A method for implementing communications in a railroad communications system having a base station radio and remote radios, the remote radios including a mobile radio and a wayside radio. The method includes assigning a common radio communications channel for allowing a remote radio to connect with the base station radio using a carrier sense multiple access (CSMA) communications protocol and assigning a local channel for allowing communications between the radio base station and the remote radios and between the remote radios, wherein communications on the local channel utilizes a selected one of fixed time division multiple access (FTDMA) and dynamic time division multiple access (DTDMA) communications protocols.

    Un procédé de mise en uvre de communications dans un système de communications ferroviaire qui possède une station de base radio et des radios distantes, les radios distantes comprenant une radio mobile et une radio de voie. Le procédé comprend lattribution dun canal commun de communication radio permettant à une radio distante de se connecter à la station de base radio en utilisant un protocole de communication AMDP (accès multiple avec détection de porteuse) et lattribution dun canal local permettant les communications entre la station de base radio et les radios distantes ainsi quentre les radios distantes elles-mêmes. Les communications sur le canal local utilisent un protocole de communication choisi entre AMRFT (accès multiple par répartition fixe dans le temps) et AMRDT (accès multiple par répartition dynamique dans le temps).


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    Title :

    SYSTEMS AND METHODS FOR INTEROPERABILITY POSITIVE TRAIN CONTROL


    Additional title:

    SYSTEMES ET PROCEDES D'INTEROPERABILITE DE COMMANDE POSITIVE DE TRAINS


    Contributors:

    Publication date :

    2019-01-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / H04J Multiplex-Verkehr , MULTIPLEX COMMUNICATION / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr



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