@INPROCEEDINGS {11023,
author={L. Brás and N.B.C. Carvalho and P. Pinho},
doi={},
booktitle={European Microwave Week/European Microwave Conf.},
title={Improved Sectorised Antenna for   Indoor Localization Systems},
year={2011},
month={October},
volume={},
pages={1-4} 
}