Abstract
(57) (Summary) A PSK signal is received and digitized by a limiter (26) to substantially remove the amplitude characteristics of the signal. The phase detector (44) receives digital data and provides a phase estimate based on the transition of the data between the high and low states. The phase estimate is converted by a data decoder (50) into binary data representing the symbols, forming a PSK signal. Many digital data overlapping windows are used to determine the phase estimate. The unique word detector (52) receives the binary data from the data decoder (50) and uses a correlation technique to select one of the windows that substantially maximizes the synchronization of the demodulator with the received PSK signal. Identify the set. After the synchronization window is identified, the automatic frequency controller (46) monitors any drift in the PSK signal and modifies the phase estimate.
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| 3G | 08/04/2007 | ISLD-200704-002 | BROADCOM CORP | No | Family Member | ||||
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