@INPROCEEDINGS {35029,
author={J. H. M. Martins and T. Varum and J. N. Matos},
doi={},
booktitle={International Microwave and Optoelectronics Conf. - IMOC},
title={Printed Vector Modulator for 5G Communications Systems },
year={2019},
month={November},
volume={},
pages={-} 
}