5G Group Message Modification and Cancellation Via Indication Files
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Solution Overview
Problem
Existing group message modification and cancellation solutions in 5G multicast-broadcast services are limited, as they cannot replace the content of group messages and UEs are not informed of message cancellations, leading to inefficiencies in resource management and user experience.
Innovation Solution
A method involving an exposure node that transforms group message payloads into files and sends indications for modification or cancellation, utilizing HTTP DELETE requests to update or terminate group message delivery, ensuring that UEs are informed of changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing group message modification and cancellation solutions are used, then the system maintains simplicity in message delivery, but the system cannot replace group message content and UEs are not informed of cancellations
Solution Approach 1:
The patent introduces an intermediary mechanism (modification indication message and cancellation indication message) between the existing message delivery system and the UEs. These indication messages act as mediators that carry modification and cancellation information to UEs, enabling content replacement and cancellation notification without fundamentally changing the core message delivery architecture.
Solution Approach 2:
The patent segments the message delivery process into distinct components: original group message delivery, modification indication delivery, and cancellation indication delivery. This segmentation allows each component to be optimized independently, enabling content replacement capability while maintaining the simplicity of the original delivery mechanism.
2Loss of energy
If existing message delivery procedures are maintained, then the system preserves resource efficiency, but group message content cannot be updated and UEs remain unaware of changes
Solution Approach 1:
The patent implements a feedback mechanism where the system sends modification indication messages and cancellation indication messages to UEs. This feedback loop ensures that UEs are informed of message content changes and cancellations, preventing information loss while maintaining resource efficiency by using targeted indication messages rather than redundant retransmissions.
3Ease of manufacture
If the system uses traditional message delivery methods, then implementation remains simple, but resource utilization is inefficient and user awareness of message changes is poor
Solution Approach 1:
The patent applies preliminary action by sending modification indication messages and cancellation indication messages before the actual message content changes take effect. This allows the system to prepare UEs for upcoming changes, improving resource utilization by coordinating updates efficiently while maintaining implementation simplicity through a straightforward indication message format.
Data Source
AI summary
Embodiments of the present disclosure provide methods and apparatuses for group message modification and cancel. A method performed by an exposure node includes receiving a group message request from an application node. When the group message request is for a modification of group message delivery and includes group message payload, the method further includes transforming the group message payload into a file. The method further includes sending the file to a second broadcast multicast node.