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Time difference of arrivals) (TDoA)-based location tracking systems using RF and ultrasonic signals often give unacceptable errors due to the line-of-sight limitation of the ultrasonic signal. To overcome this limitation, many researchers have devoted their efforts using various methods. To further enhance accuracy and improve performance, this paper proposes a novel TDoA-based location tracking technique...
The TDoA (Time Difference of Arrivals) based location tracking systems using the RF and ultrasonic signals often give unacceptable errors due to the line-of-sight limitation of the ultrasonic signal. Overcoming this limitation, this paper proposes a novel TDoA based location tracking technique that explicitly exploits the ultrasonic reflection scenarios in the target location estimation. The proposed...
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