Monitoring system for a railway vehicle using wireless LAN

PURPOSE: A monitoring system is provided to allow for easy installation of the system by using a wireless LAN, and allow for installation of unlimited number of cameras by arranging access points with bridge functions in each of web cameras and central control system. CONSTITUTION: A monitoring system comprises web cameras(20) arranged in a passenger's compartment and front and rear ends of a railway vehicle, wherein the web cameras photograph passengers and front and rear of the railway vehicle, convert analog signals into digital signals, and output video signals through an image signal processing; a central control system(40) for monitoring the video signals received from the web cameras, controlling abnormality of passengers or front and rear of the railway vehicle, storing the received video signal, and controlling data management and efficient operation of storage space; a wireless LAN(50) for performing data communication between web cameras or the web camera and the central control system; and access points(30) arranged in each of the web cameras and the central control system so as to allow for data communication through the wireless LAN, wherein the access points are used in a relay mode for expansion of coverage and bridge mode among the web cameras.