Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2011-06-07
2011-06-07
Payne, David C. (Department: 2611)
Pulse or digital communications
Spread spectrum
Direct sequence
C375S355000, C708S313000
Reexamination Certificate
active
07957455
ABSTRACT:
A discrete sampling control signal, which influences the sampling time, from a sampling phase selection element is calibrated by definition of quantization intervals for a sampling time error signal. For this purpose, a received signal is shifted through a series of time shifts τiin the signal path upstream of the sampling phase selection element. The sampling time errors eiassociated with the respective time shifts τiare measured. The quantization steps of the sampling control signal that are suitable for the sampling phase selection element are then determined from the relationship obtained between τiand ei.
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Paul Steffen
Ruprich Thomas
Wenzel Dietmar
Eschweiler & Associates LLC
Infineon - Technologies AG
Nguyen Leon-Viet Q
Payne David C.
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