Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Manabu Nakamura0
Shinichi Miyashita0
Date of Patent
April 4, 2006
0Patent Application Number
099551140
Date Filed
September 19, 2001
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A demodulation method for establishing clock synchronization within a short period of time from a received signal modulated by π/4-shift QPSK modulation that contains a synchronization establishment signal wherein the change in phase periodically alternates between positive and negative, and for demodulating the received signal. The method includes establishing synchronization from the received signal based on the timing of changes in the positive/negative polarity of the change in phase of the synchronization establishment signal contained in the received signal, and demodulating the received signal.
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