive equalisers; adaptive filters; adaptive signal processing; demodulation; digital television; equalisers; filtering theory; frequency-domain analysis; television receivers; IQ imbalance effects removal; OFDM receivers; adaptive frequency domain equalization; adaptive frequency domain filtering; amplitude imbalance; analog components; compensation; demodulation; digital TV receivers; phase imbalance; Adaptive equalizers; Adaptive filters; Demodulation; Digital TV; Filtering; Frequency dependence; Frequency domain analysis; OFDM; Phase distortion; TV receivers;
Conference_Titel :
Consumer Electronics, 2001. ICCE. International Conference on
Conference_Location :
Los Angeles, CA
Print_ISBN :
0-7803-6622-0
DOI :
10.1109/ICCE.2001.935198
