Wireless Unit Offline Content Transfer via Caching
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Solution Overview
Problem
Existing wireless communication systems struggle to provide real-time access to data content when mobile devices are outside of cellular network coverage, resulting in service outages and limited content availability.
Innovation Solution
A wireless communication unit equipped with a receiver, memory, transmitter, and processor, capable of storing data content when connected to a wireless network or remote communication unit, and transmitting this content to other remote units when outside of network coverage, enabling peer-to-peer communication and batch data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mobile devices operate outside cellular network coverage, then service availability is reduced, but device autonomy and offline content access are improved
Solution Approach 1:
The system performs preliminary actions by downloading and storing data content in the database before the device goes offline. The content is cached locally in the memory/storage medium while the device is within network coverage, enabling subsequent offline access without real-time network connection.
Solution Approach 2:
The patent introduces an intermediary mechanism - a local database and content delivery system within the device that mediates between the cellular network and the user. This local content delivery network allows devices to exchange data peer-to-peer offline, acting as an intermediary that replaces the cellular network when unavailable.
2Loss of time
If real-time network connection is maintained, then content access is immediate, but energy consumption and network dependency increase
Solution Approach 1:
The system uses periodic action by establishing connection intervals rather than continuous connection. Devices connect to the network periodically to synchronize content updates, then operate offline in between intervals. This reduces energy consumption while maintaining relatively fresh content availability.
Solution Approach 2:
Content is preliminarily downloaded and cached before it is strictly needed. The system anticipates content requirements and pre-loads data during periods when network connectivity is available, reducing the need for frequent real-time connections and lowering overall energy consumption.
3Reliability
If cellular network coverage is extended, then service availability improves, but infrastructure complexity and deployment cost increase
Solution Approach 1:
The patent segments the network functionality by dividing the content delivery system into distributed peer-to-peer nodes rather than a centralized cellular infrastructure. Each device becomes an independent node capable of storing and sharing content, eliminating the need for extended cellular infrastructure in remote areas.
Solution Approach 2:
The system enables self-service by allowing devices to autonomously exchange content without requiring cellular network infrastructure. Devices independently discover each other, establish connections, and transfer data using their own resources (processing power, storage, transmission capabilities), making the system self-sufficient in offline environments.
Data Source
AI summary
A wireless communication unit for communicating with a wireless network node and one or more wireless remote communication units is described. The wireless communication unit comprises: at least one receiver configured to receive data content when connected to the wireless network node or a first wireless remote communication unit; at least one memory operably coupled to the at least one receiver and configured to store the received data content; at least one transmitter operably coupled to the at least one memory; and a processor operably coupled to the at least one memory and the at least one transmitter. When no longer connected to the wireless network node or the first wireless remote communication unit, the processor is configured to access the data content from the at least one memory and the transmitter is configured to transmit the accessed data content to at least one second wireless remote communication unit.