Question

Which among the following is an important characteristic of software radio?

a.

Digital demodulation and analog filtering

b.

Analog demodulation and digital filtering

c.

Analog demodulation and filtering

d.

Digital demodulation and filtering

Posted under Cognitive Radio

Answer: (d).Digital demodulation and filtering Explanation:The progression from hardware defined radio to software radio is marked by the introduction of the analog-to-digital converter and digital-to-analog converter in radio. An ideal software radio performs operations such as modulation, demodulation, frequency translation, and filtering digitally.

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Q. Which among the following is an important characteristic of software radio?

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