| 3/6D | 3/6 Degree-of-Freedom |
| DC | Degeneration Constraint |
| EKF | Extended Kalman Filter |
| GPS | Global Positioning System |
| IMU | Inertial Measurement Unit |
| INS | Inertial Navigation System |
| LIDAR | Light Detection and Ranging |
| MSF | Mult-Sensor Fusion |
| UWB | Ultra Wide Band |
| VIO | Visual Inertial Odometry |
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