T.R. Cunha,
P. R. Baptista,
C. Bernardes,
High precision positioning system suitable for a mobile land platform,
PCT/PT2009/000073,
PCT,
10-10-2009
T.R. Cunha,
P. R. Baptista,
C. Bernardes,
Sistema de posicionamento de elevada precisão adaptado a uma plataforma móvel terrestre,
PT104783,
National,
Granted,
13-10-2009,
Portugal
A. Radwan,
M. S. El-Hennawey,
R. A. Goubran Goubran,
L. Ding Ding,
Method and Apparatus for Non-Intrusive Single-Ended Voice Quality Assessment in VoIP,
US62954706,
National,
Granted,
15-06-2005,
United States
A. Radwan,
M. S. El-Hennawey,
R. A. Goubran Goubran,
L. Ding Ding,
Method and Apparatus for Non-Intrusive Single-Ended Voice Quality Assessment in VoIP,
US62954805,
National,
Granted,
15-09-2004,
United States
A. Radwan,
M. S. El-Hennawey,
R. A. Goubran Goubran,
L. Ding Ding,
Method and Apparatus for Non-Intrusive Single-Ended Voice Quality Assessment in VoIP,
PCT/IB2005/001681,
PCT,
15-06-2004
N.B.C. Carvalho,
J. C. Pedro,
Sistema de medida de distorção não linear co-canal,
PT102521,
National,
Granted,
09-10-2000,
Portugal