Oversampling to Reduce the Effect of Timing Jitter on High Speed OFDM Systems

被引：10
|
作者：
Yang, Lei [1 ]
Armstrong, Jean [1 ]
机构：
[1] Monash Univ, Dept Elect & Comp Syst Engn, Clayton, Vic 3800, Australia
来源：
IEEE COMMUNICATIONS LETTERS | 2010年 / 14卷 / 03期
基金：
澳大利亚研究理事会;
关键词：
Timing jitter; OFDM; oversampling;
D O I：
10.1109/LCOMM.2010.03.091963
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
The impairments caused by timing jitter are a significant limiting factor in the performance of very high data rate OFDM systems. In this letter we show that oversampling can reduce the noise caused by timing jitter. Both fractional oversampling achieved by leaving some band-edge OFDM subcarriers unused and integral oversampling are considered. The theoretical results are compared with simulation results for the case of white timing jitter showing very close agreement. Oversampling results in a 3 dB reduction in jitter noise power for every doubling of the sampling rate.
引用
收藏
页码：196 / 198
页数：3
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