SUPL Terminal Notification Mode Parameter Handling
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Solution Overview
Problem
In a Secure User Plane Location (SUPL) network, there is no clear mechanism for a terminal to determine whether a notification request from a location server is based on the terminal's location, leading to unstable notification responses.
Innovation Solution
A method and system where a terminal receives a session initial message with a notification mode parameter from a location server, allowing it to check if the notification is location-based, and accordingly, either maintain or end the session based on this parameter.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a notification element is transmitted to the terminal without indicating whether the notification is location-based, then the notification process is simple, but the terminal cannot determine the appropriate response timing, leading to unstable notification responses
Solution Approach 1:
A notification mode parameter is introduced as an intermediary element in the notification message to convey the type of notification (location-based or non-location-based) to the terminal. This parameter acts as a mediator that enables the terminal to distinguish between different notification types and respond appropriately, thereby stabilizing the notification response mechanism without complicating the overall notification process
Solution Approach 2:
The notification mode parameter provides feedback information to the terminal about the nature of the incoming notification. This feedback mechanism allows the terminal to adjust its response behavior based on the notification type, ensuring reliable and timely responses while maintaining a simple notification transmission process
2Reliability
If the terminal always maintains the session to respond to notifications, then notification responses can be ensured, but unnecessary session maintenance increases system resource consumption
Solution Approach 1:
Instead of always maintaining the session excessively, the terminal performs partial session maintenance only when necessary. By checking the notification mode parameter, the terminal maintains the session only for location-based notifications where response timing is critical, while allowing session termination for non-location-based notifications, thereby reducing unnecessary resource consumption while ensuring reliable responses when needed
Solution Approach 2:
Different session maintenance strategies are applied locally based on the notification type. For location-based notifications, the terminal maintains the session to ensure timely responses. For non-location-based notifications, the terminal can terminate the session. This localized approach optimizes resource usage by applying session maintenance only where it is truly necessary
Data Source
AI summary
According to an embodiment, a location based notification method in a H-SLP (Home-SUPL Location Platform) includes receiving, by the H-SLC, a request for positioning of the terminal; transmitting, a session initialization message including a notification mode parameter to the terminal if one or more of location-based notification and verification are required as a result of checking the privacy of the terminal; and receiving a report message including the positioned location of the terminal from the terminal, wherein the positioned location of the terminal is acquired by a positioning process between the H-SPC and the terminal.