Gm Global Technolgoy Operations, Inc.

John Sergakis

Fan Bai

Jinzhu Chen

Lakshmi V Thanayankizil

Aaron Adler

Zijun Han

Andrew J MacDonald

Robert A Hrabak

Xin Yu

David P Pop

Venkata Naga Siva Vikas Vemuri

Chandra S Namuduri

Wende Zhang

Thomas M Forest

Nadav Lavi

Scott Thomas Droste

Thomas E Utter

Wen Gu

Dan Shan

Xi Ju

Sitaram Emani

Dustin H Smith

Nikhil N Neti

Evripidis Paraskevas

Kathleen S McMahon

Matthew Alan Schroeder

Daniel E Nicholson

Pavan Siddartha Aka

A method for unicast UWB ranging includes receiving UWB sensor data from a plurality of UWB sensors. The UWB sensors include UWB anchors and a UWB tag. The method further includes assigning a priority to each of the plurality of UWB to create a schedule. Also, the method includes synchronizing a global clock to generate a synchronized global time. Moreover, the method includes determining a maximum time gap and a minimum time gap, wherein the minimum time gap is a minimum amount of time needed between a first sensor reading and a second sensor reading of the plurality of UWB sensors to avoid UWB signal collision, the maximum time gap is a maximum predetermined amount of time between sensor readings of the plurality of UWB sensors; and updating the schedule based on the synchronized global time, the minimum time gap, and the maximum time gap.

Synchronized unicast ranging for UWB localization

A method for smart guided selection of networks includes detecting a wireless connectivity issue between. The in-vehicle network device is inside a vehicle, and the network access device may be inside or outside the vehicle. The method further includes receiving network data. The network data includes a list of available networks and network performance characteristics of each of the available networks. The method includes predicting, using machine learning, quality of service (QoS) metrics of the available networks along a trip of a vehicle and selecting a one or more networks from the list of available networks for one or more in-vehicle network devices based constraint solving on the predicted QoS metrics of the list available networks and QoS constraints.

Method and system for smart guided selection of networks

A telematics system for a mobile UE includes a telematics controller that is configured to communicate via a plurality of communication channels. The telematics controller determines, for each of the communication channels, a parameter related to data throughput and energy consumption to effect an uplink communication between the telematics controller and a second device when the mobile UE is in a low-power operating mode. The parameter related to data throughput and energy consumption to effect the uplink communication is compared with a threshold. One of the communication channels is selected based upon the parameter related to data throughput and energy consumption to effect the uplink communication. The telematics controller communicates with the second device via the one of the plurality of communication channels when the mobile UE is in the low-power operating mode.

System and method for wireless data transmission from mobile user equipment during low power operation

A system for providing updates in a vehicle includes a server device configured for providing an OTA campaign update and the vehicle. The vehicle includes a device including software to be upgraded by the over-the-air campaign update and a low voltage battery providing low voltage power. The system further includes a battery providing high voltage power and an accessory power module configured to transform the high voltage power into low voltage power and including programming to estimate an available power of the low voltage battery. The system further includes a controller monitoring the available power, comparing the available power to a threshold, and, when the available power is less than the threshold, commanding the accessory power module to transform the high voltage power to provide the low voltage electrical power. The controller further schedules receiving the update based upon the available power and updates the device with the update.

Method and system to optimize power utilization using an alternative power converter while operating vehicle software updates

Systems and methods of diagnosing sensor performance of an ultra wide band (UWB) sensor localization for a vehicle are provided. The method comprises receiving sensor signals from at least four UWB anchors and a UWB tag for a time period. The sensor signals represent anchor coordinates and real-time distances between the tag and each anchor. The method comprises aligning the sensor signals to define aligned data. The method comprises calculating a predicted location of the UWB tag based on the aligned data and a least square of error to define a first constructed matrix and a second constructed matrix. The method comprises determining a local error of each of the at least four UWB anchors based on the least square of error and comparing each local error with an error threshold to define a first threshold high. The method comprises determining an erratic anchor based on the first threshold high.

System and method for diagnosing sensor performance of an ultra wide band sensor localization

A system and method for estimation method for determining a location of a vehicle digital key wallet includes selecting, by a user, whether to store a digital key wallet in a cloud storage or within a secure telematics unit contained within a vehicle. The digital key wallet is used to initiate an event within the vehicle. A backoffice server stores data including a radio intelligence database and a rule-based vehicle pattern matrix. The digital key wallet is switched to a fallback device based on the status of a communication link with the secure telematics unit, the radio intelligence database, and the rule-based vehicle pattern matrix.

Determining a location of a vehicle digital key wallet

Systems and methods for diagnosing sensor performance of a UWB sensor localization are provided. The system comprises a UWB tag, at least four UWB anchors, and a gateway. The gateway comprises an ECU arranged to receive sensor signals from the UWB anchors. The ECU comprises a preprocessing module arranged to align the sensor signals defining aligned data and is arranged to determine intersections of the aligned data defining points of intersections. The system further comprises a clustering module arranged to cluster the points of intersections defining at least one cluster of points of the UWB anchors to calculate a clustering quality and a clustering variance of each of the at least one cluster. The ECU is arranged to find a clustering contribution of each anchor defining a first contribution low of one of the anchors and is arranged to determine an erratic anchor based the first contribution low.

A method and system of resilient UWB target localization for a vehicle are provided. The system comprises a UWB tag arranged to be mobile and trackable by way of a sensor signal and at least three UWB anchors. Each anchor is in communication with the tag. The system further comprises a gateway in communication with the anchors. The gateway comprises an ECU arranged to receive sensor signals from UWB anchors. The ECU comprises a preprocessing module, a clustering module, and a Bayesian module. The preprocessing module is arranged to align sensor signals at an aligned timestamp to define aligned data. The clustering module is arranged to cluster points of intersections, defining a sensed location for each cluster. The Bayesian module is arranged to determine a real-time location of the tag based on a Bayesian probability function to match the sensed location with a predicted location of the tag.

System and method of resilient ultra wide band target localization for a vehicle

A system for providing quality of experience (QoE) metrics to incoming application data transferred to a vehicle includes a cloud-based dynamically updatable application QoE policy engine adapted to establish QoE metrics and prioritization criteria for incoming application data and to assign QoE policies to the vehicle, and a data controller within the vehicle adapted to receive QoE policies from the application QoE policy engine and enforce the QoE policies assigned, wherein the data controller is adapted to enforce the QoE policies assigned with an enhanced distributed control access (EDCA) algorithm adapted to prioritize incoming application data traffic received via IEEE 802.11 standard supported wireless LAN technology channels and with a resource block allocation and network slicing (RAN) algorithm adapted to prioritize incoming application data traffic received via cellular channels.

Quality framework for vehicle application data networks

A system and method for sharing a digital key for a vehicle. The system includes a first digital key device having a digital key stored thereon, a second digital key device, and a vehicle server. The first digital key device sends a request to the vehicle server for a key sharing session. The vehicle server commences a key sharing session in response to the request. The first digital key device shares the digital key to a second digital key device. The vehicle server ends the key sharing session.

Method for delegated key sharing for digital car key system

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.

Method and apparatus for leveraging wireless connectivity for pre-service preparation in service lanes

A digital key sharing system includes an electronic circuit and a first server computer. The electronic circuit is configured to store a plurality of digital keys, receive a plurality of key sharing requests, and generate a plurality of features in response to the plurality of key sharing requests. The first server computer is in wireless communication with the electronic circuit and is configured to generate an alert signal in response to finding one or more anomalies in the plurality of features to initiate a notification to a primary user device associated with the electronic circuit, and send a suspend notification signal to the electronic circuit in response to the finding of the one or more anomalies in the plurality of features. The electronic circuit is further configured to suspend use of the plurality of digital keys in response to reception of the suspend notification signal.

Method for digital key misbehavior and sybil attack detection through user profiling

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. In some implementations the middleware and kernel space includes universal-serial-bus components configured to emulate analogous components of the add-on device.

Hardware-sharing between a vehicle system and add-on device using customized middleware

A video communications method includes segmenting an image frame or an image frame portion into first and second source network packet blocks. The first source network packet block includes a first number of source network packets and the second network packet block includes a second number of source network packets. The method further includes encoding the first source network packet block to produce a first encoded network packet block and encoding the second source network packet block to produce a second encoded network packet block. The first encoded network packet block includes a first number of encoded network packets and the second encoded network packet block includes a second number of encoded network packets. Still further, the method includes transmitting the first and second encoded network packet blocks over a wireless network. A wireless device and a vehicle may utilize the video communications method.

Video communications methods using network packet segmentation and unequal protection protocols, and wireless devices and vehicles that utilize such methods

A system and method of managing short-range wireless communication connections at a vehicle, the method including: receiving a wireless signal from a personal mobile device at the vehicle, wherein the wireless signal is received using a first short-range wireless communication (SRWC) technology; determining whether to perform a connection handover based on the received wireless signal; when it is determined that the connection handover is to be performed, then carrying out the connection handover that includes establishing an alternative carrier connection between a wireless communications device and the personal mobile device using a second SRWC technology, wherein the wireless communications device is installed in the vehicle; and when it is determined that the connection handover is not to be performed, then setting the wireless communications device to operate in a discovery mode, wherein the discovery mode includes sending an inquiry message indicating availability of a connection to the wireless communications device.

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Bloomfield Hills, MI, United States of America

John Sergakis