Reconfigurable Wireless Antenna for Orientation-Independent Links
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Solution Overview
Problem
Wireless communication systems face challenges in maintaining effective communication due to varying antenna orientations and polarizations, leading to successful communication only when aligned in specific directions and polarizations, while misalignment results in significant signal suppression.
Innovation Solution
A wireless communication system integrated with a sensor to determine orientation, an antenna capable of switching configurations, and a switching unit to adjust antenna gain and polarization based on orientation, ensuring consistent communication across different orientations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the antenna is fixed in a specific orientation, then the antenna gain and polarization are optimized for that direction, but communication fails when the system orientation changes
Solution Approach 1:
The patent applies dynamics by making the antenna configuration changeable rather than fixed. The switching unit dynamically reconfigures the antenna between different configurations (e.g., vertical/horizontal polarization, different gain patterns) based on the detected orientation from the sensor, allowing the system to adapt to varying operational conditions while maintaining reliable communication
Solution Approach 2:
The patent changes physical parameters of the antenna system by switching between different antenna configurations. The switching unit alters the antenna's electrical characteristics (polarization, gain distribution) in response to orientation changes detected by the sensor, thereby maintaining optimal communication performance across different orientations
2Adaptability or versatility
If the antenna configuration is changed to adapt to different orientations, then orientation adaptability is improved, but device complexity increases due to switching unit and sensor
Solution Approach 1:
The sensor serves multiple functions: it detects the orientation of the wireless communication system and provides this information to the switching unit for antenna reconfiguration. This multi-functionality reduces the need for separate dedicated components, thereby limiting the increase in device complexity while maintaining adaptability
Solution Approach 2:
The system performs self-adjustment by using its own sensor to detect orientation and automatically reconfiguring its antenna through the switching unit without external intervention. This self-service capability eliminates the need for external control systems, keeping the added complexity minimal
Data Source
AI summary
An apparatus including a body and a wireless communication system. The wireless communication system is integrated within or coupled to the body. The wireless communication system includes a wireless communication circuit and a hybrid coupler. The wireless communication circuit is configured to transmit or receive wireless signals. The hybrid coupler includes: a single ended port coupled to the wireless communication circuit; a first port coupled to a first connection; a second differential port coupled to second connection; inductive elements; and capacitors located between the inductive elements.