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公开(公告)号：US20250071689A1
公开(公告)日：2025-02-27
申请号：US18677761
申请日：2024-05-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mahmoud Esam Mohamed Ahmed ABDELGELIL , Wan Jong KIM , Pranav DAYAL
Abstract: A system and method for controlling radiated power. In some embodiments, a device includes: a first radio; a second radio; and one or more processors; and a memory storing instructions which, when executed by the one or more processors, cause performance of: determining that a first transmission, of the first radio, is transmitted at a first power level greater than zero and less than a first threshold, and in response to determining that the first transmission of the first radio is transmitted at a first power level less than the first threshold, causing the second radio to transmit a second transmission at a second power level, wherein the second power level is determined based at least in part on the first power level and the first threshold.
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公开(公告)号：US20220094586A1
公开(公告)日：2022-03-24
申请号：US17539192
申请日：2021-11-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Elina NAYEBI , Pranav DAYAL , Kee-Bong SONG
Abstract: A method of pre-compensating for transmitter in-phase (I) and quadrature (Q) mismatch (IQMM) may include sending a signal through an up-converter of a transmit path to provide an up-converted signal, determining the up-converted signal, determining one or more IQMM parameters for the transmit path based on the determined up-converted signal, and determining one or more pre-compensation parameters for the transmit path based on the one or more IQMM parameters for the transmit path. In some embodiments, the up-converted signal may be determined through a receive feedback path. In some embodiments, the up-converted signal may be determined through an envelope detector.
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公开(公告)号：US20200099408A1
公开(公告)日：2020-03-26
申请号：US16243710
申请日：2019-01-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Elina NAYEBI , Pranav DAYAL , Kee-Bong SONG
Abstract: A system, method, and electronic device for compensating in-phase (I) and quadrature (Q) mismatch (IQMM) are herein disclosed. The system includes an IQ mismatch compensator (IQMC) configured to compensate for IQMM between a time-domain I signal and a time-domain Q signal using filter weight coefficients, and output a compensated I signal and a compensated Q signal, a fast Fourier transformation (FFT) circuit configured to perform an FFT on the compensated I signal and the compensated Q signal to a frequency-domain compensated signal, and a coefficient updater configured to update the filter weight coefficients based on a frequency-domain observation of the frequency-domain compensated signal.
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公开(公告)号：US20180115329A1
公开(公告)日：2018-04-26
申请号：US15402651
申请日：2017-01-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Liangbin LI , Pranav DAYAL , Jungwon LEE , Gennady FEYGIN
CPC classification number: H04B1/0042 , H04B1/0046 , H04B3/462
Abstract: Apparatuses (and methods of manufacturing same), systems, and methods concerning polyphase digital filters are described. In one aspect, an apparatus is provided, including at least one pair of subfilters, each having symmetric coefficients, and a lattice comprising two adders and feedlines corresponding to each of the at least one pair of subfilters, each having symmetric coefficients. In one aspect, the apparatus is a polyphase finite impulse response (FIR) digital filter, including an interpolator and a decimator, where each of the interpolator and the decimator have at least one pair of subfilters, each having symmetric coefficients, and a lattice comprising two adders and feedlines corresponding to each of the at least one pair of subfilters, each having symmetric coefficients.
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5.发明公开公开(公告)号：US20230327939A1
公开(公告)日：2023-10-12
申请号：US18209473
申请日：2023-06-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Elina NAYEBI , Pranav DAYAL , Kee-Bong SONG , Siu-Chuang Ivan LU , Sang Won SON
IPC: H04L27/36 , H04L27/38 , H04L27/148 , H04L27/26 , H04L27/20
CPC classification number: H04L27/364 , H04L27/3863 , H04L27/148 , H04L27/2695 , H04L27/2003
Abstract: A method of compensating for IQ mismatch (IQMM) in a transceiver may include sending first and second signals from a transmit path through a loopback path, using a phase shifter to introduce a phase shift in at least one of the first and second signals, to obtain first and second signals received by a receive path, using the first and second signals received by the receive path to obtain joint estimates of transmit and receive IQMM, at least in part, by estimating the phase shift, and compensating for IQMM using the estimates of IQMM. Using the first and second signals received by the receive path to obtain estimates of the IQMM may include processing the first and second signals received by the receive path as a function of one or more frequency-dependent IQMM parameters.
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Patent Agency Ranking
公开(公告)号：US20210377095A1
公开(公告)日：2021-12-02
申请号：US17064598
申请日：2020-10-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Elina NAYEBI , Pranav DAYAL , Kee-Bong SONG , Siu-Chuang Ivan LU , Sang Won SON
IPC: H04L27/36 , H04L27/38 , H04L27/20 , H04L27/26 , H04L27/148
Abstract: A method of compensating for IQ mismatch (IQMM) in a transceiver may include sending first and second signals from a transmit path through a loopback path, using a phase shifter to introduce a phase shift in at least one of the first and second signals, to obtain first and second signals received by a receive path, using the first and second signals received by the receive path to obtain joint estimates of transmit and receive IQMM, at least in part, by estimating the phase shift, and compensating for IQMM using the estimates of IQMM. Using the first and second signals received by the receive path to obtain estimates of the IQMM may include processing the first and second signals received by the receive path as a function of one or more frequency-dependent IQMM parameters.
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公开(公告)号：US20200343920A1
公开(公告)日：2020-10-29
申请号：US16925771
申请日：2020-07-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Elina NAYEBI , Pranav DAYAL , Kee-Bong SONG
Abstract: A system, method, and electronic device for compensating in-phase (I) and quadrature (Q) mismatch (IQMM) are herein disclosed. The system includes an IQ mismatch compensator (IQMC) configured to compensate for IQMM between a time-domain I signal and a time-domain Q signal using filter weight coefficients, and output a compensated I signal and a compensated Q signal, a fast Fourier transformation (FFT) circuit configured to perform an FFT on the compensated I signal and the compensated Q signal to a frequency-domain compensated signal, and a coefficient updater configured to update the filter weight coefficients based on a frequency-domain observation of the frequency-domain compensated signal.
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8.发明申请公开(公告)号：US20190268186A1
公开(公告)日：2019-08-29
申请号：US16006403
申请日：2018-06-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hamed MALEKI , Pranav DAYAL , Kee-Bong SONG
Abstract: An apparatus and a method are provided in which a processor of a receiving apparatus regenerates time domain samples of an interfering data numerology from frequency domain received signals. The processor performs pre-fast Fourier transform (FFT) processing of a desired data numerology on the regenerated time domain samples of the interfering data numerology. The processor performs FFT, with a size corresponding to the desired data numerology, on the regenerated time domain samples after performing pre-FFT processing to generate an interfering numerology cancelation signal. The processor subtracts the interfering numerology cancelation signal from a frequency domain received signal of the desired data numerology to reduce an effect of interference of the interfering data numerology on the desired data numerology.
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公开(公告)号：US20220078722A1
公开(公告)日：2022-03-10
申请号：US17097548
申请日：2020-11-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Donghoon LEE , Pranav DAYAL , Kee-Bong SONG
Abstract: According to an embodiment, a method in a closed-loop antenna impedance tuning (CL-AIT) system is provided. The method includes determining whether a transmitted power is above a pre-determined threshold, when the transmitted power is above the pre-determined threshold, determining a bypass input reflection coefficient, determining whether the bypass input reflection coefficient is greater than a bypass threshold, and when the bypass input reflection coefficient is greater than the bypass threshold, determining an optimal tuner code based on a tuner code search algorithm.
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公开(公告)号：US20210360537A1
公开(公告)日：2021-11-18
申请号：US16936418
申请日：2020-07-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hamed MALEKI , Gennady FEYGIN , Pranav DAYAL , Kee-Bong SONG
Abstract: According to one general aspect, an apparatus may include a pre-transmission circuit configured to encode a data signal for communication. The apparatus may include a peak-to-average-power ratio (PAPR) controlling circuit configured to set a power level for a level-adjusted data signal. In some embodiments, the PAPR circuit may be configured to set the power level by employing a multi-loop, multi-phase technique, wherein an inner loop employs multiple phases to constrain the PAPR and reduce at least one power-related error condition, and wherein an outer loop updates the power level. The apparatus may include a transmitter circuit configured to transmit the level-adjusted data signal.
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