Cross-Layer Network Assistance Metrics for Adaptive Bitrate Reporting
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Solution Overview
Problem
Current wireless communication networks struggle to efficiently support diverse devices with varying data traffic profiles and latency/reliability requirements, particularly in 5G systems, due to the lack of unified Network Assistance (NA) metrics reporting across Radio Access Network (RAN) and application layers.
Innovation Solution
Implementing a set of parameters for NA metrics reporting that are compatible with both RAN and application layers, including a server identifier, bitrate recommendation metric, and boost metric, to enhance network performance for diverse devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If Network Assistance metrics reporting is implemented separately at RAN layer and application layer, then each layer can optimize for its specific function, but the system complexity increases and compatibility between layers is lost
Solution Approach 1:
The patent merges the metrics reporting functionality across RAN layer and application layer by defining a unified set of NA metrics parameters that can be reported through either layer. The bitrate recommendation metric, boost metric, and server identifier are standardized to work across both layers, eliminating the need for separate reporting mechanisms and reducing overall system complexity.
Solution Approach 2:
The patent creates universal metrics parameters that serve multiple functions across different layers. The same bitrate recommendation metric and boost metric can be used whether reporting occurs at RAN layer or application layer, making the system multi-functional and adaptable to different delivery mechanisms without requiring layer-specific implementations.
2Ease of manufacture
If separate NA metrics reporting mechanisms are used for RAN and application layers, then each mechanism can be optimized independently, but adaptability across different delivery mechanisms is reduced
Solution Approach 1:
The patent defines universal NA metrics parameters including server identifier, bitrate recommendation metric, and boost metric that can be reported through either RAN layer or application layer. This universality allows the same parameter set to adapt to different delivery mechanisms while maintaining compatibility, enabling flexible deployment without sacrificing cross-layer adaptability.
Solution Approach 2:
The patent enables dynamic selection of reporting layer while maintaining the same metrics parameter structure. The system can adaptively choose whether to report through RAN layer or application layer based on network conditions and device capabilities, providing flexibility without compromising the standardized metrics framework.
3Adaptability or versatility
If unified NA metrics parameters are implemented across RAN and application layers, then cross-layer compatibility is improved, but the ability to independently optimize each layer's reporting mechanism is reduced
Solution Approach 1:
The patent combines the metrics definition into a unified framework that works across layers, while allowing independent optimization of the reporting mechanisms. The standardized parameters (server identifier, bitrate recommendation metric, boost metric) provide compatibility, while the flexibility in choosing reporting layer and timing allows independent optimization of each layer's implementation.
Data Source
AI summary
A terminal device comprising: transceiver circuitry configured to communicate with infrastructure equipment; and processing circuitry configured to control the transceiver circuitry to: provide Network Assistance metrics information to the network, the Network Assistance metrics information including: a server identifier that identifies the Network Assistance server; a bitrate recommendation metric that defines the number of bitrate recommendations in a predefined period of time and a boost metric that defines the number of delivery boosts in the predefined period of time.