Mobile Device Orientation Guidance for Narrow-Beam Satellite Links
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Solution Overview
Problem
Standard mobile devices without specialized antennas face challenges in orienting themselves effectively towards communication satellites for satellite-based communication due to the narrow main lobe of the antenna and user's inability to intuitively align it with the satellite.
Innovation Solution
A mobile device equipped with sensors and a user interface provides intelligent guidance to orient the device by determining target orientations based on the antenna's orientation and satellite location, using IMU, magnetometer, barometer, GNSS, and camera to correct for errors and provide real-time feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If standard mobile devices with non-specialized antennas are used for satellite-based communication, then device versatility and ease of operation are improved, but communication reliability deteriorates due to inability to properly orient the narrow antenna main lobe toward the satellite
Solution Approach 1:
The system provides real-time feedback to the user through a graphical user interface that displays the current orientation of the device and guides the user to rotate the device to achieve proper alignment between the antenna main lobe and the satellite. This feedback mechanism allows standard mobile devices to reliably establish satellite communications without requiring specialized antenna designs.
2Ease of operation
If satellite-based communication is enabled for standard mobile devices, then ease of operation is improved, but communication effectiveness deteriorates due to user's inability to intuitively align the antenna main lobe with the satellite
Solution Approach 1:
The system introduces an intermediary graphical user interface that acts as a mediator between the user and the complex task of antenna alignment. The GUI provides visual feedback and rotation guidance, translating the abstract concept of antenna orientation into intuitive visual cues that guide the user to properly align the device with the satellite.
3Measurement precision
If the antenna main lobe is made narrow to improve signal directionality, then communication precision is improved, but ease of operation deteriorates due to difficulty in aligning with the satellite
Solution Approach 1:
The system provides real-time feedback through the graphical user interface that displays the current antenna orientation and guides the user to achieve proper alignment. This feedback compensates for the narrow main lobe by giving the user precise visual information about how to orient the device, making the narrow beamwidth manageable for end users.
Data Source
AI summary
In some implementations, a mobile device may determine a set of target orientations of the mobile device in which an antenna lobe of the mobile device is pointed toward the satellite, the set of target orientations based on: an orientation of the antenna lobe relative to the mobile device, and a location of the satellite relative to the mobile device. The mobile device may determine a current orientation of the mobile device. The mobile device may provide, at a user interface (UI) of the mobile device, guidance for rotating the mobile device from the current orientation to an orientation within the set of target orientations.