PLC Wi-Fi Provisioning Over Power Lines for Smart Device Setup
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The cumbersome and time-consuming process of network distribution for smart devices, requiring manual input and connection to a single device at a time, is inefficient and inconvenient for users, especially those unfamiliar with the process.
Innovation Solution
A network distribution method utilizing Power Line Communication (PLC) to automatically acquire and apply Wi-Fi configuration information through a power line, enabling simultaneous connection and control of multiple smart devices without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual network distribution is performed for each smart device one at a time, then network configuration can be achieved, but the process becomes cumbersome and time-consuming
Solution Approach 1:
The parent device pre-processes and stores Wi-Fi configuration information (SSID, password, etc.) before distribution. When a sub-device connects to the power line, it automatically receives the pre-prepared configuration data without requiring manual user input for each device, thus resolving the contradiction between ease of operation and time consumption.
Solution Approach 2:
The network distribution process is automated through the power line communication system. Sub-devices automatically acquire Wi-Fi configuration information from the parent device via the power line without user intervention. The system performs self-service by handling configuration distribution, authentication key generation, and network setup automatically, eliminating the need for repetitive manual operations.
2Extent of automation
If automated PLC-based network distribution is implemented, then user effort is reduced, but system complexity increases
Solution Approach 1:
The parent device serves multiple functions: it acts as a Wi-Fi router, a PLC communication node, an authentication server, and a configuration distribution server. By consolidating these functions into a single device, the system achieves high automation without proportionally increasing overall system complexity, as the parent device leverages existing multi-functional capabilities.
Solution Approach 2:
The power line communication system serves as an intermediary channel between the parent device and sub-devices for transmitting authentication keys and configuration data. This intermediary approach enables automated network distribution without requiring direct complex interactions between multiple devices, simplifying the control architecture while maintaining high automation.
3Productivity
If multiple devices are connected simultaneously through PLC, then distribution efficiency improves, but communication reliability may deteriorate
Solution Approach 1:
The parent device pre-generates and stores authentication keys and Wi-Fi configuration information before distribution. When multiple sub-devices connect simultaneously, they all receive pre-prepared configuration data, ensuring consistent and reliable network setup. This preliminary preparation eliminates the need for sequential configuration, improving productivity while maintaining reliability through pre-validated configuration data.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Simplifies network distribution by allowing automatic connection of smart devices to a network through power lines, reducing user effort and ensuring efficient, reliable, and unified management of multiple devices.
Implementation Method 1
acquiring Wi-Fi configuration information from a PLC parent device through a power line
Implementation Method 2
sending status change information to the PLC parent device; receiving a control instruction issued by the PLC parent device through the power line
Data Source
Figure 1~3
Figure 4~6
Figure 7
AI summary
A network distribution method applied to a Power Line Communication (PLC) sub-device includes: acquiring Wi-Fi configuration information from a PLC parent device through a power line in response to the PLC sub-device to be distributed accessing the power line; and performing Wi-Fi configuration on the PLC sub-device based on the configuration information. By connecting the power line, the PLC parent device sends the Wi-Fi configuration information to the PLC sub-device to be distributed, and the PLC sub-device performs network distribution based on the Wi-Fi configuration information and the router, thereby simplifying the network distribution process of the smart devices, the user only needs to electrically connect the PLC sub-device to be distributed to the power line through the socket to implement the network distribution process.