Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jia-Yi Chen0
Ching-Piao Hung0
Date of Patent
June 29, 2010
0Patent Application Number
115182540
Date Filed
September 11, 2006
0Patent Primary Examiner
Patent abstract
A bit synchronization method and system for a GPS, which receives a satellite signal sent by a satellite to accordingly produce a synchronous signal. Each data bit of the satellite signal consists of N CA-codes. A data buffer receives and stores the data bits of the satellite signal. A matched filter filters the N CA-codes of each data bit in order to compute correlations of the N CA-codes of each data bit, and accordingly output a correlation set corresponding to the data bit, wherein the correlation set has N correlations. A selector selects one with the greatest value from the N correlations and uses the CA-code corresponding to the one with the greatest value as the synchronization signal.
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