[ns] directional MAC

Hi, I'm a student of Computer Engeneering I am interested to focus my research on Directional MAC protocol with Directional Antennas. Can someone help me to find ns-code or a reference about Directional MAC protocol and Directional Antennas? Thank you in advance for your kindness, Best Regards, C

[ns] directional NAV

Hi all, can anyone help me to implement directional NAV with directional antennas? thank Pierpaolo