This invention describes a system for tracking a moving object outdoors. It works by having a stationary device transmit a wireless signal and a moving device receive it. By analyzing how the signal changes due to reflections and the moving device's movement, the system can determine the moving device's location and direction. The claims specifically describe the stationary device as the transmitter and the moving device as the receiver.
Why it matters: Filed before significant advancements in machine learning for signal processing. AI could now enhance the complex spatial-temporal information computation and tracking accuracy, potentially making the system more robust in varied outdoor environments.
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