MOD 8 UNIT 2A

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8 Terms

1
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Multiplexing

Process of combining two or more users into one composite signal for simultaneous transmission.

Most defense communicaiton systems use time based multiplexer

Time Based transmit entire bandwidth or frequency every second

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Frequency Division Multiplexing (FDM)

A type of multiplexing based on frequency that uses modulation to create an analog signal, older of the two

3
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Time Division Multiplexing (TDM)

A type of multiplexing that assigns time slots to different users for communication.

Considered Round Robin

4
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Demultiplexing

The process of breaking apart the aggregated signal into their own respective outputs or channels.

Type of mission dictates what multiplexer your network has

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What is the requirement for multiplexing regarding bandwidth?

To have more transmitting bandwidth than the total amount needed by all users combined.

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What is a time based multiplexer?

A device that transmits the entire bandwidth or frequency every second.

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What is the primary difference between FDM and TDM?

FDM uses modulation to create analog signals, while TDM uses time slots for communication.

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What dictates the type of multiplexer used in a network?

The type of mission.