METHOD AND APPARATUS FOR ESTIMATING PHASE NOISE IN WIRELESS COMMUNICATION SYSTEM
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United States of America Patent
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Aug 31, 2023
app pub date -
Jul 10, 2020
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Jul 10, 2020
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Abstract
A method for estimating a phase noise by a wireless device in a wireless communication system according to an embodiment of the present disclosure comprises the steps of: receiving a pre-configured pilot signal and a phase tracking reference signal (PTRS); calculating a first phase noise on the basis of the pre-configured pilot signal; calculating a common phase error (CPE) on the basis of the phase tracking reference signal (PTRS); and estimating a phase noise (PN) on the basis of the first phase noise and the common phase error (CPE). The PN is estimated through interpolation based on a specific reference point, and the specific reference point is based on the first phase noise and the CPE.
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