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METHOD FOR GENERATING TRANSMISSION SIGNAL INCLUDING PRE-CONJUGATED PREAMBLE, METHOD FOR DETECTING PREAMBLE FROM RECEIVED SIGNAL INCLUDING PRE-CONJUGATED PREAMBLE AND METHOD FOR RESTORING PREAMBLE FROM RECEIVED SIGNAL INCLUDING PRE-CONJUGATED PREAMBLE
METHOD FOR GENERATING TRANSMISSION SIGNAL INCLUDING PRE-CONJUGATED PREAMBLE, METHOD FOR DETECTING PREAMBLE FROM RECEIVED SIGNAL INCLUDING PRE-CONJUGATED PREAMBLE AND METHOD FOR RESTORING PREAMBLE FROM RECEIVED SIGNAL INCLUDING PRE-CONJUGATED PREAMBLE
PURPOSE: A method for generating a transmission signal including pre-conjugated preamble, a method for detecting preamble from a received signal including pre-conjugated preamble, and a method for restoring from a received signal including pre-conjugated preamble are provide to detect preamble which does not increase the complexity of the calculation and the performance degradation due to the frequency offset. CONSTITUTION: A transmission symbol including the data symbol and the pilot symbol are generated. A preamble sequence for the synchronization is generated. The conjugate calculation is performed in at least some of the preamble sequences. The preamble sequence performing conjugate calculation in at least some parts are inserted into the transmission symbol for generating the transmission symbol.
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