The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 29, 1996
Filed:
Apr. 28, 1995
Hung-Sheng Lin, Chiu-Ju, TW;
Abstract
A frame timing acquisition system and method are provided including a correlator for comparing a first fixed length subsequence of bits of a received bitstream to a predetermined sync word. A CRC check circuit is provided for, in response to the correlator determining that the first fixed length subsequence of bits matches the predetermined sync word, if a third fixed length subsequence of bits of the bitstream is a cyclical redundancy code parity word formed from a second fixed length subsequence of bits of the bitstream. A decision circuit is also provided for identifying boundaries of a frame of the received bitstream in response to the CRC check circuit determining that the third fixed length subsequence of bits is a cyclical redundancy check parity word of the second fixed length subsequence of bits. According to the inventive method and system, a sync word need be identified in only a single slot of the frame in order to acquire the frame timing.