@conference {ScagliolaICC2011,
	title = {A Dirty Paper Scheme for Hierarchical OFDM},
	booktitle = {IEEE International Conference on Communications (ICC)},
	year = {2011},
	month = {June},
	address = {Kioto, Japan},
	keywords = {dirty paper, Hierarchical OFDM, watermarking},
	author = {Scagliola, Michele and Fernando P{\'e}rez-Gonz{\'a}lez and Guccione, Pietro}
}
