RTT and AoA for 3D Location

Ultrawideband (UWB) signals have the ability to locate the 3D position of a tag with accuracy of a few centimeters. In a Real-Time-Location System (RTLS) based on radio signals, two principles can be used: obtaining distance from time measurements and directions from angle measurements. To calculate the 3D position of the tags the reader will use a phase-array to determine the Angle-of-Arrivals (AoA) of desired tags, i.e., azimuth and elevation angles. The radar properties of the MOXZ Signals can be used to make accurate Round-Trip-Time (RTT) measurements to calculate the distance between reader and Tag. Combining angle and distance allows accurate relative 3D position. The information will then be forwarded by the reader via a cellular link to the cloud.