Methods and structures of multi-level comma detection and...

Details Methods and structures of multi-level comma detection and... Methods and structures of multi-level comma detection and...

2008-03-18

2008-03-18

Tieu, Benny Q. (Department: 4177)

Multiplex communications

Communication techniques for information carried in plural...

Byte assembly and formatting

C370S470000, C370S472000, C370S473000, C370S506000

Reexamination Certificate

active

10829037

ABSTRACT:
Methods and structures of performing multi-level comma detection and alignment on an unaligned data stream. Each string of N consecutive bits in the unaligned data stream is monitored for a predetermined byte value. When the predetermined byte value is located, the unaligned data stream is aligned with the predetermined byte value, producing a partially aligned data stream. A string of bytes from the partially aligned data stream is then compared with a predetermined sequence of byte values. When the predetermined sequence is located, the partially aligned data stream is aligned based on the location of the predetermined sequence within the partially aligned data stream. The invention also encompasses multi-level comma detection and alignment circuits that can perform, for example, the previously described inventive methods.

REFERENCES:
patent: 6560275 (2003-05-01), Lecourtier et al.
patent: 7230956 (2007-06-01), Ambrose et al.
Tektronix; Document No. 2RW-11407-2; “SONET Telecommunications Standard Primer”; published by Tektronix, Inc.; 2001; available at http://www.tek.com/Measurement/App—Notes/SONET/2RW—11407—1.pdf; pp. 1-34.

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