Toyota Infotechnology Center Co., Ltd. Patent applications |
Patent application number | Title | Published |
20150311925 | Wireless Communication Device and Sensing Method - A wireless communication device which includes: a sensing antenna for sensing communication by a primary user; a first transmission antenna; a second transmission antenna; first transmitting unit that generates a transmission signal to be transmitted from the first transmission antenna; second transmitting unit that generates a transmission signal to be transmitted from the second transmission antenna and that cancels, in the sensing antenna, a transmission signal from the first transmission antenna; digital signal processing unit that suppresses the transmission signal from the first transmission antenna, from a received signal of the sensing antenna; and sensing unit that detects communication by a primary user on the basis of the received signal of the sensing antenna that has been processed by the digital signal processing unit. While performing communication as a secondary user, the device detects communication by a primary user. Hence, constant sensing is enabled in a cognitive radio communication device. | 10-29-2015 |
20140005847 | Event Control Schedule Management | 01-02-2014 |
20130258878 | Dynamic Data Publication and Dissemination - A system for dynamic data publication and dissemination in a mobile node network is disclosed. The system comprises a collection module, a naming module and a publishing module. The collection module collects sensor data and detects a road event based at least in part on the sensor data. The collection module generates event data that describes the road event. The naming module converts the event data to a set of naming data that conforms to a naming structure. The naming structure includes an application identifier that identifies an application for the road event and a location that identifies a geographical scope for the road event. The naming module caches the set of naming data in a storage device. The publishing module publishes the set of naming data in the mobile node network. | 10-03-2013 |
20130257632 | Street Parking Availability Estimation - A system and method for estimating street parking availability for a user is disclosed. The system comprises a communication module and a parking probability generator. The communication module receives data describing a set of traces for a group of vehicles associated with a group of users. The parking probability generator assigns the set of traces to one or more street segments based at least in part on street segment data describing the one or more street segments. The parking probability generator generates one or more parking probabilities for the one or more street segments based at least in part on one or more user densities in the one or more street segments. | 10-03-2013 |
20130238807 | Vehicle Network Connectivity Management - A system and method for determining a network is disclosed. The system comprises a requesting module and a determination module. The requesting module sends a request from a vehicle for network data to a connectivity server. The request includes vehicle data describing a current location of the vehicle and a destination for the vehicle. The requested network data is associated with the vehicle data. The determination module receives the network data relating to one or more networks. The determination module caches the network data and determines which network to connect to from the one or more networks based at least in part on the network data. | 09-12-2013 |
20130237263 | System for Distributed Spectrum Sensing In a Highly Mobile Vehicular Environment - A system and method for detecting spectrum holes in a region is disclosed. The system comprises a requesting module, a detecting module and an aggregation module. The requesting module retrieves channel availability data for a region. The channel availability data describes potential availability of a channel. The detecting module obtains a set of values for the channel by spectrum sensing at a set of locations in the region based at least in part on the potential availability of the channel. The aggregation module aggregates the set of values for the channel over the set of locations in the region to obtain a first value for the channel and determines the availability of the channel based at least in part on the first value for the channel. | 09-12-2013 |
20130179056 | System for Constructing a Spanning Forest in a Vehicular Network - A first leader vehicle system and method for forming a first group including the first leader vehicle system is disclosed. The first leader vehicle system comprises a requesting module, a determination module and an aggregation module. The requesting module identifies a second leader vehicle system within a transmission range. The second leader vehicle system is in a second group. The requesting module chooses a first merging direction and receives a second merging direction chosen by the second leader vehicle system. The determination module determines that the first merging direction matches the second merging direction. The aggregation module aggregates probe vehicle data from the second leader vehicle system based at least in part on the determination that the first merging direction matches the second merging direction so that the first leader vehicle system merges with the second leader vehicle system to form the first group. | 07-11-2013 |
20130159230 | Data Forgetting System - A system and method for forgetting data in a navigation system is disclosed. The system comprises a monitor module, a determination module and a delete module. The monitor module detects a trigger event. The determination module determines a classification for the trigger event. The determination module determines a set of learning parameters to delete from a memory associated with a navigation system based at least in part on detection of the trigger event and the classification of the trigger event. The delete module deletes the determined set of learning parameters. | 06-20-2013 |
20130158866 | Journey Destination Endpoint Determination - A system and method for establishing a journey destination endpoint is disclosed. The system comprises a communication module, a stop classification module and an endpoint establishment module. The communication module receives a stream of data including a first data element and a second data element from a global positioning system. The communication module receives a set of sensor data from one or more sensors. The stop classification module detects a stop for a traveling vehicle based at least in part on the stream of data and the set of sensor data. The stop classification module applies one or more metric criteria to the first data element and the second data element to determine a type of the stop. The endpoint establishment module establishes a journey destination endpoint based on the type of the stop. The endpoint establishment module associates the journey destination endpoint with retrieval identification data. | 06-20-2013 |
20130158855 | Journey Learning System - A system and method for estimating journey destinations is disclosed. The system comprises a conversion module, a frequency module, a metric module, a quality module and a summary module. The conversion module converts a set of driver history data to a set of learning parameters. The frequency module analyzes the set of learning parameters and current journey data to generate estimated journey data describing one or more potential journeys. The metric module analyzes the estimated journey data and the set of current status data to determine one or more metrics associated with the estimated journey data. The quality module determines one or more quality scores associated with the estimated journey data. The summary module determines one or more status summaries and one or more estimate summaries. The summary module associates the one or more status summaries and the one or more estimate summaries with the estimated journey data. | 06-20-2013 |
20130158854 | Navigation System - A system and method for estimating journey destinations is disclosed. The system comprises a driving history module, a frequency module, a duration module, a direction module, a metric module and a quality module. The driving history module retrieves a set of learning parameters including driver history data describing one or more past journeys. The frequency module analyzes the learning parameters to determine a candidate set including data describing frequent start locations and frequent end locations for one or more potential journeys to one or more destinations. The duration module estimates journey duration data for the one or more potential journeys. The direction module estimates direction data describing one or more directions for the one or more potential journeys. The metric module determines one or more metrics for the one or more potential journeys. The quality module determines one or more quality scores for the one or more potential journeys. | 06-20-2013 |
20130151894 | Fault-Tolerant Computer System - A system and method for providing a fault-tolerant basis to execute instructions is disclosed. The system comprises an error detector, a rewriting module, a recovery engine, a fault locator and a fallback programming module. The error detector detects a first error in the execution of an instruction in a faulty stage unit of a first pipeline unit. The rewriting module rewrites the instruction to form a rewritten instruction responsive to detecting the first error. The recovery engine executes the rewritten instruction in the first pipeline unit. The error detector determines if a second error occurs in the execution of the rewritten instruction. Responsive to detecting the second error, the recovery engine selects a substitute stage unit for the faulty stage unit from a second pipeline unit. The fault locator locates a faulty component for the faulty stage unit. The fallback programming module establishes a fallback unit for the faulty component. | 06-13-2013 |
20130151148 | Place Affinity Estimation - A system and method for estimating a place affinity for a user is disclosed. The system comprises a gathering module, a communication module and a scoring module. The gathering module receives a place and retrieves rich place data associated with the place. The communication module retrieves user profile data associated with a user and a place affinity model associated with the user. The scoring module estimates an affinity score for the place using the place affinity model based at least in part on the rich place data and the user profile data. | 06-13-2013 |
20130122819 | Optimizing Dynamic Spectrum Access - A system and method for optimizing spectrum access in data communications is disclosed. The system comprises a case module, a selection engine, an evaluation module and an update module. The case module determines a present case based at least in part on sensor data and environmental data, determines a matching case for the present case and configures one or more channel profiles for the present case based at least in part on the matching case. The selection engine selects a first channel based on the one or more channel profiles. The first channel is associated with a first channel profile from the one or more channel profiles. The evaluation module evaluates a first channel performance for the first channel and generates a first channel reward for the first channel. The update module updates the first channel profile based at least in part on the first channel reward. | 05-16-2013 |
20130121434 | System for Distributed Interference Alignment - A system and method for realizing distributed interference alignment is disclosed. The system comprises a retrieving module, a determination module and a precoding module. The retrieving module retrieves source data. The determination module generates data describing one or more requirements for one or more associated Interference Alignment (IA) groups. The precoding module calculates a precoding vector based at least in part on the data describing the one or more requirements for the one or more associated IA groups. The precoding module is communicatively coupled to the retrieving module to receive the source data. The precoding module generates a transmission signal based at least in part on the precoding vector and the source data. | 05-16-2013 |
20130094516 | Control Protocol System - A system and method for borrowing one or more time slots for data transmission is disclosed. The system comprises a monitor module, a request module and an allocation module. The monitor module detects a trigger event for borrowing a time slot from a potential lender. The request module generates a borrowing request responsive to the trigger event. The allocation module receives a response responding to the borrowing request from the potential lender. The allocation module determines whether the borrowing request is approved based at least in part on the response. Responsive to an approval of the borrowing request, the allocation module allocates one or more designated time slots included in a first active period and the borrowed time slot included in a second active period for data communication. | 04-18-2013 |
20130094490 | WIRELESS COMMUNICATION APPARATUS - A wireless communication apparatus has a first communication unit configured to perform at least one of transmission and reception by using a multicarrier signal constituted by a plurality of subcarriers shaped by a band-limited pulse waveform; and second communication unit configured to perform at least one of transmission and reception by using a signal having a different modulation format or modulation constant from said signal of said first communication unit. Said first communication unit configured to perform communication without using at least one of said plurality of subcarriers, and said second communication unit configured to perform communication using a band of said subcarrier not used by said first communication unit. | 04-18-2013 |
20130090751 | Media Volume Control System - A system and method for regulating media volume is disclosed. The system comprises a prediction engine and a regulation module. The prediction engine collects sensor data and scene category data. The scene category data includes data describing an environment in which the media volume is regulated. The prediction engine predicts a workload for a user based at least in part on the scene category data and the sensor data and generates a predicted workload value for the predicted workload. The regulation module adjusts the media volume based at least in part on the predicted workload value. | 04-11-2013 |
20130080371 | CONTENT RECOMMENDATION SYSTEM - A system and method for in-vehicle content recommendation is disclosed. The system comprises an aggregator module, a modeler module and a recommendation module. The aggregator module aggregates content data describing content such as a music, a news program, a podcast, an audio book, a movie, a television program, etc. The aggregator module also aggregates situation data describing an environment in which the content was recommended to a user, and feedback data describing the user's response to the recommendation. The modeler module generates a content preference model. The content preference model represents the user's dynamic content preferences based at least in part on the aggregated data. The recommendation module generates a first content recommendation based at least in part on the content preference model. | 03-28-2013 |
20120291537 | TIRE SYSTEM - A system for measuring physical parameters of a tire, according to one embodiment of the present invention comprises a sensor layer and a circuit layer. The sensor layer is communicatively coupled to the circuit layer. The sensor layer is configured as a first thin film and embedded in the tire. The sensor layer provides a signal related to a physical parameter of the tire. The circuit layer is configured as a second thin film and embedded in the tire. The circuit layer processes the signal provided by the sensor layer. | 11-22-2012 |
20110145290 | ROUTE SEARCHING APPARATUS AND ROUTE SEARCHING METHOD - A route searching apparatus includes a travel route accumulation unit, an algorithm selection unit to select route searching algorithms to meet the preference of a user based on the accumulated travel routes, and a route searching unit to perform a route search up to a destination by using the selected algorithms. Preferably, the algorithm searching unit searches for each of the travel routes accumulated in the accumulation unit by means of several algorithms, calculates, for each algorithm, a match rate between the searched route and the actual travel route, and selects an algorithm of the highest match rate. Also, it is preferable that a condition common to roads avoided by the user is extracted from the accumulated travel routes, and a route search is performed by adjusting search costs so as to make such roads less prone to be selected. | 06-16-2011 |
20100323694 | MOBILE RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD - In a mobile radio communication system of the cognitive radio method, a database device has a use state table indicating a probability that each frequency band is used for each period of time and for each location. An on-vehicle terminal acquires a frequency band having the highest probability that the band is empty at the current time and the current location according to the use state table and performs a radio communication by using the frequency band. The use state table is preferably created by a statistical process using the database device which acquires the use states of frequency bands of various locations and times by using respective vehicles as probe cars. Thus, it is possible to detect the frequency of the empty state in a short time. | 12-23-2010 |
20100248644 | WIRELESS DEVICE - A wireless device includes a baseband unit and front-end units that are provided in individual housings. The baseband unit and the front-end units are connected to each other by wire. A transmitter for synchronization that converts a signal based on a reference clock into a radio signal and transmits the radio signal as a clock synchronization signal is provided in any one of the housings, and receivers for synchronization that receive the signal for the clock synchronization and PLLs that generate a clock synchronized with a reference clock signal which is obtained from the received clock synchronization signal are provided in the housings other than the housing having the transmitter provided therein. In order to simultaneously process a plurality of wireless devices having different symbol rates, it is preferable to provide the transmitter, the receiver, and the PLL for each reference clock. | 09-30-2010 |
20100107005 | PROCESSOR OPERATION INSPECTION SYSTEM AND OPERATION INSPECTION CIRCUIT - A processor operation inspection system includes a processor and an operation inspection circuit that inspects an operation of the processor. When a program under execution changes from one predefined state to another state, the processor outputs a state switching signal indicating a transition of its state, a state signal indicating a current state to the inspection circuit. The inspection circuit includes a state register that stores the state of the processor, a combinational logic circuit that calculates, according to the stored state of the processor and the state switching signal, a new state to be taken by the processor, and a comparison circuit that inspects the operation of the processor by comparing the calculated new state to the state of the processor inputted as the state signal. | 04-29-2010 |
20100080168 | PROBABILISTIC ROUTING FOR VEHICULAR AD HOC NETWORK - A probabilistic method of determining a second vehicle in the VANET to which a packet is to be forwarded from a first vehicle is provided. The method includes determining the second vehicle to forward the packet from the first vehicle based on pre-calculated expected latency data corresponding to the second vehicle, and forwarding the packet from the first vehicle to the determined second vehicle. The expected latency data is indicative of the latency expected for communication of the packet from the first vehicle to the destination if the packet is forwarded from the first vehicle to the second vehicle, and is calculated in advance of the step of the determining the second vehicle to forward the packet. The second vehicle to forward the packet may also be determined based on pre-calculated communication probability data corresponding to the second vehicle in addition to the pre-calculated expected latency. | 04-01-2010 |
20100036972 | Reconfigurable computing device and method for inspecting configuration data - A reconfigurable computing device includes a reconfigurable logical device of which a circuit logic can be changed based on configuration data, a storage part to store beforehand input-output attributes of input-output parts of the reconfigurable logical device, and a verification part to verify the configuration data by making a comparison between information on the input-output parts in the configuration data and the input-output attributes stored in the storage part. With this, it is possible to inspect the configuration data of the reconfigurable logical device by a simple method. | 02-11-2010 |