Patent application number | Description | Published |
20100138147 | POSITIONING DEVICE AND METHOD TO DETERMINE A POSITION USING AN ABSOLUTE POSITIONING SYSTEM AND A RELATIVE POSITIONING SYSTEM, COMPUTER PROGRAM AND A DATA CARRIER - A positioning device is arranged to determine a position using an absolute positioning system and a relative positioning system. The positioning device is arranged, in at least one embodiment, to work in a first mode, in which the position is determined using the absolute positioning system and possibly the relative positioning system, and in a second mode, in which the position is determined using the relative positioning system and possibly the absolute positioning system. In the first mode the absolute positioning system is weighted more heavily than in the second mode and the positioning device is arranged to switch from the first to the second mode. The positioning device has access to a digital map database in at least one embodiment and the switch from the first to the second mode is decided based on at least the determined position in combination with information stored in the digital map database. | 06-03-2010 |
20100176992 | METHOD AND DEVICE FOR DETERMINING A POSITION - A positioning device is disclosed including a receiving device to receive signals from a plurality of transmitters, the transmitters being part of an absolute positioning system. In at least one embodiment, the position device is further arranged to determine transmitter positions of each transmitter and to compute from which transmitters direct receipt of signals is possible based on a previously determined position, the respective transmitter positions and multi path information. The positioning device is further arranged to determine a position. A method, computer program, and data carrier are further disclosed. | 07-15-2010 |
20110307165 | METHOD FOR CREATING SPEED PROFILES FOR DIGITAL MAPS - Probe data collected at times of low traffic density is analyzed to derive a Raw Road Design Speed Limit (RRDSL, | 12-15-2011 |
20110307166 | METHOD FOR COMPUTING AN ENERGY EFFICIENT ROUTE - Probe data is analyzed to derive Longitudinal Speed Profiles (LSPs) and an Optimal Longitudinal Speed Profile ( | 12-15-2011 |
20120283942 | NAVIGATION SYSTEM WITH LIVE SPEED WARNING FOR MERGING TRAFFIC FLOW - A navigation method and navigation system ( | 11-08-2012 |
20120283947 | POSITIONING DEVICE, METHOD AND PROGRAM WITH ABSOLUTE POSITIONING AND RELATIVE POSITIONING MODES - The invention relates to a positioning device (PD) arranged to determine a position using an absolute positioning system and a relative positioning system. The positioning device is arranged to work in a first mode, in which the position is determined using the absolute positioning system and possibly the relative positioning system, and in a second mode, in which the position is determined using the relative positioning system and possibly the absolute positioning system. In the first mode the absolute positioning system being weighted more heavily than in the second mode and the positioning device is arranged to switch from the first to the second mode. The positioning device (PD) has access to a digital map database (DMD, 3DMD) and the switch from the first to the second mode is decided based on at least the determined position in combination with information stored in the digital map database (DMD, 3DMD). | 11-08-2012 |
20130103302 | ELECTRONIC MAP CREATION PROCESS - An electronic map generation process is provided comprising the steps of: 1) Obtaining a local electronic map via a communication system, the local electronic map having been generated by a horizon generator in a vehicle and output to the communication system, the horizon generator having used a source electronic map and vehicle position data from a vehicle positioning system to generate the local electronic map; 2) Processing the local electronic map in an electronic map generation unit; and 3) Outputting an electronic map. | 04-25-2013 |
20130245943 | METHOD FOR COMPUTING AN ENERGY EFFICIENT ROUTE - Probe data is analyzed to derive Longitudinal Speed Profiles (LSPs) and an Optimal Longitudinal Speed Profile ( | 09-19-2013 |
20130275033 | NAVIGATION METHODS AND SYSTEMS - Lane speed profiles are determined for each of a plurality of individual lanes of a multi-lane road section. The plurality of individual lanes are lanes for a given direction of travel. The lane speed profiles are determined using real-time vehicle probe data. The speed profiles are used to determine a timing for provide an instruction to a user of a navigation apparatus to change lane. The timing may be determined to provide a quickest route through at least a part of the road section, to increase the time available for the user to perform the lane change, or to enable a user to pass an incident affecting a lane most quickly. | 10-17-2013 |
20130282264 | SYSTEMS AND METHODS FOR OBTAINING AND USING TRAFFIC FLOW INFORMATION - A method of determining historical lane speed profiles for each of a plurality of individual lanes of a multi-lane road section is described. The plurality of individual lanes are lanes for the same given direction of travel. The method involves collecting vehicle probe data relating to the movement of individual vehicles on the road section for a specific time of day, and using the probe data to derive an aggregate speed profile for travel along each lane at the relevant time. The method may involve using the historical lane speed profiles to provide lane guidance instructions to the user of a navigation apparatus. | 10-24-2013 |