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首页> 外文期刊>Wireless personal communications: An Internaional Journal >Practical Signal Recovery of WLAN OFDM Signals in the Presence of IQ Imbalance, Phase Noise, and Unknown Channel Frequency Response
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Practical Signal Recovery of WLAN OFDM Signals in the Presence of IQ Imbalance, Phase Noise, and Unknown Channel Frequency Response

机译:IQ不平衡,相位噪声和未知信道频率响应的情况下WLAN OFDM信号的实用信号恢复

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摘要

We propose two solutions to combat against the IQ imbalance, multipath fading, phase noise, and additive white Gaussian noise in the IEEE 802.11a environment. We show by computer simulations that our proposed least squared (LS) and least mean squared (LMS) solutions outperform, in terms of bit error rate, the solutions in some other papers. Our LMS solution, which does not require matrix inversion, is more computational efficient than our LS solution. Hence, our LMS solution is of practical use.
机译:我们提出了两种解决方案来应对IQ失衡,多径衰落,相位噪声和IEEE 802.11a环境中的加性高斯白噪声。通过计算机仿真,我们证明了我们提出的最小二乘(LS)和最小均方(LMS)解决方案在误码率方面优于其他一些论文。我们的LMS解决方案不需要矩阵求逆,比我们的LS解决方案具有更高的计算效率。因此,我们的LMS解决方案具有实际用途。

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