SEAL Notification Channel Management for Multi-Vertical 5G Alerts
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Solution Overview
Problem
Current 5G mobile communication systems face challenges in managing notifications for multiple destinations due to the duplication of notification functionality in each vertical application, leading to inefficiencies and resource waste.
Innovation Solution
A unified notification management service in the Service Enabler Architecture Layer (SEAL) that enables vertical applications to subscribe and receive notifications through a centralized mechanism, offloading the complexity of building subscription and notification logic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple notification messages are stored in the terminal device, then notification functionality is improved, but device complexity and power consumption increase
Solution Approach 1:
The patent introduces a notification management entity in the network side (seaf) as an intermediary to manage notification messages. This entity stores notification messages, manages notification contexts, and coordinates with both the terminal device and notification sending network elements, thereby reducing the storage and processing burden on the terminal device while maintaining comprehensive notification functionality.
2Reliability
If notification messages are stored in the terminal device, then notification history is preserved, but power consumption increases
Solution Approach 1:
The notification management entity serves as a mediator that stores notification messages and manages notification contexts on the network side. The terminal device only maintains notification contexts (metadata) rather than full message content, significantly reducing power consumption while preserving notification history through the network-based storage mechanism.
Solution Approach 2:
The patent implements a copying mechanism where the notification management entity stores copies of notification messages in the network, while the terminal device stores only notification contexts (lightweight metadata). This allows the terminal to access notification history without storing heavy message content locally, reducing power consumption while maintaining reliability.
3Speed
If the terminal device manages all notification processes, then response speed is fast, but device complexity increases
Solution Approach 1:
The patent segments the notification management functionality into two parts: the notification management entity in the network handles message storage, context management, and coordination with network elements, while the terminal device handles local notification context maintenance and user interaction. This segmentation reduces terminal complexity while maintaining fast local response through cached notification contexts.
Solution Approach 2:
The notification management entity acts as an intermediary that handles complex notification management tasks (storage, context management, coordination) on the network side, allowing the terminal device to maintain simpler logic while achieving fast response through efficient interaction with the intermediary entity.
Data Source
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AI summary
The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Specifically, the disclosure related to a method performed by a user equipment (UE) in a wireless communication system. The method includes receiving, by a notification management client of the UE from a vertical application layer (VAL) client of the UE, a notification management request message to receive a notification from a VAL server. The method includes transmitting, by the notification management client of the UE to a notification management server, a create notification channel request message for a notification channel. The method includes receiving, by the notification management client of the UE from the notification management server, a create notification channel response message. The method includes transmitting, by the notification management client of the UE to the notification management server, an open notification channel message to start receiving a notification message based on the create notification channel response message. The method includes transmitting, by the notification management client of the UE to the VAL client of the UE, an indication of success or failure to start receiving the notification.