Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Patent
1997-10-30
2000-07-25
Hsu, Alpus H.
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
370514, 370515, 375365, 375366, 375368, H04J 306, H04L 700
Patent
active
060944439
ABSTRACT:
A network interface in a workstation computer includes a pattern matching circuit to enable the workstation computer to wake up to perform prescribed operations requested by a remote workstation. The pattern recognition circuit includes a pattern memory configured for storing a pattern entry for at least a portion of a predetermined pattern. The pattern entry includes a pattern data field and a second field specifying a number of bytes in the input data stream to be ignored prior to comparison with the pattern data field. The pattern matching circuit also includes a comparator for comparing the pattern data field with a selected group of bytes from the data stream. Pattern match logic determines whether the received data packet includes the predetermined pattern based on the comparison result. The second field enables the comparator to selectively ignore a number of bytes in the data stream prior to comparison with a pattern data field, minimizing the amount of null data values that need to be stored in pattern memory. Hence, the second data field enables efficient compression of pattern data in memory.
REFERENCES:
patent: 5483539 (1996-01-01), Kaufmann
patent: 5557614 (1996-09-01), Sandler et al.
patent: 5557742 (1996-09-01), Smaha et al.
patent: 5590159 (1996-12-01), Anderson
patent: 5608734 (1997-03-01), Sandler et al.
patent: 5742647 (1998-04-01), Chaisemartin
patent: 5903619 (1999-05-01), Chaisemartin
patent: 5982786 (1999-11-01), Grivna
Al-Subbagh et al. "Optimum Patterns for Frame Alignment", Dec. 1998, pp. 594-603.
Christodoulides et al. "Frame Synchronisation using two frame alignment words", Jan. 1994, pp. 104-106.
Advanced Micro Devices , Inc.
Hsu Alpus H.
Qureshi Afsar M.
LandOfFree
Apparatus and method for detecting a prescribed pattern in a dat does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus and method for detecting a prescribed pattern in a dat, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for detecting a prescribed pattern in a dat will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1341736