Patents by Inventor Duc Lai

Duc Lai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220096003
    Abstract: Methods, apparatus and systems for wireless monitoring and tracking are described. In one example, a described method of a wireless monitoring system comprises: transmitting a wireless signal that is impacted by a wireless multipath channel in a venue and a modulation of an object undergoing a motion in the venue, to obtain a set of channel information (CI) of the wireless multipath channel; performing a monitoring task by monitoring the object and the motion; determining a plurality of admissible system states of the wireless monitoring system, wherein each admissible system state is associated with a respective setting of at least one of: the wireless signal, a series of sounding signals in the wireless signal, or the monitoring task; choosing one of the admissible system states to be a system state of the wireless monitoring system based on the monitoring task; and applying a setting associated with the chosen admissible system state to the wireless monitoring system.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 31, 2022
    Inventors: Chao-Lun Mai, Jeng-Feng Lee, Hung-Quoc Duc LAI, Dan Bugos, Hangfang Zhang, Beibei Wang, Oscar Chi-Lim Au, K. J. Ray Liu
  • Publication number: 20220091225
    Abstract: Methods, apparatus and systems for powering a wireless monitoring system are described. In one example, a described method comprises: positioning and powering a transmitter at a first location in a venue; positioning and powering a receiver at a second location in the venue; transmitting a wireless signal from the transmitter through a wireless multipath channel of the venue; receiving the wireless signal by the receiver through the wireless multipath channel, wherein the wireless signal is impacted by the wireless multipath channel and a modulation of an object undergoing a motion in the venue; obtaining a set of channel information (CI) of the wireless multipath channel based on the wireless signal; and monitoring the object and the motion of the object based on the set of CI.
    Type: Application
    Filed: December 1, 2021
    Publication date: March 24, 2022
    Inventors: Chao-Lun Mai, Jeng-Feng Lee, David N. Claffey, Hangfang Zhang, Hung-Quoc Duc Lai, Beibei Wang, Oscar Chi-Lim AU, K. J. Ray Liu
  • Patent number: 11202215
    Abstract: Methods, apparatus and systems for providing automatic assistance based on wireless monitoring are described. In one example, a described automatic assistant system comprises: a transmitter, a receiver, a processor, and an assistant device. The transmitter is configured for transmitting a first wireless signal through a wireless multipath channel of a venue. The receiver is configured for receiving a second wireless signal through the wireless multipath channel. The second wireless signal differs from the first wireless signal due to the wireless multipath channel that is impacted by a motion of an object in the venue. The processor is configured for: obtaining a time series of channel information (TSCI) of the wireless multipath channel based on the second wireless signal, and monitoring the motion of the object in the venue based on the TSCI. The assistant device is configured for generating an assistance with respect to the object in the venue based on the monitoring.
    Type: Grant
    Filed: December 5, 2020
    Date of Patent: December 14, 2021
    Assignee: ORIGIN WIRELESS, INC.
    Inventors: Masato Marumo, Beibei Wang, Oscar Chi-Lim Au, Hung-Quoc Duc Lai, K. J. Ray Liu
  • Publication number: 20210311162
    Abstract: Methods, apparatus and systems for wireless motion monitoring to ensure security are described. In one example, a described system comprises: a transmitter configured for transmitting a first wireless signal through a wireless multipath channel of a venue; a receiver configured for receiving a second wireless signal through the wireless multipath channel; and a processor. The second wireless signal differs from the first wireless signal due to the wireless multipath channel and a motion of an object in the venue. The processor is configured for: obtaining a time series of channel information (TSCI) of the wireless multipath channel based on the second wireless signal; computing a spatial-temporal information (STI) based on the TSCI; monitoring the motion of the object based on the TSCI and the STI; performing a task based on the monitoring; and generating a response based on the task.
    Type: Application
    Filed: June 20, 2021
    Publication date: October 7, 2021
    Inventors: Chao-Lun Mai, Dan Bugos, Hung-Quoc Duc Lai, Spencer Maid, Beibei Wang, Oscar Chi-Lim Au, K. J. Ray Liu
  • Publication number: 20210311166
    Abstract: Methods, apparatus and systems for wirelessly monitoring a micro motion of an object are described. In one example, a described system comprises: a transmitter configured for transmitting a first wireless signal through a wireless multipath channel of a venue; a receiver configured for receiving a second wireless signal through the wireless multipath channel; and a processor. The second wireless signal differs from the first wireless signal due to the wireless multipath channel and a motion of an object in the venue.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventors: Chenshu Wu, Beibei Wang, Peng Zan, Sai Deepika Regani, Xiaolu Zeng, Hung-Quoc Duc Lai, K. J. Ray Liu, Oscar Chi-Lim Au
  • Patent number: 11035940
    Abstract: Methods, apparatus and systems for monitoring a presence or a motion of an object in a proximity of an apparatus are described. In one example, a described apparatus is in a venue for wireless proximity monitoring. The apparatus comprises: a transmitter, a receiver, and a processor. The transmitter is configured for transmitting a wireless signal through a wireless multipath channel, wherein the wireless multipath channel is impacted by a motion of an object within a proximity of the apparatus. The receiver is configured for: receiving the wireless signal through the wireless multipath channel between the transmitter and the receiver, and obtaining a time series of channel information (TSCI) of the wireless multipath channel based on the wireless signal received by the receiver. The processor is configured for monitoring the motion of the object within the proximity of the apparatus based at least partially on the TSCI.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: June 15, 2021
    Assignee: ORIGIN WIRELESS, INC.
    Inventors: Qinyi Xu, Yi Han, Hung-Quoc Duc Lai, Beibei Wang, Oscar Chi-Lim Au, K. J. Ray Liu
  • Patent number: 11025475
    Abstract: The present teaching relates to collecting and processing location-specific wireless waveforms for use in wireless communication, components, methods, apparatuses, servers, and systems. In one embodiment, a disclosed system comprises a first wireless transceiver of a first device, and at least one second wireless transceiver of at least one second device. The first wireless transceiver of the first device is wirelessly coupled to the at least one second wireless transceiver through a wireless multipath channel associated with a space. The first device with the first wireless transceiver comprises a processor and a memory, which are configured to obtain a set of channel information (CI) and perform a task associated with the space based on the set of channel information.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: June 1, 2021
    Assignee: ORIGIN WIRELESS, INC.
    Inventors: K. J. Ray Liu, Hung-Quoc Duc Lai, Beibei Wang, Chen Chen, Oscar Chi-Lim Au
  • Publication number: 20210160709
    Abstract: Methods, apparatus and systems for providing automatic assistance based on wireless monitoring are described. In one example, a described automatic assistant system comprises: a transmitter, a receiver, a processor, and an assistant device. The transmitter is configured for transmitting a first wireless signal through a wireless multipath channel of a venue. The receiver is configured for receiving a second wireless signal through the wireless multipath channel. The second wireless signal differs from the first wireless signal due to the wireless multipath channel that is impacted by a motion of an object in the venue. The processor is configured for: obtaining a time series of channel information (TSCI) of the wireless multipath channel based on the second wireless signal, and monitoring the motion of the object in the venue based on the TSCI. The assistant device is configured for generating an assistance with respect to the object in the venue based on the monitoring.
    Type: Application
    Filed: December 5, 2020
    Publication date: May 27, 2021
    Inventors: Masato Marumo, Beibei Wang, Oscar Chi-Lim Au, Hung-Quoc Duc Lai, K. J. Ray Liu
  • Patent number: 11012285
    Abstract: The present teaching relates to vital sign detection and monitoring based on channel state information (CSI). In one example, an apparatus for vital sign detection is disclosed. The apparatus comprises a receiver, a processor and a memory communicatively coupled with the processor. The receiver is configured for receiving at least one wireless signal from a multipath channel that can be impacted by a vital sign of at least one living being. The processor is configured for: extracting a time series of channel state information (CSI) for the multipath channel from the at least one wireless signal, obtaining one or more periodic fluctuations based on a spectral analysis of the time series of CSI, and determining whether the vital sign is present based on the one or more periodic fluctuations.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: May 18, 2021
    Assignee: ORIGIN WIRELESS, INC.
    Inventors: Chen Chen, Beibei Wang, Yi Han, Feng Zhang, Hung-Quoc Duc Lai, Yan Chen, K. J. Ray Liu, Oscar Chi-Lim Au
  • Publication number: 20210136515
    Abstract: Methods, apparatus and systems for wireless monitoring for motion detection and localization are described. In one example, a described system comprises: Type 1 devices; Type 2 devices; and a processor. Each Type 2 device is configured for: asynchronously receiving, from each of a respective subset of Type 1 devices associated with the Type 2 device, a respective wireless signal through a respective wireless multipath channel impacted by a motion of an object in a venue; asynchronously receiving, from each of a subset of a respective set of at least one other Type 2 device interconnected wirelessly with the Type 2 device, a respective wireless signal through a respective wireless multipath channel impacted by the motion of the object; and obtaining a set of asynchronous time series of channel information (ATSCI), wherein each ATSCI is associated with a respective wireless multipath channel and is obtained based on the asynchronously received respective wireless signal.
    Type: Application
    Filed: January 14, 2021
    Publication date: May 6, 2021
    Inventors: Feng Zhang, Beibei Wang, Hung-Quoc Duc Lai, K. J. Ray Liu, Oscar Chi-Lim Au
  • Publication number: 20210136681
    Abstract: Methods, apparatus and systems for power supply design of a wireless monitoring system or device are described. In one example, an accessory of a wireless monitoring system is described. The accessory comprises at least one physical attachment feature attaching the accessory to at least one of: a first wireless device in the wireless monitoring system or a second wireless device in the wireless monitoring system. The first wireless device is configured for transmitting a first wireless signal through a wireless multipath channel of a venue. The second wireless device is configured for receiving a second wireless signal through the wireless multipath channel. The second wireless signal differs from the first wireless signal due to the wireless multipath channel that is impacted by a motion of an object in the venue.
    Type: Application
    Filed: January 14, 2021
    Publication date: May 6, 2021
    Inventors: Chao-Lun Mai, Beibei Wang, Dan Bugos, Oscar Chi-Lim Au, Hung-Quoc Duc Lai, K.J. Ray Liu
  • Publication number: 20210091866
    Abstract: Methods, apparatus and systems for improving accuracy and efficiency of wireless monitoring are described. In one example, a described method comprises: transmitting a first wireless signal from a first wireless device with transmit antennas through a wireless multipath channel of a venue; receiving a second wireless signal by a second wireless device with receive antennas through the wireless multipath channel, wherein the second wireless signal differs from the first wireless signal due to the wireless multipath channel that is impacted by a motion of an object in the venue; obtaining a number of time series of channel information (TSCI) of the wireless multipath channel based on the second wireless signal, wherein each TSCI is associated with a respective one of the transmit antennas and a respective one of the receive antennas; preprocessing the number of TSCI; and monitoring the motion of the object based on the number of preprocessed TSCI.
    Type: Application
    Filed: December 5, 2020
    Publication date: March 25, 2021
    Inventors: Feng Zhang, Beibei Wang, Hung-Quoc Duc Lai, Oscar Chi-Lim Au, K. J. Ray Liu
  • Publication number: 20200405223
    Abstract: Methods, apparatus and systems for wireless monitoring and tracking are described. In one example, a described method of a wireless monitoring system comprises: transmitting a wireless signal that is impacted by a wireless multipath channel in a venue and a modulation of an object undergoing a motion in the venue, to obtain a set of channel information (CI) of the wireless multipath channel; performing a monitoring task by monitoring the object and the motion; determining a plurality of admissible system states of the wireless monitoring system, wherein each admissible system state is associated with a respective setting of at least one of: the wireless signal, a series of sounding signals in the wireless signal, or the monitoring task; choosing one of the admissible system states to be a system state of the wireless monitoring system based on the monitoring task; and applying a setting associated with the chosen admissible system state to the wireless monitoring system.
    Type: Application
    Filed: September 13, 2020
    Publication date: December 31, 2020
    Inventors: Chao-Lun Mai, Jeng-Feng Lee, Hung-Quoc Duc LAI, Dan Bugos, Hangfang Zhang, Beibei Wang, Oscar Chi-Lim Au, K.J. Ray Liu
  • Publication number: 20200406860
    Abstract: Methods, apparatus and systems for vehicle wireless monitoring are described. In one example, a described method comprises: transmitting a first wireless signal from a first wireless device through a wireless multipath channel of a venue, the venue comprising a vehicle and an immediate vicinity of the vehicle; receiving a second wireless signal by a second wireless device in the venue through the wireless multipath channel, wherein the second wireless signal differs from the first wireless signal due to the wireless multipath channel and a modulation by an object undergoing a motion in the venue; obtaining a time series of channel information (TSCI) of the wireless multipath channel based on the second wireless signal; and performing a monitoring task by monitoring, based on the TSCI, at least one of: the vehicle, the object or the motion of the object.
    Type: Application
    Filed: September 13, 2020
    Publication date: December 31, 2020
    Inventors: Chao-Lun Mai, Jeng-Feng Lee, David N. Claffey, Hangfang Zhang, Feng Zhang, Hung-Quoc Duc Lai, Beibei Wang, Oscar Chi-Lim Au, K. J. Ray Liu
  • Publication number: 20200408875
    Abstract: Methods, apparatus and systems for powering a wireless monitoring system are described. In one example, a described method comprises: positioning and powering a transmitter at a first location in a venue; positioning and powering a receiver at a second location in the venue; transmitting a wireless signal from the transmitter through a wireless multipath channel of the venue; receiving the wireless signal by the receiver through the wireless multipath channel, wherein the wireless signal is impacted by the wireless multipath channel and a modulation of an object undergoing a motion in the venue; obtaining a set of channel information (CI) of the wireless multipath channel based on the wireless signal; and monitoring the object and the motion of the object based on the set of CI.
    Type: Application
    Filed: September 13, 2020
    Publication date: December 31, 2020
    Inventors: Chao-Lun Mai, Jeng-Feng Lee, David N. Claffey, Hangfang Zhang, Hung-Quoc Duc Lai, Beibei Wang, Oscar Chi-Lim Au, K. J. Ray Liu
  • Patent number: 10833912
    Abstract: The present teaching relates to wireless Internet of Things. In one example, a time reversal client is disclosed. The time reversal client comprises a processor, a memory communicatively coupled with the processor, and a set of instructions, when executed by the processor based on the memory, that cause the time reversal client to perform the following steps: communicatively coupling with a time reversal server through a network, obtaining a set of channel state information (CSI), wherein the set of CSI is captured when at least one probing signal is sent from the wireless transmitter to the wireless receiver through a wireless multipath channel associated with a space, and causing the set of CSI to be sent to the time reversal server through the network.
    Type: Grant
    Filed: September 9, 2018
    Date of Patent: November 10, 2020
    Assignee: ORIGIN WIRELESS, INC.
    Inventors: Oscar Chi-Lim Au, Masato Marumo, Beibei Wang, Hung-Quoc Duc Lai, K. J. Ray Liu, Chen Chen, Qinyi Xu, Yi Han, Zhung-Han Wu, Feng Zhang, Zoltan Safar, Jeng-Feng Lee, Thomas Nelson Buttermore, Jr.
  • Publication number: 20200322868
    Abstract: Methods, apparatus and systems for analyzing and improving topology and architecture of a wireless sensing system are described. In one embodiment, a described method comprises: determining an interconnection structure of a wireless sensing system comprising a plurality of wireless devices in a venue to be a tree; and for each pairwise wireless link being a branch of the tree and connecting a first device and a second device, transmitting, by the first device, a wireless signal through a wireless multipath channel of the venue to the second device, wherein the wireless multipath channel is impacted by an object motion of an object in the venue, receiving the wireless signal by the second device, obtaining a time series of channel information (CI) of the wireless multipath channel based on the wireless signal, monitoring the object motion based on the time series of CI (TSCI), and computing a linkwise analytics related to the object motion based on the TSCI.
    Type: Application
    Filed: June 23, 2020
    Publication date: October 8, 2020
    Applicant: ORIGIN WIRELESS, INC.
    Inventors: David N. CLAFFEY, Zhung-Han WU, Hung-Quoc Duc LAI, Beibei WANG, Oscar Chi-Lim AU, K. J. Ray LIU, Jeng-Feng LEE, Chao-Lun MAI, Feng ZHANG
  • Publication number: 20200319324
    Abstract: Methods, apparatus and systems for qualified wireless sensing are described. In one embodiment, a described method comprises: transmitting a wireless signal from a Type 1 device to a Type 2 device through a wireless multi path channel of a venue; obtaining a time series of channel information (TSCI) of the wireless multipath channel based on the wireless signal; performing a qualification test based on the TSCI for at least one to-be-qualified device, which is at least one of: the Type 1 device, a module of the Type 1 device, an integrated circuit (IC) of the Type 1 device, the Type 2 device, a module of the Type 2 device, or an IC of the Type 2 device; determining that each of the at least one to-be-qualified device is a qualified device based on a determination that a respective qualification criterion associated with the to-be-qualified device is satisfied, to obtain at least one qualified device; and performing a task based on the TSCI using the at least one qualified device.
    Type: Application
    Filed: June 23, 2020
    Publication date: October 8, 2020
    Applicant: ORIGIN WIRELESS, INC.
    Inventors: Oscar Chi-Lim AU, Beibei WANG, K. J. Ray LIU, Hung-Quoc Duc LAI, Feng ZHANG, Chenshu WU, David N. CLAFFEY
  • Patent number: 10742475
    Abstract: Method, apparatus and systems for object tracking are disclosed. In one example, a system for tracking a plurality of objects in a venue is disclosed. The system comprises a transmitter configured for transmitting a series of probe signals in a broadcasting manner through a wireless multipath channel, wherein the wireless multipath channel is impacted by a movement of at least one of the plurality of objects in the venue; and a plurality of heterogeneous target wireless receivers each of which is associated with an object of the plurality of objects in the venue.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: August 11, 2020
    Assignee: ORIGIN WIRELESS, INC.
    Inventors: Hung-Quoc Duc Lai, David N. Claffey, Chen Chen, Feng Zhang, Chenshu Wu, Chau-Wai Wong, Beibei Wang, Oscar Chi-Lim Au, K. J. Ray Liu
  • Patent number: 10735298
    Abstract: Methods, apparatus and systems for detecting and monitoring vital signs and other periodic motions of an object are disclosed. In one example, a system for monitoring object motion in a venue is disclosed. The system comprises a transmitter, a receiver, and a vital sign estimator. The transmitter is located at a first position in the venue and configured for transmitting a wireless signal through a wireless multipath channel impacted by a pseudo-periodic motion of an object in the venue. The receiver is located at a second position in the venue and configured for: receiving the wireless signal through the wireless multipath channel impacted by the pseudo-periodic motion of the object in the venue, and obtaining at least one time series of channel information (TSCI) of the wireless multipath channel based on the wireless signal.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: August 4, 2020
    Assignee: ORIGIN WIRELESS, INC.
    Inventors: Chen Chen, Feng Zhang, Qinyi Xu, Beibei Wang, Chenshu Wu, Hangfang Zhang, Chau-Wai Wong, David N. Claffey, Chun-I Chen, Hung-Quoc Duc Lai, Zhung-Han Wu, Min Wu, Yi Han, Oscar Chi-Lim Au, K. J. Ray Liu