Multiplexed Media Packet Handling for Stream-Specific QoS
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Solution Overview
Problem
Existing mobile communication systems struggle to provide optimized quality of service (QoS) for multiplexed packet streams, particularly in high-bandwidth applications like extended reality (XR), due to the diverse transport characteristics of different media types within a single service data flow.
Innovation Solution
A method and apparatus for media streaming that involves categorizing packets based on media transport streams and applying dynamic policies through network resource allocation, using media stream-based network configuration and packet handling to ensure optimized QoS for each media type.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If multiplexed packet streams are transmitted without categorization, then network resource allocation is simplified, but QoS optimization for individual media types deteriorates
Solution Approach 1:
The patent segments multiplexed packet streams into individual media stream components, enabling separate identification and handling of each media type (audio, video, XR, etc.) within the combined flow. This segmentation allows the network to apply specific QoS policies to each media type while maintaining overall multiplexed transmission efficiency.
Solution Approach 2:
The patent implements local quality by applying differentiated QoS characteristics to specific portions of the packet stream corresponding to different media types. Each media stream receives tailored QoS treatment (e.g., latency-sensitive for audio, bandwidth-intensive for video) rather than uniform handling, optimizing performance for each media type's specific requirements.
2Reliability
If dynamic policies are applied to each media stream, then QoS optimization improves, but system complexity increases
Solution Approach 1:
The patent employs dynamic policy application where QoS parameters and handling rules are adjusted in real-time based on current network conditions, media type requirements, and stream characteristics. This dynamic approach allows flexible adaptation without requiring static complex configurations for every possible scenario.
Solution Approach 2:
The patent changes key parameters such as packet prioritization levels, bandwidth allocation, and latency thresholds based on media stream identification. By dynamically adjusting these parameters according to the detected media type, the system achieves QoS optimization without maintaining complex static rule sets for all scenarios.
3Reliability
If media stream-based network configuration is implemented, then service provision quality improves, but processing overhead increases
Solution Approach 1:
The patent performs preliminary identification and classification of media streams at the point of multiplexing or early in the transmission path. By establishing media stream identities and associated QoS requirements in advance, the network avoids time-consuming analysis and decision-making at each subsequent processing stage.
Data Source
AI summary
The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) is provided. The method comprises transmitting, to an application function (AF) entity for a media streaming, a first message for requesting a dynamic policy applied to a media session for a media and receiving, from the AF entity for the media streaming, a second message including information associated with the dynamic policy, wherein the first message includes first information on a media stream for the media, and second information on a media protocol corresponding to media stream, and wherein a quality of service (QOS) for the media stream is based on the first information.