Patents by Inventor Meghna Agrawal

Meghna Agrawal 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: 20190207562
    Abstract: An apparatus to prevent supply-to-ground current in a comparator is disclosed. The apparatus includes circuitry to determine if first and second output nodes of the comparator have respectively reached first and second logic levels, and circuitry responsive to a determination that the voltage at the first and second output nodes of the comparator has reached the first and second logic levels, to generate a signal. In addition, the apparatus includes circuitry to supply the signal to a transistor, the signal to turn off the transistor and prevent the flow of supply-to-ground current through the comparator.
    Type: Application
    Filed: December 29, 2017
    Publication date: July 4, 2019
    Inventor: Meghna Agrawal
  • Patent number: 10341018
    Abstract: Methods, systems, and devices are described for commissioning light fixtures. One method may include receiving, at a mobile device, an encoded light signal from a light fixture in a plurality of light fixtures. The encoded light signal may be decoded to obtain an identifier associated with the light fixture, and a correspondence between the identifier and a plurality of locations of the plurality of light fixtures may be determined.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: July 2, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Meghna Agrawal, Suresh Kumar Bitra
  • Publication number: 20190166473
    Abstract: Techniques are provided which may be implemented using various methods and/or apparatuses in a mobile device to request a transport vehicle. Techniques are provided which may be implemented using various methods and/or apparatuses in a transport vehicle to respond to a request from a mobile device. Various embodiments include customer and transport authentication and security techniques. Various embodiments include location update techniques to enable a transport vehicle to navigate to a mobile device, even in areas of low position accuracy for traditional GNSS and terrestrial transceiver-based systems.
    Type: Application
    Filed: November 29, 2017
    Publication date: May 30, 2019
    Inventors: Sai Pradeep VENKATRAMAN, Meghna AGRAWAL, Weihua GAO
  • Patent number: 10284293
    Abstract: Disclosed are methods, systems, devices, apparatus, computer-/processor-readable media, and other implementations, including a method to process one or more light-based signals that includes determining mobile device data and coarse previous field-of-view (FOV) data representative of pixels of a light-capture device of a mobile device that detected light-based signals from at least one light device located in an area where the mobile device is located, determining, based on the mobile device data and the coarse previous FOV data, predicted one or more pixels of the light-capture device of the mobile device likely to receive light signals from one or more light devices, in the area where the mobile device is located, capable of emitting one or more light-based communications, and activating the predicted one or more pixels of the light-capture device.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: May 7, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Suresh Kumar Bitra, Meghna Agrawal
  • Patent number: 10278023
    Abstract: A method of locating a target device includes: producing, at a query device, a request for a location of a target device, the query device including a first radio, of a first type, configured to communicate wirelessly using a first communication protocol, the target lacking a radio of the first type but including a second radio, of a second type, configured to communicate wirelessly using a second communication protocol, the second communication protocol being incompatible with the first communication protocol; and transmitting the request wirelessly, from the query device to a first intermediate device, using the first radio.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: April 30, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Sai Pradeep Venkatraman, Ju-Yong Do, Weihua Gao, Meghna Agrawal, Gengsheng Zhang
  • Publication number: 20190109641
    Abstract: Methods, systems, and devices are described for commissioning light fixtures. One method may include receiving, at a mobile device, an encoded light signal from a light fixture in a plurality of light fixtures. The encoded light signal may be decoded to obtain an identifier associated with the light fixture, and a correspondence between the identifier and a plurality of locations of the plurality of light fixtures may be determined.
    Type: Application
    Filed: December 6, 2018
    Publication date: April 11, 2019
    Inventors: Meghna AGRAWAL, Suresh Kumar BITRA
  • Publication number: 20190088135
    Abstract: Disclosed is a method and apparatus for managing a driving plan of an autonomous vehicle. The method may include obtaining observations of a neighboring vehicle using one or more sensors of the autonomous vehicle. The method may also include classifying one or more behavioral driving characteristics of the neighboring vehicle based on the observations. Furthermore, the method may include updating the driving plan based on a classification of the one or more behavioral driving characteristics of the neighboring vehicle, and controlling one or more operations of the autonomous vehicle based on the updated driving plan.
    Type: Application
    Filed: September 15, 2017
    Publication date: March 21, 2019
    Inventors: Ju-Yong DO, Sai Pradeep VENKATRAMAN, Meghna AGRAWAL, Weihua GAO, Gengsheng ZHANG
  • Publication number: 20190052995
    Abstract: A method of using one or more radio-frequency signals includes: monitoring, with at least one radio-frequency (RF) receiver, one or more RF characteristics of one or more wireless RF signals from one or more RF devices in an environment; comparing the one or more RF characteristics to a reference RF profile for the environment; and initiating an action based on a difference between the one or more RF characteristics and the reference RF profile determined by the comparing.
    Type: Application
    Filed: August 9, 2017
    Publication date: February 14, 2019
    Inventors: Meghna AGRAWAL, Sai Pradeep VENKATRAMAN, Weihua GAO, Ju-Yong DO, Gengsheng ZHANG
  • Patent number: 10194272
    Abstract: Embodiments of methods and apparatuses for peer discovery in transactional mobile applications are disclosed. In one embodiment, a method of peer discovery includes receiving from a server, at a first device, a meeting location and information for communication with a second device, obtaining a series of location data related to the second device, where the location data is based on a non-device-to-device positioning, determining whether to perform a direct device-to-device positioning with the second device using the meeting location and information for communication with the second device, performing a series of last-stretch direct device-to-device positioning measurements between the first device and the second device in response to a determination to perform the direct device-to-device positioning with the second device, and identifying the second device based on the series of last-stretch device-to-device positioning measurements between the first device and the second device.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: January 29, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Sai Pradeep Venkatraman, Weihua Gao, Ju-Yong Do, Meghna Agrawal
  • Patent number: 10165105
    Abstract: Disclosed is an apparatus and method for automatic communication mode selection. The method may include detecting a communication by a user equipment. The method may also include determining one or more characteristics associated with the communication, wherein the one or more characteristics comprise user environmental data, public environmental data, or a combination thereof associated with the communication. Furthermore, the method may include selecting a mode for the communication that is different from an original mode of the detected communication based on the one or more characteristics.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: December 25, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Ju-Yong Do, Sai Pradeep Venkatraman, Meghna Agrawal, Weihua Gao, Gengsheng Zhang
  • Patent number: 10158425
    Abstract: Methods, systems, and devices are described for commissioning light fixtures. One method may include receiving, at a mobile device, an encoded light signal from a light fixture in a plurality of light fixtures. The encoded light signal may be decoded to obtain an identifier associated with the light fixture, and a correspondence between the identifier and a plurality of locations of the plurality of light fixtures may be determined.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: December 18, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Meghna Agrawal, Suresh Kumar Bitra
  • Publication number: 20180324548
    Abstract: Embodiments of methods and apparatuses for peer discovery in transactional mobile applications are disclosed. In one embodiment, a method of peer discovery includes receiving front a server, at a first device, a meeting location and information for communication with a second device, obtaining a series of location data related to the second device, where the location data is based on a non-device-to-device positioning, determining whether to perform a direct device-to-device positioning with the second device using the meeting location and information for communication with the second device, performing a series of last-stretch direct device-to-device positioning measurements between the first device and the second device in response to a determination to perform the direct device-to-device positioning its the second device, and identifying the second device based on the series of last-stretch device-to-device positioning measurements between the first device and the second device.
    Type: Application
    Filed: September 13, 2017
    Publication date: November 8, 2018
    Inventors: Sai Pradeep Venkatraman, Weihua Gao, Ju-Yong Do, Meghna Agrawal
  • Patent number: 10090926
    Abstract: An example of a method of processing visible light signals includes determining a property of light received from a light source at a device; determining a mode of operation of the device based on the property of the light, the mode of operation corresponding to a color discrimination capability of at least one image sensor of the device; detecting the light, using the at least one image sensor in the determined mode of operation, to produce a plurality of detection signals, the at least one image sensor including a plurality of pixels and each detection signal of the plurality of detection signals being associated with a respective pixel of the plurality of pixels; and extracting information from the plurality of detection signals.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: October 2, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Suresh Kumar Bitra, Meghna Agrawal, Sreekanth Hosahudya Venkataramanappa
  • Publication number: 20180259342
    Abstract: Disclosed is a method and apparatus for performing positioning of an unmanned aerial vehicle (UAV). The method may include determining a first position of the UAV using a first positioning system during flight of the UAV. The method may also include deactivating the first positioning system after determining the first position, and detecting one or more motor characteristics of one or more motors of the UAV during flight. Furthermore, the method may include determining a second position of the UAV based on the first position and one or more motions of the UAV that correspond to the detected one or more motor characteristics.
    Type: Application
    Filed: March 10, 2017
    Publication date: September 13, 2018
    Inventors: Suresh Kumar Bitra, Meghna Agrawal, Bala Ramasamy
  • Publication number: 20180219623
    Abstract: An example of a method of processing visible light signals includes determining a property of light received from a light source at a device; determining a mode of operation of the device based on the property of the light, the mode of operation corresponding to a color discrimination capability of at least one image sensor of the device; detecting the light, using the at least one image sensor in the determined mode of operation, to produce a plurality of detection signals, the at least one image sensor including a plurality of pixels and each detection signal of the plurality of detection signals being associated with a respective pixel of the plurality of pixels; and extracting information from the plurality of detection signals.
    Type: Application
    Filed: February 2, 2017
    Publication date: August 2, 2018
    Inventors: Suresh Kumar BITRA, Meghna AGRAWAL, Sreekanth HOSAHUDYA VENKATARAMANAPPA
  • Patent number: 9998854
    Abstract: Methods for mobility indication of wireless Access Points (APs) are disclosed. An AP may determine mobility indication information, based, in part, on at least one of: configuration information on the AP pertaining to mobility; and/or wireless signal measurements associated with the AP, and/or captured images associated with the AP, and/or sensor measurements associated with the AP. The AP may transmit the mobility indication information for the AP. The mobility indication information may indicate that the AP is mobile and/or characterize the mobility. The mobility indication information may further include a request to remove information associated with the AP from location determination databases, location assistance databases, and/or base station almanacs.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: June 12, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Weihua Gao, Meghna Agrawal, Gengsheng Zhang, Ju-Yong Do, Sai Pradeep Venkatraman
  • Patent number: 9948394
    Abstract: Embodiments of apparatuses and methods of power optimization in VLC positioning are disclosed. In one embodiment, a mobile device may include image sensors configured to receive visible light communication signals, a memory configured to store the visible light communication signals, and a transceiver configured to receive positioning assistance data of a venue, and a controller configured to: decode one or more light fixtures within a field of view of the mobile device to obtain corresponding light fixture identifications, determine a motion of the mobile device with respect to the one or more light fixtures based on the light fixture identifications and the positioning assistance data of the venue, and switch the image sensors of the mobile device to a reduced duty cycle state based on the motion of the mobile device with respect to the one or more light fixtures within the field of view of the mobile device.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: April 17, 2018
    Assignee: QUACOMM Incorporated
    Inventors: Suresh Kumar Bitra, Meghna Agrawal
  • Publication number: 20180098303
    Abstract: A ranging operation between an initiator device and a responder device may be performed by receiving, from the initiator device, a data frame including a request for the responder device to report its actual Short Interframe Space (SIFS) duration to the initiator device; creating a response frame; determining the actual SIFS duration based on the received data frame and the response frame; embedding SIFS information indicative of the actual SIFS duration of the responder device into the response frame; and sending the response frame to the initiator device.
    Type: Application
    Filed: December 7, 2017
    Publication date: April 5, 2018
    Inventors: Xiaoxin Zhang, Ning Zhang, Carlos Horacio Aldana, Youhan Kim, Praveen Dua, Meghna Agrawal
  • Publication number: 20180091221
    Abstract: Disclosed are methods, systems, devices, apparatus, computer-/processor-readable media, and other implementations, including a method to process one or more light-based signals that includes determining mobile device data and coarse previous field-of-view (FOV) data representative of pixels of a light-capture device of a mobile device that detected light-based signals from at least one light device located in an area where the mobile device is located, determining, based on the mobile device data and the coarse previous FOV data, predicted one or more pixels of the light-capture device of the mobile device likely to receive light signals from one or more light devices, in the area where the mobile device is located, capable of emitting one or more light-based communications, and activating the predicted one or more pixels of the light-capture device.
    Type: Application
    Filed: September 23, 2016
    Publication date: March 29, 2018
    Inventors: Suresh Kumar BITRA, Meghna AGRAWAL
  • Publication number: 20180087909
    Abstract: Method, mobile device, computer program product, and apparatus relating to beacon data collection. A user context at a mobile device may be obtained and a recommended configuration for beacon data collection can be determined according to the recommended configuration. A reliability metric may be determined as part of determining the recommended beacon collection configuration. The beacon data collection may include filter or weight to define when or how to send or collect beacon data and/or positioning data.
    Type: Application
    Filed: September 23, 2016
    Publication date: March 29, 2018
    Inventors: Ju-Yong Do, Sai Pradeep Venkatraman, Weihua Gao, Meghna Agrawal, Gengsheng Zhang