multiplexing

Shared channel transmission

Multiplexing is combining multiple signals or data streams into one shared channel for transmission.

In telecommunications, it allows phone lines or cables to carry many conversations simultaneously.

In computing, it describes handling multiple tasks through a single resource.

The verb is multiplex; the device that performs it is a multiplexer: The system multiplexes video feeds from sixteen cameras onto one display.

technique

time-division

Sharing by sequential slots

interleaving · channelization · subcarrier · timeslot

signal

modulation

Varying signals to transmit

phase · channel · transmission · analog · digital · duplex · quadrature · filtering · bandwidth · baseband

concurrent

parallel

Equidistant at all points

multitasking · synchronous · asynchronous · overlapping · pipelining · scheduling · contention · arbitration · queuing

hardware

demultiplexer

Circuit separating combined signals

combiner · splitter · mux · demux · transceiver · modem · codec · terminal · concentrator · selector

efficiency

throughput

Processing rate over time

optimization · scalability · latency · overhead

network

packet

Small sealed container

  • dataflowDependency-triggered computation model
  • uplinkTransmission to spacecraft
  • downlinkSpacecraft-to-Earth transmission

protocol · trunk · backhaul · aggregate · bitstream · payload · frame · cell · slot · subchannel

Categories
Opposites
signal combination vs. separation

multiplexingdedicated line

Channel for exclusive use

direct connection

resource sharing vs. dedication

multiplexingunicast

Single-destination network transmission

Family

multiply, multiple, multiplication, multiplicity, multiplex, multiplexes, multiplexer, multiplexed

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