Patent ID: 6236337
Filing Date: 2001-05-22
Classification: G08G,H04B,H04W

Abstract:
A process for multilaterally transmitting information between a plurality of moving bodies, in particular vehicles (3, 4, 5, 8, 8'), without using a fixed network or infrastructure or dedicated base stations, wherein each of the moving bodies has a communication device (6) for receiving and transmitting radio messages (7), and wherein:a radio message (7) is generated which contains information and limit parameters which signal an end of the information transmission;at least one of the moving bodies receives the radio message (7) and retransmits it to every other moving body that comes within range of the radio message (7) subject to the limit parameters;for the cascade-like dissemination of the information, every other moving body that has received the radio message (7), sends it to every other moving body that comes within range of the radio message (7) subject to the limit parameters;at least one device (6) is provided for receiving, evaluating, and transmitting radio messages (7);the communication device (6) adds specific data to the radio message (7), in particular an identification of the moving body; andthe communication device (6) comprises a device (9) for evaluating radio messages (7) which contains means for optical or acoustic indication (14) of information concerning:traffic density, in particular concerning the onset and breakup of traffic jams,road conditions, in particular slipperiness,empty parking spaces,traffic accidents, in particular for transmission to emergency services and for the avoidance of chain reaction accidents,the street network, in particular with regard to new roads or construction sites.