Patent application number | Description | Published |
20100245124 | E85 GAS STATION LOCATOR APPLICATIONS USING V2X PEER-TO-PEER SOCIAL NETWORKING - A system and method for wirelessly exchanging information concerning the location of E85 gas stations between E85 vehicles. The method includes transmitting messages from an E85 gas station that identifies the location of the E85 gas station, the time of the transmission and the price of the E85 gas, and receiving the messages by E85 vehicles that pass within a certain distance of the E85 gas station. The method also includes identifying that two E85 vehicles pass close to each other, where the vehicles periodically broadcast an E85 beacon identifying them as E85 vehicles. When two E85 vehicles are identified, the vehicles exchange information concerning a list of the E85 gas stations that they have stored from messages received from E85 gas stations and/or other E85 vehicles. The two vehicles update their lists to include those E85 gas stations that one vehicle may have that the other does not. | 09-30-2010 |
20100248618 | USING V2X IN-NETWORK SESSION MAINTENANCE PROTOCOLS TO ENABLE INSTANT CHATTING APPLICATIONS - A system and method for allowing vehicle occupants to wirelessly chat with each other over a DSRC channel. A vehicle occupant may initiate a chatting session by wirelessly transmitting a request to speak with an occupant of another vehicle in its vicinity on a certain topic in a multi-hop manner. If the request is accepted by the occupant of another vehicle to enter into a chatting session on that topic, a wireless communications link is established between the two vehicles, where messages may be transmitted through other intermediate vehicles. The chatting session is maintained by monitoring the signal strength of the links between the vehicles in the chain of vehicles and new links are re-established if any of the existing links fail. | 09-30-2010 |
20100250106 | USING V2X-BASED IN-NETWORK MESSAGE GENERATION, AGGREGATION, DISTRIBUTION AND PROCESSING PROTOCOLS TO ENABLE ROAD HAZARD CONDITION WARNING APPLICATIONS - A method for providing messages indicating potential hazardous road conditions using a wireless communications network. Vehicles using the network include sensors that are able to detect various potentially hazardous road conditions, such as rain, fog, icy road conditions, traffic congestion, etc. A plurality of vehicles that detect a specific road condition provide a confidence value that the condition exists. The confidence value is then aggregated by the vehicles with the confidence value of the detected condition from the other vehicles to provide an aggregated result that identifies the probability that the detected road condition is occurring. The aggregated result is then transmitted to other vehicles approaching the road condition, possibly in a multi-hop manner. Alternately, the confidence value from all of the vehicles that detect the condition can be transmitted to approaching vehicles who will provide the aggregated result identifying the potential that the condition exists. | 09-30-2010 |
20100250346 | USING V2X IN-NETWORK MESSAGE DISTRIBUTION AND PROCESSING PROTOCOLS TO ENABLE GEO-SERVICE ADVERTISEMENT APPLICATIONS - A system and method for providing geo-service advertising messages using a wireless vehicle-to-infrastructure (V2X) communications network. Messages are transmitted from a business that identify the type of business, the name of the business and the location of the business, which are received by vehicles traveling within a certain distance of the business. The messages can be rebroadcast by the vehicles receiving the messages from the business to other vehicles either in a multi-hop information routing manner or in a delay-tolerant network information dissemination fashion so that the messages are sent to a wider area, but within a predetermined geographic area and with a predetermined time. If a particular user of the system wishes to learn about a particular business or type of business, he can activate the system so that the messages being sent between the vehicles and from the businesses can be displayed to the user for his use. | 09-30-2010 |
20110140968 | A LEAN V2X SECURITY PROCESSING STRATEGY USING KINEMATICS INFORMATION OF VEHICLES - A vehicle-to-vehicle communication filtering system is provided to selectively process broadcast messages between a host vehicle and a remote vehicle. A processing unit evaluates a time-to-collision status between the host vehicle and the remote vehicle sending the message. The time-to-collision status is a function of a relative distance and a relative velocity between the host vehicle and the remote vehicle which are determined from data provided within a first portion of the message received from the remote vehicle. An attentive factor is assigned to each of the remote vehicles based on the time-to-collision with respect to each remote vehicle. The attentive factor identifies a proportion of messages broadcast from the remote vehicle to be targeted for security processing. Security processing of the message is performed based on a second portion of the message unless the attentive factor indicates the message should be ignored. | 06-16-2011 |
20110205943 | OPPORTUNISTIC DATA TRANSFER BETWEEN VEHICLES - A system and method for optimizing wireless vehicle to vehicle communications is configured to maximize the amount of data that can be transferred from one vehicle to another during a transient encounter by adaptively adjusting the message packet size and data modulation rate during an inter-vehicle communication session. | 08-25-2011 |
20110221901 | Adaptive Scene Rendering and V2X Video/Image Sharing - A method is provided for video sharing in a vehicle-to-entity communication system. Video data is captured by an image capture device of an event remote from a source entity. A spatial relationship is determined between a location corresponding to the captured event and a location of a remote vehicle. A temporal relationship is determined between a time-stamp of the captured scene data and a current time. A utility value is determined as a function of the spatial relationship and the temporal relationship. A network utilization parameter of a communication network is determined for broadcasting and receiving the scene data. A selected level of compression is applied to the captured scene data as a function of the utility value and available bandwidth. The compressed scene data is transmitted from the source entity to the remote vehicle. | 09-15-2011 |
20110238259 | V2X-Connected Cooperative Diagnostic & Prognostic Applications in Vehicular AD HOC Networks - A method is provided for processing and analyzing diagnostic and prognostic data in a vehicle ad-hoc network. Diagnostic and prognostic data is exchanged between a host vehicle and remote vehicles in the vehicle ad-hoc network. The received diagnostic and prognostic data is stored in a memory of the host vehicle. Redundancy is eliminated in the received diagnostic and prognostic data. The diagnostic and prognostic data is assigned to clusters. Anomalies are detected in the stored data utilizing clustering techniques that determine whether a cluster of diagnostic and prognostic data formed from the host vehicle substantially deviates from the clusters of diagnostic and prognostic data formed from the remote vehicles. A driver of a vehicle is notified if the cluster data from a host vehicle deviates significantly from the clusters from the remote vehicles. | 09-29-2011 |
20110255482 | Systems and Methods for Multi-Channel Medium Access Control - Systems and methods for controlling communication on a control channel and service channels of an ad hoc wireless network includes periodically switching to the control channel during a control interval, periodically switching to one of the service channels during a service interval, and variably switching to another of the service channels during the service interval. | 10-20-2011 |
20110280325 | SPECTRAL-TEMPORAL AVERAGING FOR IEEE 802.11p DYNAMIC CHANNEL EQUALIZATION - A system and method for providing dynamic channel equalization in V2V and V2I communications systems. The method includes separating the channel bandwidth of a message into a plurality of subcarriers having different subcarrier frequencies, where the subcarriers include data subcarriers and pilot subcarriers. The method demodulates the message in the receiver to extract symbols from the message and determines channel estimation frequency responses using a least-squares estimation process and the extracted symbols for the pilot subcarriers. The channel estimation frequency responses of either the pilot subcarriers, the pilot subcarriers and some data subcarriers, or the pilot subcarriers and all data subcarriers are used to generate updated channel estimation frequency responses, and a new channel estimation frequency response is generated for each extracted signal using a previous channel estimation frequency response and the updated channel estimation frequency response. The extracted symbols are equalized using the new channel estimation frequency response. | 11-17-2011 |
20120087292 | Adaptive Multi-Channel Access for Vehicular Networks - A system and method is provided for dynamically self-allocating channel access for communication between communicating entities in an inter-vehicle ad hoc network. A respective entity observes communication activity over each inter-vehicle ad hoc network communication channel. Available time slots are identified within each communication channel for the respective entity to broadcast a data packet in response to the observed communication activity on a respective channel. An available communication channel and timeslot are selected to broadcast the data packet. A message is broadcast within the inter-vehicle ad hoc network that provides a schedule identifying the communication channel and time slot selected for broadcasting the data packet by the respective entity. The data packet is broadcast over the selected communication channel at the respective timeslot. | 04-12-2012 |
20120108163 | Intelligent Telematics Information Dissemination Using Delegation, Fetch, and Share Algorithms - A system for intelligent dissemination of messages via long-range communications to select delegate vehicles, and short-range communications from the delegate vehicles. The system includes a processor and a memory storing a delegation and dissemination algorithm that, when executed by the processor, causes the processor to define a dissemination area and define multiple delegation zones within the dissemination area. The algorithm also causes the processor to identify at least one delegate vehicle, of a network of vehicles, for each delegation zone and seed a message into the network of vehicles by transmitting the message to each delegate vehicle via long-range communications so that the delegate vehicles can transmit the message throughout the network of vehicles via short-range communications. | 05-03-2012 |
20120151073 | INTELLIGENT CACHE MANAGEMENT PROTOCOL FOR VEHICULAR NETWORKS - A method and system for cooperatively caching digital content in a vehicle for sharing with other vehicles in a vehicle-to-vehicle network. A content utility value is assigned to each piece of digital content available on the network, where the utility value is a function of the popularity of the content, the freshness of the content, and the size of the content. Any piece of content with a sufficiently high content utility value is stored in a host vehicle's collective cache, so that other vehicles may be able to retrieve it quickly on demand. The host vehicle may cache a particular piece of digital content even if the host vehicle is not interested in it. The host vehicle periodically re-computes the content utility value for all digital content in the vehicle's cache to determine if any of the data should be evicted from the cache. | 06-14-2012 |
20120158820 | Information Gathering System Using Multi-Radio Telematics Devices - The present disclosure relates to a method for intelligent procurement of data from a plurality of vehicles in a data-aggregation region using long-range communications, short-range communications, and group leader vehicles. The method includes a central server defining a plurality of data-aggregation areas and identifying at least one group leader vehicle in each data-aggregation area. The method also includes the group leader vehicle in each data-aggregation area collecting data from other vehicles in the data-aggregation area using short-range communications and the group leader vehicle in each data-aggregation area determining to cease collecting data from the other vehicles in the data-aggregation area. The method further includes the group leader vehicle in each data-aggregation area generating a consensus report using the data collected from the other vehicles in its data-aggregation area. | 06-21-2012 |
20120197875 | Efficient Information Exchange Between Encountering Vehicles Using Approximate Knowledge Via Hash Functions - A method is provided for efficiently transferring records related to places of interest between two communicating vehicles in a V2V system without initially having to transfer full text records. A determination is made as to whether information stored in a memory of the vehicle is redundant with the respect to the other vehicle. A query request is transmitted from a first vehicle to a second vehicle containing specifics as to what records the first vehicle is seeking. Data satisfying the query request represented by global unique index numbers is hashed to determine the similarity between the data of the two communicating vehicles. The similarity is used to determine whether a full filtered set of global unique index numbers should be transferred to the second vehicle for determining which records are not duplicate records. Thereafter, the second vehicle wirelessly transmits to the first vehicle the non-overlapping data that satisfies the query request. | 08-02-2012 |
20120239471 | LEARNING DRIVER DEMOGRAPHICS FROM VEHICLE TRACE DATA - A method of providing advertising content targeted to an operator of a vehicle. Vehicle data acquisition devices are employed to collect operator attribute information from vehicle trace data of the vehicle as the operator operates the vehicle. A processor of the vehicle applies a statistical analysis on the operator attribute information for determining a probability of demographic characteristics of the operator of the vehicle. The demographic characteristics of the operator are identified as a function of the determined probability. The vehicle communicates the targeted advertising content to the operator of the vehicle. | 09-20-2012 |
20120282895 | METHOD AND APPARATUS FOR MULTIMEDIA CONTENT PROMOTION IN VEHICULAR WIRELESS NETWORKS - A multimedia content dissemination system is provided for mobile vehicles. A wireless vehicle communication network provides communication among mobile vehicles in the network. At least one host vehicle within the wireless vehicle communication network is selected by an authorized entity for disseminating multimedia content received by the authorized entity. The at least one host vehicle transmits an inquiry to target vehicles in the wireless vehicle communication network. The inquiry comprises a content profile that includes descriptors associated with the multimedia content for allowing target vehicles to determine whether an interest exists in the multimedia content. The at least one host vehicle transmits the multimedia content in encrypted form to an interested target vehicle for sampling the multimedia content. The interested target vehicle requests ongoing use of the multimedia content from the authorized entity in response to sampling the multimedia content. The authorized entity provides to the interested target vehicle a decryption key for authorizing ongoing use of the multimedia content. | 11-08-2012 |
20120317161 | SYSTEMS AND METHODS FOR DETERMINING RECOMMENDED MEDIA CONTENT FOR EXCHANGE BETWEEN VEHICLES - An onboard computer system including instructions causing a processor to store a first-user media profile indicating media preferences of a user. The processor also determines that the vehicle is encountering a second vehicle and receives a second-user media profile. The processor also evaluates the profiles to determine whether the profiles bear a predetermined similarity and, in response to determining the similarity exists, identifies recommended media, based on characteristics of the profiles, and initiates provision of the recommended media to one of the users of the first vehicle and the user of the second vehicle. | 12-13-2012 |
20130030681 | METHOD AND APPARATUS FOR UPDATING TRAVEL TIME ESTIMATION - A self-contained vehicular traffic travel time information system for a vehicle in an inter-vehicle ad-hoc network includes an on-board vehicular broadcasting unit for communicating with other vehicles within the inter-vehicle ad hoc network. A positioning device identifies the vehicle's position throughout a course of travel. An on-board vehicle processing unit stores road segments throughout the vehicle path of travel. The on-board vehicle processing unit determines a starting position and an ending position for each respective road segment. A length of time for traveling through each respective road segment is determined. A memory storage device stores the segmented road portions and the time of travel associated with each respective road segment. The on-board vehicular broadcasting unit disseminates the determined travel times of recently traveled road segments via a broadcast message to other vehicles within the inter-vehicle ad hoc network. | 01-31-2013 |
20130034016 | METHOD AND SYSTEM FOR TRANSFERRING INFORMATION IN VEHICULAR WIRELESS NETWORKS - A method and system may receive, at an intermediate vehicle, a route request packet from a source vehicle. The system and method may enter a routing entry comprising a path from intermediate vehicle to the source vehicle and a quality metric value in a routing table. The method and system may receive, at a destination vehicle, the route request packet broadcast from one or more intermediate vehicles. The method and system may transmit, along a path from the destination vehicle to source vehicle, a route reply message. The method and system may transfer data from the source vehicle to the destination vehicle along the path. The method and system may monitor one or more quality metric values associated with the data transferred to the destination vehicle along the path. | 02-07-2013 |
20130103779 | METHOD AND APPARATUS FOR AUGMENTING SMARTPHONE-CENTRIC IN-CAR INFOTAINMENT SYSTEM USING VEHICLE WIFI/DSRC - A method and system for augmenting smartphone-centric in-car infotainment systems using Wi-Fi or DSRC communications between a vehicle and surrounding infrastructure. One or more smartphones or other electronic devices within a vehicle electronically communicate with the vehicle via a wireless protocol, such as Bluetooth, or a wired connection. The electronic devices run applications which submit requests for internet-based files or data, such as web pages, audio or video files. The vehicle brokers these requests and, using its own external wireless communications systems, such as Wi-Fi or DSRC, retrieves as many of the files or data as possible whenever internet access is available via an external wireless connection. The vehicle then provides the files or data to the requesting electronic devices. A token-based method for prioritizing the requests and rendering the data to the electronic devices is also disclosed. | 04-25-2013 |
20130231826 | VEHICLE HEALTH PROGNOSIS - A method includes collecting state of health (SOH) data and usage data from a plurality of vehicles. A peer group is identified among the vehicles. A vehicle health prognosis is generated for each vehicle of the peer based on the collected SOH and usage data. The vehicles of the peer group are ranked based on the generated vehicle health prognosis and the rank is reported to an output device that is associated with each vehicle or with a user of each vehicle. If evaluation of the ranking indicates that the health prognosis of a vehicle of the peer group is improvable by modifying vehicle usage, an alert is issued to a user of that vehicle. | 09-05-2013 |
20130238432 | AUTOMATIC PROVIDER RECOMMENDATION - A method includes receiving a query by a current user for a recommendation regarding a provider of a specified service or commodity in a locality. A profile of the current user is obtained. Tracking data is obtained corresponding to a traceable device of each user of a set of users. A relevant subset of the set of users is selected based on the profile of the current user. The query is responded to by generating the recommendation based on the tracking data that corresponds to the selected relevant subset of the users. | 09-12-2013 |
20130262067 | COLLABORATIVE VEHICLE HEALTH MODEL - A method includes collecting vehicle health data from a plurality of vehicles. A peer group is identified among the plurality of vehicles. The collected vehicle health data from the peer group into a collaborative vehicle health model, the collaborative vehicle health model being applicable to a current vehicle to predict a state of at least a component of the current vehicle. | 10-03-2013 |
20140051456 | METHOD AND APPARATUS FOR ENABLING VEHICLE APPLICATIONS USING HETEROGENEOUS WIRELESS DATA PIPES - A method for determining which of a plurality of data connectivity pipes will be used to transmit data for one or more applications operating on a vehicle. The method identifies which of the applications are active at a particular point in time and identifies a number of available configurations based on the number of applications that are active and the number of the data pipes that are available to transmit the data for the application. The method identifies a plurality of performance metrics for each configuration and determines an optimal performance value for each performance metric from all of the configurations. The method then determines an overall utility function for each configuration that is based on its performance metrics and the optimal performance value and selects a data pipe for each application that is active based on a maximum overall utility function from each application's available overall utility functions. | 02-20-2014 |
20140053047 | METHOD AND APPARATUS OF TRIPLE-DECODING FOR IEEE 802.11p PHYSICAL LAYER MECHANISM - A method for receiving and storing a packet of symbols. The method decodes the packet of symbols using a first decoding algorithm, and if the first decoding algorithm fails to correctly decode the packet of symbols, then the method decodes the packet of symbols using a second decoding algorithm. If the second decoding algorithm fails to decode the packet of symbols, then a third decoding algorithm is used. The third decoding algorithm can be sub-packet decoding, where a first sub-packet is part of the packet of symbols. If the first sub-packet is decoded successfully, then the method generates a channel estimate using the properly decoded information, and then uses that channel estimate to decode a subsequent sub-packet using the channel estimate, where the second sub-packet is a set of symbols that are a portion of the packet of symbols. | 02-20-2014 |
20140079217 | METHOD AND APPARATUS FOR SECURE PAIRING OF MOBILE DEVICES WITH VEHICLES USING TELEMATICS SYSTEM - A method for establishing secure wireless communications between a mobile device and a vehicle, where a user is not required to enter a password, but instead the telematics system is used to bootstrap the trust between the mobile device and the vehicle. The user initiates the process by pressing a button on the mobile device to request pairing. The vehicle uses its secure OnStar cellular communication link to verify the mobile device with the OnStar server, which generates and sends a session key to the vehicle via the vehicle-OnStar cellular connection, and also sends the session key to the mobile device via the device's own cellular connection. The session key serves as a shared secret, such that the vehicle can issue a secrecy challenge to the mobile device. When the mobile device responds appropriately, a trusted wireless communications link can be established between the mobile device and the vehicle. | 03-20-2014 |
20140201259 | Method and Apparatus of Using Separate Reverse Channel for User Input in Mobile Device Display Replication - A method of controlling media content between a portable device and a head control unit. A first link is initiated for transmitting control signals between a control client and a control server. A second link is initiated for transmitting media content between a data server and a data client. The first link has a lower traffic volume capacity than the second link and a shorter latency for the control signals than for the media content signal over the second link. The control client generates control signals identifying a user's request and transmits the control signals to the control server using the first link. The control server provides instructions to the data server for executing the user request. The retrieved media data is transmitted from the data server to the data client using the second link. The media data is output to the user over the media output device. | 07-17-2014 |
20140241444 | TENTPOLES SCHEME TO ACHIEVE RELIABLE V2V COMMUNICATIONS - A communications system including a transmitter and a receiver. The transmitter transmits a signal with normal data symbols and at least one dual-use data symbol, where the dual-use data symbol has user data and more data protection than the normal data symbols. The receiver receives the transmitted signal and decodes the dual-use data symbol and uses information from decoding of the dual-use data symbol to improve a channel estimate for the normal data symbols. | 08-28-2014 |
20140303806 | APPARATUS AND METHODS FOR PROVIDING TAILORED INFORMATION TO VEHICLE USERS BASED ON VEHICLE COMMUNITY INPUT - The present disclosure relates to a method, for providing a relevant information set, based on vehicle crowd data, to vehicles. The method includes receiving, from a plurality of participating vehicles, vehicle crowd data relating to a condition sensed by the participating vehicles in a geographic area, yielding received vehicle crowd data. In one embodiment, the condition includes at least one pre-identified condition selected from a group consisting of cruise-control engagement, road hazard, icy road, other slick-road condition, and vehicle-security violation. The method also includes filtering the received vehicle crowd data, yielding relevant vehicle crowd data, and constructing, by the device, using the relevant vehicle crowd data, the relevant information set. The method further includes sending the relevant information set for delivery to one or more user vehicles associated with the geographic area. | 10-09-2014 |