NDLI: A combined timing and frequency synchronization and channel estimation for OFDM

Content Provider	IEEE Xplore Digital Library
Author	Hlaing Minn Bhargava, V.K. Letaief, K.B.
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. Eng., Texas Univ., Dallas, TX, USA (Hlaing Minn)
Abstract	The idea of combined timing and frequency synchronization and channel estimation is quite desirable since the synchronization and channel estimation tasks can affect each other. This paper addresses training signal based combined timing and frequency synchronization and channel estimation for OFDM systems. The proposed scheme consists of two stages. At the first stage, coarse timing and frequency offset estimates are obtained. Based on these estimates, a (coarse) channel response estimate is obtained. The timing and frequency offset estimates at the second stage are obtained by a maximum likelihood (ML) realization based on sliding observation vector. Then a ML channel estimation is performed. The simulation results show that the proposed combined approach performs quite well and circumvents the problem of mismatch among individual synchronization tasks.
Starting Page	872
Ending Page	876
File Size	351928
Page Count	5
File Format	PDF
ISBN	0780385330
DOI	10.1109/ICC.2004.1312626
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-20
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Timing Frequency synchronization Channel estimation OFDM Frequency estimation Maximum likelihood estimation Delay effects Sampling methods Filters Estimation error
Content Type	Text
Resource Type	Article

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