Question

Which of the following is not a part of the channel encoder/decoder section in the functional model of software defined radio?

a.

RF/Channel access

b.

Source coding

c.

IF processing

d.

Modem

Posted under Cognitive Radio

Answer: (b).Source coding Explanation:The channel encoder/decoder section comprises of RF/Channel access, IF processing, and modem. RF/Channel access includes antenna and RF conversion. IF processing stage includes filtering, and frequency translation. Modem is responsible for waveform definition.

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Q. Which of the following is not a part of the channel encoder/decoder section in the functional model of software defined radio?

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