Mobile-originated SMS local broadcast
Granted: January 26, 2016
Patent Number:
9247434
A method and system for local broadcasting of messages from a wireless mobile device to many others located within the same geographic area. This can be done using SMS messaging wherein a message to be broadcast is addressed to a particular designated address and, when received by a wireless carrier system, is checked to determine that it came from an authorized sender, and then is broadcasted by the wireless carrier system to a geographically-limited area within which the sending…
Dynamic clustering of nametags in an automated speech recognition system
Granted: January 26, 2016
Patent Number:
9245526
A speech recognition method includes receiving a nametag utterance, decoding the nametag utterance to recognize constituent subwords of the nametag utterance, determining the number of subwords in the nametag utterance, and associating the nametag utterance with one or more of a plurality of different nametag clusters based on the number of subwords in the nametag utterance. According to preferred aspects of the method, a confusability check is performed on the nametag utterance within…
Mobile application DRx synchronization with embedded vehicle hardware
Granted: January 12, 2016
Patent Number:
9237534
The described method and system provide for synchronizing a mobile application on a mobile device with a DRx (discontinuous receive) schedule of a vehicle. When the vehicle ignition is turned off, a telecommunications unit on the vehicle sends a synchronization message to the mobile device, which allows the mobile application to synchronize with the DRx schedule of the vehicle. The DRx schedule includes a standby mode, a cyclic mode, and a powered down mode for the vehicle, and user…
Providing vehicle operating information using a wireless device
Granted: January 5, 2016
Patent Number:
9229903
A method of collecting vehicle operating information using a wireless device includes the steps of communicatively linking a wireless device located within a vehicle to a vehicle telematics unit; receiving vehicle data at the wireless device from the vehicle telematics unit using the link; recording the received vehicle data at the wireless device; detecting that the wireless device is no longer present in the vehicle; and wirelessly transmitting the recorded vehicle data to a central…
Modem signaling using a multitone prefix over a voice channel of a wireless communication system
Granted: December 29, 2015
Patent Number:
9225844
A system and method of communicating data between a vehicle and call center via a voice channel of a wireless communication system. The method carried out by the system includes the steps of: establishing a voice channel connection between a vehicle telematics unit and call center via a wireless cellular network; generating a modem signaling carrier comprising a prefix followed by a single frequency tone; sending the modem signaling carrier over the voice channel connection using an…
Vehicle telematics unit lockout recovery
Granted: December 29, 2015
Patent Number:
9224250
A method of removing a vehicle telematics unit from an invalid state includes sensing that the vehicle telematics unit wirelessly received an invalid state code that deactivates the communication function of the vehicle telematics unit from a base station of a wireless carrier system; determining at the vehicle telematics unit that a reset trigger applicable to invalid state codes has been activated; and commanding the vehicle telematics unit to reset the invalid state code when the…
Method of controlling dialing modes in a vehicle
Granted: December 8, 2015
Patent Number:
9210249
A dialing mode of a telematics unit in a vehicle is controlled by monitoring for dialing digits from a vehicle occupant, determining whether the type of dialing digits are continuous dialing digits or discrete dialing digits, establishing a continuous mode for receiving continuous dialing digits or a discrete mode for receiving discrete dialing digits based on the determination, and if the type of dialing digits changes, switching the established mode.
Processing messages received at a vehicle
Granted: December 8, 2015
Patent Number:
9209977
A system and method for processing messages received at a vehicle. The method carried by the system involves wirelessly receiving at a vehicle a first communication message having secure credentials and a message signature for a second communication message. Then, the vehicle authenticates the first communication message via its secure credentials. Later, the vehicle wirelessly receives the second communication message and validates this second message using the message signature from…
Tone detection for signals sent through a vocoder
Granted: December 8, 2015
Patent Number:
9208797
A tone detector and associated method for use with EVRC-B and GSM vocoders to enable reliable detection of system connect tones over a wireless communication system. The tone detection method examines a number of sequential data frames of the signal received from the vocoder and determines that the tone is present if the spectral energy at frequencies around the tone is much higher than that at neighboring frequencies and if the calculated center frequency of the data frames is at or…
System and method for serving binary short message service content to different wireless networks
Granted: December 1, 2015
Patent Number:
9204272
Systems and methods are described for serving binary short message service (SMS) content to multiple mobile devices that use different wireless networks to receive data. One implementation involves a method for serving binary SMS content to the subscribers of a telematics service provider (TSP) on multiple mobile devices that are provisioned with multiple wireless networks. The method involves receiving a binary SMS at a receiving module of an external short message entity (ESME),…
Speech recognition dependent on text message content
Granted: December 1, 2015
Patent Number:
9202465
A method of automatic speech recognition. An utterance is received from a user in reply to a text message, via a microphone that converts the reply utterance into a speech signal. The speech signal is processed using at least one processor to extract acoustic data from the speech signal. An acoustic model is identified from a plurality of acoustic models to decode the acoustic data, and using a conversational context associated with the text message. The acoustic data is decoded using…
Method and system for database browsing
Granted: December 1, 2015
Patent Number:
9201575
A method of enabling browsing of database tables on a computer system includes providing a configuration file to identify database table characteristics and to develop a graphical user interface (GUI) in communication with a database. The method further includes displaying on the GUI a main screen including: a record as a row from a specified database table; a related database table name, the table name being related to the specified database table; and a detail as a value in a column…
Method of processing global navigation satellite system data
Granted: December 1, 2015
Patent Number:
9200902
A method of processing global navigation satellite system (GNSS) data includes identifying one or more GNSS satellites servicing a predefined area, receiving at least one of GNSS almanac data or space-based augmentation system (SBAS) data for the satellites servicing the predefined area, determining the performance of the GNSS satellites servicing the predefined area using the almanac data or SBAS data, and applying a performance rating to the predefined area based on the performance of…
Method and system for vehicular data collection
Granted: November 17, 2015
Patent Number:
9189896
Methods and systems are provided for vehicular communications. The systems include a server and a controller in a vehicle. The controller is configured to receive data from vehicular components and transmit the data to the remote server. In a normal mode, the data is transmitted in accordance with a normal frequency of events, while in an abnormal mode, the data is transmitted in accordance with an abnormal frequency of events. The abnormal frequency is different from the normal…
Vehicle telematics connection retry
Granted: November 3, 2015
Patent Number:
9179488
A method of re-establishing a cellular connection between a vehicle telematics unit and a wireless carrier system includes detecting a loss of cellular connection between a vehicle telematics unit and a wireless carrier system; accessing a technology order table (TOT) that orders a plurality of radio access technologies (RATs) capable of use at the vehicle telematics unit according to desirability; attempting to re-establish the cellular connection by: determining the RAT used by the…
Owner selectable and context adjustable DRX timing
Granted: November 3, 2015
Patent Number:
9179410
A method is provided for user customization and context-based adjustment of a discontinuous reception (DRx) schedule for a telematics-equipped vehicle. The method includes receiving, by a telematics unit of the vehicle, user input of DRx schedule information; determining, by the telematics unit, that ignition of the vehicle has been switched off; determining, by the telematics unit, an applicable DRx schedule from a plurality of DRx schedules, wherein the plurality of DRx schedules are…
Singular value decomposition for improved voice recognition in presence of multi-talker background noise
Granted: November 3, 2015
Patent Number:
9177557
A system and method for providing speech recognition functionality offers improved accuracy and robustness in noisy environments having multiple speakers. The described technique includes receiving speech energy and converting the received speech energy to a digitized form. The digitized speech energy is decomposed into features that are then projected into a feature space having multiple speaker subspaces. The projected features fall either into one of the multiple speaker subspaces or…
Method for arbitrating between multiple vehicle navigation systems
Granted: November 3, 2015
Patent Number:
9175977
A method for arbitrating between vehicle navigation systems in the event that multiple systems are concurrently activated so that information is provided to a user by only one navigation system at a time. This method of arbitration reduces the possibility of user confusion that could otherwise occur if multiple vehicle navigation systems were simultaneously providing the user with information. According to one embodiment, the arbitration method is used in conjunction with a…
System and method for remote management of electric vehicle charge profiles
Granted: October 27, 2015
Patent Number:
9172116
The described principles provide a method and system for assisting a user of an electric vehicle in maintaining a charge state of the chargeable onboard energy storage system. In an implementation, an intuitive remote interface allows the user to create, modify, save and select profiles. The user may select a profile to apply at a current time as well as optionally at a later time. A profile may have a date limitation or day of week limitation in addition to a time limitation. In an…
Method of speeding call flow
Granted: October 20, 2015
Patent Number:
9165466
A system and method for communicating between a vehicle and a central facility includes initiating at a vehicle a request for turn-by-turn directions; establishing a packet-switched call between the vehicle and a central facility using a wireless carrier system and a mobile dialed number (MDN) associated with the vehicle; receiving determined route information at the vehicle from the central facility via the packet-switched call; offering a vehicle occupant a service option that uses a…