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1. (WO2018100661) COMMUNICATION SYSTEM, VEHICLE-MOUNTED DEVICE, AND COMMUNICATION METHOD

Pub. No.:    WO/2018/100661    International Application No.:    PCT/JP2016/085510
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Dec 01 00:59:59 CET 2016
IPC: G08G 1/09
G08G 1/01
Applicants: MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD.
三菱重工機械システム株式会社
Inventors: HARA Kenta
原 健太
HASEGAWA Rie
長谷川 利恵
Title: COMMUNICATION SYSTEM, VEHICLE-MOUNTED DEVICE, AND COMMUNICATION METHOD
Abstract:
A communication system (1), provided with: vehicle-mounted devices (10) mounted on vehicles; a server (30); and a broker (20) for mediating communication between a plurality of vehicle-mounted devices (10) and between the vehicle-mounted devices (10) and the server (30). The vehicle-mounted devices (10) have a travel subject area specifying unit, a travel information generation unit for generating travel information, a message transmission unit for transmitting a message including the travel information, a message subscription unit for requesting a subscription for messages, and a guidance information generation unit for generating guidance information. The server (30) has a travel information acquisition unit for requesting a subscription for messages including the travel information, a traffic information generation unit for generating traffic information, and a traffic information transmission unit for transmitting a message including the traffic information. The broker (20) has a message distribution unit for distributing messages to the vehicle-mounted devices and the server.