Error-tolerant byte synchronization recovery scheme

Details Error-tolerant byte synchronization recovery scheme Error-tolerant byte synchronization recovery scheme

1995-05-12

1996-08-06

Beausoliel, Jr., Robert W.

Excavating

3951821, 39518501, 371 54, 371 42, 3642853, 3642689, G06F 1100

Patent

active

055441807

ABSTRACT:
An improved technique for detecting a byte synchronization field encoded on a data storage drive. The technique correctly recovers the byte synchronization even if the byte is corrupted by a single burst error of as many as b bits. One preferred embodiment of an apparatus which implements the improved technique includes a data register for accepting a sequence of data bits from the data storage drive and a synchronization pattern register for storing a selected error-tolerant synchronization field sequence. The contents of the synchronization pattern register are compared with the contents of the data register, and a synchronization detector locates the synchronization field in the sequence of data bits. A number of improved byte synchronization sequences are provided, which yield improved error tolerance when employed in conjunction with the above scheme. A method for determining such improved byte synchronization sequences is also provided.

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