Performance comparison of binary and quaternary UWB modulation schemes. - João A. Ney da Silva; Marcello L. R. de Campos (GLOBECOM, 2003)

Spectrally Efficient UWB Pulse Shaping With Application in Orthogonal PSM. - João A. Ney da Silva; Marcello L. R. de Campos (IEEE Trans. Commun., 2007)