Wireless sensors are methodically placed to detect WiFi and/or Bluetooth signals emitted by smart devices. The sensors make use of Time Difference of Arrival (TDOA) technology.


A user of a computing device may be detected, and their location determined, based on radio frequency signals transmitted by the computing device. The RF signals may be for example Bluetooth or Wi-Fi signals that are received by a localization device. The localization device comprises a plurality of RF receivers for receiving the transmitted RF signals. The RF receivers are synchronized by a single local master clock signal, allowing the localization device to determine the computing device’s location based on a time difference of arrival of the transmitted signal at the receivers.

US provisional application: 62/929,406 (filed Nov. 1, 2019)
Inventor(s): Ismail, K; Ghods A

Please contact Theresa White (Manager- Innovation Transfer) at [email protected] for more information.

Key Benefits

• Wireless sensors do not suffer from the same limitations of visual-range sensors such as cameras and LIDAR.
• Less expensive than competing technologies (e.g., radar, video cameras, and LIDAR).
• Sensor will utilize Bluetooth or wireless pings which represent much lower battery drain.

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