How does a compass work in smart phones? What sensors are used and how do they show the correct directions? - Quora
Flow chart of velocity and heading estimation. | Download Scientific Diagram
Smartphone Sensors Explained | Smartphone Domain
Yaw/Heading optimization by drift elimination on MEMS gyroscope - ScienceDirect
Create a Digital Compass with the Raspberry Pi - Part 2
Magnetometer
Sensors | Free Full-Text | Smartphone-Based Traveled Distance Estimation Using Individual Walking Patterns for Indoor Localization
Applied Sciences | Free Full-Text | A Novel Method of Adaptive Kalman Filter for Heading Estimation Based on an Autoregressive Model
Smartphones Navigate from Street to Indoors with Multi-Sensor Integration - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design
Orientation from magnetometer data - Robotics Stack Exchange
Electronics | Free Full-Text | Smartphone Sensor Based Indoor Positioning: Current Status, Opportunities, and Future Challenges
Create a Digital Compass with the Raspberry Pi - Part 2
Using Smartphone Sensors for Localization in BAN | IntechOpen
Calibration of a Magnetometer with Raspberry Pi — Maker Portal
Sensors | Free Full-Text | Authentication of Smartphone Users Based on Activity Recognition and Mobile Sensing
Relative heading estimation for pedestrians based on the gravity vector
Implementing a Tilt-Compensated eCompass using Accelerometer and Magnetometer Sensors
Estimate Phone Orientation Using Sensor Fusion - MATLAB & Simulink
Implement a Tilt and Interference-Compensated Electronic Compass - Circuit Cellar
Heading angle estimation using rotating magnetometer for mobile robots under environmental magnetic disturbances | SpringerLink