Pulse or digital communications – Receivers – Particular pulse demodulator or detector
Reexamination Certificate
2006-06-20
2006-06-20
Fan, Chieh M. (Department: 2634)
Pulse or digital communications
Receivers
Particular pulse demodulator or detector
C375S316000, C375S239000, C375S286000, C329S304000
Reexamination Certificate
active
07065160
ABSTRACT:
A method for correcting the phase of a clock in a data receiver which receives a data flow representing different signal levels with logical high and low signal values and signal transitions positioned therebetween, wherein the positions of such signal transitions between respective two adjacent logical signal values are evaluated for correcting the phase of the clock. The position of a signal transition between a first pair of signal values on one level (11) or a second pair of signal values on the other level (00) is weighted stronger in the evaluation then the positions of signal transitions between adjacent single signal values (1,0) of different signal levels.
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J. D. H. Alexander, “Clock Recovery From Random Binary Signals”,Electronic Letters,vol. 11, (Oct. 1975), pp. 541-542.
Berger Matthias
Dorschky Claus
Haunstein Herbert
Kunz Frank
Schulien Christoph
Fan Chieh M.
File Erin M.
Lucent Technologies - Inc.
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