Communication Apparatus Resolving Network Identifier Overlap

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Solution Overview

Problem

Users with little knowledge find it difficult to set up wireless communication systems without access points, as overlapping SSID and IP addresses can lead to communication failures, and existing solutions do not effectively address this issue across various communication standards.

Innovation Solution

The communication apparatus automatically generates and manages SSID and IP addresses, and changes frequency channels to prevent overlap, using a CPU-controlled system with specific units for detection and avoidance of setting conflicts, allowing for seamless wireless communication setup.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If users manually set SSID and IP addresses for wireless communication, then communication can be established, but users with little knowledge cannot perform the setting correctly and overlap occurs

Engineering Contradiction:
Improveease of wireless network setupVSAvoidcommunication reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The communication apparatus automatically generates its own SSID by incorporating its IP address and terminal identifier, and autonomously detects and resolves overlaps with other apparatuses. This self-service mechanism eliminates the need for manual user configuration while ensuring reliable communication through automatic conflict resolution.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system dynamically changes the SSID parameter by incorporating the IP address and terminal identifier into the SSID generation process. When overlap is detected, the system automatically modifies the SSID by changing the IP address or terminal identifier, thereby resolving the conflict without user intervention.

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If automatic SSID generation using IP address and terminal identifier is implemented, then ease of setup is improved, but communication failure occurs when overlap with other apparatuses happens

Engineering Contradiction:
Improveautomatic network configurationVSAvoidcommunication success rate
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The communication apparatus continuously monitors the wireless environment by detecting beacon signals from other apparatuses. When overlap is detected through this feedback mechanism, the system automatically changes its IP address or terminal identifier to eliminate the conflict, ensuring continuous reliable communication.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

Before establishing communication, the apparatus performs preliminary detection of the wireless environment to identify potential overlaps. By detecting and resolving conflicts before communication begins, the system prevents communication failures rather than reacting to them afterward.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If multiple communication apparatuses use the same frequency channel, then wireless communication can occur, but overlap of frequency channel causes communication failure

Engineering Contradiction:
Improvefrequency channel usageVSAvoidcommunication stability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system dynamically changes the frequency channel parameter when overlap is detected. By automatically selecting a different frequency channel that does not conflict with other apparatuses, the system maintains communication stability while adapting to the wireless environment.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP2775780B1Communication Apparatus changing a network identifier in case of overlap, and corresponding Computer Program Product
Publication Date: 2017.10.11 RICOH CO LTD
  • EP2775780B1 patent drawingFigure 1~2
  • EP2775780B1 patent drawingFigure 3
  • EP2775780B1 patent drawingFigure 4A~4D

AI summary

A communication apparatus (100) is capable of making wireless communication without using an access point, by using a network identifier having communication identification information identifying a class of communication setting containing an IP address and frequency information. The communication apparatus (100) includes: a detecting unit (117) that detects another communication apparatus causing failure of the wireless communication due to overlap of the network identifier; and a changing unit (118) that changes the network identifier when the detecting unit (117) detects another communication apparatus causing failure of the wireless communication. The changing unit (118) changes the network identifier so as to change the IP address of the communication apparatus (100) or a frequency that the communication apparatus (100) uses.