Question

What is the function of the xG network in the licensed band?

(a) Exploit unused spectrum holes

(b) Route xG users

(c) Route primary users

(d) Manage information for primary users

The question was asked in an online interview.

My question is based upon The xG Network Architecture topic in division Next Generation Wireless Network of Cognitive Radio

Answer 1

Right option is (a) Exploit unused spectrum holes

Explanation: The xG users on the xG network exploit the unused spectrum holes that are available for a limited time in the licensed spectrum band. This may be carried out by applying various cognitive communication techniques.