MBS QoE Reporting With Event-Triggered Measurement Conditions
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Solution Overview
Problem
Current QoE and RVQoE measurement configurations for Multicast Broadcast Service (MBS) lack flexibility and control, leading to unnecessary network and UE processing loads, as they are typically executed continuously without consideration for specific events or conditions.
Innovation Solution
Implement trigger- and event-based QoE and RVQoE measurement configurations for MBS, allowing measurements to be performed or reported only upon fulfillment of predefined conditions such as RRC state changes, MBS delivery modes, or threshold metrics, thereby focusing on relevant events and reducing unnecessary processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If QoE measurements are performed continuously for MBS, then measurement completeness is improved, but network and UE processing loads increase
Solution Approach 1:
The patent implements event-triggered periodic measurement where QoE measurements are not performed continuously but only when specific events occur (e.g., RRC state changes, MBS delivery mode changes, threshold metric fulfillments). This reduces unnecessary processing while ensuring measurements are taken at meaningful intervals to maintain measurement completeness.
Solution Approach 2:
The patent changes the measurement execution parameter from continuous to conditional-based triggering. By introducing event triggers (RRC state changes, delivery mode changes, metric thresholds) and configuring measurement execution based on these parameter changes, the system reduces processing load while maintaining necessary measurement coverage.
2Reliability
If QoE measurements are performed continuously for MBS, then measurement coverage is improved, but energy consumption increases
Solution Approach 1:
The patent implements event-triggered periodic measurement where QoE measurements are executed only when specific events occur rather than continuously. This periodic execution based on meaningful events maintains measurement coverage while significantly reducing UE energy consumption by avoiding unnecessary measurement operations during stable states.
Solution Approach 2:
The patent applies partial action by performing measurements only when necessary (event-triggered) rather than continuously. By executing measurements partially based on event occurrence rather than fully continuously, the system maintains adequate measurement coverage while reducing energy consumption.
3Productivity
If trigger-based QoE measurement configuration is implemented, then resource utilization is improved, but configuration complexity increases
Solution Approach 1:
The patent introduces configurable parameters for event triggers (RRC state changes, MBS delivery mode changes, metric thresholds) that allow flexible control over when measurements occur. While this increases configuration options, it also enables optimized resource utilization by allowing operators to configure measurements based on specific network conditions and service requirements.
Solution Approach 2:
The patent implements dynamic measurement configuration where the measurement execution is adapted based on changing network conditions and events. The configuration allows the system to dynamically adjust measurement behavior according to actual service needs, improving resource utilization while the complexity is managed through standardized event types.
Data Source
AI summary
Embodiments described herein relate to methods and apparatuses for reporting Quality of Experience, QoE, measurements for a Multicast Broadcast Service, MBS. A method in a user equipment comprises receiving, from a network node, a configuration configuring the performing and/or reporting of QoE measurements of the MBS, wherein the configuration indicates that QoE measurements are to be performed and/or QoE reports are to be reported upon fulfilment of one or more conditions.