Upload System Location-Based Device Switching
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Solution Overview
Problem
Existing systems for uploading sensing information from wearable module devices to remote devices, such as cloud servers, face challenges in ensuring successful data transmission, particularly when the user moves away from the initial communication range or returns home, leading to interrupted connections.
Innovation Solution
An upload system comprising a mobile terminal and a fixed device, where the mobile terminal detects its location and stops receiving sensing information when at home, allowing the fixed device to establish a connection with the module devices and forward the data to the cloud server, ensuring continuous data upload even when the user returns home.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the mobile terminal continuously receives sensing information from the module device, then the data upload can be maintained when the user is outside, but the connection becomes interrupted when the user returns home to the predetermined location
Solution Approach 1:
The system dynamically switches the reception role between mobile terminal and fixed device based on the user's location. When the user is outside the predetermined location, the mobile terminal receives sensing information. When the user returns home, the fixed device takes over reception. This dynamic role assignment maintains connection stability while ensuring continuous data upload capability.
Solution Approach 2:
The fixed device acts as an intermediary when the mobile terminal is unavailable (i.e., when the user is at the predetermined location). The fixed device receives sensing information from the module device and forwards it to the cloud device, ensuring that data upload continues without interruption even when the primary communication path through the mobile terminal is unavailable.
2Ease of operation
If the mobile terminal stops receiving sensing information when at the predetermined location, then the connection stability is maintained, but the data upload may be interrupted
Solution Approach 1:
The fixed device serves as an intermediary reception point when the mobile terminal stops receiving. It accepts sensing information from the module device and relays it to the cloud device, ensuring data upload continuity while allowing the mobile terminal to remain inactive at the predetermined location.
Solution Approach 2:
The fixed device is designed to perform multiple functions: it can receive sensing information from the module device, forward it to the cloud device, and also communicate with the mobile terminal when needed. This multi-functionality ensures that data upload reliability is maintained regardless of whether the user is at the predetermined location or outside.
3Device complexity
If a single upload device is used, then the system complexity is low, but the data upload success probability decreases when location changes occur
Solution Approach 1:
The upload system is segmented into two distinct upload devices: a mobile terminal and a fixed device. Each device operates independently based on location conditions. This segmentation allows the system to maintain low complexity within each device while achieving high overall reliability through coordinated operation between the two devices.
Solution Approach 2:
The system changes the operational parameter of which device is active for receiving sensing information based on the user's location parameter. When the user is outside the predetermined location, the mobile terminal is active. When the user is at the predetermined location, the fixed device becomes active. This parameter-based switching maintains simplicity while improving upload success probability.
Data Source
AI summary
A mobile terminal detects a self-device being located at a predetermined location, and stops reception of sensing information from a module device that transmits the sensing information, if being located at the predetermined location is detected. A fixed device receives the sensing information from the module device, and transmits the sensing information to a cloud server.