Question

Which among the following is termed as a local radio environment map?

(a) Wide area network level

(b) Hop to hop level

(c) User equipment terminal

(d) Local area network level

The question was asked in an internship interview.

My doubt stems from Next Generation Wireless Network in section Next Generation Wireless Network of Cognitive Radio

Answer 1

The correct choice is (c) User equipment terminal

Easy explanation: The radio environment map installed on a user’s terminal equipment is called a local radio environment map. Each map is unique to its user device. The local radio environment map enables the cognitive radio to store current status and past experiences.