System and method for remote maintenance

A remote maintenance system using a mobile communication network, the remote maintenance system comprising:

• a customer-premises equipment (CPE);
• a smart device connected to the CPE through short-range wireless communication;
• and
• a maintenance service server configured to communicate with the smart device, wherein:
• the CPE comprises:
• a network service provision unit connected to a service of an Internet service provider and configured to provide a home Internet service;
• a terminal connection unit configured to connect to the smart device through short-range wireless communication;
• a device diagnosis unit configured to apply a diagnosis signal or check an internal resource state depending on diagnosis instruction information according to a diagnosis scenario received from the smart device;
• and
• a console emulation unit configured to remotely provide a console connection to a console connection program at a remote site through the smart device;
• the smart device comprises:
• a memory configured to store an application, the application comprising:
• a device connection unit configured to connect to the CPE through short-range wireless communication;
• a diagnosis information storage unit configured to store a diagnosis scenario composed of sequential pieces of diagnosis instruction information including an instruction to apply a diagnosis signal for a series of diagnosis items depending on the type of the CPE or an instruction to collect state information regarding resources of the CPE
• a diagnosis instruction unit configured to transmit the sequential pieces of diagnosis instruction information to the device diagnosis unit of the CPE according to a diagnosis scenario corresponding to the CPE;
• a state analysis unit configured to analyze a failure cause by using the state information collected from the CPE;
• a failure processing unit configured to order a failure action corresponding to the failure cause;
• a server connection unit configured to connect to the maintenance service server over a mobile communication network;
• and
• a history transmission unit configured to transmit a failure history and a failure processing history to the maintenance service server;
• and
• a processor configured to execute the application;
• and
• the maintenance service server comprises:
• a terminal connection unit configured to connect to the smart device;
• a customer management unit configured to manage customer information including a subscribed Internet service provider and provided information regarding the CPE;
• a history management unit configured to store and manage a failure history and a failure processing history received from the smart device on a customer-basis;
• and
• a billing unit configured to calculate a cost according to the failure processing history;
• and
• when the CPE has a failure, the smart device analyzes state information collected according to a diagnosis scenario, processes the failure, and transmits a failure processing history to the maintenance service server.