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Baseband Compensation of Transmitter and Receiver IQ Imbalance for OFDM in Frequency Selective Fading Channels

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3 Author(s)
Job C. Oostveen ; Philips Research Laboratories Eindhoven, The Netherlands. ; Admar Schoonen ; Frans Willems

In this paper, we present a baseband algorithm for estimation and compensation of transmitter and receiver IQ imbalance for OFDM in a frequency-selective fading channel. We show by simulations that the negative effect of IQ imbalance on system performance can be almost completely removed by the proposed algorithm. The algorithm is an iterative loop, consisting of consecutively channel estimation, Rx IQ imbalance estimation, Tx IQ imbalance estimation and data estimation

Published in:

2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications

Date of Conference:

2-5 July 2006