频率选择衰落信道中收发IQ不平衡的基带补偿

2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications Pub Date : 2006-07-02 DOI:10.1109/SPAWC.2006.346367

J. Oostveen, A. Schoonen, F. Willems

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引用次数: 2

摘要

本文提出了一种在频率选择衰落信道中OFDM收发IQ不平衡估计与补偿的基带算法。仿真结果表明，该算法几乎可以完全消除IQ不平衡对系统性能的负面影响。该算法是一个迭代循环，由连续信道估计、Rx IQ不平衡估计、Tx IQ不平衡估计和数据估计组成

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

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

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

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