Utilizing amplitude ratio of output signals from nearomnidirectional antennas for increasing effectiveness of phase difference estimation on radio scattering paths

Abstract

In this paper, the effectiveness of utilizing the relation between root-mean-square phase difference error and instantaneous amplitude ratio value of signals received on spaced near-omnidirectional antennas for increasing phase difference estimation accuracy is considered. Results are obtained via processing the experimental signal measurements, which were received during the autumn period on near-ground centimeter RF paths, where the main obstructions are a forest area and local features. The results of modeling output signals are compatible with the experimental results.