Transceiver Load Impedance Variation Detection via Loopback Comparison
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Solution Overview
Problem
Conventional techniques for assessing connectivity in wireless communications devices are limited in detecting interruptions between transceivers and antennas, lacking efficiency in identifying operational issues without additional hardware.
Innovation Solution
The method involves detecting variations in load impedances by comparing digital loopback and RF loopback path distortions, utilizing existing transceiver components to verify connectivity and operation without requiring additional hardware, and generating notification messages for connectivity issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional techniques are used to assess connectivity, then the system structure remains simple, but the ability to detect interruptions between transceivers and antennas is insufficient
Solution Approach 1:
The transceiver uses its own existing components (digital loopback path and RF loopback path) to detect connectivity issues with the antenna. The system performs self-diagnosis by comparing signals through different paths without requiring external detection equipment, thereby improving reliability while avoiding additional hardware complexity
Solution Approach 2:
The patent introduces a comparison mechanism that acts as an intermediary between the digital loopback path and RF loopback path. By comparing the characteristics of signals traveling through these two different paths, the system can detect antenna connectivity issues without directly adding detection hardware to the antenna interface
2Measurement precision
If additional hardware is added to detect connectivity issues, then detection precision improves, but device complexity increases
Solution Approach 1:
The transceiver leverages its own built-in digital loopback and RF loopback paths to perform connectivity detection. By using existing internal resources rather than adding external detection equipment, the system achieves precise antenna connectivity detection without increasing hardware complexity
Solution Approach 2:
The patent creates a digital copy of the RF signal path through the digital loopback path. By comparing the digital copy with the actual RF path signal characteristics, the system can precisely detect connectivity interruptions without adding physical detection hardware to the antenna interface
Data Source
AI summary
Systems, methods, and devices detect variations in load impedances of wireless communications devices. Methods include determining a first distortion measurement of a transceiver based on a first comparison of a digital loopback path and a radio frequency (RF) loopback path, and determining a second distortion measurement of the transceiver based on a second comparison of the digital loopback path and the RF loopback path. Methods also include implementing, using a processor, a third comparison of the first distortion measurement and the second distortion measurement, and determining if there is a change in a load of the transceiver based on the third comparison.