Frequency domain equalization of IQ imbalance in OFDM receivers

Frequency domain equalization of IQ imbalance in OFDM receivers

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.

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Bibliographische Detailangaben
Hauptverfasser: Schuchert, A., Hasholzner, R., Buchholz, M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Adaptive equalizers
Adaptive filters
Demodulation
Digital TV
Filtering
Frequency dependence
Frequency domain analysis
OFDM
Phase distortion
TV receivers
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Beschreibung
Zusammenfassung: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.
DOI:10.1109/ICCE.2001.935198