Network Performance Assessment for Video Transmission Quality
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Solution Overview
Problem
Home networks often face capacity constraints, leading to decreased information transfer rates and potential loss of data, particularly when multiple devices attempt to communicate simultaneously, resulting in undesirable image distortion or loss for users.
Innovation Solution
A system and method that assess network performance to dynamically select alternative communication paths, such as wireless transmitters or cable ports, and modify program formats from high-definition to standard-definition or change from MPEG-4 to MPEG-2, to reduce network utilization below peak capacity, ensuring stable video transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple devices communicate simultaneously over the network, then network connectivity and device functionality are improved, but network capacity is exceeded causing data loss and image distortion
Solution Approach 1:
The system dynamically adjusts video quality parameters (resolution, frame rate, bitrate) based on real-time network capacity assessment. When network capacity is sufficient, high-definition formats are used; when capacity is exceeded, the system automatically reduces quality to standard-definition formats to maintain reliable transmission
Solution Approach 2:
The patent changes physical parameters of the video signal (resolution, frame rate, bitrate) to adapt to network conditions. By modifying these parameters, the system ensures transmission reliability while maintaining acceptable video quality across varying network capacities
2Manufacturing precision
If high-definition video formats are transmitted, then video quality is improved, but network capacity utilization increases causing congestion
Solution Approach 1:
The system dynamically adjusts video quality parameters (resolution, frame rate, bitrate) based on real-time network capacity assessment. When network capacity is sufficient, high-definition formats are used; when capacity is exceeded, the system automatically reduces quality to standard-definition formats to maintain reliable transmission
Solution Approach 2:
The patent changes physical parameters of the video signal (resolution, frame rate, bitrate) to adapt to network conditions. By modifying these parameters, the system ensures transmission reliability while maintaining acceptable video quality across varying network capacities
3Reliability
If network capacity is reduced to prevent congestion, then transmission reliability is improved, but video quality deteriorates
Solution Approach 1:
The system dynamically adjusts video quality parameters (resolution, frame rate, bitrate) based on real-time network capacity assessment. When network capacity is sufficient, high-definition formats are used; when capacity is exceeded, the system automatically reduces quality to standard-definition formats to maintain reliable transmission
Solution Approach 2:
The patent changes physical parameters of the video signal (resolution, frame rate, bitrate) to adapt to network conditions. By modifying these parameters, the system ensures transmission reliability while maintaining acceptable video quality across varying network capacities
Data Source
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AI summary
A consumer network (136) includes a computer (132) which may be connected to the internet, and a number of television receivers (120i) connectible to receive broadcast programming by way of the network. The network (136) has a limited capacity to handle a maximum amount of communications traffic. A network performance assessor (200) is provided to monitor performance information of the network (136). If the network performance assessor (200) identifies that the network is at, or is approaching, maximum capacity it modifies the performance of the network. For example, the format of video being received by the network, and/or the rate of communication, and/or the communication path, may be changed to avoid degradation of viewed programming.