4VSB

4VSB is an abbreviation for 4-level vestigial sideband modulation, a type of radio transmission capable of transmitting two bits of information (2²=4) at a time.^[1] Other faster but less rugged forms include 8VSB and 16VSB. While 2VSB is more rugged, it is also slower.

References

^ M. Sablatash (1994). "Error-Control Coding, Modulation, and Equalization for All-Digital Advanced Television: State of the Art and Future Possibilities". In L. Stenger; L. Chiariglione; M. Akgun (eds.). Signal processing of HDTV, V. International Workshop on HDTV '93, Ottawa, Canada, October 26-28, 1993. Amsterdam: Elsevier. p. 307. ISBN 978-1-4832-9851-1. OCLC 896825877.

This article related to radio communications is a stub. You can help Wikipedia by expanding it.

[1] M. Sablatash (1994). "Error-Control Coding, Modulation, and Equalization for All-Digital Advanced Television: State of the Art and Future Possibilities". In L. Stenger; L. Chiariglione; M. Akgun (eds.). Signal processing of HDTV, V. International Workshop on HDTV '93, Ottawa, Canada, October 26-28, 1993. Amsterdam: Elsevier. p. 307. ISBN 978-1-4832-9851-1. OCLC 896825877.

[1]