Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hung-Hsiang Wang0
Date of Patent
April 7, 2009
0Patent Application Number
112467320
Date Filed
October 8, 2005
0Patent Primary Examiner
Patent abstract
A synchronization apparatus and method for an OFDM system includes four portions: delay conjugate multiplication, phase processing, delay moving sum and minimum value detection. The invention performs the correlation phase operation and finds out the location of abnormal change for the phase difference of the output signal. The location is used for the reference of symbol synchronization. It overcomes the problems of incorrect judge about synchronization location due to the channel fading or noise. The invention can be applied to wire/wireless communications or digital video broadcasting-terrestrial systems, specialized in symbol synchronization at a receiving end.
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