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Which among the following have direct dependency relationship?

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Which among the following have direct dependency relationship?

(a) BER and bandwidth

(b) BER and SINR

(c) SINR and bandwidth

(d) Bandwidth and power

This question was addressed to me in an online interview.

The origin of the question is Techniques topic in portion Cognitive Techniques of Cognitive Radio

1 Answer

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Best answer
The correct choice is (a) BER and bandwidth

Explanation: Direct dependency involves the one to one relationship between two parameters. Indirect dependency involves creating links between parameters based on objective dependency. Bit error rate directly depends on bandwidth and is indirectly related to signal to noise ratio.

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