Question

Which among the following terms should replace the labels ‘A’, ‘B’, and ‘C’ in the diagram?

a.

A – Sensing information, B – Spectrum sensing, C – Reconfiguration

b.

A – Sensing information, B – Reconfiguration, C – Spectrum sensing

c.

A – Spectrum sensing, B – Reconfiguration, C – Sensing information

d.

A – Reconfiguration, B – Spectrum sensing, C – Sensing information

Posted under Cognitive Radio

Answer: (a).A – Sensing information, B – Spectrum sensing, C – Reconfiguration Explanation:Spectrum sensing examines the available spectrum bands, gathers information about the spectrum band, and detects spectrum holes. It is implemented in the physical layer. In-band sensing is carried out to sense the arrival of primary users and transfer the information to the spectrum mobility function unit. Reconfiguration is necessary to alter the transmission parameters in accordance with the dynamic radio environment.

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Q. Which among the following terms should replace the labels ‘A’, ‘B’, and ‘C’ in the diagram?

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