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1.发明公开公开(公告)号：US20230412205A1
公开(公告)日：2023-12-21
申请号：US18241172
申请日：2023-08-31
Applicant: Silicon Laboratories Inc.
Inventor： Antonio Torrini , Hendricus de Ruijter , Yan Zhou , David Trager
Abstract: An apparatus includes a radio-frequency (RF) receiver for receiving an RF signal using a plurality of antennas. The RF receiver includes a demodulator to provide a switch signal to cause the RF receiver to use an antenna in the plurality of antennas. The RF receiver further includes a carrier frequency offset (CFO) correction circuit that estimates and removes a carrier frequency offset.
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公开(公告)号：US11635483B2
公开(公告)日：2023-04-25
申请号：US17347069
申请日：2021-06-14
Applicant: Silicon Laboratories Inc.
Inventor： Sauli Johannes Lehtimaki , Antonio Torrini , Mika Tapio Länsirinne
Abstract: A system and method for detecting a multipath environment is disclosed. A first pseudospectrum based on azimuth angle and elevation angle is created. The result of this first pseudospectrum are used to create a second pseudospectrum based on polarization and field ratio. The sharpness of the results for these two pseudospectrums is determined and may be used to detect whether a multipath environment exists. If a multipath environment is believed to exist, the results from this device are ignored in determining the spatial position of the object.
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3.发明授权公开(公告)号：US11044631B2
公开(公告)日：2021-06-22
申请号：US16229052
申请日：2018-12-21
Applicant: Silicon Laboratories Inc.
Inventor： Antonio Torrini , Joel Kauppo , Sauli Johannes Lehtimaki
Abstract: A wireless locator that facilitates determining a location of a nearby wireless asset including an antenna array with multiple antennas, at least one wireless transceiver that receives a location signal from the nearby wireless asset and that takes multiple samples from the location signal including a set of samples for each antenna, and a processor that compresses the samples to generate location information associated with the nearby wireless asset. The wireless locator may be part of a wireless location system including multiple wireless locators distributed in the area and a central processing system. Various compression methods are disclosed, including averaging of the samples, bit reduction of the samples, converting the samples to corresponding phase values, and combining corresponding samples of multiple sample supplemental sets. Combinations of the various compression methods are also disclosed.
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公开(公告)号：US20230342431A1
公开(公告)日：2023-10-26
申请号：US18344129
申请日：2023-06-29
Applicant: Silicon Laboratories Inc.
Inventor： Javier Elenes , Antonio Torrini
IPC: G06F18/21 , G06N3/088 , G06F18/25 , G06F18/20 , G06F18/214
CPC classification number: G06F18/2193 , G06N3/088 , G06F18/251 , G06F18/285 , G06F18/2148
Abstract: In an embodiment, an apparatus includes: a sensor to sense real world information; a digitizer coupled to the sensor to digitize the real world information into digitized information; a signal processor coupled to the digitizer to process the digitized information into an image; a discriminator coupled to the signal processor to determine, based at least in part on the image, whether the real world information comprises an anomaly, where the discriminator is trained via a generative adversarial network; and a controller coupled to the discriminator.
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公开(公告)号：US11784671B2
公开(公告)日：2023-10-10
申请号：US17138836
申请日：2020-12-30
Applicant: Silicon Laboratories Inc.
Inventor： Antonio Torrini , Hendricus de Ruijter , Yan Zhou , David Trager
Abstract: An apparatus includes a radio-frequency (RF) receiver for receiving an RF signal using a plurality of antennas. The RF receiver includes a demodulator to provide a switch signal to cause the RF receiver to use an antenna in the plurality of antennas. The RF receiver further includes a carrier frequency offset (CFO) correction circuit that estimates and removes a carrier frequency offset.
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Patent Agency Ranking
6.发明授权公开(公告)号：US11963037B2
公开(公告)日：2024-04-16
申请号：US17319875
申请日：2021-05-13
Applicant: Silicon Laboratories Inc.
Inventor： Antonio Torrini , Joel Kauppo , Sauli Johannes Lehtimaki
CPC classification number: H04W28/06 , H04W4/025 , H04W40/22 , H04W64/003
Abstract: A wireless locator that facilitates determining a location of a nearby wireless asset including an antenna array with multiple antennas, at least one wireless transceiver that receives a location signal from the nearby wireless asset and that takes multiple samples from the location signal including a set of samples for each antenna, and a processor that compresses the samples to generate location information associated with the nearby wireless asset. The wireless locator may be part of a wireless location system including multiple wireless locators distributed in the area and a central processing system. Various compression methods are disclosed, including averaging of the samples, bit reduction of the samples, converting the samples to corresponding phase values, and combining corresponding samples of multiple sample supplemental sets. Combinations of the various compression methods are also disclosed.
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公开(公告)号：US11802894B2
公开(公告)日：2023-10-31
申请号：US17023654
申请日：2020-09-17
Applicant: Silicon Laboratories Inc.
Inventor： Antonio Torrini , Javier Elenes
Abstract: In one embodiment, an apparatus includes: a sensor to sense real world information; a digitizer coupled to the sensor to digitize the real world information into digitized information; a signal processor coupled to the digitizer to process the digitized information into a spectrogram; a neural engine coupled to the signal processor, the neural engine comprising an autoencoder to compress the spectrogram into a compressed spectrogram; and a wireless circuit coupled to the neural engine to send the compressed spectrogram to a remote destination, to enable the remote destination to process the compressed spectrogram.
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公开(公告)号：US20220397635A1
公开(公告)日：2022-12-15
申请号：US17347069
申请日：2021-06-14
Applicant: Silicon Laboratories Inc.
Inventor： Sauli Johannes Lehtimaki , Antonio Torrini , Mika Tapio Länsirinne
Abstract: A system and method for detecting a multipath environment is disclosed. A first pseudospectrum based on azimuth angle and elevation angle is created. The result of this first pseudospectrum are used to create a second pseudospectrum based on polarization and field ratio. The sharpness of the results for these two pseudospectrums is determined and may be used to detect whether a multipath environment exists. If a multipath environment is believed to exist, the results from this device are ignored in determining the spatial position of the object.
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公开(公告)号：US20220210001A1
公开(公告)日：2022-06-30
申请号：US17138846
申请日：2020-12-30
Applicant: Silicon Laboratories Inc.
Inventor： Antonio Torrini , Hendricus de Ruijter , Yan Zhou , David Trager
Abstract: An apparatus includes a radio-frequency (RF) receiver for receiving an RF signal using a plurality of antennas. The RF receiver includes a demodulator to provide a switch signal to cause the RF receiver to use an antenna in the plurality of antennas. The RF receiver further includes a carrier frequency offset (CFO) correction circuit that uses an estimation of the carrier frequency offset and an estimation of phase differences to remove the carrier frequency offset.
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公开(公告)号：US20220209808A1
公开(公告)日：2022-06-30
申请号：US17138836
申请日：2020-12-30
Applicant: Silicon Laboratories Inc.
Inventor： Antonio Torrini , Hendricus de Ruijter , Yan Zhou , David Trager
Abstract: An apparatus includes a radio-frequency (RF) receiver for receiving an RF signal using a plurality of antennas. The RF receiver includes a demodulator to provide a switch signal to cause the RF receiver to use an antenna in the plurality of antennas. The RF receiver further includes a carrier frequency offset (CFO) correction circuit that estimates and removes a carrier frequency offset.
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