Beamforming Antenna Assembly for Remote Roll Angle Adjustment
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Solution Overview
Problem
Adjusting the roll angle of mobile antennas is complex and dangerous due to the need for manual mechanical adjustments at heights, which affects precision and safety.
Innovation Solution
An antenna assembly with a phase shifter and switching assembly that allows for remote adjustment of roll angles by controlling the on/off states of element groups, eliminating the need for mechanical adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual mechanical adjustment is used to change roll angle, then the antenna can be adjusted, but the operation becomes complex and dangerous due to working at heights
Solution Approach 1:
The patent replaces the manual mechanical adjustment system with an electronic control system. The phase shifter and switching assembly electronically adjust the roll angle by controlling signal phases and element group switching, eliminating the need for manual mechanical operations at heights. This substitution resolves the contradiction by maintaining adjustment capability while removing the safety hazards and operational complexity of manual mechanical adjustment.
2Measurement precision
If mechanical adjustment structure is used, then roll angle can be changed, but the adjustment precision is limited by manual operation
Solution Approach 1:
The patent replaces manual mechanical adjustment with an electronic control system comprising a phase shifter and switching assembly. The phase shifter can precisely control signal phases in small increments, and the switching assembly can selectively activate different element groups to achieve precise roll angle adjustments. This electronic system provides superior precision compared to manual mechanical operations while reducing operational complexity through automated control.
Solution Approach 2:
The patent changes the adjustment mechanism from mechanical position changes to electromagnetic parameter changes. By controlling the phase shift values and element group switching states, the system achieves roll angle adjustment through parameter modification rather than physical movement. This approach enables finer control resolution and more precise angle setting while simplifying the adjustment process.
3Area of stationary object
If multiple element groups are used for beamforming, then coverage area increases, but device complexity increases
Solution Approach 1:
The patent divides the antenna array into multiple independent element groups that can be selectively activated. Each element group can be controlled independently by the switching assembly, allowing the system to form multiple beams covering different areas. This segmentation enables expanded coverage by activating appropriate element groups while managing complexity through modular control architecture.
Solution Approach 2:
The patent implements dynamic switching between different element groups based on coverage requirements. The switching assembly can dynamically activate or deactivate specific element groups to adapt the beamforming pattern to different service scenarios. This dynamic capability allows the system to expand coverage area as needed while maintaining manageable complexity through software-controlled switching rather than permanent structural complexity.
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
Simplifies and enhances the precision of roll angle adjustments, reduces operator risk by allowing remote operation, and optimizes network performance and signal strength.
Implementation Method 1
a phase shifter, where the phase shifter is communicatively connected to the switching assembly, and is configured to perform beamforming on the antenna assembly
Data Source
AI summary
An antenna assembly includes at least one element group, a switching assembly and a phase shifter. Each element group of the at least one element group includes at least one radiating element. The switching assembly is communicatively connected to the at least one element group, and is configured to control turning on or off of the at least one element group. The phase shifter is communicatively connected to the switching assembly, and is configured to perform beamforming on the antenna assembly. Roll angles of the antenna assembly are different in response to the switching assembly turning on different element groups of the at least one element group.