An am vestigial sideband data transmission set using synchronous detection for serial transmission up to 3,000 bits per second
F. K. Becker, J. R. Davey, Burton R. Saltzberg · Transactions of the American Institute of Electrical Engineers Part I Communication and Electronics · 1962
A data transmission system has been designed which uses vestigial sideband, suppressed carrier, and amplitude modulation (AM). Carrier recovery and synchronous detection are performed in the receiver.