INFLUENCE OF PHASE NOISE ON OFDM DATA TRANSMISSION SYSTEMS

被引:2
|
作者
Mal'tsev, A. A. [1 ]
Maslennikov, R. O. [1 ]
Khoryaev, A. V. [1 ]
机构
[1] NI Lobachevsky State Univ Nizhny Novgorod, Nizhnii Novgorod, Russia
关键词
Orthogonal Frequency Division Multiplex; Power Spectral Density; Phase Noise; Additive White Gaussian Noise; Orthogonal Frequency Division Multiplex System;
D O I
10.1007/s11141-011-9244-1
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We discuss the influence of the phase noise on OFDM data transmission systems. It is shown that intercarrier interference appearing due to the influence of the phase fluctuations on the OFDM communication system can be represented as two components, one of which has a uniform distribution across all the subcarriers, while the other has a nonuniform frequency-selective distribution determined by the transmission function of the communication channel. Therefore, the total distribution of intercarrier interference is frequency-selective with a higher power concentrated at stronger subcarriers. It is shown that the phase-noise influence on the OFDM communication system in frequency-selective communication channels is relatively weaker than that in frequency-flat channels without time dispersion.
引用
收藏
页码:475 / 487
页数:13
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