Adaptive Media Adaptation in Communication Systems
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Solution Overview
Problem
Communication systems face challenges in efficiently adapting multimedia packet transmission due to changes in the operating environment of communication terminals, leading to packet loss and reduced speech or video quality.
Innovation Solution
A communication system and method that utilize a device management server to update management objects based on the operating environment, allowing communication terminals to determine and adjust packet units, including parameters like packet loss ratio and encoding rate, to optimize multimedia packet transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a communication terminal uses fixed setting information recorded during manufacturing for media adaptation, then the device complexity is reduced, but the adaptability to different operating environments deteriorates
Solution Approach 1:
The patent implements dynamic media adaptation by allowing communication terminals to update their setting information (management objects) based on current operating conditions. The terminal dynamically adjusts packet unit parameters such as packet loss ratio thresholds and encoding rates according to real-time radio frequency channel state, network conditions, and terminal performance, transforming the static factory-default configuration into an adaptive system that evolves with operating conditions.
Solution Approach 2:
The patent changes key parameters of the media adaptation process based on operating environment. Specifically, it modifies management objects containing packet loss ratio thresholds, packet unit sizes, and encoding rates according to measured channel conditions, network load, and terminal state. This parameter adaptation enables the system to optimize performance across diverse conditions without requiring complex reconfiguration of the entire media adaptation framework.
2Ease of operation
If a communication terminal uses the same setting information regardless of operating environment, then the ease of operation is improved, but the loss of multimedia packets increases
Solution Approach 1:
The patent enables communication terminals to automatically adjust their own media adaptation parameters based on monitored operating conditions. The terminal independently evaluates its current state (battery level, processing load, channel quality) and autonomously updates its management objects and packet unit configurations without requiring manual intervention or complex external control, thereby maintaining ease of operation while improving packet delivery reliability through environment-specific optimization.
Solution Approach 2:
The patent implements a feedback mechanism where the communication terminal continuously monitors operating conditions (radio frequency channel state, network conditions, terminal performance) and uses this feedback to adjust its media adaptation settings. The terminal measures packet loss, channel quality, and other performance metrics, then feeds this information back into the decision-making process for updating management objects, creating a closed-loop system that improves reliability while maintaining operational simplicity.
3Productivity
If media adaptation is performed without considering operating environment changes, then the productivity is improved, but the quality of speech or video deteriorates
Solution Approach 1:
The patent dynamically adjusts media adaptation parameters including packet unit size, encoding rate, and error correction levels based on real-time operating conditions. When channel conditions are good, the system uses higher encoding rates and smaller packet units for faster communication. When conditions deteriorate, it adapts by using more robust encoding and appropriate packet sizing, thereby maintaining both communication efficiency and speech/video quality across varying conditions.
Solution Approach 2:
The patent changes critical media adaptation parameters such as packet loss ratio thresholds, packet unit configurations, and encoding rates based on measured operating environment. By adjusting these parameters dynamically, the system optimizes the balance between communication productivity (speed and efficiency) and output quality (speech and video fidelity), ensuring high quality transmission without sacrificing overall communication efficiency.
Data Source
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AI summary
A media adaptation method in a communication system is provided. The method includes updating a previously stored management object by a communication terminal when an operating environment of the communication terminal is changed, and determining a packet unit between the communication terminal and another communication terminal using the updated management object by the communication terminal when communicating with the other communication terminal.