International Business Machines Corporation

White W H Hsu

Joey H Y Tseng

Yu-Hsing Wu

Hsieh-Lung Yang

A computer broadcasts a tiersignal from a target device and records transmission data of the broadcast. The computer detects the tiersignal at nearby propagator devices and records additional transmission data before determining whether a propagation limit has been reached. Based on not reaching the propagation limit, the computer instructs the nearby propagator devices to broadcast a tiersignal. The computer records further transmission data at other nearby propagator devices detecting the tiersignal and, again, determines whether the propagation limit has been reached. Based on determining that the propagation limit has been reached, the computer filters outliers from all the transmission data and determines the precise location of the target device. Furthermore, the computer displays the relative location of the target device on one or more devices.

Growing community of inventors

Taipei, Taiwan

White W H Hsu