Mesh Slave Routing with Dual-Protocol Master Node Selection

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Solution Overview

Problem

Existing communication systems in wireless mesh networks struggle to select the most preferable communication system when both communication units capable of using multiple types of systems and those capable of using only one type coexist, necessitating a solution to enhance data collection efficiency and bandwidth.

Innovation Solution

A slave unit equipped with a protocol decision unit to calculate a second rank value using a second protocol, allowing selection of a more preferable communication system by determining a master node based on this rank value, and transmitting a notification message to a master unit.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a first protocol is used to calculate route information in wireless mesh networks, then routing functionality is provided, but it becomes difficult to select the most preferable communication system when multiple communication systems coexist

Engineering Contradiction:
Improvecommunication system selection capabilityVSAvoidprotocol processing complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent segments the routing protocol into two distinct protocols: a first protocol for basic routing functionality and a second protocol for communication system preference evaluation. This segmentation allows the system to maintain basic routing operations while adding specialized capability for selecting among multiple communication systems without conflating the two functions.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces rank information as an intermediary parameter that mediates between multiple communication systems. The rank information serves as a comparative metric that enables the slave unit to evaluate and select the most preferable communication system among alternatives, acting as a neutral basis for comparison across different protocol types.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If existing communication systems are used, then basic data collection is maintained, but data collection efficiency and bandwidth are limited

Engineering Contradiction:
Improvedata collection efficiencyVSAvoidcommunication bandwidth
Core Design Contradiction:
ProductivityVSQuantity of substance

Solution Approach 1:

The patent implements dynamic communication system selection by continuously evaluating rank information from multiple sources. The slave unit can adaptively switch between different communication systems based on current network conditions and rank comparisons, enabling the system to optimize data collection efficiency and bandwidth utilization in real-time rather than being fixed to a single protocol.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20260019918A1Slave unit, master unit, and communication system
Publication Date: 2026.01.15 MITSUBISHI ELECTRIC CORP
  • US20260019918A1 patent drawing
  • US20260019918A1 patent drawing
  • US20260019918A1 patent drawing

AI summary

In a slave unit connected to a wireless mesh network, a second communication device (200) that receives a control message from a neighboring node, a protocol decision unit (330) that decides whether to process the control message with a first protocol or a second protocol, and an upward route construction unit (360) that calculates a first rank value in accordance with the first protocol and a second rank value in accordance with the second protocol using the route information contained in the control message, selects a master node from the neighboring nodes based on the first rank value and the second rank value, and records the ID of the master node in a routing table (902).