Wireless Device Pairing via Ambient Information Comparison

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Solution Overview

Problem

Conventional methods for sharing data between wireless devices are inadequate for temporary, ad-hoc connections in situations where devices are used by individuals in the same location but without prior knowledge of each other's contact information, such as at events or gatherings, as they are designed for long-term sharing and do not easily scale for multiple devices.

Innovation Solution

Establishing a trusted relationship between wireless devices by capturing and comparing ambient information, such as visual or audio data, using a comparison system to authenticate and enable secure data sharing within a personal area network.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional data sharing methods are used, then long-term sharing between known devices is enabled, but ad-hoc sharing between devices without prior contact information is not supported

Engineering Contradiction:
Improveadaptability to ad-hoc sharing scenariosVSAvoidease of establishing connections
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent introduces an intermediary authentication mechanism that uses shared environmental context (ambient information) as a mediator to establish trust between devices. Instead of requiring direct prior knowledge between devices, the system uses a common environmental reference point that both devices can capture and verify, enabling ad-hoc connections without traditional contact information exchange

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If traditional pairing methods requiring contact information are used, then secure long-term sharing is achieved, but temporary connections at events or gatherings cannot be established

Engineering Contradiction:
Improveversatility across different sharing scenariosVSAvoidtime to establish connection
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The system performs preliminary authentication by capturing and comparing ambient information that already exists in the shared environment. This preliminary action of verifying environmental context allows devices to quickly establish trust without time-consuming exchange of contact information or manual pairing procedures

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The authentication process is self-service in that devices automatically capture ambient information from their environment and perform verification without requiring user intervention for contact information exchange. The system uses readily available environmental data to autonomously establish authentication

Inventive Principle:
Principle #25Self-service

3Adaptability or versatility

If ambient information capture and comparison is implemented, then ad-hoc trusted relationships can be established, but device complexity increases

Engineering Contradiction:
Improvecapability for ad-hoc authenticationVSAvoidcomplexity of authentication system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent leverages universal multi-functionality by using existing device components (cameras, microphones, sensors) for authentication purposes. Instead of adding dedicated authentication hardware, the system repurposes existing sensors to capture ambient information, making the authentication capability universal across different device types without increasing hardware complexity

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

Data Source

PatentUS8843649B2Establishment of a pairing relationship between two or more communication devices
Publication Date: 2014.09.23 MICROSOFT TECHNOLOGY LICENSING LLC
  • US8843649B2 patent drawing
  • US8843649B2 patent drawing
  • US8843649B2 patent drawing

AI summary

A communication device establishes a trusted relationship with one or more remote communication devices by capturing ambient information with both communication devices, which is sent to a comparison system that compares them. The ambient information is used as authorization information. Upon a satisfactory comparison of the ambient information captured by the communication devices, the communication device is notified and a trusted relationship may be established between it and the remote communication device. Once the trusted relationship has been established, a personal area network can be established between the communication devices.