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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 1/2017

29.04.2017

Time and Frequency Synchronization with Channel Estimation for SC-FDMA Systems Over Time-Varying Channels

verfasst von: Hakan Doğan, Niyazi Odabaşıoğlu, Bahattin Karakaya

Erschienen in: Wireless Personal Communications | Ausgabe 1/2017

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Abstract

The constant amplitude zero autocorrelation sequence based synchronization and its usage in the block-type channel estimation for the single carrier frequency division multiple access (SC-FDMA) systems are vulnerable to the time-varying channels. Therefore, the channel estimation errors limit the performance of SC-FDMA systems in fast fading environments and result an irreducible error floor. In this paper, cyclic prefix based maximum likelihood estimator of time/frequency synchronization with comb-type channel estimation for the SC-FDMA systems are proposed to track the channel variations. Moreover, the residual time/frequency offsets calculations are derived for SC-FDMA systems. Simulation results confirm and illustrate that the proposed receiver is capable of tracking fast fading channel parameters and improving the overall performance as compared with the conventional receiver.
Vorheriger Artikel Decision Aided Uplink Compressive Channel Estimation for Massive MIMO Systems
Nächster Artikel Modeling and Statistical Analysis of Scenario Metric Parameters of Ad Hoc on Demand Distance Vector Routing Protocol

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Metadaten
Titel
Time and Frequency Synchronization with Channel Estimation for SC-FDMA Systems Over Time-Varying Channels
verfasst von
Hakan Doğan
Niyazi Odabaşıoğlu
Bahattin Karakaya
Publikationsdatum
29.04.2017
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 1/2017
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-017-4160-0

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