Patents by Inventor Vivek Subramanian

Vivek Subramanian 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).

  • Patent number: 11327147
    Abstract: Systems, apparatuses, and methods for determining locations of wireless nodes in a network architecture are disclosed herein. In one example, a system for localization of nodes in a wireless network architecture, comprises a wireless node having a wireless device with one or more processing units and RF circuitry for transmitting and receiving communications in the wireless network architecture; and a plurality of wireless sensor nodes having a wireless device with a transmitter and a receiver to enable bi-directional communications with the wireless node in the wireless network architecture. One or more processing units of the wireless node are configured to execute instructions to determine ranging data including a set of possible ranges between the wireless node and the plurality of wireless sensor nodes having unknown locations, and to associate a set of relative locations within an environment of the wireless network architecture with the wireless node and the plurality of wireless sensor nodes.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: May 10, 2022
    Assignee: LOCIX, INC.
    Inventors: Tommi Ylamurto, Manu Seth, Lingkai Kong, Vivek Subramanian
  • Patent number: 11276308
    Abstract: Systems and methods for using radio frequency signals and sensors to monitor environments (e.g., indoor building and adjacent outdoor environments) are disclosed herein. In one embodiment, a system for providing a wireless asymmetric network comprises a hub having one or more processing units and at least one antenna for transmitting and receiving radio frequency (RF) communications in the wireless asymmetric network and a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional RF communications with the hub in the wireless asymmetric network. The one or more processing units of the hub are configured to determine localization of the plurality of sensor nodes within the wireless asymmetric network, to monitor loading zones and adjacent regions within a building based on receiving information from at least two sensor nodes, and to determine for each loading zone whether a vehicle currently occupies the loading zone.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: March 15, 2022
    Assignee: LOCIX, INC.
    Inventors: Teymur Bakhishev, Vivek Subramanian, Vikram Pavate, Tommi Ylamurto
  • Patent number: 11228999
    Abstract: Systems and methods for determining locations of wireless nodes in a network architecture are disclosed herein. In one example, a method comprises initiating calibration, with processing logic, of at least one component of RF circuitry having a transmit chain and a receive chain of a first wireless node by generating a first loopback calibration signal and passing this first loopback calibration signal through the transmit chain and the receive chain of the first wireless node. The method further includes measuring a first transmit time delay for passing the first loopback calibration signal through the transmit chain and also measuring a first receive time delay for passing the first loopback calibration signal through the receive chain of the first wireless node.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: January 18, 2022
    Assignee: LOCIX, INC.
    Inventors: Manu Seth, Lingkai Kong, Tommi Ylamurto, Vivek Subramanian
  • Patent number: 11030902
    Abstract: Systems and methods for using radio frequency signals and sensors to monitor environments (e.g., indoor building, industrial environments) are disclosed herein. In one embodiment, a system for providing a wireless asymmetric network comprises a hub having one or more processing units and at least one antenna for transmitting and receiving radio frequency (RF) communications in the wireless asymmetric network and a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional RF communications with the hub in the wireless asymmetric network.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: June 8, 2021
    Assignee: LOCIX, INC.
    Inventors: Teymur Bakhishev, Vivek Subramanian, Vikram Pavate, Tommi Ylamurto
  • Publication number: 20200305113
    Abstract: Systems and methods for determining locations of wireless nodes in a network architecture are disclosed herein. In one example, an asynchronous system includes a first wireless node having a wireless device with one or more processing units and RF circuitry for transmitting and receiving communications in the wireless network architecture including a first RF signal having a first packet. The system also includes a second wireless node having a wireless device with a transmitter and a receiver to enable bi-directional communications with the first wireless node in the wireless network architecture including a second RF signal with a second packet. The first wireless node determines a time of flight estimate for localization based on a time estimate of round trip time of the first and second packets and a time estimate that is based on channel sense information of the first and second wireless nodes.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 24, 2020
    Applicant: Locix Inc.
    Inventors: Manu Seth, Lingkai Kong, Tommi Ylamurto, Vivek Subramanian
  • Patent number: 10757675
    Abstract: Systems and methods for determining locations of wireless nodes in a network architecture are disclosed herein. In one example, an asynchronous system includes a first wireless node having a wireless device with one or more processing units and RF circuitry for transmitting and receiving communications in the wireless network architecture including a first RF signal having a first packet. The system also includes a second wireless node having a wireless device with a transmitter and a receiver to enable bi-directional communications with the first wireless node in the wireless network architecture including a second RF signal with a second packet. The first wireless node determines a time of flight estimate for localization based on a time estimate of round trip time of the first and second packets and a time estimate that is based on channel sense information of the first and second wireless nodes.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: August 25, 2020
    Assignee: Locix, Inc.
    Inventors: Manu Seth, Lingkai Kong, Tommi Ylamurto, Vivek Subramanian
  • Publication number: 20200209341
    Abstract: Systems, apparatuses, and methods for determining locations of wireless nodes in a network architecture are disclosed herein. In one example, a system for localization of nodes in a wireless network architecture, comprises a wireless node having a wireless device with one or more processing units and RF circuitry for transmitting and receiving communications in the wireless network architecture; and a plurality of wireless sensor nodes having a wireless device with a transmitter and a receiver to enable bi-directional communications with the wireless node in the wireless network architecture. One or more processing units of the wireless node are configured to execute instructions to determine ranging data including a set of possible ranges between the wireless node and the plurality of wireless sensor nodes having unknown locations, and to associate a set of relative locations within an environment of the wireless network architecture with the wireless node and the plurality of wireless sensor nodes.
    Type: Application
    Filed: February 22, 2019
    Publication date: July 2, 2020
    Applicant: Locix, Inc.
    Inventors: Tommi Ylamurto, Manu Seth, Lingkai Kong, Vivek Subramanian
  • Publication number: 20200135028
    Abstract: Systems and methods for using radio frequency signals and sensors to monitor environments (e.g., indoor building, industrial environments) are disclosed herein. In one embodiment, a system for providing a wireless asymmetric network comprises a hub having one or more processing units and at least one antenna for transmitting and receiving radio frequency (RF) communications in the wireless asymmetric network and a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional RF communications with the hub in the wireless asymmetric network.
    Type: Application
    Filed: December 26, 2019
    Publication date: April 30, 2020
    Applicant: Locix Inc.
    Inventors: Teymur Bakhishev, Vivek Subramanian, Vikram Pavate, Tommi Ylamurto
  • Publication number: 20200082719
    Abstract: Systems and methods for using radio frequency signals and sensors to monitor environments (e.g., indoor building and adjacent outdoor environments) are disclosed herein. In one embodiment, a system for providing a wireless asymmetric network comprises a hub having one or more processing units and at least one antenna for transmitting and receiving radio frequency (RF) communications in the wireless asymmetric network and a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional RF communications with the hub in the wireless asymmetric network. The one or more processing units of the hub are configured to determine localization of the plurality of sensor nodes within the wireless asymmetric network, to monitor loading zones and adjacent regions within a building based on receiving information from at least two sensor nodes, and to determine for each loading zone whether a vehicle currently occupies the loading zone.
    Type: Application
    Filed: November 12, 2019
    Publication date: March 12, 2020
    Applicant: Locix Inc.
    Inventors: Teymur Bakhishev, Vivek Subramanian, Vikram Pavate, Tommi Ylamurto
  • Publication number: 20200053691
    Abstract: Systems and methods for determining locations of wireless nodes in a network architecture are disclosed herein. In one example, a method comprises initiating calibration, with processing logic, of at least one component of RF circuitry having a transmit chain and a receive chain of a first wireless node by generating a first loopback calibration signal and passing this first loopback calibration signal through the transmit chain and the receive chain of the first wireless node. The method further includes measuring a first transmit time delay for passing the first loopback calibration signal through the transmit chain and also measuring a first receive time delay for passing the first loopback calibration signal through the receive chain of the first wireless node.
    Type: Application
    Filed: October 7, 2019
    Publication date: February 13, 2020
    Applicant: Locix, Inc.
    Inventors: Manu Seth, Lingkai Kong, Tommi Ylamurto, Vivek Subramanian
  • Patent number: 10551479
    Abstract: Systems, apparatuses, and methods for determining locations of wireless nodes in a network architecture are disclosed herein. In one example, a system for localization of nodes in a wireless network architecture comprises a plurality of wireless anchor nodes each having a known location and a wireless device with one or more processing units and RF circuitry for transmitting and receiving communications in the wireless network architecture and a wireless node having a wireless device with a transmitter and a receiver to enable bi-directional communications with the plurality of wireless anchor nodes in the wireless network architecture. One or more processing units of at least one of the plurality of wireless anchor nodes are configured to execute instructions to determine a set of possible ranges between each anchor node and the wireless node having an unknown location and to perform a triangulation algorithm that iterates through possible locations of the wireless node to minimize error.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: February 4, 2020
    Assignee: Locix, Inc.
    Inventors: Tommi Ylamurto, Manu Seth, Lingkai Kong, Vivek Subramanian
  • Patent number: 10536901
    Abstract: In one embodiment, a system includes a hub having one or more processing units and RF circuitry for transmitting and receiving communications in a wireless network architecture. The system includes a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional communications with the hub in the wireless network architecture. The one or more processing units of the hub are configured to execute instructions to determine a first scheduled timing of causing the transmitter to be operable to transmit and causing the receiver to be operable to receive for each wireless device based on a periodic beacon signal of the hub.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: January 14, 2020
    Assignee: Locix, Inc.
    Inventors: Tommi Ylamurto, Vikram Pavate, Elad Alon, Vivek Subramanian
  • Patent number: 10514704
    Abstract: Systems and methods for using radio frequency signals and sensors to monitor environments (e.g., indoor environments) are disclosed herein. In one embodiment, a system for providing a wireless asymmetric network comprises a hub having one or more processing units and at least one antenna for transmitting and receiving radio frequency (RF) communications in the wireless asymmetric network and a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional RF communications with the hub in the wireless asymmetric network. The one or more processing units of the hub are configured to execute instructions to determine at least one of motion and occupancy within the wireless asymmetric network based on a power level of the RF communications.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: December 24, 2019
    Assignee: Locix, Inc.
    Inventors: Teymur Bakhishev, Vivek Subramanian, Vikram Pavate, Tommi Ylamurto
  • Patent number: 10504364
    Abstract: Systems and methods for using radio frequency signals and sensors to monitor environments (e.g., indoor building and adjacent outdoor environments) are disclosed herein. In one embodiment, a system for providing a wireless asymmetric network comprises a hub having one or more processing units and at least one antenna for transmitting and receiving radio frequency (RF) communications in the wireless asymmetric network and a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional RF communications with the hub in the wireless asymmetric network. The one or more processing units of the hub are configured to determine localization of the plurality of sensor nodes within the wireless asymmetric network, to monitor loading zones and adjacent regions within a building based on receiving information from at least two sensor nodes, and to determine for each loading zone whether a vehicle currently occupies the loading zone.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: December 10, 2019
    Assignee: Locix, Inc.
    Inventors: Teymur Bakhishev, Vivek Subramanian, Vikram Pavate, Tommi Ylamurto
  • Patent number: 10470156
    Abstract: Systems and methods for determining locations of wireless nodes in a network architecture are disclosed herein. In one example, an asynchronous system includes a first wireless node having a wireless device with one or more processing units and RF circuitry for transmitting and receiving communications in the wireless network architecture including a first RF signal having a first packet. The system also includes a second wireless node having a wireless device with a transmitter and a receiver to enable bi-directional communications with the first wireless node in the wireless network architecture including a second RF signal with a second packet. The one or more processing units of the first wireless node are configured to execute instructions to determine a coarse time of flight estimate of the first and second packets and a fine time estimate of the time of flight using channel information of the first and second wireless nodes.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: November 5, 2019
    Assignee: Locix, Inc.
    Inventors: Manu Seth, Lingkai Kong, Tommi Ylamurto, Vivek Subramanian
  • Patent number: 10463293
    Abstract: Methods and apparatus for real-time, quantifiable monitoring of high-risk areas of biological tissue are described. The methods and apparatus use impedance spectroscopy to detect subtle changes in tissue health.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: November 5, 2019
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Michel Maharbiz, Vivek Subramanian, Ana Claudia Arias, Sarah Swisher, Amy Liao, Monica Lin, Felippe Pavinatto, Yasser Khan, Daniel Cohen, Elisabeth Leeflang, Shuvo Roy, Michael Harrison, David Young
  • Publication number: 20190197896
    Abstract: Systems and methods for using radio frequency signals and sensors to monitor environments (e.g., indoor building and adjacent outdoor environments) are disclosed herein. In one embodiment, a system for providing a wireless asymmetric network comprises a hub having one or more processing units and at least one antenna for transmitting and receiving radio frequency (RF) communications in the wireless asymmetric network and a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional RF communications with the hub in the wireless asymmetric network. The one or more processing units of the hub are configured to determine localization of the plurality of sensor nodes within the wireless asymmetric network, to monitor loading zones and adjacent regions within a building based on receiving information from at least two sensor nodes, and to determine for each loading zone whether a vehicle currently occupies the loading zone.
    Type: Application
    Filed: November 21, 2018
    Publication date: June 27, 2019
    Applicant: Locix Inc.
    Inventors: Teymur Bakhishev, Vivek Subramanian, Vikram Pavate, Tommi Ylamurto
  • Patent number: 10156852
    Abstract: Systems and methods for using radio frequency signals and sensors to monitor environments (e.g., indoor environments) are disclosed herein. In one embodiment, a system for providing a wireless asymmetric network comprises a hub having one or more processing units and at least one antenna for transmitting and receiving radio frequency (RF) communications in the wireless asymmetric network and a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional RF communications with the hub in the wireless asymmetric network. The one or more processing units of the hub are configured to execute instructions to determine at least one of motion and occupancy within the wireless asymmetric network based on a power level of the RF communications.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: December 18, 2018
    Assignee: Locix, Inc.
    Inventors: Teymur Bakhishev, Vivek Subramanian, Vikram Pavate, Tommi Ylamurto
  • Publication number: 20180324696
    Abstract: Systems and methods for implementing power management features while providing a wireless asymmetric network are disclosed herein. In one embodiment, a system includes a hub having a wireless control device that is configured to control communications and power consumption in the wireless asymmetric network architecture and sensor nodes each having at least one sensor and a wireless device with a transmitter and a receiver to enable bi-directional communications with the wireless control device of the hub. The wireless control device is configured to determine a scheduled timing of operating each sensor node during a first time period that is close in time with respect to a transmit window of the transmitter and during a second time period that is close in time with respect to a receive window of the receiver for each wireless device to reduce power consumption of the wireless devices of the sensor nodes.
    Type: Application
    Filed: July 19, 2018
    Publication date: November 8, 2018
    Applicant: LOCIX, Inc.
    Inventors: Vivek Subramanian, Elad Alon, Vikram Pavate
  • Patent number: 10104508
    Abstract: Systems and methods for determining locations of wireless sensor nodes in a tree network architecture having mesh-based features are disclosed herein. In one embodiment, a system includes a hub having one or more processing units and RF circuitry for transmitting and receiving communications with sensor nodes to enable bi-directional communications. The one or more processing units of the hub execute instructions to configure the system with a tree architecture for communications between the hub and the sensor nodes, and to configure the system temporarily with a mesh-based architecture for determining location information for the sensor nodes.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: October 16, 2018
    Assignee: LOCIX INC.
    Inventors: Lingkai Kong, Teymur Bakhishev, Tommi Ylamurto, Vivek Subramanian, Manu Seth