Antenna arrays can be either reciprocity calibrated (R-calibrated), which facilitates reciprocity-based beamforming, or fully calibrated (F-calibrated), which additionally facilitates transmission and reception in specific physical directions. We first expose, to provide context, the fundamental principles of over-the-air R- and F-calibration of distributed arrays. We then describe a new method for calibration of two arrays that are individually F-calibrated, such that the combined array becomes jointly F-calibrated.
@article{arxiv.2304.05144,
title = {Phase Calibration of Distributed Antenna Arrays},
author = {Erik G. Larsson and Joao Vieira},
journal= {arXiv preprint arXiv:2304.05144},
year = {2023}
}
Comments
To appear in the IEEE Communications Letters, 2023