COMMUNICATION SYSTEM AND MASTER STATION, SLAVE STATION, AND RELAY STATION USED THEREIN

摘要

PROBLEM TO BE SOLVED: To enable an operator who does maintenance of a traffic wireless LAN to easily search for a main station.

SOLUTION: According to the present invention, there is provided a communication system formed of a wireless LAN for transmitting traffic information used for control of traffic signals wirelessly. Each of a plurality of communication nodes forming a wireless LAN comprises an output section (display section 13) which outputs information by which the number of relays from a station to a main station as an access point to the wireless LAN can be specified in a human-readable format.

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