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公开(公告)号：US20250047529A1
公开(公告)日：2025-02-06
申请号：US18735813
申请日：2024-06-06
Applicant: Analog Devices, Inc.
Inventor： Tao YU , Cristobal Alessandri , Wenjie Lu
Abstract: Systems, devices, and methods related to hybrid basis function, neural network-based digital predistortion (DPD) are provided. An example apparatus for a radio frequency (RF) transceiver includes a digital predistortion (DPD) actuator to receive an input signal associated with a nonlinear component of the RF transceiver and output a predistorted signal. The DPD actuator includes a basis-function-based actuator to perform a first DPD operation using a set of basis functions associated with a first nonlinear characteristic of the nonlinear component. The DPD actuator further includes a neural network-based actuator to perform a second DPD operation using a first neural network associated with a second nonlinear characteristic of the nonlinear component. The predistorted signal is based on a first output signal of the basis-function-based actuator and a second output signal of the neural network-based actuator.
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2.发明公开公开(公告)号：US20230370023A1
公开(公告)日：2023-11-16
申请号：US17948482
申请日：2022-09-20
Applicant: Analog Devices, Inc.
Inventor： Tao YU , Christopher MAYER
CPC classification number: H03F1/3247 , G05B13/027
Abstract: Systems, devices, and methods related to envelope regulated, digital predistortion (DPD) are provided. An example apparatus includes an envelope regulator circuit to process, based on a parameterized model, an input signal to generate an envelope regulated signal; a digital predistortion (DPD) actuator circuit to process the envelope regulated signal and the input signal based on DPD coefficients associated with a nonlinearity characteristic of a nonlinear component; and a DPD adaptation circuit to update the DPD coefficients based on a feedback signal indicative of an output of the nonlinear component.
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公开(公告)号：US20220376659A1
公开(公告)日：2022-11-24
申请号：US17732715
申请日：2022-04-29
Applicant: Analog Devices, Inc.
Inventor： Tao YU , Cristobal ALESSANDRI , Frank YAUL , Wenjie LU , Shyam Chandrasekhar NAMBIAR
Abstract: Systems, devices, and methods related to using model architecture search for hardware configuration are provided. An example apparatus includes an input node to receive an input signal; a pool of processing units to perform one or more arithmetic operations and one or more signal selection operations, wherein each of the processing units in the pool is associated with at least one parameterized model corresponding to a data transformation operation; and a control block to configure, based on a first parameterized model, a first subset of the processing units in the pool, where the first subset of the processing units processes the input signal to generate a first signal.
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公开(公告)号：US20210190935A1
公开(公告)日：2021-06-24
申请号：US17047016
申请日：2019-04-11
Applicant: ANALOG DEVICES, INC.
Inventor： Tao YU
Abstract: Embodiments of the present disclosure describe mechanisms for radio frequency (RF) ranging between pairs of radio units based on radio signals exchanged between units. An exemplary radio system may include a first radio unit, configured to transmit a first radio signal, and a second radio unit configured to receive the first radio signal, adjust a reference clock signal of the second radio unit based on the first radio signal, and transmit a second radio signal generated based on the adjusted reference clock signal. Such a radio system may further include a processing unit for determining a distance between the first and second radio units based on a phase difference between the first radio signal as transmitted by the first radio unit and the second radio signal as received at the first radio unit. Disclosed mechanisms may enable accurate RF ranging using low-cost, low-power radio units.
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公开(公告)号：US20220376719A1
公开(公告)日：2022-11-24
申请号：US17732809
申请日：2022-04-29
Applicant: Analog Devices, Inc.
Inventor： Tao YU , Cristobal ALESSANDRI , Frank YAUL , Wenjie LU , Shyam Chandrasekhar NAMBIAR
Abstract: Systems, devices, and methods related to using model architecture search for hardware configuration are provided. A method includes receiving, by a computer-implemented system, information associated with a pool of processing units; receiving, by the computer-implemented system, a data set associated with a data transformation operation; training, based on the data set and the information associated with the pool of processing units, a parameterized model associated with the data transformation operation, where the training includes updating at least one parameter of the parameterized model associated with configuring at least a subset of the processing units in the pool; and outputting, based on the training, one or more configurations for at least the subset of the processing units in the pool.
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Patent Agency Ranking
公开(公告)号：US20170272651A1
公开(公告)日：2017-09-21
申请号：US15458536
申请日：2017-03-14
Applicant: Analog Devices, Inc.
Inventor： CHARLES MATHY , Sefa DEMIRTAS , Bin HUO , Dhruvesh GAJARIA , Jonathan Ari GOLDBERG , Nicolas LE DORTZ , Tao YU , James NORAKY
CPC classification number: H04N5/23241 , G01S7/4868 , G01S17/023 , G01S17/10 , G01S17/89 , H04N5/2226 , H04N5/2256 , H04N13/122 , H04N13/128 , H04N13/254 , H04N13/257 , H04N13/271 , H04N13/296
Abstract: Aspects of the embodiments are directed to passive depth determination. Initially, a high power depth map of a scene can be created. An object in the scene can be identified, such as a rigid body or other object or portion of an object. A series of lower power or RGB images can be captured. The object can be located in one or more of the lower power or RGB images. A change in the position of an object, represented by a set of pixels, can be determined. From the change in position of the object, a new depth of the object can be extrapolated. The extrapolated depth of the object can be used to update the high power depth map.
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公开(公告)号：US20180081043A1
公开(公告)日：2018-03-22
申请号：US15705095
申请日：2017-09-14
Applicant: Analog Devices, Inc.
Inventor： Sefa DEMIRTAS , Tao YU , Atulya YELLEPEDDI , Nicolas LE DORTZ
CPC classification number: G01S7/4868 , G01S7/4816 , G01S7/4865 , G01S7/487 , G01S17/10 , G01S17/89 , H04N5/2256 , H04N5/232 , H04N5/2352 , H04N5/2353 , H04N5/2354 , H04N5/247 , H04N5/33 , H04N5/332 , H04N13/254 , H04N13/271 , H04N13/282
Abstract: Aspects of the embodiments are directed to methods and imaging systems. The imaging systems can be configured to sense, by an light sensor of the imaging system, light received during a time period, process the light received by the light sensor, identify an available measurement period for the imaging system within the time period based on the processed light, and transmit and receive light during a corresponding measurement period in one or more subsequent time periods.
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公开(公告)号：US20180081033A1
公开(公告)日：2018-03-22
申请号：US15705141
申请日：2017-09-14
Applicant: Analog Devices, Inc.
Inventor： Sefa DEMIRTAS , Tao YU , Atulya YELLEPEDDI , Nicolas LE DORTZ , Charles MATHY
CPC classification number: G01S7/4868 , G01S7/4816 , G01S7/4865 , G01S7/487 , G01S17/10 , G01S17/89 , H04N5/2256 , H04N5/232 , H04N5/2352 , H04N5/2353 , H04N5/2354 , H04N5/247 , H04N5/33 , H04N5/332 , H04N13/254 , H04N13/271 , H04N13/282
Abstract: Aspects of the embodiments are directed to methods and imaging systems. The imaging systems can be configured to sense, by an light sensor of the imaging system, light received during a time period, process the light received by the light sensor, identify an available measurement period for the imaging system within the time period based on the processed light, and transmit and receive light during a corresponding measurement period in one or more subsequent time periods.
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公开(公告)号：US20220368571A1
公开(公告)日：2022-11-17
申请号：US17732764
申请日：2022-04-29
Applicant: Analog Devices, Inc.
Inventor： Tao YU , Cristobal ALESSANDRI , Wenjie LU
Abstract: Systems, devices, and methods related to hybrid basis function, neural network-based digital predistortion (DPD) are provided. An example apparatus for a radio frequency (RF) transceiver includes a digital predistortion (DPD) actuator to receive an input signal associated with a nonlinear component of the RF transceiver and output a predistorted signal. The DPD actuator includes a basis-function-based actuator to perform a first DPD operation using a set of basis functions associated with a first nonlinear characteristic of the nonlinear component. The DPD actuator further includes a neural network-based actuator to perform a second DPD operation using a first neural network associated with a second nonlinear characteristic of the nonlinear component. The predistorted signal is based on a first output signal of the basis-function-based actuator and a second output signal of the neural network-based actuator.
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公开(公告)号：US20190319722A1
公开(公告)日：2019-10-17
申请号：US15955049
申请日：2018-04-17
Applicant: Analog Devices, Inc.
Inventor： Tao YU
Abstract: Embodiments of the present disclosure describe mechanisms for radio frequency (RF) ranging between pairs of radio units based on radio signals exchanged between units. An exemplary radio system may include a first radio unit, configured to transmit a first radio signal, and a second radio unit configured to receive the first radio signal, adjust a reference clock signal of the second radio unit based on the first radio signal, and transmit a second radio signal generated based on the adjusted reference clock signal. Such a radio system may further include a processing unit for determining a distance between the first and second radio units based on a phase difference between the first radio signal as transmitted by the first radio unit and the second radio signal as received at the first radio unit. Disclosed mechanisms may enable accurate RF ranging using low-cost, low-power radio units.
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