Roaming Watermark System for Brand Awareness and Privacy
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Solution Overview
Problem
Existing Wi-Fi roaming technologies fail to effectively provide brand awareness to subscribers while they access services from facilities of a different service provider without exposing their personal information or compromising security.
Innovation Solution
A watermarking system that uses a home brand content device to generate and transmit branding information, such as logos and targeted advertisements, to a visited network provider via AAA protocols, ensuring confidentiality by maintaining personal information within the home service provider's secure environment and preventing exposure to the visited provider.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the home ISP displays brand watermarks to subscribers during roaming, then brand awareness is improved, but subscriber personal information may be exposed to the visited ISP
Solution Approach 1:
The patent introduces an intermediary mechanism where the home ISP's authentication server generates and manages watermark content remotely. The visited ISP's access point displays watermarks without direct access to subscriber personal information, as the watermark content is delivered through secure AAA protocol exchanges between authentication servers rather than being visible to the visited ISP's infrastructure.
Solution Approach 2:
The system segments the watermark delivery process into distinct components: the home ISP's authentication server generates personalized watermark content, transmits it securely through AAA protocol messages, and the visited ISP's access point merely displays the received content without accessing the underlying personal information used to generate it.
2Adaptability or versatility
If the watermark is personalized to subscriber identity, then targeted advertising capability is improved, but the risk of personal information exposure to visited ISP increases
Solution Approach 1:
The authentication server acts as an intermediary that receives subscriber identification information, generates personalized watermark content including targeted advertising, and transmits only the final watermark data to the visited ISP's access point. This intermediary process enables personalized watermarks while preventing the visited ISP from accessing the raw personal information used in generation.
Solution Approach 2:
The system creates a copy of the watermark content that contains personalized advertising information without exposing the original personal information database. The authentication server generates watermark copies that embed advertising content based on subscriber profiles, but these copies are delivered through secure channels that prevent the visited ISP from accessing the source personal information.
3Adaptability or versatility
If the visited ISP has access to subscriber information for watermark display, then customization is improved, but security and confidentiality are worsened
Solution Approach 1:
The authentication server serves as a secure intermediary that performs all watermark customization operations remotely. It receives subscriber information, generates customized watermark content, and transmits the final watermark data through AAA protocol messages to the visited ISP's access point, eliminating the need for the visited ISP to directly access or store subscriber personal information.
Data Source
AI summary
A watermarking process is contemplated to facilitate branding and other message communication operations, such as to facilitate notifying a user associated with a home service provider of a watermark or communicating advertisements and/or personal messages to the user while accessing services through a visited service provider. The contemplated watermarking process may be particularly beneficial with devices having capabilities to roam between multiple service providers.