Question

When does a cognitive radio give up control of application?

(a) High traffic load

(b) Long period without input from user

(c) On receiving pre-emptive command from user

(d) Bad weather conditions

The question was posed to me by my college director while I was bunking the class.

This key question is from Architecture topic in chapter Cognitive Radio Architecture of Cognitive Radio

Answer 1

Correct choice is (c) On receiving pre-emptive command from user

To explain: The cognition function transfers the control of applications, interfaces, and radio resources on receiving pre-emptive command from the network or from the user. The control may be transferred to a network or a primary user depending on defined protocols.