Bluetooth Device Association Using a Shared Private MAC Address
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Solution Overview
Problem
Existing industrial wireless remote control systems face challenges in efficiently associating diverse Bluetooth devices, such as operator control units (OCUs) with machine control units (MCUs), requiring complex programming and management that hinder seamless communication and operation.
Innovation Solution
A method involving the use of a shared private media access control (MAC) address, known to all devices, to initiate a learning interchange where devices exchange their unique public MAC addresses, allowing easy association without user intervention through pushbutton pairing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional Bluetooth pairing methods are used to associate OCUs with MCUs, then device association can be achieved, but the process requires complex programming and frequency management that increases system complexity and user burden
Solution Approach 1:
The patent introduces a shared private MAC address as an intermediary element that mediates the association process between OCU and MCU. This shared identifier acts as a common reference point that both devices use to establish their unique public MAC address associations, eliminating the need for complex programming and frequency management while simplifying the pairing process to basic button presses.
Solution Approach 2:
The patent implements preliminary action by pre-configuring a shared private MAC address in both the OCU and MCU before the actual association process. This pre-established common identifier enables the devices to automatically derive their unique public MAC addresses and establish associations without requiring real-time programming or complex user intervention during the pairing process.
2Productivity
If diverse Bluetooth devices are associated using standard protocols, then communication can be established, but the process requires user intervention and programming that reduces productivity and increases time consumption
Solution Approach 1:
The patent implements self-service by enabling the OCU and MCU to automatically perform the association process using their pre-configured shared private MAC address. The devices autonomously derive their unique public MAC addresses, establish associations, and configure communication parameters without requiring user programming or intervention, thereby significantly reducing association time and improving system configurability efficiency.
Solution Approach 2:
The patent applies preliminary action by pre-configuring the shared private MAC address in both devices during manufacturing or initial setup. This advance preparation enables rapid automatic association when the devices need to communicate, eliminating the time-consuming manual configuration process and allowing users to simply press buttons to initiate the pre-programmed association sequence.
3Reliability
If unique public MAC addresses are used for identification, then device individuality is maintained, but the association process becomes complex requiring programming input and address management
Solution Approach 1:
The patent uses the shared private MAC address as an intermediary that bridges the gap between maintaining unique device identification and simplifying association management. Both the OCU and MCU possess their unique public MAC addresses for reliable identification, but they use the shared private MAC address as a common reference point to automatically establish associations without requiring users to manually manage or program the unique addresses.
Solution Approach 2:
The patent implements preliminary action by pre-configuring the shared private MAC address that links the OCU and MCU. This pre-established common identifier enables the devices to automatically derive and associate their unique public MAC addresses without requiring user programming input, thereby maintaining device individuality for reliable identification while eliminating the complexity of address management for end users.
Data Source
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AI summary
An exemplary method relates to associating diverse devices each including a unique public media access control address (Public MAC address). In this exemplary embodiment, the method includes providing a plurality of devices with a shared private media access control address (Shared Private MAC address) such that the Shared Private MAC address is known to each of the devices and usable for initiating a learning interchange during which the devices exchange their unique Public MAC addresses with each other and are thereby associated with each other; and/or using a shared private media access control address (Shared Private MAC address) known to each of a plurality of devices to initiate a learning interchange that includes the devices exchanging their unique Public MAC addresses with each other and thereby associating the devices with each other.