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Wireless Communication - Cognitive Radio
Next Generation Wireless Network Spectrum Management 1
Q
Which among the following terms should replace the labels ‘A’ and ‘B’ in the diagram?
AA. A ? link layer delay, b ? scheduling information
BB. A ? link layer establishment, b ? spectrum broker
CC. A ? scheduling information, b ? link layer delay
DD. A ? spectrum broker, b ? link layer establishment
Correct Answer:
A. 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.
