Corner-Reflector Base Station Antennas for Omnidirectional UAV Links
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Solution Overview
Problem
Existing base station designs face challenges in achieving omnidirectional signal coverage while maintaining a miniaturized form factor, especially when communicating with unmanned aerial vehicles at long distances, as they require large antennas to ensure continuous communication.
Innovation Solution
A base station design featuring a metal body with at least two antennas oriented in different directions, each positioned at corner parts to reflect signals and combine coverage, connected to a switching component that ensures only the antenna with the strongest signal is active, reducing energy consumption and size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the antenna is designed to achieve omnidirectional signal coverage, then the signal coverage is improved, but the size of the antenna needs to be designed long which is not beneficial for miniaturization design of the base station
Solution Approach 1:
The patent divides the omnidirectional coverage function into multiple directional antennas (at least two antennas oriented in different directions). Each antenna covers a specific direction, and together they provide comprehensive coverage. This segmentation allows each antenna to be smaller while achieving the same overall coverage as a single large omnidirectional antenna.
Solution Approach 2:
The patent combines multiple directional antennas to achieve omnidirectional coverage. By merging the coverage areas of multiple smaller antennas positioned at different orientations, the system achieves the same effect as a single large antenna but with reduced individual component sizes and overall system flexibility.
2Adaptability or versatility
If multiple antennas are used to achieve omnidirectional coverage, then the signal coverage is improved, but the device complexity increases
Solution Approach 1:
The patent employs a switching component that dynamically selects which antenna to activate based on real-time signal strength conditions. This dynamic operation allows the system to use multiple antennas for coverage while maintaining simplicity by only activating the necessary antenna at any given moment, rather than operating all antennas simultaneously.
Solution Approach 2:
The system changes operational parameters (which antenna is active) based on signal strength conditions. The switching component monitors signal quality and adjusts the active antenna configuration accordingly, allowing the system to adapt to different communication scenarios while maintaining manageable complexity through parameter adjustment rather than 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
This design achieves omnidirectional signal coverage on a horizontal plane while minimizing the size and energy usage of the base station, ensuring continuous communication with unmanned aerial vehicles.
Implementation Method 1
the corner part of the antenna is configured to reflect a signal radiated by the antenna
Data Source
AI summary
Embodiments of the present disclosure relate to the field of wireless communication technologies. A base station is disclosed, including a metal body, at least two antennas and a switching component. The metal body is provided with at least two corner parts and the at least two corner parts are oriented in different directions. One antenna is disposed at a corner part and the corner part is configured to reflect a signal radiated by the antenna to enable a combination of directions of signals radiated by the at least two antennas to cover all directions on a horizontal plane. The at least two antennas are all connected to the switching component to enable an antenna with a strongest signal among the at least two antennas to work.