Mobile IP Notification via Parameter Extensions
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Solution Overview
Problem
Mobile terminals accessing the Internet through mobile IP or simple IP networks lack mechanisms to notify users when service requests are denied or when they are redirected to different web addresses or service levels without an open browser window.
Innovation Solution
Modifying the mobile IP registration process to include parameter extensions that allow mobile terminals and home agents to provide notifications based on specified events, enabling users to receive alerts such as tones, beeps, or text messages, even when a browser is not open, by indicating changes in service quality or redirections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If mobile terminals use mobile IP or simple IP networks to access the Internet, then mobility and network accessibility are improved, but the ability to notify users of service denials or redirections without a browser window is lost
Solution Approach 1:
The notification system is segmented into independent notification capabilities that can operate separately from browser windows. The terminal device can send and receive notifications through dedicated notification channels (such as system notifications or alert mechanisms) that are distinct from web browser display, allowing notification functionality to be separated from browser dependency.
Solution Approach 2:
The patent introduces an intermediary notification mechanism that acts as a mediator between the mobile IP network and the user. This notification system receives service denial or redirection information from the network and delivers it to the user through alternative channels (system alerts, pop-up notifications, or other non-browser interfaces), bridging the gap between network information and user awareness without requiring a browser window.
2Loss of information
If browser windows are required to display notifications, then detailed information can be presented, but user experience deteriorates when browsers are not open or available
Solution Approach 1:
The system performs preliminary notification actions by delivering alerts to users before they would need to open a browser window. Notifications are sent in advance through system-wide channels, ensuring users are informed of service denials or redirections immediately, allowing them to take appropriate action without needing to have a browser open or navigate to specific pages.
Solution Approach 2:
The patent substitutes the mechanical requirement of having a browser window open with an alternative notification delivery mechanism. Instead of relying on browser-based display (mechanical system), the invention uses system-level notification channels (such as operating system alerts, push notifications, or audio/visual alerts) that do not require browser involvement, thereby replacing the browser dependency with a more convenient universal notification system.
3Loss of information
If the mobile IP registration process is modified to include notification parameters, then notification capability is enabled, but protocol complexity increases
Solution Approach 1:
The notification parameter extension in the mobile IP registration process uses universal, standardized parameter fields that can serve multiple functions. The same parameter structure is used for different types of notifications (service denials, redirections, quality of service changes), allowing a single unified mechanism to handle various notification scenarios without requiring separate complex protocols for each case, thereby reducing overall protocol complexity while maintaining versatility.
Data Source
AI summary
A home agent and a mobile terminal communicate to facilitate the home agent becoming aware of whether the mobile terminal is notification capable meaning the mobile terminal is able to receive notifications of specified events without an open browser window. If the mobile terminal is notification capable, the home agent provides notifications based upon specified events and conditions. The mobile terminal then provides an indication of the notification to the user even though a browser window is not open for displaying user messages. More specifically, the mobile IP registration process according to a mobile IP protocol is modified to add parameter extensions that allow the mobile terminal to provide this indication that it is notification capable. The home agent is notification capable as well and provides specified notifications to the mobile terminal upon the occurrence of a specified event either in a registration reply or during a data session or call.