Question

Network operator can identify problematic areas by monitoring the progress of ____

(a) channel state machine

(b) node state machine

(c) channel transition system

(d) node transition system

I had been asked this question during an online interview.

This interesting question is from Radio Resource Analysis topic in chapter Software Defined Radio Architecture of Cognitive Radio

Answer 1

Right answer is (a) channel state machine

Explanation: Network operator can identify problem areas by monitoring the progress of channel state machine. For example, when the number of handoff failures increases in a cell site, it indicates the need for a gap filter or improved handoff techniques.