NDLI: Blind Frequency Ambiguity Resolution in OFDM Systems Using a Linear Precoder

Content Provider	Springer Nature Link
Author	Xu, Weiyang Fu, Xiaolin
Copyright Year	2012
Abstract	This paper presents a technique of the blind frequency ambiguity resolution for orthogonal frequency division multiplexing systems. The basic idea behind this method is a linear precoding scheme applied to data in predefined subcarriers before the inverse discrete Fourier transform to deploy a correlation structure, thus the integer part of the carrier frequency offset can be estimated after the discrete Fourier transform via cross correlation operations among these subcarriers. Performance analysis is carried out to gain insight into the relationship between the false estimation probability and system parameters. Allocation of these predefined subcarriers is optimized to avoid false estimation. Finally, numerical simulations are conducted to demonstrate the efficiency of the proposed method and the performance comparison with the existing estimators.
Starting Page	577
Ending Page	588
Page Count	12
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	71
Issue Number	1
e-ISSN	1572834X
Language	English
Publisher	Springer US
Publisher Date	2012-09-14
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	OFDM IFO Blind estimation Linear precoding Communications Engineering, Networks Signal, Image and Speech Processing Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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