Mobile Storage System for IoT Data Transfer
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Solution Overview
Problem
IoT devices face unreliable and insufficient storage for generated data, with data transfer to cloud storage often being unreliable, especially in remote areas or posing health risks due to high power wireless signals.
Innovation Solution
A mobile storage system acts as an intermediary between IoT devices and cloud data storage, using a first network interface (e.g., Bluetooth or NFC) for data receipt and a second network interface (e.g., cellular protocol) for transfer, determining communication bandwidth and power level to optimize data transfer based on these factors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data is transferred to cloud data storage via wireless communication, then data storage reliability is improved, but in remote areas with little or no wireless communication, the transfer becomes unreliable and data may be corrupted or lost
Solution Approach 1:
The mobile storage system serves as an intermediary device between the IoT device and cloud data storage. It receives data from the IoT device via Bluetooth or NFC, stores it locally on its own storage system, and then transfers it to cloud storage when appropriate conditions are met. This intermediary approach resolves the contradiction by providing a buffer that doesn't rely solely on immediate wireless communication between the IoT device and cloud, enabling operation in remote areas with limited connectivity.
2Reliability
If high power wireless signals are used to transmit data to cloud data storage, then data transfer reliability is improved, but health risks to the user increase
Solution Approach 1:
The mobile storage system acts as a mediator that receives data from the IoT device using low-power short-range communication (Bluetooth or NFC). The data is then stored on the mobile storage system's own storage, and subsequently transferred to cloud storage. This eliminates the need for the IoT device to transmit high-power signals directly to cloud storage, thereby reducing health risks while maintaining data transfer reliability through the intermediary's larger battery and more robust transmission capability.
Solution Approach 2:
The data transfer process is segmented into multiple stages: first, data is transferred from the IoT device to the mobile storage system using low-power Bluetooth or NFC communication; second, the mobile storage system stores the data locally; third, the mobile storage system transfers the data to cloud storage when conditions are favorable. This segmentation allows the use of low-power communication for the critical user-proximity transfer while relying on the intermediary's resources for the longer-distance transmission.
3Loss of time
If data is stored on the IoT device, then immediate availability is improved, but storage reliability and capacity are insufficient
Solution Approach 1:
The mobile storage system serves as an intermediary storage solution between the IoT device and cloud storage. The IoT device can quickly transfer data to the mobile storage system using Bluetooth or NFC, achieving immediate data offloading without relying on the IoT device's limited and unreliable storage. The mobile storage system's larger capacity and more reliable storage hardware provide both immediate availability and enhanced reliability, resolving the contradiction between quick data access and dependable storage.
Data Source
AI summary
A mobile storage system receives, by a short range network interface, data from an internet of things (IoT) device. The data is stored in storage. A communication bandwidth to a cloud data storage and a power level of a power supply is determined. Based on the communication bandwidth to the cloud data storage and the power level of the power supply, the data to the cloud data storage is transferred via a long range network interface.