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公开(公告)号:US20250119337A1
公开(公告)日:2025-04-10
申请号:US18905434
申请日:2024-10-03
Applicant: Samsung Electronics Co., Ltd.
Inventor: Minjae PARK , Hyunseok YU , Youngik CHO , Joohyun DO
Abstract: An operating method of a wireless communication device, the method including generating an IQ compensation value by performing IQ mismatch compensation on a first input signal using a linearity calibration model, the linearity calibration model being based on a neural network, generating a pre-distortion value by performing pre-distortion on the first input signal using the linearity calibration model, generating a first calibration signal based on the IQ compensation value and the pre-distortion value, generating a calibrated first output signal by amplifying the first calibration signal based on an amplification coefficient, and training the linearity calibration model based on the first input signal and the calibrated first output signal.
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2.
公开(公告)号:US20240023104A1
公开(公告)日:2024-01-18
申请号:US18220612
申请日:2023-07-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Byongok LEE , Joohyun DO , Heejin SEO , Hyunseok YU
CPC classification number: H04W72/21 , H04B7/0639 , H04B7/0626
Abstract: Provided is an operation method of an electronic device including a plurality of antennas, the operation method including obtaining precoding information from a base station, generating a physical uplink control channel (PUCCH) precoding vector based on the precoding information, generating a precoded PUCCH signal by multiplying a PUCCH signal by the PUCCH precoding vector, and transmitting the precoded PUCCH signal to the base station by using the plurality of antennas.
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公开(公告)号:US20220124616A1
公开(公告)日:2022-04-21
申请号:US17564705
申请日:2021-12-29
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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公开(公告)号:US20200169967A1
公开(公告)日:2020-05-28
申请号:US16582676
申请日:2019-09-25
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hyunseok YU , Daeyoung KIM
Abstract: A signal processing apparatus for controlling exposure to wireless communication includes processing circuitry configured to control transmission through a first antenna module based on a reflection coefficient of a second antenna module, the first antenna module configured for wireless communication in a first frequency band, the second antenna module configured for wireless communication in a second frequency band, the second frequency band being a lower frequency band than the first frequency band.
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公开(公告)号:US20240154843A1
公开(公告)日:2024-05-09
申请号:US18227143
申请日:2023-07-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Byongok LEE , Joohyun DO , Hyunseok YU
CPC classification number: H04L25/0214 , H04L5/1469
Abstract: An operating method of a first device which communicates with a second device based on time division duplex (TDD), includes: receiving a first signal from the second device; estimating a channel between the first device and the second device based on the first signal; generating, by applying singular value decomposition (SVD) to the estimated channel, a first orthogonal matrix including one or more left singular vectors, a diagonal matrix including one or more singular values, and a second orthogonal matrix including one or more right singular vectors; selecting at least one right singular vector from the second orthogonal matrix in descending order according to the one or more singular values, a number of the selected at least one right singular vector corresponding to a number of ranks of the channel; and transmitting, to the second device, a precoded physical sidelink shared channel (PSSCH) precoded based on a precoding matrix including the selected at least one right singular vector.
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6.
公开(公告)号:US20230231684A1
公开(公告)日:2023-07-20
申请号:US18097944
申请日:2023-01-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Byongok LEE , Joohyun DO , Hyunseok YU
CPC classification number: H04L5/0051 , H04L25/03343
Abstract: An electronic device including a communication circuit configured to receive a reception signal including an interference signal, and to transmit a sounding reference signal (SRS) to a base station; and a control circuit comprising an interference estimation circuit configured to detect the interference signal in the reception signal, and a precoding matrix calculation circuit configured to generate an SRS precoding matrix corresponding to the SRS, based on a detection result obtained by the interference estimation circuit, wherein the control circuit is configured to control the communication circuit to transmit the SRS to the base station, and wherein the SRS is generated by multiplying a transmission signal by the SRS precoding matrix.
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公开(公告)号:US20230155645A1
公开(公告)日:2023-05-18
申请号:US17978559
申请日:2022-11-01
Applicant: Samsung Electronics Co., Ltd.
Inventor: Byongok LEE , Joohyun DO , Hyunseok YU
IPC: H04B7/0456 , H04B7/06
CPC classification number: H04B7/0456 , H04B7/0617 , H04B7/0634
Abstract: An operating method of a wireless communication device includes calculating an effective channel matrix between the wireless communication device and a base station based on transmission characteristic information and channel information, the transmission characteristic information corresponding to the wireless communication device, and the channel information corresponding to a channel between the wireless communication device and the base station, determining a precoding matrix based on the effective channel matrix, and determining a transmission beamforming vector based on the precoding matrix.
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8.
公开(公告)号:US20220201624A1
公开(公告)日:2022-06-23
申请号:US17530885
申请日:2021-11-19
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hyunseok YU , Gangminh LEE
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:US20200329431A1
公开(公告)日:2020-10-15
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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公开(公告)号:US20240396652A1
公开(公告)日:2024-11-28
申请号:US18657270
申请日:2024-05-07
Applicant: Samsung Electronics Co., Ltd.
Inventor: Haedong YEON , Joohyun DO , Hyunseok YU
IPC: H04B17/354 , H04B17/364
Abstract: A wireless communication device includes: a transmission path circuit configured to generate a radio frequency (RF) output signal, based on a transmission signal and a supply voltage tracking an envelope signal; a feedback path circuit configured to be connected to the transmission path circuit so as to receive the RF output signal as a feedback signal, when switching from normal mode to calibration mode; a time domain-based measurement circuit configured to generate, in the calibration mode, an adjacent channel leakage ratio for a reception signal based on a time domain; and at least one processor configured to adjust, in the calibration mode, an envelope delay amount for the envelope signal, based on the adjacent channel leakage ratio.
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