Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Reexamination Certificate
2006-02-18
2009-11-03
Sheikh, Ayaz R (Department: 2419)
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
C375S372000
Reexamination Certificate
active
07613211
ABSTRACT:
A method for digital clock smoothing comprising: (A) inputting an asynchronous data stream having an asynchronous symbol rate into a two-port memory block; (B) accumulating a plurality of symbols of the asynchronous data stream in the two-port memory block for a predetermined time period; (C) computing an average symbol rate for the input asynchronous data stream; (D) generating a clock error signal equal to the difference between the average symbol rate of the input asynchronous data stream and a nominal output synchronous clock; (E) obtaining a smoothed symbol rate clock by using the error clock signal; and (F) generating an output smoothed data stream having the smoothed symbol rate clock.
REFERENCES:
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patent: 6714717 (2004-03-01), Lowe et al.
Fagerlund Richard John
Flynn James P.
Fong Mark
Isaksen David Bruce
Hsiung Hai-Chang
Sheikh Ayaz R
Tankhilevich Boris G.
Wideband Semiconductors, Inc.
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