OFDM接收机中有效的导频辅助数字基带相位噪声补偿

GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference Pub Date : 2009-11-30 DOI:10.1109/GLOCOM.2009.5426095

P. Rabiei, W. Namgoong, N. Al-Dhahir

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引用次数: 4

摘要

提出了一种检测存在相位噪声的分组OFDM信号的新方法。利用每个数据OFDM符号中的分散导频来非迭代估计和减轻相位噪声引起的载波间干扰(ICI)。使用该技术可以显著提高误码率(BER)，特别是在高相位噪声的系统中。

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Efficient Pilot-Aided Digital Baseband Compensation of Phase Noise ICI in OFDM Receivers

A new method for detecting packet-based OFDM signals in the presence of phase noise is presented. The scattered pilots in each data OFDM symbol are used to noniteratively estimate and mitigate the phase noise induced inter-carrier interference (ICI). A significant improvement in the bit error rate (BER) is achieved using this technique, especially for systems suffering from high phase noise.

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GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference

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