Patent application number | Description | Published |
20080243349 | Method and Apparatus for Speed Control - A device for automatically controlling the speed of a vehicle comprises a positioning sensor, which is designed to emit a position signal with the current position of the vehicle, a navigation database, in which the positions of the city limits are stored, and a speed control unit, to which the position signal is fed. The speed control unit is configured such that it determines, as a function of the position signal, the distance of the vehicle from the nearest city limits or a region with a speed limit in the direction of travel of the vehicle, based on data of the navigation database. It then generates, as a function of the determined distance, a speed setting signal, which reduces the current speed of the vehicle in such a manner that a predefined speed of the vehicle is reached no later than at the nearest city limits or the region with a speed limit. | 10-02-2008 |
20090037105 | Positioning Device and Positioning Method for a Satellite Navigation System - A positioning device for a satellite navigation system includes a receiver that receives atmospheric correction data and an evaluation unit that determines a position location and estimates its quality on the basis of a plurality of positioning signals, with inclusion of the atmospheric correction data. | 02-05-2009 |
20090058721 | Regional Navigation Satellite Supplementary System - A device of a supplementary navigation satellite is provided. The device includes a unit for generating navigation signals, the signal strength of the navigation signals being dimensioned in such a way that it is still possible to receive signals of other satellite navigation systems. | 03-05-2009 |
20090058722 | REGIONAL SATELLITE POSITIONING SUPPLEMENTARY SYSTEM - Systems and methods for a navigation satellite of a satellite positioning supplementary system are provided in which a unit generates a navigation signal with a signal strength being dimensioned in such a way that it is still possible to receive signals of other satellite navigation systems. | 03-05-2009 |
20090066573 | RADIO SIGNAL-BASED POSITIONING DEVICE AND METHOD - A radio signal-based positioning device includes a receiver that receives a plurality of radio-transmitted positioning signals, a frequency determiner that determines a frequency of each of the plurality of positioning signals, a send time determiner that determines a send time of each of the plurality of positioning signals, and an evaluation unit that determines a position location from the determined frequencies and send times of the plurality of positioning signals. | 03-12-2009 |
20090080367 | Method and Device for Efficient Dissemination of Information in a Satellite Navigation System - A system and method for the efficient dissemination of information in a satellite navigation system is provided. The system includes a satellite system comprising a plurality of satellites, a network of observation stations for observing the signals of the satellites, one or more redundant central processing center(s) for evaluating the observations of the observation stations and for generating information, based on the observations, for the dissemination to utilization systems, and a communication network for transmitting the observations from the observation stations to the one or more redundant central processing center(s). The one or more redundant central processing center(s) send(s) the information to the selected satellites, and upon receiving the information, each of the selected satellites sends this information to the neighboring satellites. | 03-26-2009 |
20090119002 | Terminal For Satellite Navigation System - A terminal for satellite navigation services includes a first receiver for receiving navigation messages emitted by satellites; an output interface for the output of navigation information; and an activating unit. | 05-07-2009 |
20090128409 | METHOD AND APPARATUS FOR MONITORING THE INTEGRITY OF SATELLITE NAVIGATION SIGNALS - A method for monitoring the integrity of satellite navigation system includes a first detection of integrity problems, in which the same entity of a navigation signal from a particular satellite is received at different sites, and evaluated to estimate the error of the entity and the error made during the error estimation process. In a second detection, navigation signals received from a specific satellite are measured and evaluated to estimate the error of the entity and the error in the error estimation process. Finally, in a third detection, several navigation signals from different satellites are measured, and evaluated to estimate the error of the entity and the error made in the error estimation process. Integrity problems which are detectable in the first and second detections are taken into account only if it is probable that they occur during the third detection, and have not been discovered during the first and second detection | 05-21-2009 |
20090135055 | METHOD AND APPARATUS FOR IMPROVING INTEGRITY COMMUNICATION IN A SATELLITE NAVIGATION SYSTEM - In a method of improving the integrity communication in a satellite navigation system which comprises a space segment having multiple satellites which emit navigation signals for the reception and evaluation by use systems for position determination, and a ground segment having several observation stations which monitor the satellites, an error budget for different observation stations or groups of observations stations is transmitted with the navigation signal of a satellite. The navigation signal is received and an error budget contained therein is evaluated by computing a scalar value from the error budget. The scalar value indicates the precision of the error estimate for the generation of the navigation signal. | 05-28-2009 |
20090204324 | Device and Method for Orbit Determination and Prediction of Satellites Providing Signals to Users - A device and method for orbit prediction of satellites are provided. An accelerometer measures non-gravity forces acting on a satellite. A processor receives measured non-gravity forces from the accelerometer, estimates the contributions of the measured non-gravity forces to the movement of the satellite, and predicts the orbit of the satellite based on the estimated contributions of the non-gravity forces to the movement of the satellite. | 08-13-2009 |
20090289842 | Process for Improving the Continuity in the Case of a Two-Frequency Navigation Satellite System - A process for improving continuity in a two-frequency navigation satellite system includes steps of i) observing the ionosphere by measurements in the two or more frequency bands; and ii) transmitting an alert message which informs user systems of a change of the ionosphere when at least one measurement indicates a change of the ionosphere that deviates from one or more predefined conditions. | 11-26-2009 |
20090322515 | DISSEMINATION OF CRITICAL ATMOSPHERIC CONDITIONS WITHIN GLOBAL AND REGIONAL NAVIGATION SATELLITE SYSTEMS - The invention relates to an apparatus for a regional or global navigation satellite system that includes an arrangement for receiving additional data or navigation messages from the navigation satellite system, and an arrangement for informing or alarming the user that critical atmospheric conditions occur, whereby the additional data or the navigation messages include atmospheric information. | 12-31-2009 |
20090322602 | INTEGRATED POSITIONING SOLUTION FOR GLOBAL NAVIGATION SATELLITE SYSTEMS - The invention includes a process for one's own global navigation satellite system and at least one other global navigation satellite system including the following: Receiving ranging signals and navigation messages or ranging signals only from the at least one other global navigation satellite system, and processing the received ranging signals and navigation messages in a similar way as the ranging signals and navigation messages of the owned global navigation satellite system. | 12-31-2009 |
20100013611 | Method and Apparatus for Informing a User of the Position of an Information Source Relative to the User Position - In a process for informing a user regarding the position of an information source relative to the user's position, the position of an information source is first determined relative to the user. Thereafter, a tactile or electrical stimulus is generated, for directly affecting the user in a location that corresponds to the determined position of the information source. In one embodiment of the invention, tactile or electrical actuators are disposed at locations within a garment, such as a pilot's uniform at locations which correspond to possible locations of the information source. | 01-21-2010 |
20100017051 | Method of Automatically Determining a Landing Runway - A method of automatically determining a landing runway for an aircraft includes the steps of i) determining control points assigned to a landing runway along a landing approach of an airplane; ii) determining the spatial deviation of the airplane from the determined control points; and iii) determining an appropriate landing runway while taking into account the determined spatial deviation. | 01-21-2010 |
20100023256 | Process for Automatically Determining a Bypass Route - A navigation system automatically determines one or more bypass routes for a vehicle, based on a continuously determined vehicle position, according to a process having the following steps: receiving data concerning a hindrance in a region in the proximity of a current position; automatically determining one or more destinations which can be reached via the region affected by the hindrance; automatically determining additional regions via which the determined destinations can be reached; calculating an evaluation factor for each of the determined additional regions; and automatically determining one or more routes for bypassing the region affected by the hindrance, based on the evaluation factor. | 01-28-2010 |
20100033369 | Method and Apparatus for Determining an Integrity Risk in a Satellite Reference System - Methods and apparatus of determining an integrity risk of a satellite reference system are provided. Galileo parameters according to the Galileo integrity concept are detected. The Galileo parameters are imaged onto satellite based augmentation system (SBAS) parameters used in the SBAS. The integrity risk of the satellite reference system is determined according to the SBAS integrity concept using the SBAS parameters. | 02-11-2010 |
20100141512 | Method and Apparatus for Integrity Communication in a Navigation Satellite System - For integrity communication, a navigation satellite system has a space segment with satellites that emit navigation signals for reception and analysis by user systems, and a ground segment with observation stations that monitor the satellites. The ground segment controls cause distribution of integrity information concerning the satellites to user systems with the navigation signals. The integrity information has a first SISMA value and a second broadcast SISMA value for the accuracy of the satellite monitored by the ground segment. The second broadcast SISMA value takes into account a failure of an observation station of the ground segment, and a threshold value for the second broadcast SISMA value is provided. The threshold value with the integrity information for a satellite is transmitted instead of the second broadcast SISMA value when the latter exceeds the threshold value and the first SISMA value is lower than the threshold value for the satellite. The integrity information to be transmitted when the second broadcast SISMA value and the first SISMA value for the satellite each exceed the threshold value. | 06-10-2010 |
20100194598 | Arrangement for Transmitting Information Concerning an Operating Condition of a Vehicle - An arrangement for transmitting information concerning an operating condition of a vehicle, such as an aircraft or spacecraft, exerts tactile stimuli as information via a stimulus generator on at least one operator of the vehicle. The stimulus is exerted on a sense organ or body part of the operator that is not used for active transmission of information during trouble-free and proper operation of the vehicle. | 08-05-2010 |
20100262369 | METHOD FOR THE TRANSMISSION OF ADDITIONAL DATA ALONG WITH NAVIGATION MESSAGES IN A SATELLITE NAVIGATION SYSTEM - A method for transmitting additional information in a satellite navigation system includes providing a navigation message having a plurality of parameters, selecting at least one parameter from the plurality of parameters for the transmitting of the additional information, replacing the at least one parameter, at least partially, by the additional information so as to form a changed navigation message, and sending the changed navigation message | 10-14-2010 |
20100265136 | METHOD FOR THE TRANSMISSION OF ADDITIONAL DATA ALONG WITH NAVIGATION MESSAGES IN A SATELLITE NAVIGATION SYSTEM - A method for transmitting additional information in a satellite navigation system includes providing a navigation message including a continuous data stream having a prescribed bit rate and structuring the navigation message in a plurality of pages generated according to a prescribed page definition so as to transmit information, wherein each of the plurality of pages includes a checksum calculated as a function of information contained in the page. The method further includes generating at least one new page containing the additional information so as to form a changed, navigation message according to a further page definition that differs from the prescribed page definition such that the checksum calculated as a function of information contained on the page generated according to the prescribed page definition is false; and transmitting the at least one new page. | 10-21-2010 |
20100289696 | Method and device for estimation of the integrity risk in a satellite navigation system - A method for estimating an integrity risk in a satellite navigation system includes receiving a plurality of navigation signals at a user system from at least one satellite, the plurality of navigation signals including data relative to the integrity of the satellite navigation system; and estimating the integrity risk using the data in the at least one user system. The estimating further includes forming a plurality of intervals of an integration variable of an integral function, estimating a maximum of the integrity risk for each interval, comparing the maximum of each interval to find an overall maximum of all the intervals; and using the overall maximum as an estimate of the integrity risk. | 11-18-2010 |
20110169693 | INTEGRITY COMMUNICATION IN A SATELLITE NAVIGATION SYSTEM - Embodiments of the invention are directed to a method for integrity communication in a satellite navigation system having a space segment with several satellites transmitting navigation signals for reception and evaluation by use systems for position determination, and a ground segment with several observation stations that, in their totality, monitor the satellites and their signals, and including at least one transmitting station. The method includes detecting errors that one of have or could have occurred in a determination of a pseudo-range between the satellites and the observation stations and could influence the integrity of the satellite navigation system, forming, from the detected errors, three error budgets for respectively different categories of errors that one of have or could have occurred in the determination of the pseudo-range between the satellites and the observation stations, transmitting the three error budgets one of per ground station or for a group of ground stations with a navigation signal of at least one satellite to the use systems, and receiving the navigation signal and estimating the integrity of the satellite navigation system by evaluating the error budget contained in the received navigation signal | 07-14-2011 |
20110316737 | RAIM Algorithm - Methods and apparatus for implementing a receiver autonomous integrity monitoring (RAIM) algorithm are provided. The RAIM algorithm is for determining an integrity risk in a global navigation satellite system (GNSS) by processing several ranging signals received from satellites of the GNSS. The algorithm involves determining several integrity risks at an alert limit for different fault conditions of the ranging signals, and determining an overall integrity risk at the alert limit from the determined several integrity risks. | 12-29-2011 |
20120019411 | Integrity Method for Differential Corrections - A system and method of calculating corrections to a navigation solution based on accurate data are provided. GNSS ephemeris, clock models and other navigation information are received from at least three GNSS satellites and pseudo-ranging to the GNSS satellites is performed. A PVT solution is resolved from the GNSS ephemeris, clock models, and other navigation information and the pseudo range measurements. The PVT solution includes a statistical measure. Differential GNSS data for calculating the corrections to the PVT solution is received and a corrected PVT solution is calculated based upon the differential GNSS data. The corrected PVT solution is compared to a region defined by the statistical measure and the corrected PVT solution is rejected when the corrected PVT solution is not within the region. | 01-26-2012 |