Method and system for undersampled symbol synchronization

Details Method and system for undersampled symbol synchronization Method and system for undersampled symbol synchronization

2005-04-18

2009-02-03

Phu, Phuong (Department: 2611)

Pulse or digital communications

Synchronizers

Frequency or phase control using synchronizing signal

C375S367000, C375S366000, C375S343000, C375S149000, C370S514000, C370S515000, C370S513000

Reexamination Certificate

active

07486755

ABSTRACT:
Described is a system and method for providing a synchronization pattern in a communication system. The method includes generating a synchronization pattern with good randomness properties; packing a signal for transmission with m headers, each header consisting of the synchronization pattern 1/m symbol-time shifted from the previous header; and transmitting the signal. A further method provides for the sampling the transmitted signal with m headers of symbol-time shifted synchronization patterns; and determining symbol timing offset by computing and reordering correlation peaks from the synchronization patterns. A system includes a transmitting system, a receiving system, and a data channel. The transmitted signal includes m headers with 1/m symbol-time shifted synchronization patterns. The receiving system undersamples the transmitted signal with m synchronization patterns to simulate an oversampled synchronization pattern.

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