Why do we use Multiple Access Schemes? What is the difference between FDMA, TDM

Why do we use Multiple Access Schemes? What is the
difference between FDMA, TDMA and CDMA?

Question Posted / deepak.prince

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Why do we use Multiple Access Schemes? What is the difference between FDMA, TDMA and CDMA?..

Answer / muhammad shoaib

Why do we use Multiple Access Schemes?
because it is necessary to have a scheme that enables
several multiple users to gain access to it and use it
simultaneously.

difference between FDMA, TDMA and CDMA:

TDMA: it is a channel access method for shared medium
networks. It allows several users to share the same
frequency channel by dividing the signal into different
time slots
FDMA: it is used in multiple-access protocols as a
channelization protocol. FDMA gives users an individual
allocation of one or several frequency bands, or channels
CDMA: allowing several transmitters to send information
simultaneously over a single communication channel. This
allows several users to share a band of frequencies

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