Wireless ID Transceiver Calibration for Cross-Reception Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless ID location determination systems face issues with cross-receptions between adjacent areas, leading to incorrect asset location identification due to overlapping wireless signal reception areas, which can cause inventory problems and unnecessary rework.
Innovation Solution
A method and system for calibrating wireless ID transceivers or receivers by adjusting configuration parameters such as signal transmitter power, modulation selection, and receiver sensitivity thresholds, using test tags to ensure that only data from tags within the designated area is received, thereby preventing cross-receptions between adjacent systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wireless signal transmission power is increased to improve reading reliability, then tag detection reliability improves, but cross-reception between adjacent areas worsens
Solution Approach 1:
The system dynamically adjusts transmission power parameters and receiver sensitivity thresholds based on calibration data to optimize the balance between detection reliability and cross-reception prevention. Different power levels are used in different operational contexts.
Solution Approach 2:
The system performs preliminary calibration using test tags to establish optimal configuration parameters before actual operation. This preliminary action prevents cross-reception issues from occurring during normal operation.
2Measurement precision
If receiver sensitivity threshold is decreased to improve tag detection accuracy, then measurement precision improves, but cross-reception from adjacent areas worsens
Solution Approach 1:
The system optimizes receiver sensitivity thresholds through calibration processes, finding the optimal balance point that achieves sufficient detection precision while rejecting signals from adjacent areas. The threshold is set as a calibrated parameter rather than using default values.
3Adaptability or versatility
If multiple wireless ID location determination systems are installed in adjacent areas to improve asset tracking coverage, then system versatility improves, but cross-reception between systems worsens
Solution Approach 1:
Each system performs preliminary calibration with test tags in its specific installation environment before being activated. This establishes system-specific configuration parameters that account for the physical layout and prevent cross-reception issues before they occur.
Solution Approach 2:
The calibration process tailors the configuration parameters to each specific installation location and environment. Each system is optimized for its local conditions rather than using uniform settings, allowing dense deployment without cross-reception.
4Object-generated harmful factors
If manual calibration of each wireless ID system is performed to prevent cross-reception, then cross-reception prevention improves, but system complexity and time consumption worsen
Solution Approach 1:
The system performs self-calibration using test tags and automated procedures to establish its own optimal configuration parameters. This eliminates the need for extensive manual calibration while achieving the same cross-reception prevention效果.
Solution Approach 2:
The system automatically determines optimal configuration parameters through calibration algorithms that analyze test tag responses and adjust settings accordingly. This automated parameter optimization replaces manual trial-and-error calibration.
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
A system and method is described for automated system health status determination, performance calibration, and configuration of a plurality of wireless identification (wireless ID) transceivers (or receivers) to prevent cross-receptions of wireless ID tags in adjacent wireless signal reception areas. Test wireless ID tags are positioned within the wireless signal reception area associated with each of the wireless ID antennas. The configuration parameters for each wireless ID transceiver are adjusted until only data from test wireless ID tags within the wireless signal reception area of the wireless ID antennas associated with that wireless ID transceiver are received by that wireless ID transceiver. Each wireless ID transceiver is configured with the configuration parameters that result in only data from the test wireless ID tags within the wireless signal reception area of the wireless ID antennas associated with that test wireless ID transceiver being received by that wireless ID transceiver.