IoT Companion Device Bandwidth Aggregation via Cellular Wi-Fi Bonding
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Solution Overview
Problem
Bandwidth constraints in mobile devices, particularly in densely populated and rural areas, hinder seamless video streaming and gaming experiences due to inadequate coverage and heightened demand, exacerbated by resource limitations in mobile devices.
Innovation Solution
The introduction of an IoT companion device that aggregates bandwidth, storage, and computing resources through fog networking, enabling primary devices to create a mobile fog network by bonding with companion devices, thereby boosting performance and providing additional resources such as cellular connectivity, data storage, and computing power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If mobile devices rely on their own bandwidth resources, then device independence is maintained, but bandwidth is insufficient for resource-intensive applications
Solution Approach 1:
The patent combines bandwidth resources from multiple devices including mobile devices, Wi-Fi access points, and cellular networks into a unified network interface. The system merges these heterogeneous resources to provide aggregated bandwidth that exceeds what any single device could provide alone, enabling resource-intensive applications to run smoothly.
Solution Approach 2:
The network interface card is designed to perform multiple functions: it can access both Wi-Fi and cellular networks simultaneously, aggregate bandwidth from different sources, and provide internet connectivity to multiple devices. This multi-functionality allows a single device to serve as both a primary computing device and a bandwidth aggregation hub.
2Productivity
If mobile devices operate independently without external assistance, then device simplicity is maintained, but performance in resource-intensive applications is limited
Solution Approach 1:
The patent introduces a network interface card as an intermediary device that mediates between the mobile device and external network resources. This intermediary aggregates bandwidth from Wi-Fi and cellular networks, presenting a unified high-bandwidth interface to the application while handling the complexity of resource management transparently.
Solution Approach 2:
The system segments the network connectivity function from the primary computing device by using a separate network interface card. This segmentation allows the main device to focus on computation while the network interface handles bandwidth aggregation and network management, improving overall application performance without overwhelming the main device.
3Quantity of substance
If bandwidth aggregation from multiple sources is implemented, then available bandwidth increases, but device complexity increases
Solution Approach 1:
The network interface card automatically manages bandwidth aggregation from multiple sources including Wi-Fi and cellular networks. The system performs self-service by dynamically selecting and combining available network resources without requiring manual configuration or complex user intervention, thereby increasing available bandwidth while keeping management simple.
4Productivity
If mobile devices have limited resources, then device portability is maintained, but capability for intensive computing tasks is reduced
Solution Approach 1:
The system uses partial action by activating only the necessary network interfaces based on current application needs. When intensive computing tasks require more bandwidth, the system activates cellular network aggregation. For lighter tasks, it uses only Wi-Fi, thereby providing enhanced computing capability when needed while minimizing energy consumption during normal operation.
Data Source
AI summary
A companion device is provided for a primary device. The companion device have wireless connectivity that send and receive data via a communication channel established over its wireless connectivity. The companion device includes a microcontroller, a wireless communication interface, a cellular communication interface, and logic configured to connect with the primary device via the wireless communication interface and with a cellular network via the cellular communication interface to augment bandwidth of the communication channel for the primary device.