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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"line bfrequency offset destimation"" "subject:"line bfrequency offset coestimation""

1

A comparison of frequency offset estimation methods in Orthogonal Frequency Division Multiplexing (OFDM) systems

Karaoglu, Bulent 12 1900 (has links)
Approved for public release; distribution in unlimited. / OFDM is a modulation technique that achieves high data rates, increased bandwidth efficiency and robustness in multipath environments. However, OFDM has some disadvantages, such as sensitivity to channel fading, large peak to average ratio and sensitivity to frequency offset. The latter causes intercarrier interference (ICI) and a reduction in the amplitude of the desired subcarrier which results in loss of orthogonality. In this thesis, the effects of frequency offset are studied in terms of loss of orthogonality. A number of techniques for frequency offset estimation are presented and tested in computer simulations. / Lieutenant Junior Grade, Turkish Navy
Multiplexing
Space time codes
Wireless communication systems
Frequency Offset
Coarse Frequency Offset Estimation
Fine Frequency Offset Estimation
IFFT(Inverse Fast Fourier Transform)
FFT
Cyclic Prefix
MATLAB
Preamble
OFDM Symbol

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