Frequency offset estimation technique for MB-OFDM based UWB systems

被引：0
|
作者：
Hwang H.
Rehman R.
机构：
来源：
Transactions of the Korean Institute of Electrical Engineers | 2011年 / 60卷 / 03期
关键词：
Cramer rao lower bound; Frequency offset estimation; Multiband ofdm; Ultra wideband;
D O I：
10.5370/kiee.2011.60.3.648
中图分类号：
学科分类号：
摘要：
We propose a new frequency offset estimation technique for multiband orthogonal frequency modulation (MB-OFDM) based ultra wideband (UWB) systems. The proposed frequency offset estimation technique is related to the scheme of Schmidl for channel model 1 (4-10m NLOS, rms. delay =14.3ns.) using more than two symbols and with alternate symbols. Variance of frequency offset estimate obtained from the proposed frequency offset estimation technique approaches very nearing to Cramer Rao Lower Bound (CRLB) in an AWGN channel. BER performance of the proposed technique is also presented.
引用
收藏
页码：662 / 668
页数：6
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