Abstract: As the information society advances, there is a necessity for the development of communication technologies including wireless LAN to transmit rich content such as ultrahigh definition ...

Abstract: The ever-increasing mobile users pose a great challenge to the current centralized structure, where the failure of the network center significantly compromises privacy and data security.

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...