# US 2019/0378407 A1 · Method for informing at least one receiver vehicle about a wrong-way vehicle, and server device and motor vehicles > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0378407 A1 - Document ID: US20190378407A1 - Status: Published application - Kind: A1 - Application number: 16/471,080 - Filed: 2018-01-09 - Published: 2019-12-12 - Earliest claimed: 2017-02-08 - Assignees: Audi AG - Applicants: Audi AG - Inventors: Dr. Pedro Sebastiao CORREIA - Web page: https://patentgrep.com/patent/US20190378407A1 ## CPC - G08G 1/0112: {from the vehicle, e.g. floating car data [FCD]} - G08G 1/0141: {for traffic information dissemination} - G08G 1/0133: {for classifying traffic situation} - G08G 1/056: with provision for distinguishing direction of travel - G08G 1/096725: {where the received information generates an automatic action on the vehicle control} - G08G 1/096741: {where the source of the transmitted information selects which information to transmit to each vehicle} - G08G 1/09675: {where a selection from the received information takes place in the vehicle} - G08G 1/096775: {where the origin of the information is a central station} - G08G: TRAFFIC CONTROL SYSTEMS (guiding railway traffic, ensuring the safety of railway traffic B61L; arrangement of road signs or traffic signals E01F9/00; radar or analogous systems, sonar systems, lidar systems specially adapted for traffic control G01S13/91, G01S15/88, G01S17/88; {radar or analogous systems, sonar systems, lidar systems specially adapted for anti-collision purposes G01S13/93, G01S15/93, G01S17/93}) ## Abstract The present application provides a method for notifying at least one receiver vehicle about a wrong-way driver vehicle, wherein a stationary server device receives from the wrong-way driver vehicle wrong-way driver data describing its current position. The invention provides that the server device provides a digital road map, which is divided into sub-areas of pre-determined size, and selects, in the road map based on the wrong-way driver data, that sub-area in which the wrong-way driver vehicle is located, and updates the map data of the selected sub-area by means of the wrong-way driver data and transmits the updated map data to the at least one receiver vehicle, and the at least one receiver vehicle enters the received map data into an on-board digital road map and checks on the on-board road map whether the wrong-way driver vehicle for the receiver vehicle fulfills a pre-determined relevance criterion, wherein if the relevance criterion is met, a protective measure is performed in the receiver vehicle. ## Claims ### Claim at position 1 -10. (canceled) ### Claim 11 A method for notifying at least one receiver vehicle about a wrong-way driver vehicle comprising: receiving, at a stationary server device, wrong-way driver data; producing, at the stationary server device, a digital road map divided into a plurality of sub-areas; based on the wrong-way driver data, selecting, at the stationary server device, a sub-area of the plurality of sub-areas in which the wrong-way driver vehicle is located; updating, at the stationary server device, map data of the sub-area based on the wrong-way driver data; transmitting, from the stationary server device to the at least one receiver vehicle, the updated map data of the sub-area; entering, at the at least one receiver vehicle, the updated map data of the sub-area into an on-board digital road map; checking, at the at least one receiver vehicle, a predetermined relevance criterion met by the wrong-way driver vehicle based on the on-board digital road map, wherein the wrong-way driver data comprises at least a current position of the wrong-way driver vehicle, wherein the wrong-way driver data is sent from the wrong-way driver vehicle, an other vehicle, or a permanently installed monitoring device, wherein the plurality of sub-areas are of a predetermined size, and wherein the predetermined relevance criterion comprises: a planned or an estimated route of the at least one receiver vehicle intersecting a route of the wrong-way driver vehicle; the current position of the wrong-way driver vehicle being in the direction of travel of the at least one receiver vehicle; the current position of the wrong-way driver vehicle being in front of the at least one receiver vehicle; an indication of the at least one receiver vehicle and the wrong-way driver vehicle being on the same road based route data of the at least one receiver vehicle and route data of the wrong-way driver vehicle; and a same roadside shared by the at least one receiver vehicle and the wrong-way driver vehicle. ### Claim 12 (depends on 11) The method of claim 11, wherein a tile having an edge length in a range of 0.01 degrees to 0.1 degrees is used as the respective sub-area. ### Claim 13 (depends on 11) The method of claim 11, further comprising: receiving, from the at least one receiver vehicle of the plurality of receiver vehicles, registration data of each receiver vehicle of the plurality of receiver vehicles to register in at least one sub-area of the plurality of sub-areas; in response to the received registration data, transmitting, from the stationary server device to the at least one receiver vehicle, the map data, wherein the at least one receiver vehicle is registered for the at least one sub-area of the plurality of sub-areas in which the wrong-way driver vehicle is located or the wrong-way driver vehicle is driving; and transmitting, from the stationary server device to at least one another receiver vehicle of the plurality of receiver vehicles, the map data independently of current positions, or travel routes, or both, of the plurality of receiver vehicles. ### Claim 14 (depends on 11) The method of claim 11, further comprising: in response to received map data, performing at least one protective measure comprising: a notification of the wrong-way driver vehicle to the at least one receiver vehicle; an activation of an autopilot device for performing a semi-automatic or a fully automatic driving operation of the at least one receiver vehicle, wherein the autopilot device is configured to perform an evasive maneuver to avoid the wrong-way driver vehicle. ### Claim 15 (depends on 11) The method of claim 11, further comprising switching at least one variable traffic sign, or an electronic gantry, or both, based on at least one control signal received at the stationary server device. ### Claim 16 (depends on 11) The method of claim 11, further comprising: detecting a wrong-way status of the wrong-way driver vehicle; and sending the wrong-way status to the stationary server device, wherein the wrong-way status is detected using a monitoring device installed in the wrong-way driver vehicle, a sensor device, and a downstream object recognition system, wherein the monitoring device recognizes the wrong-way status based on a current position of the wrong-way driver vehicle, a road class currently being used with direction-of-travel separation, the digital road map, wherein the sensor detects a steering angle signal of the wrong-way driver vehicle, and wherein the downstream object recognition system detects an oncoming traffic, a sign, driving on an off-ramp of a highway or a freeway based on the detected steering angle signal. ### Claim 17 A motor vehicle, comprising: a control device comprising a processor configured to: receive, from a stationary server device, map data of a sub-area in which a wrong-way driver vehicle is located ; enter the map data of the sub-area into an on-board digital road map; check a predetermined relevance criterion met by the wrong-way driver vehicle based on the on-board digital road map; in response to the predetermined relevance criterion being met, perform at least one protective measure, wherein the predetermined relevance criterion comprises: a planned or an estimated route of the at least one receiver vehicle intersecting a route of the wrong-way driver vehicle; the current position of the wrong-way driver vehicle being in the direction of travel of the at least one receiver vehicle; the current position of the wrong-way driver vehicle being in front of the at least one receiver vehicle; an indication of the at least one receiver vehicle and the wrong-way driver vehicle being on the same road based route data of the at least one receiver vehicle and route data of the wrong-way driver vehicle; and a same roadside shared by the at least one receiver vehicle and the wrong-way driver vehicle, thereby enabling the motor vehicle to perform as a receiver vehicle for the stationary server device by receiving notification about the wrong-way driver vehicle over an Internet. ### Claim 18 (depends on 17) The motor vehicle of claim 17, wherein the processor is further configured to transmit, to the stationary server device, registration data to register in at least one sub-area of the plurality of sub-areas. ### Claim 19 (depends on 17) The motor vehicle of claim 17, wherein the at least one protective measure comprises a notification of the wrong-way driver vehicle, an activation of an autopilot device for performing a semi-automatic, or a fully automatic driving operation, and wherein the autopilot device is configured to perform an evasive maneuver to avoid the wrong-way driver vehicle. ### Claim 20 (depends on 17) The motor vehicle of claim 17, wherein the processor is further configured to: detect a wrong-way status of the wrong-way driver vehicle; and send the wrong-way status to the stationary server device.