Method and system to measure the phase offset based on the frequency response in a NFC system
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United States of America Patent
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Apr 3, 2018
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app pub date -
Aug 1, 2016
filing date -
Aug 1, 2016
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Abstract
The present invention provides for a method and system for compensating phase offset caused by a matching network and antenna of a communications device. The method comprises: generating a mapping that correlates phase offset with a characteristic parameter; measuring the characteristic parameter for the communications device; using the measured characteristic parameter and the mapping to determine a phase offset for the communications device; and using the determined phase offset to compensate for the phase offset caused by the matching network and antenna of the communications device. The present invention also provides for a method and system for measuring a phase offset caused by a matching network and antenna of a communications device.
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