Question

Why is queue management required?

(a) Form a queue of xG users which require access for a particular channel in the licensed band

(b) Handle multiple interfaces

(c) Form a queue of xG users which require access for a particular channel in the unlicensed band

(d) Form a queue of xG users to forward information to spectrum broker

This question was posed to me during an internship interview.

I'm obligated to ask this question of Next Generation Wireless Network topic in portion Next Generation Wireless Network of Cognitive Radio

Answer 1

The correct choice is (b) Handle multiple interfaces

Best explanation: An xG terminal uses multiple interfaces to interact with multiple nodes. Queue management is responsible for finding an interface best suited for the traffic in the spectrum environment. Queues are generated after evaluating each interface with each traffic type.