Mixed Mesh Wireless Networking Protocol Bridge
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Solution Overview
Problem
Existing wireless networking technologies struggle to integrate multiple protocols and devices efficiently in a single communications network, particularly in smart grid systems, leading to inefficiencies and limitations in data transmission and management.
Innovation Solution
A mixed mesh wireless networking system that combines 802.11 and 802.15.4 protocols, utilizing Econet devices with integrated transceivers and processors to form a network that dynamically adjusts communication paths between Wi-Fi and ZigBee links, enabling seamless operation and redundancy across a smart grid network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple wireless protocols (802.11 and 802.15.4) are integrated into a single network, then network versatility and adaptability improve, but device complexity and difficulty of management increase
Solution Approach 1:
The patent employs protocol bridge devices that act as intermediaries between 802.11 (Wi-Fi) and 802.15.4 (ZigBee) networks. These bridge devices translate and forward messages between the two protocol types, enabling seamless communication without requiring end devices to support multiple protocols directly. This intermediary approach resolves the contradiction by maintaining protocol compatibility while avoiding the complexity of multi-protocol integration at every device.
Solution Approach 2:
The network architecture implements universal gateway devices capable of communicating with both 802.11 and 802.15.4 protocols simultaneously. These multi-functional gateways serve as common access points for devices using either protocol, allowing the network to support diverse device types without requiring each device to handle multiple protocols. This universality approach enables protocol compatibility while centralizing the complexity management at the gateway level.
2Reliability
If dynamic path selection between Wi-Fi and ZigBee links is implemented, then communication reliability improves, but processing requirements and system complexity increase
Solution Approach 1:
The patent implements dynamic routing where the network automatically selects between Wi-Fi and ZigBee communication paths based on real-time conditions such as link quality, traffic load, and device availability. The routing protocol monitors network state and dynamically adjusts message forwarding paths without requiring manual configuration or complex decision-making at end devices. This dynamic approach improves communication reliability by adapting to changing conditions while keeping the complexity manageable through automated, protocol-level routing logic.
Solution Approach 2:
The network employs feedback mechanisms where devices report link quality metrics, transmission success rates, and available bandwidth to the routing system. Based on this feedback, the routing protocol automatically adjusts path selection to favor more reliable links. This feedback-driven approach enhances communication reliability by continuously optimizing routes based on actual network conditions while maintaining relatively simple device implementations through standardized feedback protocols.
3Adaptability or versatility
If seamless integration of different wireless technologies is achieved, then network adaptability improves, but ease of operation and configuration decreases
Solution Approach 1:
The patent implements self-configuration capabilities where new devices automatically discover available network paths and configure themselves to communicate through appropriate gateways. When a device joins the network, it automatically detects whether to use direct Wi-Fi connection, ZigBee connection, or route through a protocol bridge based on its capabilities and network conditions. This self-service approach enables technology integration while simplifying operation, as devices autonomously handle the complexity of multi-protocol configuration without requiring manual intervention from users or administrators.
Data Source
AI summary
A mixed mesh networking system includes Wi-Fi devices, ZigBee end devices, and a mixed network communications device including a Wi-Fi transceiver and PCB, a ZigBee transceiver and PCB, and an antenna connector. The mixed network communications device communicates with another mixed network communication device via the Wi-Fi transceiver and PCB and the antenna connector, communicates with the plurality of ZigBee end devices via the ZigBee transceiver and PCB and the antenna connector, self-configures as an Internet access point after finding a path to the Internet or scan the another mixed network communication device via WiFi to find the Internet access point, and self-configures as a ZigBee coordinator or a ZigBee gateway after identifying the plurality of ZigBee end devices that are connected to the mixed network communications device via ZigBee communication. The mixed network communications device may be a separate device relative to the plurality of ZigBee end devices.