...间的正交性,但是会导致数据符号在子信道上平移整数个子载波间隔;而小数频偏则会造成子信道干扰(Inter-channel Interference,ICI),极大地影响系统的性能[1],所以精确的CFO估计方法是必须的。
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Interchannel interference (ICI) is a dominant source of error for OFDM systems over mobile dispersive fading channels.
移动衰落信道中正交频分复用(OFDM)系统的子信道干扰(ICI)是引起系统性能下降的主要因素。
参考来源 - 移动OFDM系统中子信道干扰及其均衡算法·2,447,543篇论文数据,部分数据来源于NoteExpress
对于多载波系统,载波频率的偏移会导致子信道之间产生干扰。
The offset of carrier frequency can cause interference between subchannels in a multicarrier system.
改进的多用户检测算法将子空间算法和约束优化算法结合起来,在强干扰信道中能有效提高系统性能。
This algorithm joint the constrained optimization algorithm and subspace algorithm, can improve the system performance in strong interfere environment.
时变信道以及信道冲激响应超过CP会带来子信道间干扰(ICI)和残留码间干扰(ISI),产生误码率平台。
The interchannel interference(ICI) and the residual intersymbol interference(ISI) could be introduced by time varying channel with channel impulse response that exceeds the length of CP.
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