Remote Maintenance System for Customer Premises Equipment

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Solution Overview

Problem

Conventional maintenance methods require onsite visits by specialists to diagnose and resolve customer-premises equipment (CPE) failures, which is inefficient and costly, especially when failures can be resolved by simple actions.

Innovation Solution

A remote maintenance system utilizing a mobile communication network, where a smart device connected to CPE via short-range wireless communication can diagnose and resolve issues without an onsite visit, using a maintenance service server to analyze data, provide action instructions, and manage failure histories for cost settlement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If an operator performs simple actions (resetting) via phone to recover CPE devices, then the ease of operation is improved, but the productivity is worsened because the device is not recovered and requires onsite maintenance

Engineering Contradiction:
Improveease of operationVSAvoidproductivity
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The CPE device performs self-diagnosis by automatically collecting device information, connection information, and log information when a failure occurs, and transmits this information to the server without requiring operator intervention for data gathering

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

A maintenance service server acts as an intermediary between the customer's terminal device and the CPE device, receiving failure information from the CPE, analyzing it, and providing appropriate maintenance responses without requiring onsite specialist visits

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If a maintenance specialist moves to the customer's location to check and repair the CPE device, then the reliability of repair is improved, but the loss of time is worsened due to travel and onsite visit requirements

Engineering Contradiction:
ImprovereliabilityVSAvoidloss of time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent replaces the mechanical system of physical travel and onsite visits with an electronic information transmission system. The CPE device transmits failure information electronically to the server, which analyzes and responds remotely, eliminating the need for maintenance specialists to physically travel to customer locations

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system creates a digital copy of the CPE device's failure state by collecting and transmitting device information, connection information, and log information to the server. This digital representation allows remote analysis and diagnosis without requiring physical presence at the device location

Inventive Principle:
Principle #26Copying

3Measurement precision

If conventional maintenance methods are used with onsite visits, then the measurement precision of failure diagnosis is improved, but the device complexity is worsened due to the need for multiple systems (CPE, smart device, maintenance server)

Engineering Contradiction:
Improvemeasurement precisionVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The maintenance service server performs multiple functions including receiving failure information from CPE devices, analyzing device information and logs, determining failure causes, and providing maintenance responses. This multi-functional approach consolidates what would otherwise require separate specialized systems into a single universal platform

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS10616039B2System and method for remote maintenance
Publication Date: 2020.04.07 DZS LLC
  • US10616039B2 patent drawing
  • US10616039B2 patent drawing
  • US10616039B2 patent drawing

AI summary

Disclosed is a technology for a maintenance system. The maintenance system includes a customer-premises equipment (CPE), a smart device configured to connect to the CPE through short-range wireless communication, and a maintenance service server configured to communicate with the smart device. The maintenance system provides a remote maintenance service capable of resolving a failure by ordering an appropriate action through execution of a maintenance service app installed on the smart device according to a failure cause and analysis of collected state information according to a diagnosis instruction corresponding to a diagnosis scenario; resolving a failure by receiving action information from the maintenance service server, which stores action information for pre-resolved failure items; resolving a failure by receiving a help from a maintenance specialist; or remotely resolving a failure without an onsite visit of a maintenance specialist by providing a means for debugging the CPE through a remote console connection.