These are three sets of simulated echo data generated by Matlab. The first set of echo data comes from a surface target with a size comparable to a 2-D MIMO array, but with a center point offset from the array. The second group contains three echo data from point targets. The first packet is a point target within the physical size of the array, the second packet is a point target outside the physical size of the array, and the third packet is the sum of the first two packets.
We created this dataset to study Outdoor-to-Indoor (O2I) signal propagation using four UAV transmitters and 17,485 receivers positioned inside the building. For each receiver location and transmitter, we generated up to 25 multipath components by simulating six transmissions, six reflections, one diffraction, and diffused multipath (comprising two transmissions and one diffraction) using Remcom's Wireless InSite.
The dataset corresponding to the measurements performed in the article "Freehand System for Probe-Fed Antenna Diagnostics by Means of Amplitude-Only Acquisitions" is provided. In this work, a freehand acquisition system is used to characterize an integrated antenna fed by a GSG probe by means of amplitude-only measurements, with phase retrieval based on an indirect holography technique for broadband antennas. Spatial filtering and time-gating techniques are applied to eliminate the effect of the feeding probe.
