Wireless LAN Parameter Sharing With Adaptive Authentication

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Solution Overview

Problem

Existing communication technologies lack the ability to dynamically select an appropriate parameter sharing method based on the environment, leading to potential security and convenience issues in wireless LAN connections.

Innovation Solution

A communication apparatus equipped with a selection unit to choose a parameter sharing method based on user operation, enabling secure and convenient wireless communication without an external access point, and a control unit to manage authentication processes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fixed parameter sharing method is used, then the connection process is simple, but the system cannot adapt to different environmental requirements for security and convenience

Engineering Contradiction:
Improveadaptability to environmental requirementsVSAvoidcomplexity of parameter sharing method
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements dynamic selection of parameter sharing methods based on environmental detection. The system automatically switches between different sharing methods (e.g., WPS push button, QR code, NFC) depending on the detected environment, enabling adaptability without requiring manual configuration complexity

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system performs self-detection of environmental conditions and autonomously selects the appropriate parameter sharing method. The detection unit identifies the environment (e.g., public place, home, office) and the selection unit automatically chooses the corresponding sharing method without user intervention, reducing operational complexity while maintaining adaptability

Inventive Principle:
Principle #25Self-service

2Reliability

If mutual authentication is performed after parameter sharing, then security is enhanced, but the connection process becomes more complex

Engineering Contradiction:
Improvesecurity of wireless connectionVSAvoidcomplexity of connection process
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent performs mutual authentication after parameter sharing is completed. The authentication unit automatically initiates authentication procedures using the shared parameters, ensuring security is established as a preliminary step before full communication begins, thereby enhancing reliability without requiring complex manual authentication procedures

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system implements feedback mechanisms where the authentication unit monitors and verifies the authentication status between communication devices. This feedback loop ensures that security protocols are properly executed and can adapt to different authentication scenarios, enhancing security while managing process complexity through automated verification

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS20260067686A1Communication apparatus, control method thereof, and storage medium storing program
Publication Date: 2026.03.05 CANON KK
  • US20260067686A1 patent drawing
  • US20260067686A1 patent drawing
  • US20260067686A1 patent drawing

AI summary

A communication apparatus includes: a selection unit that selects, from a plurality of methods, a method for the communication apparatus and the external apparatus to share a parameter used by the communication apparatus and the external apparatus to connect through the wireless communication, in accordance with a user operation; and a control unit that controls processing for sharing the parameter between the communication apparatus and the external apparatus to be executed using the method selected by the selection unit. The control unit controls mutual authentication to be performed between the communication apparatus and the external apparatus after the processing for sharing the parameter using the method selected by the selection unit is performed.