Rotational Wireless Antenna Switching for Orientation Mismatch
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Solution Overview
Problem
Wireless communication systems face challenges in maintaining effective communication due to varying orientations and polarization mismatches, leading to signal loss and failure in establishing connections.
Innovation Solution
A wireless communication system integrated with a sensor, antenna, switching unit, and controller that detects orientation and adjusts antenna gain and polarization configurations to optimize communication with external systems, ensuring successful communication across different orientations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the antenna is oriented in a fixed direction with high antenna gain, then wireless signal transmission is efficient in that direction, but communication fails when the system orientation changes or polarization mismatches occur
Solution Approach 1:
The antenna configuration is made dynamic through the switching unit that can change between first and second configurations based on detected orientation. This allows the antenna to adapt its gain and polarization characteristics in real-time to match the orientation of external wireless communication systems, resolving the contradiction between fixed high-gain performance and orientation adaptability
Solution Approach 2:
The patent changes the antenna parameters (gain and polarization) based on the detected orientation of the wireless communication system. By adjusting these parameters dynamically, the system maintains reliable communication across different orientations without requiring a fixed antenna configuration
2Productivity
If a single antenna configuration is used, then the device structure is simple, but communication efficiency decreases when orientation varies
Solution Approach 1:
The switching unit provides dynamic configuration change capability, allowing the antenna to switch between different states based on orientation detection. This dynamic approach maintains high communication efficiency across varying orientations while adding minimal structural complexity compared to using multiple fixed antennas
Solution Approach 2:
A single antenna is designed to perform multiple functions by switching between different configurations. The same physical antenna can achieve different gain patterns and polarization states, eliminating the need for multiple specialized antennas while maintaining communication efficiency across various orientations
Data Source
AI summary
An apparatus including a body and a wireless communication system. The body partially encloses a camera. The wireless communication system is integrated within or coupled to the body of the apparatus. The wireless communication system includes: a sensor, an antenna, a switching unit, a wireless communication circuit, and a controller. The sensor is configured to determine an orientation of the wireless communication system. The antenna is configured to transmit or receive wireless signals and configured to have an antenna gain and polarization. The switching unit is configured to change a configuration of the antenna gain and polarization. The wireless communication circuit is electrically coupled to the antenna to transmit or receive the wireless signals. The sensor determines the orientation of the wireless communication system related to an external wireless communication system and the switching unit changes the configuration of the antenna gain and polarization.