Streaming Media Adaptation via Roaming Bandwidth Curves
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Solution Overview
Problem
Existing streaming media content technologies fail to effectively manage bandwidth changes caused by roaming in wireless networks, leading to potential quality degradation and increased roaming charges for mobile devices.
Innovation Solution
A method and system that adapt digital content streaming to mobile wireless devices by switching between different data rates based on temporal bandwidth availability curves (TBACs), with a specific reduction in data rate when roaming, using a second TBAC that indicates reduced bandwidth availability, thereby reducing roaming charges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If streaming media content is provided at a high data rate to mobile wireless devices, then the quality of streaming content is improved, but roaming charges increase and network bandwidth availability decreases
Solution Approach 1:
The system dynamically adjusts the data rate of streaming media content based on real-time network conditions and roaming status. When a mobile device roams to a different wireless carrier's network, the system automatically reduces the data rate from a first rate to a second rate, adapting the streaming quality to match the changed network environment and reduce roaming charges.
Solution Approach 2:
The system changes the data rate parameter of the streaming media content based on the mobile device's location and network affiliation. By monitoring whether the device is on its home network or roaming, the system modifies the streaming parameters to optimize both quality and cost, reducing the data rate when roaming to minimize charges while maintaining acceptable playback quality.
2Loss of energy
If the data rate of streaming media content is reduced to avoid stalling, then bandwidth consumption decreases, but the quality of streaming content degrades
Solution Approach 1:
The system dynamically adjusts the data rate based on real-time bandwidth availability conditions. Rather than using a fixed low data rate, the system continuously monitors network conditions and adapts the streaming quality to match available bandwidth, ensuring the highest possible quality within the bandwidth constraints to avoid stalling while minimizing quality degradation.
3Reliability
If adaptive streaming is implemented to handle changing network conditions, then streaming stability is improved, but system complexity increases
Solution Approach 1:
The system uses feedback from network conditions and device roaming status to automatically adjust streaming parameters. By monitoring whether the mobile device is on its home network or roaming, and adjusting the data rate accordingly, the system maintains streaming stability without requiring complex user intervention or sophisticated adaptive algorithms, keeping the system relatively simple while achieving reliable streaming.
Data Source
AI summary
A mobile device requests streaming media content while being served by a first radio access network in a market area. A content streaming system obtains the requested media content, adapts the media content using a first total bandwidth availability curve (TBAC) to provide adapted media content, and streams the adapted media content to the mobile device. The first TBAC is determined from actual or projected network conditions in the market area. While receiving the media content, the mobile device roams to a second radio access network in the market area. The mobile device provides a roaming indication to the content streaming system. In response to the roaming indication, the content streaming system adapts the media content using a second TBAC to provide roaming-adapted media content and streams the roaming-adapted media content to the mobile device. The second TBAC indicates reduced bandwidth availability relative to the first TBAC.