BLE Advertising Message Segmentation for Direct Home Appliance Links
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Solution Overview
Problem
The increasing number of connected home appliances leads to exponential data processing demands on internet networks and servers, necessitating a more efficient method for direct communication among appliances without authentication processes.
Innovation Solution
Home appliances utilize Bluetooth Low Energy (BLE) advertising to transmit and receive messages through BLE advertising packets and scan response data packets, dividing messages into sub-transmission messages to fit within limited data areas, enabling direct device-to-device communication without channel establishment or authentication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If home appliances communicate through a server using internet network, then centralized control and data processing are achieved, but server costs increase exponentially and network data processing load increases
Solution Approach 1:
The patent segments the communication architecture by dividing appliances into advertiser groups that can communicate directly with each other without requiring centralized server processing. Each appliance becomes an independent node that can send and receive messages autonomously, eliminating the need for expensive server infrastructure while maintaining reliable communication through structured advertising packets.
2Adaptability or versatility
If direct communication among home appliances is implemented, then server costs are reduced and application scenarios are expanded, but authentication processes restrict device usage
Solution Approach 1:
The patent extracts the authentication requirement from the communication process by utilizing BLE advertising's inherent broadcast capability. Appliances can directly communicate by sending and receiving advertising packets without undergoing complex authentication procedures, thereby simplifying device usage while expanding applicable scenarios.
3Ease of operation
If message transmission is implemented without authentication, then device usability is improved and server dependency is reduced, but data security and message integrity may be compromised
Solution Approach 1:
The patent implements preliminary actions by structuring advertising packets with dedicated fields for message data, packet counters, and sequence information. This pre-organized structure enables reliable message transmission and tracking without requiring post-transmission authentication, maintaining data integrity through inherent packet design rather than security protocols.
Data Source
AI summary
A method of transmitting a message by a home appliance includes generating a transmission message, generating one or more sub-transmission messages from the transmission message based on a limited length of a scan response data packet of Bluetooth low energy (BLE) advertising, transmitting a BLE advertising packet including header information of the transmission message, and transmitting one or more scan response data packets respectively including the one or more sub-transmission messages.