Power Line Network Stability via Wireless Agent Fallback
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Solution Overview
Problem
Power Line Communication networks are prone to degradation and breakdown due to interference from electrical appliances, leading to a negative user experience and instability in the network.
Innovation Solution
A power line transmission system and method that utilizes a wireless network function to maintain the power line network by selecting an agent device from slave power line devices in a broken section and connecting them via wireless transmission devices to non-broken sections, ensuring continuous operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If Power Line Communication is used to transmit signals through power lines, then data transmission between home network devices is enabled, but the network quality deteriorates due to interference from electrical appliances
Solution Approach 1:
The patent introduces a gateway device as an intermediary between the power line network and the wireless network. When the power line network is broken due to electrical interference, the gateway provides an alternative transmission path through wireless communication, mediating the connection between affected devices and the network, thus maintaining network reliability while preserving data transmission capability
Solution Approach 2:
The system dynamically changes the transmission medium parameter from power line communication to wireless communication when interference is detected. By monitoring network quality and switching transmission modes, the system adapts to varying interference conditions, maintaining reliable data transmission despite the presence of electrical appliances
2Device complexity
If the power line network is used for communication, then existing power lines can be utilized for data transmission, but the network becomes prone to breaking due to electrical interference
Solution Approach 1:
The gateway device is designed with multi-functionality, serving both as a power line network interface and a wireless network access point. This universal device can operate in either transmission mode depending on network conditions, allowing the system to use existing power lines when available while providing wireless fallback, thus maintaining network continuity without adding complex infrastructure
Solution Approach 2:
The system prepares alternative wireless transmission paths in advance through the gateway device before power line failures occur. By having the wireless capability pre-configured and ready, the system can quickly switch to the backup path when electrical interference causes power line network breakdown, cushioning against the reliability issue while maintaining the simple power line infrastructure
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
The system effectively maintains the power line network's stability by establishing a wireless link between slave devices in non-broken sections, preventing network breakdowns caused by electrical interference and restoring normal operation when the broken section is recovered.
Implementation Method 1
a wireless transmission device, a processor and a power line network device
Data Source
AI summary
A power line method and system are provided. The power line transmission method is applicable to a power line network, where the power line network includes a main power line device configured to connect a cable network, and a plurality of slave power line devices configured to receive the power line network provided by the main power line device. The power line transmission method includes the steps of selecting an agent device from the slave power line devices located in a section where the power line network is broken and maintaining the power line network by connecting the slave power line devices located in the non-broken section of the power line network to the agent device through a wireless network function provided by the agent device.