Frequency offset estimation and correction in the IEEE 802.11a WLAN

被引:0
|
作者
Sourour, E [1 ]
El-Ghoroury, H [1 ]
McNeill, D [1 ]
机构
[1] Ellipsis Digital Syst Inc, Carlsbad, CA 92009 USA
关键词
OFDM; WLAN; frequency offset; synchronization;
D O I
暂无
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
This paper shows how to utilize the Short Training Sequence, Long Training Sequence and Pilot Subcarriers, of the IEEE 802.11a frame, to estimate and equalize the effect of both carrier and sampling frequency offset. To reduce cost the equalization process is performed digitally. Using computer simulation, we show that the presented scheme nearly eliminates the degradation due to frequency offset for all IEEE 802.11a modulation schemes. The performance measures are the root-mean-squared error (RMSE) and BER in a fading channel.
引用
收藏
页码:4923 / 4927
页数:5
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