QoS Notification Handling via SDAP Control Protocol Data Unit
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Solution Overview
Problem
Current 3GPP standards for managing quality of service (QoS) notifications in wireless networks lead to additional signaling overhead, unnecessary data transmissions, and priority issues, which can result in necessary notifications being missed due to lower priority channels like SRB2.
Innovation Solution
A method and apparatus for generating and providing a signaling indicator to manage QoS notifications, which reduces signaling overhead and processing consumption at user devices by limiting unnecessary notifications, and enhances transmission reliability and latency by using a control protocol data unit in accordance with Service Data Access Protocol (SDAP) when higher priority is required.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If QoS notifications are transmitted via SRB2 channel, then network can inform UE of QoS parameter changes, but signaling overhead increases and transmission reliability decreases due to lower priority
Solution Approach 1:
The patent extracts the QoS notification function from the low-priority SRB2 channel and relocates it to the higher-priority uplink and downlink data channels. This separation allows critical QoS notifications to be transmitted through more reliable channels while reducing the signaling burden on dedicated control channels.
Solution Approach 2:
The patent enables data channels to serve dual purposes: carrying user data traffic and simultaneously conveying QoS notification information. This multi-functionality reduces the need for separate dedicated control signaling, thereby reducing overall signaling overhead while improving reliability through higher priority channel allocation.
2Loss of information
If all QoS notifications are transmitted to UE, then complete QoS information is provided, but processing consumption at user device increases due to unnecessary notifications
Solution Approach 1:
The patent implements preliminary action by having the UE indicate its QoS notification preferences in advance during connection setup or modification. The network stores these preferences and uses them to filter notifications, preventing unnecessary QoS notifications from being transmitted to the UE in the first place, thereby reducing processing consumption while maintaining information completeness for relevant notifications.
3Loss of time
If QoS notifications are sent via lower priority channel, then channel resources are conserved, but latency increases and critical notifications may be missed
Solution Approach 1:
The patent applies local quality by assigning different priority levels to different types of communications. QoS notifications are transmitted through high-priority data channels when urgency is required, while regular data traffic uses standard priority channels. This localized quality differentiation ensures critical notifications experience low latency without consuming excessive channel resources across all traffic types.
Data Source
AI summary
A method, apparatus, and computer program product provide for generating and providing a signaling indicator to manage quality of service notifications in a network. In the context of a method, the method receives a signaling indicator from a user device. The signaling indicator includes data associated with one or more preferences of the user device. The method further receives a quality of service notification associated with the user device. The method also determines, based on the signaling indicator, whether to provide the quality of service notification to the user device.