Frequency-offset synchronization and channel estimation for OFDM-based transmission

This letter is concerned with a frequency offset estimation technique for OFDM based transmission systems. The frequency estimation technique utilizes a repetitive signal structure inside of a OFDM symbol which is used to enlarge the range and increase the accuracy of offset estimation. Also, an ave...

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Bibliographic Details
Published in:IEEE communications letters 2000-03, Vol.4 (3), p.95-97
Main Authors: SONG, H.-K, YOU, Y.-H, PAIK, J.-H, CHO, Y.-S
Format: Article
Language:English
Subjects:
Applied sciences
AWGN
Bursting
Channel estimation
Channels
Equalizers
Exact sciences and technology
Expansion
Frequency division multiplexing
Frequency estimation
Frequency synchronization
Intersymbol interference
Nonlinear distortion
OFDM modulation
Offsets
Orthogonal Frequency Division Multiplexing
Symbols
Synchronism
Synchronization
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
Wireless sensor networks
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Summary:This letter is concerned with a frequency offset estimation technique for OFDM based transmission systems. The frequency estimation technique utilizes a repetitive signal structure inside of a OFDM symbol which is used to enlarge the range and increase the accuracy of offset estimation. Also, an averaged decision-directed channel estimation (ADDCE) technique suitable for burst data is proposed.
ISSN:1089-7798
1558-2558
DOI:10.1109/4234.831036