Video Doorbell Connectivity Reporting via Bluetooth Fallback
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Solution Overview
Problem
IoT devices like video doorbells and security cameras often become communicatively isolated when the WLAN connection fails, as they cannot report connectivity issues without a functioning short-link radio, leading to delayed or incorrect error detection and resolution.
Innovation Solution
Configuring IoT devices to re-enable their short-link radio to send connectivity problem messages to client devices when out of range, allowing for early notification and automatic correction of issues such as incorrect WLAN passwords, and dual auto-provisioning with both repeater and base WLAN configurations to maintain connectivity when repeater APs fail.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the short-link radio is disabled to save power and reduce interference, then energy consumption is reduced, but the device cannot report connectivity issues when WLAN fails
Solution Approach 1:
The system performs preliminary actions by establishing alternative communication paths before complete isolation occurs. The device maintains the ability to report connectivity issues through pre-configured fallback mechanisms, allowing it to detect and report WLAN failures even when the primary communication channel is unavailable.
Solution Approach 2:
The system introduces an intermediary mechanism that enables the device to communicate connectivity status even when the primary WLAN connection fails. This intermediary allows the device to report its isolated state to the remote server or local network, resolving the contradiction between power savings and reliability.
2Device complexity
If the device relies solely on WLAN for communication, then device complexity is reduced, but the device becomes isolated when repeater APs fail
Solution Approach 1:
The device is configured with multi-functionality, supporting both WLAN and short-link radio communication modes. This universal communication capability allows the device to switch between different communication pathways depending on availability, preventing isolation when repeater APs fail while maintaining relatively simple device architecture.
3Reliability
If dual auto-provisioning with repeater and base WLAN configurations is implemented, then connectivity reliability is improved, but device complexity increases
Solution Approach 1:
The system implements self-service through automatic provisioning mechanisms that configure both repeater and base WLAN settings without manual intervention. The device autonomously manages multiple communication configurations, switching between them based on availability, which improves reliability while minimizing the perceived complexity for users.
Data Source
AI summary
Systems and methods provide a notification of a connectivity problem of a video doorbell to a smartphone. A first communication link between the video doorbell and a backend server is determined unavailable, such as when a password used by the video doorbell to access a local area network (LAN) is not accepted by the LAN. A Bluetooth transceiver of the video doorbell is activated and a Bluetooth signal transmitted from the smartphone is detected. A second communication link between the video doorbell and the smartphone via the Bluetooth transceiver is established and a message is sent to the smartphone, via the Bluetooth transceiver, indicating that the password used by the video doorbell to access the LAN is not accepted by the LAN. The message causes an application running on the smartphone to display a notification on a display of the smartphone indicating the communication problem.