Transmitter system with digital phase rotator used for applying digital phase rotation to constellation data and related signal transmission method thereof
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United States of America Patent
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Jul 28, 2015
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May 19, 2014
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May 21, 2013
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Abstract
A transmitter system includes a digital phase rotator, a phase rotation controller, and a digital radio-frequency (RF) transmitter. The digital phase rotator receives a first constellation data, and applies a digital phase rotation to the received first constellation data to generate a second constellation data. The phase rotation controller configures the digital phase rotation. The digital RF transmitter receives a digital input data derived from the second constellation data, and converts the digital input data into an analog RF output.
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