TY - CONF T1 - A Dirty Paper Scheme for Hierarchical OFDM T2 - IEEE International Conference on Communications (ICC) Y1 - 2011 A1 - Scagliola, Michele A1 - Fernando Pérez-González A1 - Guccione, Pietro KW - dirty paper KW - Hierarchical OFDM KW - watermarking JF - IEEE International Conference on Communications (ICC) CY - Kioto, Japan ER -