Slave Unit Delay Setting for Obstruction-Aware Radio Testing
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Solution Overview
Problem
Conventional radio communication systems with a slave unit and master unit lack a method to readily set the delay time for data transmission, which is crucial for accurate installation and communication, especially in environments where the transmission is affected by physical obstructions.
Innovation Solution
The radio communication system includes a slave unit with a transmission button that allows users to set the delay time by controlling the depression duration of the button, enabling the slave unit to change its transmission method and initiate communication only after a predetermined delay, ensuring optimal installation and data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the transmission of test radio wave is delayed until after door closure, then communication accuracy is improved, but operation complexity increases due to lack of clear delay setting method
Solution Approach 1:
The slave unit automatically determines the delay time based on its own installation environment detection, eliminating the need for manual delay setting by the user. The system serves itself by autonomously adjusting the delay parameter according to whether it detects obstruction during transmission testing.
Solution Approach 2:
The system implements a feedback mechanism where the slave unit transmits test radio waves, detects the presence of obstructions based on transmission results, and then adjusts the delay time accordingly. This closed-loop feedback process ensures communication accuracy while simplifying operation.
2Reliability
If delay time is set to accommodate door closure time, then communication reliability is improved, but transmission time increases
Solution Approach 1:
The delay time is made dynamic rather than fixed. The slave unit adjusts the delay time based on detected installation conditions - using a longer delay when obstruction is detected (door closure scenario) and a shorter delay when no obstruction is present, thus optimizing both reliability and transmission time.
Solution Approach 2:
The system changes the delay time parameter based on environmental detection results. By detecting obstruction during test transmission and adjusting the delay parameter accordingly, the system adapts to different installation scenarios, ensuring reliable communication while minimizing unnecessary time delays.
Data Source
AI summary
The invention provides a radio communication system allowing a user to readily set a delay time. The controller determines whether the test button was depressed and then determines how long the test button has been kept depressed. The depressed time is set as a delay time and stored in a memory. After a lapse of the set delay time, the controller starts a communication with a master unit, determines whether the installation site of the slave unit 10 is appropriate and notifies the determination. If a normal communication is recognized from the determination result, the user decides to install the slave unit to the tested installation site and terminates the test.