Question

Signal to interference plus noise ratio gives ____

(a) lower bound on channel capacity

(b) upper bound on channel capacity

(c) upper bound on receiver capacity

(d) lower bound on channel capacity

I have been asked this question during an interview for a job.

Question is taken from Techniques in chapter Cognitive Techniques of Cognitive Radio

Answer 1

The correct answer is (b) upper bound on channel capacity

Explanation: Signal to interference plus noise ratio gives upper bound on channel capacity in wireless communication system. It takes into account factors such as noise, interference, path loss, and bandwidth. It is a parameter that defines the quality of wireless connection.