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公开(公告)号：US20190215207A1
公开(公告)日：2019-07-11
申请号：US16359355
申请日：2019-03-20
Applicant: Samsung Electronics Co., Ltd.
Inventor： Young-yun KANG , Min-ho Shin , Hyun-ju Go
CPC classification number: H04L27/266 , H03J7/02 , H03L7/08 , H03L7/093 , H04B7/01 , H04L25/0202 , H04L25/0226 , H04L27/0014 , H04L2027/0026 , H04L2027/0065 , H04L2027/0067
Abstract: Automatic frequency controllers, automatic frequency control methods, wireless communication devices, and/or wireless communication methods are provided. The automatic frequency controllers for correcting a frequency offset between a base station and a terminal includes at least one processor communicatively coupled to a memory and configured to execute computer-readable instructions stored in the memory to obtain a phase estimate from a reference signal received from the base station; classify a downlink channel as a High Speed Train (HST) channel or a non-HST channel based on the phase estimate; adjust a loop gain according to the classified downlink channel; calculate a phase error based on the phase estimate and the loop gain; correct the frequency offset using the phase error; and communicate with the base station after correcting the frequency offset.
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公开(公告)号：US10536317B2
公开(公告)日：2020-01-14
申请号：US16359355
申请日：2019-03-20
Applicant: Samsung Electronics Co., Ltd.
Inventor： Young-yun Kang , Min-ho Shin , Hyun-ju Go
Abstract: Automatic frequency controllers, automatic frequency control methods, wireless communication devices, and/or wireless communication methods are provided. The automatic frequency controllers for correcting a frequency offset between a base station and a terminal includes at least one processor communicatively coupled to a memory and configured to execute computer-readable instructions stored in the memory to obtain a phase estimate from a reference signal received from the base station; classify a downlink channel as a High Speed Train (HST) channel or a non-HST channel based on the phase estimate; adjust a loop gain according to the classified downlink channel; calculate a phase error based on the phase estimate and the loop gain; correct the frequency offset using the phase error; and communicate with the base station after correcting the frequency offset.
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公开(公告)号：US10291456B2
公开(公告)日：2019-05-14
申请号：US15657598
申请日：2017-07-24
Applicant: Samsung Electronics Co., Ltd.
Inventor： Young-yun Kang , Min-ho Shin , Hyun-ju Go
Abstract: Automatic frequency controllers, automatic frequency control methods, wireless communication devices, and/or wireless communication methods are provided. The automatic frequency controllers for correcting a frequency offset between a base station and a terminal includes at least one processor communicatively coupled to a memory and configured to execute computer-readable instructions stored in the memory to obtain a phase estimate from a reference signal received from the base station; classify a downlink channel as a High Speed Train (HST) channel or a non-HST channel based on the phase estimate; adjust a loop gain according to the classified downlink channel; calculate a phase error based on the phase estimate and the loop gain; correct the frequency offset using the phase error; and communicate with the base station after correcting the frequency offset.
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