Question

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

a.

A – Link layer delay, B – Scheduling Information

b.

A – Link layer establishment, B – Spectrum broker

c.

A – Scheduling information, B – Link layer delay

d.

A – Spectrum broker, B – Link layer establishment

Posted under Cognitive Radio

Answer: (a).A – Link layer delay, B – Scheduling Information Explanation:Link-layer delay is one of the defining parameters of quality of service. Various link layer protocols suitable for different path loss, wireless link error, and interference are available. Link layer packet transmission delay changes with respect to the selected protocol. Scheduling information ensure fair sharing of spectrum resources in the unlicensed spectrum band.

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

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