Overhead information is
digital
Digital usually refers to something using discrete digits, often binary digits.
Technology and computing Hardware
*Digital electronics, electronic circuits which operate using digital signals
**Digital camera, which captures and stores digital i ...
information transferred across the functional
interface between a
user
Ancient Egyptian roles
* User (ancient Egyptian official), an ancient Egyptian nomarch (governor) of the Eighth Dynasty
* Useramen, an ancient Egyptian vizier also called "User"
Other uses
* User (computing), a person (or software) using an ...
and a telecommunications
system
A system is a group of Interaction, interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its environment (systems), environment, is described by its boundaries, ...
, or between functional units within a telecommunications system, for the purpose of directing or controlling the transfer of
user information or the detection and correction of errors.
Overhead information originated by the user is not considered to be system overhead information. Overhead information generated within the
communications system and not delivered to the user is system overhead information. Thus, the user
throughput is reduced by both overheads while system throughput is reduced only by system overhead.
References
*
Data transmission
{{telecommunications-stub