Video Transcoder Rate Adjustment for UMTS Frame Stability
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Solution Overview
Problem
Maintaining a high frame rate for video transmission to wireless devices is challenging due to variable transmission rates and the need to avoid frame dropping, especially in UMTS networks where initial transmission rates are low and vary with connection quality.
Innovation Solution
A method and system that adjust transmission rates and compression characteristics of video streams based on the capabilities of the wireless device, including resolution and color depth, using a transcoder to optimize video processing and display capabilities, without monitoring for acknowledgement signals during certain transmission periods, and utilizing UMTS protocols to maintain a stable frame rate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If transmission rate is increased to maintain high frame rate, then video smoothness is improved, but network connection stability deteriorates
Solution Approach 1:
The system dynamically adjusts transmission parameters including bit rate, resolution, and frame rate based on real-time network conditions and device capabilities. The transcoder continuously monitors network quality and adapts video stream parameters to maintain optimal balance between frame rate and connection stability, preventing both frame dropping and excessive bandwidth consumption.
Solution Approach 2:
The invention changes multiple video stream parameters simultaneously (bit rate, resolution, color depth, frame rate) based on device capabilities and network conditions. The transcoder modifies these parameters adaptively to optimize the balance between maintaining high frame rate and ensuring stable network connection, resolving the contradiction between productivity and reliability.
2Reliability
If transmission rate is increased to avoid frame dropping, then video quality is improved, but energy consumption increases
Solution Approach 1:
The system adaptively changes transmission parameters including bit rate and frame rate based on actual network conditions and device capabilities. By optimizing these parameters rather than maintaining constant high rates, the system ensures reliable frame delivery while minimizing energy consumption on wireless devices.
Solution Approach 2:
The transcoder dynamically adjusts video stream parameters in real-time based on network quality metrics and device capabilities. This dynamic adaptation ensures that transmission rate is sufficient to prevent frame dropping only when necessary, thereby reducing unnecessary energy consumption while maintaining frame delivery reliability.
3Manufacturing precision
If video resolution and color depth are increased to improve image quality, then visual quality is improved, but transmission bandwidth requirement increases
Solution Approach 1:
The transcoder adaptively adjusts resolution and color depth parameters based on device capabilities and network conditions. The system optimizes these parameters to deliver the highest possible image quality while minimizing bandwidth requirements, ensuring efficient use of network resources.
Solution Approach 2:
The system dynamically modifies video parameters including resolution and color depth in real-time based on actual network conditions and device capabilities. This allows the system to provide high image quality when bandwidth is available while reducing bandwidth consumption when network conditions deteriorate, resolving the contradiction between image quality and transmission bandwidth.
Data Source
AI summary
The disclosure relates to a system and method for adjusting a characteristic of a data transmission in order to maintain a rate of transmission. For the method, it comprises: monitoring for initiation of the data transmission to the device; identifying characteristics of the device relating to the data transmission; automatically adjusting the transmission rate according to a preset transmission rate progression established for the communication network; and adjusting characteristics of the data transmission to allow the characteristics of data transmission to conform to the characteristics of the device while maintaining the transmission rate for the device.