Frequency offset estimation apparatus and method in wireless telecommunication system
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United States of America Patent
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Feb 5, 2013
Grant Date -
Jan 1, 2009
app pub date -
Dec 28, 2006
filing date -
Dec 30, 2005
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Abstract
The present invention relates to an apparatus and method for estimating a frequency offset in a wireless telecommunication system. The present invention does not estimate an initial frequency offset using a preamble which is the initial symbol of a frame upon estimation of the frequency offset in the wireless telecommunication system, but estimates a frequency offset using correlation of a cyclic prefix (CP) existing in each symbol, thereby eliminating a need to reproduce information about separate preamble signals and preamble signals, and easily estimating a frequency offset using only input signals.
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