Phase sampling techniques using amplitude bits for digital receivers
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United States of America Patent
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Sep 26, 2006
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N/A
app pub date -
Dec 21, 2001
filing date -
Dec 21, 2000
priority date (Note) -
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Abstract
The present invention uses at least one amplitude bit to assist the phase-sampling technique used in digital receiver architectures. For digital receivers where the Intermediate Frequency (IF) is an integer multiple of the fundamental frequency f.sub.o, the present invention provides reduced processing complexity and reduced power consumption. The present invention allows the digital receiver to avoid performing coordinate rotation at high speeds, and replaces such a coordinate rotation with a simple phase subtraction. This replacement of the coordinate rotation allows the receiver to use a less complicated design, and to consume less power as a result.
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