Dual-Mode Protocol Stack Scheduling for Bluetooth and ZigBee Interoperability
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Solution Overview
Problem
Current Smart Home devices face low interoperability due to different wireless standards, limiting their promotion and application, as they struggle to efficiently communicate between Bluetooth and ZigBee devices.
Innovation Solution
A dual-mode device with a dual-mode protocol stack scheduling mechanism that schedules transmission events for both Bluetooth and ZigBee protocol stacks, allowing for seamless information exchange during Bluetooth low power consumption connection intervals, ensuring almost no interruption in Bluetooth communication and improving network communication efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple wireless standards (Bluetooth, WiFi, ZigBee) are used in Smart Home devices, then communication versatility is improved, but interoperability between devices from different manufacturers deteriorates due to protocol incompatibility
Solution Approach 1:
The patent implements a dual-mode device that integrates both Bluetooth and ZigBee communication capabilities within a single device. The device includes separate protocol stacks for each standard, allowing it to function as both a Bluetooth device and a ZigBee device, thereby achieving multi-functionality and improving interoperability across different wireless standards
Solution Approach 2:
The patent introduces a protocol conversion mechanism that acts as an intermediary between Bluetooth and ZigBee protocols. When communication is needed between devices using different standards, the dual-mode device converts messages from one protocol format to another, enabling seamless interoperability between Bluetooth and ZigBee devices from different manufacturers
2Reliability
If Bluetooth connection maintenance is performed at fixed intervals, then connection stability is improved, but communication efficiency deteriorates due to idle time when no data needs to be transmitted
Solution Approach 1:
The patent implements a dynamic connection maintenance mechanism that adjusts the timing and frequency of Bluetooth connection events based on actual communication needs. Instead of using fixed intervals, the system monitors data transmission requirements and schedules connection events dynamically, maintaining connection stability while eliminating idle maintenance periods when no data needs to be transmitted
Solution Approach 2:
The patent uses periodic connection events with configurable intervals to maintain Bluetooth connections. The system can adjust the periodicity of connection events based on traffic patterns and quality requirements, performing connection maintenance at optimal intervals rather than rigid fixed schedules, thereby improving communication efficiency while preserving connection stability
3Use of energy by moving object
If Bluetooth low power consumption mode is used, then energy efficiency is improved, but communication responsiveness deteriorates due to longer wake-up and transmission delays
Solution Approach 1:
The patent implements a preliminary action mechanism where the dual-mode device performs proactive connection maintenance and data buffering before entering low-power mode. By anticipating communication needs and preparing data in advance during active periods, the system can quickly resume communication when waking from low-power state, reducing actual wake-up and transmission delays while maintaining energy efficiency
Solution Approach 2:
The patent applies partial action by selectively maintaining Bluetooth connections only when necessary for data transmission, rather than keeping all connections continuously active. The system monitors communication requirements and activates Bluetooth connections partially - only when there is actual data to transmit or receive - thereby achieving energy efficiency without significantly compromising communication responsiveness for time-critical applications
Data Source
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AI summary
The present disclosure relates to the electronic communication field and discloses a dual-Mode device and a method for achieving the simultaneous communication therein. The dual-mode device has a dual-mode protocol stack scheduling mechanism and uniformly schedules the transmission event of the Bluetooth protocol stack and the ZigBee protocol stack. The method comprising the following steps: after matching the dual-mode device with a Bluetooth host as a slave and the ZigBee target device as a control device, the dual-mode device conducting the Bluetooth connection maintenance according to preset interval and processing the information exchange with the ZigBee target device at each Bluetooth connection interval. Compared to the prior art, the present disclosure allows the smart devices to support two types of communication protocols, achieves the interaction between the smart devices using the two different wireless standards, and greatly improves the communication efficiency of network with the Bluetooth and ZigBee devices.