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Compare TDM and FDM.

written 7.5 years ago by teamques10 ★ 70k

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Mumbai University > Electronics > Sem 4 > Priniciples of Communication Engineering

principles of communication network

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written 7.5 years ago by teamques10 ★ 70k

TDM	FDM
The signals which are to be multiplexed can occupy the entire bandwidth but are isolated in the time domain	Signals which are to be multiplexed are added in the time domain. But they occupy diff slots in the frequency. domain
TDM is preferred for the digital signals.	FDM is usually preferred for the analog signals.
Synchronization required	Synchronization not required
TDM circuiting is not very complex.	The FDM requires a complex circuiting at the transmitter and receiver.
In TDM the problem of crosstalk is not severe.	FDM suffers from the problem of crosstalk due to imperfect band filters.
Due to fading only a few TDM channels will be affected	Due to wideband fading in transmission medium, all FDM channels are affected
Due to slow narrow band fading all the TDM channels may get wiped out.	Due to slow narrowband fading taking place in the transmission channel only a single channel may be affected in FDM

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