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Coarse Time- and Frequency Synchronization Applied in a Mobile WiMAX System

Tero Hurnanen, Jussi Poikonen, Jarkko Paavola, Coarse Time- and Frequency Synchronization Applied in a Mobile WiMAX System. In: Proceedings ISWCS 2009, 2009.

Abstract:

In this paper, we present coarse synchronization
algoritms for OFDM systems, specifically applied with mobile
WiMAX transmissions. We consider computationally efficient
synchronization algorithms, which are applicable also without
full knowledge of the properties of the transmitted signal at
the receiver. Although the proposed algorithms are considered
for a mobile WiMAX system, their application is not limited to
the specific WiMAX signal structure. Indeed, they can be used
on any OFDM system with certain type of training sequence.
Approaches are considered both for time and for frequencydomain
synchronization. In the time-domain case, the proposed
algorithm improves the accuracy of a previously studied coarse
synchronization approach without significant increase in computational
complexity. Furthermore, the considered frequencydomain
synchronization method provides computationally effi-
cient and accurate results without explicit prior information on
the transmitted signal contents, also in the presence of severe
phase error caused by timing inaccuracy.

BibTeX entry:

@INPROCEEDINGS{inpHuPoPa09a,
  title = {Coarse Time- and Frequency Synchronization Applied in a Mobile WiMAX System},
  booktitle = {Proceedings ISWCS 2009},
  author = {Hurnanen, Tero and Poikonen, Jussi and Paavola, Jarkko},
  year = {2009},
}

Belongs to TUCS Research Unit(s): Microelectronics

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