Wireless Access Point Adaptive Resource Allocation for Media Streams
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Solution Overview
Problem
Conventional wireless communication systems face challenges in managing resource allocation for media streams, leading to sudden and persistent drops in bit-rates due to changing wireless channel quality, which negatively impact user experience by causing fluctuations in video quality and inefficient bandwidth utilization.
Innovation Solution
A wireless access point dynamically adjusts resource allocation for media streams based on target bit-rates and smoothness parameters, smoothing out temporary quality drops and optimizing resource usage by revising allocations to mitigate channel disruptions, ensuring fair long-term resource distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If resource allocation is adjusted dynamically based on channel quality, then media stream quality is improved, but resource allocation complexity increases
Solution Approach 1:
The patent implements dynamic resource allocation where the wireless access point continuously monitors channel quality metrics and adjusts resource allocation in real-time based on current conditions. This allows the system to adapt to changing wireless environments while maintaining media stream quality through automated dynamic adjustments rather than static allocation.
Solution Approach 2:
The system employs feedback mechanisms by monitoring channel quality metrics and using this information to revise resource allocation decisions. The wireless access point receives feedback about channel conditions and adjusts resource distribution accordingly, creating a closed-loop control system that improves media stream quality while managing complexity through automated feedback-driven adjustments.
2Ease of operation
If resource allocation is smoothed to prevent quality drops, then user experience is improved, but responsiveness to channel changes is reduced
Solution Approach 1:
The patent applies smoothing techniques that anticipate and cushion against potential quality drops by adjusting resource allocation in advance. When channel quality begins to deteriorate, the system proactively increases resource allocation to prevent quality drops before they occur, providing a buffer that maintains user experience while managing the trade-off with responsiveness.
Solution Approach 2:
The system dynamically balances smoothing and responsiveness by adjusting the degree of smoothing applied based on current channel conditions and stream requirements. This allows the system to be more aggressive in smoothing during stable conditions while maintaining faster responsiveness when rapid channel changes are detected, optimizing both user experience and adaptability.
3Stability of the object's composition
If transmission resources are increased to maintain target bit-rate, then media stream smoothness is improved, but bandwidth utilization efficiency decreases
Solution Approach 1:
The patent changes key parameters including target bit-rate and smoothness factor to optimize the balance between stream smoothness and bandwidth efficiency. By dynamically adjusting these parameters based on channel conditions and stream priorities, the system can maintain acceptable smoothness while improving overall bandwidth utilization efficiency through parameter optimization rather than simply increasing resources.
Solution Approach 2:
The system applies different levels of resource allocation and smoothing to different media streams based on their specific requirements, priorities, and channel conditions. This local optimization allows the system to maintain smoothness for critical streams while being more efficient with less critical streams, improving overall bandwidth utilization without sacrificing essential stream quality.
Data Source
AI summary
A method is provided in a wireless access point in a wireless communications network. The method includes obtaining information characterizing a first wireless stream and the second wireless stream transmitted or received by the wireless access point. The information includes at least a wireless channel quality for each of the first wireless stream and the second wireless stream. The method further includes allocating transmission resources to the first wireless stream and the second wireless stream based on the obtained information. In response to a change in quality of the first wireless stream, the method further includes revising the allocation of transmission resources for the first wireless stream based on at least one of a target bit-rate and a target level of smoothness.