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Question

What are the differences between FDM and OFDM?

a.

FDM uses Guard bands. OFDM does not need Guard bands.

b.

FDM transmits data in a big channel. OFDM transmits chunks of data through a group of small channels.

c.

FDM is sensitive to Multipath effects and Noise. In OFDM, only very few Sub-channels are affected by Noise and Multipath diversity.

d.

All the above

Posted under Wireless and Mobile Communications

Answer: (d).All the above

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Q. What are the differences between FDM and OFDM?
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