Method of estimating symbol synchronization in OQPSK...

Details Method of estimating symbol synchronization in OQPSK... Method of estimating symbol synchronization in OQPSK...

2006-09-26

2009-11-03

Kim, Kevin Y (Department: 2611)

Pulse or digital communications

Synchronizers

C375S331000

Reexamination Certificate

active

07613261

ABSTRACT:
The present invention relates to a method of estimating symbol synchronization for an Offset Quadrature Phase Shift Keying (OQPSK) demodulator applicable to a Zigbee receiver. More particularly, the invention relates to a method of recovering symbol synchronization of an OQPSK demodulator in which a reference correlation value is reset using a correlation value of a reception signal when detecting symbol synchronization in the OQPSK demodulator, preventing errors in detecting symbol synchronization due to noise, thereby increasing the accuracy in symbol synchronization.

REFERENCES:
patent: 2008/0101442 (2008-05-01), Rasmussen
patent: 1134928 (2001-09-01), None

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