This diagram of a packet switching network appears in the 1974 paper by Vint Cerf and Bob Kahn describing what became the TCP/IP technology for transferring data reliably across the internet. IEEE ...

Article Published: 24 June 2012 Terabit free-space data transmission employing orbital angular momentum multiplexing Jian Wang, Jeng-Yuan Yang, Irfan M. Fazal, Nisar Ahmed, Yan Yan, Hao Huang ...