1 Classical systems using hierarchical modulation (such as DVB-SH) involve a "high-priority" (HP) and a "lowpriority" (LP) bit stream that are separately and in...
— Timing synchronization is a preeminent challenge in ultra-wideband impulse radios (UWB-IRs). The conventional all-digital synchronization methods encounter some formidable impl...
This paper addresses the problem of threshold traitor tracing for digital content where, by embedding appropriate digital patterns into the distributed content, it is possible to t...
The work presented in this paper consists in the development of a portable platform to protect the copyright and distribution rights of digital contents, and empirically demonstrat...
Miguel Soriano, Marcel Fernandez, Elisa Sayrol, Jo...
In this paper, we describe the concatenation of Turbo/Convolutional codes with transmit and receive diversity schemes by using Space-Time Block Code. It is shown that, by using tw...