Abstract: A method of exchanging information between stations in a cooperative intelligent transport system uses a wireless communication channel. The method includes: detecting multiple objects present within a field of view of at least one sensor provided at a respective station or included in a shared message received from another station as being present in the vicinity of the station; obtaining object data of each detected object from said at least one sensor and/or said shared message; filling a collective perception message with object data of the objects; calculating a collective perception message significance index for each collective perception message filled with object data; determining available channel resources of said wireless communication channel; and transmitting collective perception messages in accordance with the available channel resources starting with a collective perception message with the highest collective perception message significance index.

Abstract: A method, a cooperative intelligent transport system and a computer-implemented system for generating a V2X message based on the significance of information on a communication channel in a cooperative intelligent transport system using a wireless communication channel for transmitting, receiving, processing and/or discarding a plurality of collective perception messages containing information about on-board sensors and/or objects detected by said on-board sensors within a traffic environment comprise determining a significance index of an object and/or a significance index of an entire collective perception message based on the individual objects within a CPM, calculating an information significance level on the channel based on the CSI values for all received CPMs, determining at least one message generation rule based on the information significance level, and generating the V2X message based on said at least one message generation rule.

Abstract: A method for exchanging of information in an intelligent transport system between a plurality of intelligent transport system stations (ITS-Ss) in said intelligent transport system (ITS) uses a wireless communication channel. The exchanging of information comprises composing, transmitting, receiving and/or decoding at least part of ITS messages at and/or between said plurality of ITS-Ss, wherein each of ITS-Ss comprises at least one sensor arranged to perceive, for example in the form of objects and/or free-space, in at least one geographical area within said traffic environment, is arranged to act both as a sender ITS-S and a receiver ITS-S, and is arranged to use, as said ITS messages, collective perception messages (CPMs) containing at least information about the perception within a traffic environment.