Wireless Reader Proximity Control for Dynamic Parameter Adjustment
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Solution Overview
Problem
Current wireless technologies lack the ability to dynamically adjust operational parameters such as interrogation rates, transmission powers, and reporting rates based on the proximity of wireless reader devices to wireless electronic circuits, limiting their effectiveness in varying environments and security levels.
Innovation Solution
Implementing a method to control operational parameters of wireless reader devices and other devices like sensors or imaging devices based on their proximity to wireless electronic circuits, using techniques such as interrogation range determination, signal strength analysis, and reverse RFID systems to adjust settings like interrogation rates, transmission powers, and reporting rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the wireless reader device uses a fixed operational parameter (e.g., constant interrogation rate), then the device operation is simple, but the system cannot adapt to varying proximity conditions and security levels
Solution Approach 1:
The patent implements dynamic adjustment of operational parameters (interrogation rate, transmission power, reporting rate) based on the detected proximity of wireless electronic circuits. The reader device transitions from static fixed parameters to dynamic parameters that automatically adapt to changing operational conditions, resolving the contradiction between adaptability and complexity.
Solution Approach 2:
The system uses feedback from proximity detection to automatically adjust operational parameters. The reader device detects the presence and proximity of wireless electronic circuits and responds by modifying its interrogation rate, transmission power, and reporting rate, creating a closed-loop control system that adapts to conditions without manual intervention.
2Productivity
If the wireless reader device transmits interrogation signals at a high rate continuously, then data collection efficiency is improved, but energy consumption increases
Solution Approach 1:
The patent implements periodic adjustment of interrogation signal transmission based on proximity detection. Instead of continuous high-rate transmission, the system periodically adjusts its interrogation rate according to the detected proximity of wireless electronic circuits, maintaining high data collection efficiency when needed while reducing energy consumption during low-risk periods.
Solution Approach 2:
The system dynamically changes operational parameters including interrogation rate and transmission power based on proximity conditions. When wireless electronic circuits are detected at close range, the system increases interrogation rate and transmission power for efficient data collection. When circuits are distant or not detected, the system reduces these parameters to conserve energy.
3Reliability
If the wireless reader device increases transmission power for security, then security level is improved, but the interrogation range decreases
Solution Approach 1:
The patent implements dynamic adjustment of transmission power based on proximity detection. The system transitions from static fixed transmission power to dynamic power levels that adapt to operational conditions, allowing high security transmission when circuits are close while maintaining extended interrogation range when circuits are distant.
Solution Approach 2:
The system dynamically changes transmission power and interrogation range parameters based on proximity conditions. When wireless electronic circuits are detected at close range, the system increases transmission power for enhanced security. When circuits are not detected or are distant, the system reduces transmission power to maintain maximum interrogation range.
Data Source
AI summary
A method is disclosed for controlling operational parameters of a wireless reader device and/or one or more other devices based on proximity of the wireless reader device to a wireless electronic circuit. At a first location, the wireless reader device and/or the one or more other devices are controlled based on a first operational parameter. At a second location, interrogation signals are transmitted from the wireless reader device, and response signals are received at the wireless reader device. The response signals are transmitted from the wireless electronic circuit in response to receiving the interrogation signals from the wireless reader device. The response signals convey a control parameter to the wireless reader device that is associated with a second operational parameter. Thereafter, the wireless reader device and/or the one or more other devices are controlled based on the second operational parameter.