@INPROCEEDINGS {15045,
author={F. Nunes and J. Leitão and F. Sousa},
doi={0},
booktitle={European Workshop on GNSS Signals and Signal Processing - EWGSSP},
title={Absolute Modulation Scheme for Enhanced GNSS Receiver Performance},
year={2013},
month={December},
volume={I},
pages={1-7} 
}