Short-Range Wireless Device Reconnection via White List Storage
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Solution Overview
Problem
Existing short-range wireless communication systems face challenges in establishing and re-establishing connections between devices without a control device, particularly in scenarios where initial connections are released and need to be re-established automatically.
Innovation Solution
A method involving the transmission of operation codes to store device addresses in white lists and determine roles for reconnection, allowing devices to autonomously re-establish connections based on power states and predefined codes, without continuous control device intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If Bluetooth devices use traditional connection establishment methods, then connections can be initially established, but devices cannot autonomously re-establish connections after disconnection without control device intervention
Solution Approach 1:
The patent applies preliminary action by having devices store each other's addresses in white lists and pre-configure operation codes during the initial connection phase. This allows devices to autonomously re-establish connections without requiring control device intervention later, as all necessary information is prepared in advance.
Solution Approach 2:
The patent implements self-service by enabling devices to automatically detect and re-establish connections using stored white list addresses and operation codes. The devices serve themselves by autonomously initiating reconnection procedures without external control, eliminating the need for manual pairing or control device mediation.
2Reliability
If control device continuously manages connections between devices, then connection establishment is reliable, but system complexity and control device resource consumption increase
Solution Approach 1:
The patent extracts the connection management functionality from the control device and embeds it directly into the communicating devices themselves. Each device stores white lists and operation codes locally, taking out the reconnection logic from external control and enabling autonomous operation without continuous control device involvement.
Solution Approach 2:
By enabling devices to self-manage their connections through stored white list information and operation codes, the system eliminates the need for continuous control device intervention. This self-service approach reduces system complexity and control device resource consumption while maintaining connection reliability.
3Reliability
If devices store complete connection information for all possible reconnections, then reconnection reliability improves, but memory consumption and data management complexity increase
Solution Approach 1:
The patent makes the white list and operation code structures universal by designing them to handle multiple connection scenarios with a single data structure. The operation codes encode multiple functions (different connection types, power states, roles) within compact bit fields, allowing the same stored information to serve various reconnection needs without requiring separate storage for each scenario.
Data Source
AI summary
A method for a control device to control a connection between a first device and a second device using short-range wireless communication, the method comprising: transmitting, to the first device, a first message including a first operation code for reconnection after an initial connection between the first device and the second device is established, wherein the first operation code includes a first code instructing storage of an address of the second device in a first white list including addresses of devices connected to the first device at least once; transmitting, to the second device, a second message including a second operation code for the reconnection, wherein the second operation code includes a second code instructing storage of an address of the first device in a second white list including addresses of devices connected to the second device at least once; and instructing the first device and the second device to form a connection between the first device and the second device, wherein each of the first white list and the second white list includes addresses of devices connected without the control device when a connection is released after the initial connection.