Dynamic Medium Switching for Hybrid Smart Grid Networks
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Solution Overview
Problem
Conventional smart grid networks face challenges in reliably and efficiently transmitting data packets across hybrid networks, as they lack a dynamic mechanism to select the optimal communication medium based on channel conditions, leading to suboptimal performance and increased retransmissions.
Innovation Solution
The Dynamic Medium Switching Algorithm (DMSA) is implemented in combo nodes, which determine and maintain confidence ratings for both wired and wireless networks, select the most reliable network for initial transmission, and adjust retransmission attempts based on these ratings, dynamically switching between mediums until successful data transfer is achieved.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional smart grid networks use fixed communication medium selection, then network configuration is simple, but packet delivery reliability decreases and retransmissions increase
Solution Approach 1:
The patent implements dynamic medium switching by continuously monitoring channel conditions (signal strength, interference levels) and automatically selecting between wired and wireless networks based on real-time performance metrics. This dynamic adaptation resolves the contradiction by making the network selection flexible and responsive to changing conditions, thereby improving packet delivery reliability without requiring complex manual reconfiguration.
Solution Approach 2:
The system employs feedback mechanisms where combo nodes monitor transmission success rates, signal quality, and network performance metrics, then use this information to adjust future network selections. The feedback loop continuously refines medium selection decisions based on actual performance data, resolving the reliability-complexity contradiction by enabling automatic optimization without complex user intervention.
2Productivity
If networks without dynamic switching are used, then system configuration is simple, but throughput and transmission efficiency deteriorate
Solution Approach 1:
The patent performs preliminary actions by pre-configuring multiple networks (wired and wireless) with different performance characteristics and pre-establishing selection criteria based on historical performance data. This preliminary preparation enables rapid, informed decisions during actual transmission, improving throughput without requiring complex real-time calculations or configurations.
Solution Approach 2:
The system dynamically changes selection parameters such as signal strength thresholds, packet loss rates, and transmission timing based on current channel conditions. By adjusting these parameters adaptively, the system optimizes throughput for varying network conditions while maintaining manageable complexity through automated parameter tuning rather than complex algorithms.
3Reliability
If fixed transmission medium is used, then implementation is simple, but retransmission rate increases
Solution Approach 1:
The patent implements skipping by rapidly switching between transmission media when detecting transmission failures or poor channel conditions. Instead of persisting with a failing wired connection or wireless signal, the system quickly skips to the alternative medium, reducing the time spent on unsuccessful retransmissions and improving overall transmission success rate.
Solution Approach 2:
The system employs periodic monitoring and evaluation of channel conditions, performing transmission attempts in periodic cycles with built-in retransmission logic. This periodic action structure allows the system to systematically handle retransmissions by alternating between different media in a structured manner, reducing unnecessary retransmission time while maintaining high reliability.
Data Source
AI summary
Devices, systems, and computer-readable mediums are provided for dynamically switching networks in a multi-network arrangement. A system includes multiple networks; and a node common to the multiple networks. The node includes network rating circuitry configured to determine and maintain a confidence rating value on each network of multiple networks; retransmission circuitry configured to determine a maximum number of retransmission attempts allowed on each network of the multiple networks; and network selection circuitry configured to select, based on the confidence rating values of the multiple networks, a first network of the multiple networks for transmitting a packet.