Patents by Inventor LAKSHMI V. THANAYANKIZIL
LAKSHMI V. THANAYANKIZIL 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).
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Patent number: 11956046Abstract: An occupant detection system for an interior cabin area of a vehicle includes one or more signal conversion devices including conversion circuitry and a wireless control module including a multi-band transceiver having two or more transceivers. The wireless control module executes instructions to continuously send, by a first transceiver, signals on a first frequency band. The wireless control module executes instructions to receive, by a second transceiver, signals on a second frequency band from a signal conversion device. The wireless control module compares original training symbols from the signals on the first frequency band with training symbols from the signals on the second frequency band to determine a change in value of in one or more channel state information (CSI) parameters, and determines one or more occupants are present within the interior cabin area of the vehicle based on the change in one or more CSI parameters.Type: GrantFiled: March 21, 2022Date of Patent: April 9, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Kamran Ali, Mohammad Naserian, Lakshmi V. Thanayankizil, Bhargavi Chandrakumar, Fan Bai
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Patent number: 11870476Abstract: A system for multiple wireless systems of vehicle to share cabling. The system may include a plurality of first antennas to interface signals with a first transceiver as part of a first wireless system and a plurality of second antennas to interface signals with a second transceiver as part of a second wireless system. The system may include a first switch configured to selectively connect the first and second antennas to first and second cables and a second switch configured to selectively connect the first and second transceivers to the first and second cables such that the first and second antennas and transceivers share the first and second cables.Type: GrantFiled: April 21, 2022Date of Patent: January 9, 2024Assignee: GM Global Technology Operations LLCInventors: George Knish, Jang Hwan Oh, Lakshmi V. Thanayankizil
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Publication number: 20230422100Abstract: Wireless transmission of data packets between controllers is executed over a plurality of integrated hybrid wireless communication channels, with proportional allocation of communication links for guaranteed and best-effort communication links Data packets may be communicated across a plurality of wireless communication channels to ensure delivery of on-demand performance.Type: ApplicationFiled: June 24, 2022Publication date: December 28, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Andrew J. MacDonald, Venkata Naga Siva Vikas Vemuri, Ashhad Mohammed, Lakshmi V. Thanayankizil, Eilon Riess, Dipankar Pal
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Publication number: 20230371072Abstract: A wireless communication system for a vehicle includes a wireless access point (AP), an ultra-wide band (UWB) system, a communication link, a controller, and a vehicle system. The UWB system is in communication with the wireless AP via a communication link. The wireless communication system is operable to detect, via the wireless AP, a request for localized wireless communication. The UWB system requests the wireless AP to generate a clear to send (CTS) transmission, which includes selecting an ultra-wide band (UWB) channel, mapping the UWB channel to a plurality of WiFi channels, and transmitting, by the wireless AP, the CTS transmission to each of the plurality of WiFi channels. The UWB system then transmits a UWB message.Type: ApplicationFiled: May 13, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Aaron Adler, Lakshmi V. Thanayankizil, Djordje Preradovic
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Publication number: 20230344457Abstract: A system for multiple wireless systems of vehicle to share cabling. The system may include a plurality of first antennas to interface signals with a first transceiver as part of a first wireless system and a plurality of second antennas to interface signals with a second transceiver as part of a second wireless system. The system may include a first switch configured to selectively connect the first and second antennas to first and second cables and a second switch configured to selectively connect the first and second transceivers to the first and second cables such that the first and second antennas and transceivers share the first and second cables.Type: ApplicationFiled: April 21, 2022Publication date: October 26, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: George Knish, Jang Hwan Oh, Lakshmi V. Thanayankizil
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Publication number: 20230299829Abstract: An occupant detection system for an interior cabin area of a vehicle includes one or more signal conversion devices including conversion circuitry and a wireless control module including a multi-band transceiver having two or more transceivers. The wireless control module executes instructions to continuously send, by a first transceiver, signals on a first frequency band. The wireless control module executes instructions to receive, by a second transceiver, signals on a second frequency band from a signal conversion device. The wireless control module compares original training symbols from the signals on the first frequency band with training symbols from the signals on the second frequency band to determine a change in value of in one or more channel state information (CSI) parameters, and determines one or more occupants are present within the interior cabin area of the vehicle based on the change in one or more CSI parameters.Type: ApplicationFiled: March 21, 2022Publication date: September 21, 2023Inventors: Kamran Ali, Mohammad Naserian, Lakshmi V. Thanayankizil, Bhargavi Chandrakumar, Fan Bai
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OCCUPANT DETECTION SYSTEM FOR DETERMINING POSITION IN A VEHICLE BASED ON COARSE-GRAINED LOCALIZATION
Publication number: 20230294705Abstract: An occupant detection system for determining a unique position of a detected presence within an interior cabin area of a vehicle includes a plurality of signal conversion devices each including conversion circuitry. Each of the plurality of signal conversion devices are assigned to a specific position within the interior cabin area of the vehicle. The conversion circuitry for the plurality of signal conversion devices include unique sub-carrier frequency that corresponds to the unique position within the interior cabin area of the vehicle. The occupant detection system includes a wireless control module including a multi-band transceiver having a first transceiver configured to transmit and receive signals on a first frequency band and a second transceiver configured to transmit and receive signals on a second frequency band.Type: ApplicationFiled: March 21, 2022Publication date: September 21, 2023Inventors: Kamran Ali, Mohammad Naserian, Lakshmi V. Thanayankizil, Bhargavi Chandrakumar, Fan Bai -
Patent number: 11737004Abstract: Systems and method are provided for transmitting data from a vehicle using a Wi-Fi network. A method includes: collecting, by a processor, performance data associated with a plurality of access points in the Wi-Fi network; segmenting, by a processor, a route into a plurality of route segments; mapping, by a processor, the plurality of access points to the plurality of route segments; selecting, by a processor, a set of access points from the plurality of access points based on the collected performance data, wherein the set of access points comprises a selected access point for each route segment of the plurality of route segments; predicting, by a processor, a scanning channel based on the set of access points and a current location of the vehicle; and selectively transmitting, by a processor, packet data based on the set of access points, the scanning channel, and the associated performance data.Type: GrantFiled: May 27, 2021Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jinzhu Chen, Lakshmi V. Thanayankizil, Shu Chen, Chuan Li, Donald K. Grimm
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Patent number: 11647403Abstract: Methods, systems and vehicles are provided for controlling a wireless application provided to a wireless device over a wireless network. One or more radio frequency (RF) parameters of the wireless device in the wireless network are triggered by the wireless application. One or more sensors generate sensor data of the wireless device in the wireless network. A processor at least facilitates determining whether an adjustment is appropriate for the wireless device in the wireless device to mitigate interference from wireless signals outside the wireless network, based on the sensor data, wherein the determination as to whether an adjustment is appropriate is based at least on part on whether the wireless application is being utilized for the wireless device in the wireless network; and adjusting, via instructions provided by the processor, a sensitivity of a receiver of the wireless device, based on the determination that the adjustment is appropriate.Type: GrantFiled: January 26, 2021Date of Patent: May 9, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ahmad S. Balboul, Bhargavi Chandrakumar, Lakshmi V. Thanayankizil
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Publication number: 20220394586Abstract: Systems and method are provided for transmitting data from a vehicle using a Wi-Fi network. A method includes: collecting, by a processor, performance data associated with a plurality of access points in the Wi-Fi network; segmenting, by a processor, a route into a plurality of route segments; mapping, by a processor, the plurality of access points to the plurality of route segments; selecting, by a processor, a set of access points from the plurality of access points based on the collected performance data, wherein the set of access points comprises a selected access point for each route segment of the plurality of route segments; predicting, by a processor, a scanning channel based on the set of access points and a current location of the vehicle; and selectively transmitting, by a processor, packet data based on the set of access points, the scanning channel, and the associated performance data.Type: ApplicationFiled: May 27, 2021Publication date: December 8, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jinzhu Chen, Lakshmi V. Thanayankizil, Shu Chen, Chuan Li, Donald K. Grimm
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Publication number: 20220240104Abstract: Methods, systems and vehicles are provided for controlling a wireless application provided to a wireless device over a wireless network. One or more radio frequency (RF) parameters of the wireless device in the wireless network are triggered by the wireless application. One or more sensors generate sensor data of the wireless device in the wireless network. A processor at least facilitates determining whether an adjustment is appropriate for the wireless device in the wireless device to mitigate interference from wireless signals outside the wireless network, based on the sensor data, wherein the determination as to whether an adjustment is appropriate is based at least on part on whether the wireless application is being utilized for the wireless device in the wireless network; and adjusting, via instructions provided by the processor, a sensitivity of a receiver of the wireless device, based on the determination that the adjustment is appropriate.Type: ApplicationFiled: January 26, 2021Publication date: July 28, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ahmad S. Balboul, Bhargavi Chandrakumar, Lakshmi V. Thanayankizil
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Patent number: 11382133Abstract: The present application relates to a method and apparatus for intelligent wireless protocol optimization including receiving, by a processor, a request from a first media access controller to transmit a first data signal, transmitting, by the processor, a ready to send packet to the second media access controller in response to the second media access controller being currently transmitting a second data signal, transmitting the first data signal by the first media access controller, transmitting a clear to send packet by the second media access controller to the second media access controller in response to the transmitting of the first data signal by the first media access controller, and continuing transmission of the second data signal in response to a completion of the transmission of the first data signal by the first media controller.Type: GrantFiled: November 9, 2020Date of Patent: July 5, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lakshmi V. Thanayankizil, Steven Hartley
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Publication number: 20220150966Abstract: The present application relates to a method and apparatus for intelligent wireless protocol optimization including receiving, by a processor, a request from a first media access controller to transmit a first data signal, transmitting, by the processor, a ready to send packet to the second media access controller in response to the second media access controller being currently transmitting a second data signal, transmitting the first data signal by the first media access controller, transmitting a clear to send packet by the second media access controller to the second media access controller in response to the transmitting of the first data signal by the first media access controller, and continuing transmission of the second data signal in response to a completion of the transmission of the first data signal by the first media controller.Type: ApplicationFiled: November 9, 2020Publication date: May 12, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lakshmi V. Thanayankizil, Steven Hartley
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Patent number: 11212683Abstract: A method for use aboard a motor vehicle or other mobile system having a multi-core communication chipset includes scanning a radio frequency spectrum to identify candidate access points (APs) operating in a frequency band of the communication chipset, e.g., 2.4 GHz and 5 GHz. The method includes selecting one of the candidate APs as a first AP for connection to a primary station of the chipset. In response to a secondary station (STA-2) of the chipset being connected to an external AP on the same frequency band as the first AP, the method includes automatically disconnecting the secondary station (STA-2), then connecting the first AP to the primary station. Another candidate AP is connected to the secondary station as a second AP. The method may include simultaneously communicating with the first and second APs via the primary and secondary stations, respectively.Type: GrantFiled: August 24, 2020Date of Patent: December 28, 2021Assignee: GM Global Technology Operations LLCInventors: Steven Hartley, Lakshmi V. Thanayankizil, Bhargavi Chandrakumar
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Patent number: 10997799Abstract: A computer-implemented method at a service facility for capturing vehicle state and service information (VSSI) is provided. The method includes: detecting the arrival of a vehicle at the service facility; initiating, by a processor at the service facility, the establishment of a secure communication link with the vehicle via an in-vehicle wi-fi hotspot; wirelessly retrieving, by the processor at the service facility from the vehicle, a subset of VSSI via the wi-fi hotspot, wherein the retrieved VSSI includes the subset of the VSSI that has changed since the last update of the VSSI to a cloud-based server and wherein the subset of the VSSI includes some, but not all of the VSSI; and scheduling a vehicle service based on service indications derived from the VSSI.Type: GrantFiled: May 1, 2019Date of Patent: May 4, 2021Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Fan Bai, Lakshmi V. Thanayankizil, John Sergakis, Matthew Alan Schroeder, Kathleen S. McMahon, Xi Ju
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Publication number: 20200409678Abstract: Embodiments include methods, systems, and computer readable storage medium for a method for providing a software update to a vehicle is disclosed. The method includes entering, by a vehicle, a wakeup state. The method further includes sending, by the vehicle, a vehicle registration request to a computing environment. The method further includes receiving, by the vehicle, a confirmation that the vehicle is to receive one or more software updates based on the vehicle registration of the vehicle. The method further includes receiving, by the vehicle, the one or more software updates from the computing environment.Type: ApplicationFiled: June 25, 2019Publication date: December 31, 2020Inventors: Xi Ju, Lakshmi V. Thanayankizil, Fan Bai, John Sergakis, Michael C. Heitmann
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Publication number: 20200349777Abstract: A computer-implemented method at a service facility for capturing vehicle state and service information (VSSI) is provided. The method includes: detecting the arrival of a vehicle at the service facility; initiating, by a processor at the service facility, the establishment of a secure communication link with the vehicle via an in-vehicle wi-fi hotspot; wirelessly retrieving, by the processor at the service facility from the vehicle, a subset of VSSI via the wi-fi hotspot, wherein the retrieved VSSI includes the subset of the VSSI that has changed since the last update of the VSSI to a cloud-based server and wherein the subset of the VSSI includes some, but not all of the VSSI; and scheduling a vehicle service based on service indications derived from the VSSI.Type: ApplicationFiled: May 1, 2019Publication date: November 5, 2020Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Fan Bai, Lakshmi V. Thanayankizil, John Sergakis, Matthew Alan Schroeder, Kathleen S. McMahon, Xi Ju
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Patent number: 10635452Abstract: A vehicle system virtualizing add-on device hardware for a vehicle application. The system includes a computer-readable storage device comprising a client application, middleware components, kernel-space components, and a vehicle application. The client application communicates with an add-on-device server application for virtualizing the add-on-device hardware component at the vehicle. The middleware, in various embodiments, includes an emulated system-call application-program-interface module that receives add-on-device-hardware data from the client application, sends the data to the kernel-space components after processing, and receives the data having been processed at the kernel space. The middleware includes a frameworks-and-abstraction module that receives add-on-device-hardware data, having been processed at the kernel space and the emulated system-call-application-program-interface module and after processing sends the data for use at the vehicle application.Type: GrantFiled: April 10, 2017Date of Patent: April 28, 2020Assignee: GM Global Technology Operations LLCInventors: Fan Bai, John Sergakis, Lakshmi V. Thanayankizil, David P. Pop, Xin Yu
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Patent number: 10567039Abstract: A system and method of facilitating wireless charging of an electric vehicle (EV) include the EV performing service discovery and negotiation via a neighborhood aware network (NaN) to determine charging compatibility of a WiFi enabled charging station or another EV with the EV. The method also includes the EV requesting a reservation from the charging station or a charge from the another EV based on determining that the EV is compatible with the charging station or the another EV by broadcasting a request message that includes a packet with the request via the NaN.Type: GrantFiled: October 11, 2017Date of Patent: February 18, 2020Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Rashmi Prasad, Lakshmi V. Thanayankizil
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Patent number: 10555124Abstract: A system and method of determining vehicle characteristics of an unknown vehicle through evaluation of wireless signals transmitted by the unknown vehicle, wherein the method includes: obtaining information from a wireless receiving device, wherein the wireless receiving device is configured to listen for wireless signals from one or more wireless transmission devices, wherein the obtained information is based at least partly on one or more wireless signals transmitted by an unknown vehicle, and wherein the one or more wireless signals only include non-uniquely identifying vehicle information; determining one or more characteristics concerning the unknown vehicle based on evaluating the obtained information in connection with vehicle information data that is stored in a vehicle information database; and storing the one or more characteristics concerning the unknown vehicle in a database.Type: GrantFiled: February 26, 2018Date of Patent: February 4, 2020Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Richard Elswick, Aditya S. Kamini, Lakshmi V. Thanayankizil