Displaceable Antenna Elements for Intermediate-Field Interference Mitigation
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Solution Overview
Problem
Current antenna technologies face challenges in effectively detecting and mitigating interference and passive intermodulation (PIM) in wireless communication systems, particularly in the intermediate field region, which affects the performance of 5G networks and future generations by impacting signal quality and data speeds.
Innovation Solution
The implementation of an interference/PIM cancellation system that detects interference in the intermediate field region and mitigates it through polarization adjusting and phase shifting/delaying of antenna elements, using mechanisms such as physical rotation, shifting, and signal processing to minimize interference impact across various field regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If antenna elements are physically rotated or shifted to mitigate interference, then interference mitigation performance is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The antenna elements are made physically adjustable through rotation and shifting mechanisms, allowing the antenna structure to dynamically change its configuration in response to detected interference conditions. This enables the system to adaptively optimize performance by repositioning elements to create nulls in interference directions while maintaining structural integrity through controlled mechanical movement.
Solution Approach 2:
The patent changes physical parameters of the antenna elements including their positions, orientations, and spacings to optimize interference mitigation. By adjusting these geometric parameters based on detected interference characteristics, the system can dynamically reconfigure the antenna pattern to suppress interference while maintaining desired signal reception.
2Reliability
If multiple antenna elements are adjusted for interference cancellation, then signal-to-interference ratio is improved, but ease of operation and control complexity increase
Solution Approach 1:
The system continuously monitors the electromagnetic environment for interference signals and uses this feedback to automatically adjust the positions and orientations of antenna elements. The control system processes detected interference characteristics and generates appropriate adjustment commands, creating a closed-loop system that autonomously optimizes interference mitigation without requiring manual intervention.
Solution Approach 2:
The antenna system performs self-adjustment by automatically detecting interference conditions and reconfiguring its own elements accordingly. The system serves itself by autonomously optimizing its performance through self-directed physical adjustments, eliminating the need for external control or manual operation while maintaining optimal interference cancellation.
3Reliability
If antenna structures are physically displaced to mitigate interference, then uplink performance is improved, but manufacturing precision requirements increase
Solution Approach 1:
Rather than requiring extremely precise fixed positioning, the system uses dynamic adjustment mechanisms that allow antenna elements to be repositioned after manufacturing. This approach trades manufacturing precision for operational flexibility, where standard-positioned elements can be adjusted to precise positions during operation to achieve optimal interference mitigation performance.
Solution Approach 2:
The system performs preliminary positioning during the manufacturing and installation phase, establishing baseline positions for antenna elements. Subsequent fine-tuning and precise positioning are then achieved through controlled physical adjustment mechanisms during operation, separating the rough positioning (done during manufacturing) from the precise positioning (done during operation).
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances the signal-to-interference-plus-noise ratio (SINR) and improves uplink performance by selectively canceling interference, thereby optimizing antenna performance in both near-field and far-field regions without significantly impacting downlink signals.
Implementation Method 1
performing phase adjusting by causing a structure of one or more radiating elements of the antenna system to be displaced along an axis of the antenna system such that the interference is minimized
Implementation Method 2
obtaining data regarding interference present in a received communication signal
Data Source
AI summary
Aspects of the subject disclosure may include, for example, obtaining data regarding interference detected in a received communication signal, and performing phase adjusting for one or more radiating elements of an antenna system such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.