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公开(公告)号：US20240179033A1
公开(公告)日：2024-05-30
申请号：US18505927
申请日：2023-11-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Daeyoung Kim , Joontae Kim , Hyunseok Yu , Youngik Cho
CPC classification number: H04L25/03006 , H04L25/025 , H04L2025/0349 , H04L2025/03636
Abstract: Provided is an interference cancellation circuit including a relative delay control circuit receiving a first transmission signal of a first frequency, and a second transmission signal of a second frequency different from the first frequency and including a first delay buffer delaying the second transmission signal by a first delay time and a second delay buffer delaying the second transmission signal by a second delay time, a delay reference generation circuit generating respective reference signals by receiving the first transmission signal and the delayed second transmission signal from the relative delay control circuit, a weight control circuit updating a weight vector, a relative delay estimation circuit estimating a relative delay based on the reference signals, and an adaptive filter generating an interference model signal based on the weight vector and a first reference signal of the reference signals and filter the interference model signal from a received signal.
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公开(公告)号：US20200288421A1
公开(公告)日：2020-09-10
申请号：US16795897
申请日：2020-02-20
Applicant: Samsung Electronics Co., Ltd.
Inventor： Joontae Kim , Kiil Kim , Hyunseok Yu
IPC: H04W56/00 , H04W72/04 , H04W24/10 , H04B17/336 , H04B17/318
Abstract: A method of operating a wireless communication device for correcting an offset between a base station and the wireless communication device includes determining whether to perform offset correction using a first target synchronization signal block (SSB) to generate a determination result in response to changing a selected reception beam from a first reception beam to a second reception beam in an SSB period, the first target SSB being received via the second reception beam, and performing the offset correction on the second reception beam using at least one first neighbor SSB based on the determination result, the at least one first neighbor SSB being received via the first reception beam.
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公开(公告)号：US20240154294A1
公开(公告)日：2024-05-09
申请号：US18383189
申请日：2023-10-24
Applicant: Samsung Electronics Co., Ltd.
Inventor： Gangminh Lee , Hyunseok Yu , Dongwook Lee , Jeongtaek Lee
CPC classification number: H01Q1/225 , H01Q1/2225 , H01Q21/293
Abstract: According to an aspect of the inventive concept, an electronic device includes a transmitter including a plurality of antennas, and a communication processor for calculating a total exposure ratio (TER) value of each of the plurality of antennas, wherein the communication processor includes an antenna index buffer for storing a used antenna index, which is an index of one or more used antennas from among the plurality of antennas used in each window, a used power buffer for storing used power of an antenna corresponding to the used antenna index, and a controller configured to calculate the TER value based on the used antenna index, the used power, and an influence matrix.
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4.发明授权公开(公告)号：US11849309B2
公开(公告)日：2023-12-19
申请号：US17530885
申请日：2021-11-19
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyunseok Yu , Gangminh Lee
CPC classification number: H04W52/245 , H04W52/367
Abstract: A method of controlling transmission power of a wireless communication device includes obtaining first electromagnetic wave information from the wireless communication device, the first electromagnetic wave information being obtained during a target duration, obtaining electromagnetic wave tendency information in the target duration based on the first electromagnetic wave information and second electromagnetic wave information, the second electromagnetic wave information being obtained during at least one previous duration, and controlling the transmission power based on the electromagnetic wave tendency information.
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公开(公告)号：US11722957B2
公开(公告)日：2023-08-08
申请号：US17564705
申请日：2021-12-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyunseok Yu
CPC classification number: H04W52/0225 , H04M1/0279
Abstract: A signal processing device, which processes a baseband signal for wireless communication, includes a plurality of temperature sensors arranged to sense internal temperatures of the signal processing device, respectively, a threshold storage storing a plurality of thresholds, and a controller that estimates a surface temperature based on the sensed internal temperatures and performs a thermal mitigation operation based on the surface temperature and a plurality of temperature ranges defined by the plurality of thresholds.
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Patent Agency Ranking
公开(公告)号：US11381272B2
公开(公告)日：2022-07-05
申请号：US16905183
申请日：2020-06-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyunseok Yu
IPC: H04W24/10 , H04B1/3827 , H04W52/26 , H04W52/36
Abstract: An apparatus and method are provided for controlling a transmission power of a wireless communications device to comply with an output energy limit during a measurement period, including calculating a target output energy based on a communications channel; calculating a first average output energy corresponding to a previous period having a duration substantially equal to the measurement period; calculating a second average output energy by low-pass-filtering the target output energy and the first average output energy; and limiting the transmission power of the wireless communications device based on an energy margin between the output energy limit and the second average output energy.
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公开(公告)号：US20240162948A1
公开(公告)日：2024-05-16
申请号：US18508368
申请日：2023-11-14
Applicant: Samsung Electronics Co., Ltd.
Inventor： Byongok Lee , Joohyun Do , Hyunseok Yu
IPC: H04B7/0456 , H04L5/00
CPC classification number: H04B7/0456 , H04L5/0048
Abstract: An operating method of a wireless communication user equipment may include transmitting a sounding reference signal (SRS) to a base station, receiving, from the base station, a transmit precoding matrix indicator (TPMI) indicating a precoding matrix and a rank indicator (RI) indicating a rank value, selecting a precoding matrix, based on the TPMI and the RI, allocating a gain to each of a plurality of transmission paths, based on the precoding matrix and loss information of each of the plurality of transmission paths, and transmitting a physical uplink shared channel (PUSCH) through the plurality of transmission paths.
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8.发明公开公开(公告)号：US20240073825A1
公开(公告)日：2024-02-29
申请号：US18239269
申请日：2023-08-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Byongok Lee , Joohyun Do , Hyunseok Yu
CPC classification number: H04W52/146 , H04W52/18 , H04W52/42
Abstract: Provided is a method of operating an electronic device, the method including receiving, from a base station, a downlink control signal requesting repeated transmission of an uplink signal, determining a repeated transmission mode for changing at least one of a precoding matrix, an analog transmission beam, and transmission power of the uplink signal when the uplink signal is repeatedly transmitted in response to reception of the downlink control signal, and repeatedly transmitting a plurality of uplink signals according to a determined repeated transmission mode.
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公开(公告)号：US11595065B2
公开(公告)日：2023-02-28
申请号：US17411186
申请日：2021-08-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hongmin Choi , Junse Lee , Hyunseok Yu
Abstract: Systems and methods are described to perform wireless communication. The device includes a pre-distortion circuit configured to pre-distort an input signal based on a parameter set including a plurality of coefficients and generate a pre-distorted signal, a power amplifier configured to amplify the pre-distorted signal and generate an output signal, and a parameter obtaining circuit configured to perform an iterative approximation operation based on the output signal and the pre-distorted signal, which change over time, according to an indirect training structure configured to minimize a difference between an intermediate signal obtained based on the output signal and the pre-distorted signal, and obtain the parameter set.
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公开(公告)号：US11246093B2
公开(公告)日：2022-02-08
申请号：US16838453
申请日：2020-04-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyunseok Yu
Abstract: A signal processing device, which processes a baseband signal for wireless communication, includes a plurality of temperature sensors arranged to sense internal temperatures of the signal processing device, respectively, a threshold storage storing a plurality of thresholds, and a controller that estimates a surface temperature based on the sensed internal temperatures and performs a thermal mitigation operation based on the surface temperature and a plurality of temperature ranges defined by the plurality of thresholds.
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