Practical issues in frequency domain synchronization for filter bank based multicarrier transmission

In this paper we address the practical problems when dealing with synchronization and channel estimation in a filter bank based multicarrier system. We present an approach for performing timing synchronization, carrier frequency offset estimation and correction, and channel estimation based on the u...

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Bibliographic Details
Main Authors: Stitz, T.H., Ihalainen, T., Renfors, M.
Format: Conference Proceeding
Language:English
Subjects:
Baseband
Channel bank filters
Channel estimation
Filter bank
Frequency domain analysis
Frequency estimation
Frequency synchronization
Performance analysis
Signal sampling
Timing
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Summary:In this paper we address the practical problems when dealing with synchronization and channel estimation in a filter bank based multicarrier system. We present an approach for performing timing synchronization, carrier frequency offset estimation and correction, and channel estimation based on the use of the same training sequences for all the three tasks. We show that it is possible to perform them all after the analysis filter bank at the receiver, at low sampling rate, taking advantage of the high selectivity of the subband filters. The possibility to implement all the receiver baseband signal processing functionalities in frequency domain results in a very flexible overall receiver architecture, suitable for dynamic use of the frequency spectrum.
DOI:10.1109/ISCCSP.2008.4537260