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一种低复杂度的消除相位噪声的方法

DOI: 10.11834/jig.20091032

Keywords: 正交频分复用(OFDM),相位噪声,连续传输参数指令(TPS),数字电视地面广播

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Abstract:

正交频分复用(OFDM)易受相位噪声的干扰。本文介绍了一种低复杂度的、基于有限长度的TPS算法的相位噪声消除方法,在相位噪声的频带比较窄的假设下,分析了它的简便性和实用性。仿真结果表明,基于TPS的消除相位噪声的方法,不仅能同时消除公共相位噪声(CPE)和子载波间干扰(ICI),而且在多径信道下,性能损失不大的情况下,大大降低了硬件实现的复杂度。

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