Wireless Base Station Caching for Mobile Mesh Content Delivery
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Solution Overview
Problem
Existing video distribution methods in transportation systems face connectivity limitations and high costs, leading to reduced user engagement and decreased advertisement revenue due to reliance on cellular connectivity, which is restrictive and costly in environments like buses, trains, and airplanes.
Innovation Solution
Implementing a cache management resource in a wireless base station that temporarily caches content segments for distribution within a window of time, utilizing a mobile mesh network to reduce the need for repeated backhaul requests and optimize bandwidth usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If cellular connectivity is used for content retrieval in transportation systems, then content access is available, but cost increases and connectivity is restrictive
Solution Approach 1:
The patent introduces a mesh network as an intermediary layer between the cellular network and mobile devices. This mesh network, formed by peer-to-peer connections among devices, acts as a mediator that provides alternative content distribution paths, reducing dependency on restrictive cellular connectivity while maintaining content access capability.
Solution Approach 2:
The patent segments the content delivery system into multiple independent parts: a content server, multiple mesh network nodes, and mobile devices. This segmentation allows the system to use distributed peer-to-peer connections instead of relying on a single cellular network infrastructure, providing flexibility and reducing connectivity restrictions.
2Productivity
If multiple mobile devices request content simultaneously through backhaul, then content distribution is achieved, but bandwidth consumption increases
Solution Approach 1:
The patent merges multiple content requests from different mobile devices into a single backhaul connection. By using a mesh network topology where devices share content through peer-to-peer connections, the system combines multiple individual requests into consolidated data flows, significantly reducing the total bandwidth consumption on the backhaul link while maintaining efficient content distribution to all devices.
3Adaptability or versatility
If frequent backhaul requests are made for content segments, then content updates are achieved, but system capacity is reduced
Solution Approach 1:
The patent implements preliminary action by having mesh network nodes cache and store content segments locally before they are needed. Devices can retrieve previously cached content without frequent backhaul requests, reducing system capacity demands. The system maintains adaptability by allowing nodes to request new content segments when needed, balancing content updates with capacity preservation.
Data Source
AI summary
According to one configuration, a wireless base station has access to a cache (repository) that stores a stream of content including multiple segments of content. The cache stores (caches) a first segment of content from the received stream of content. The first segment of content is cached in the repository for a window of time during which the first segment of content is temporarily available from the wireless base station. In response to receiving a respective request from each mobile communication device in a group of multiple mobile communication devices requesting the first segment of content during the window of time, a wireless base station communicates the first segment of content from the cache to each mobile communication device in the group.