Transmission (telecommunications)


In telecommunications, transmission is the act of transmitting electrical messages (and the associated phenomena of radiant energy that passes through media). Messages can be a series of data units, such as binary digits, or groups of those, variously called frames, blocks.

Transmission can be split up into two parts:

  1. The dispatching by a sender, for reception elsewhere, of a signal, message, or any form of information.
  2. The propagation of a signal by any means, such as by telegraph, telephone, radio, television, or telefacsimile via any medium, such as wire, coaxial cable, microwave, optical fiber, or radio frequency.

In general information theory transmission is taken to mean the complete process of communication of information via a channel.

See also


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