Question

Maximum likelihood estimator at the receiver uses only NLOS signals.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Posted under Cognitive Radio

Answer: (b).False Explanation:Cramer Roa lower bound (CRLB) at the receiver is achieved by using maximum a posteriori and maximum likelihood estimator. Maximum a posteriori uses LOS and NLOS signals to achieve CRLB while maximum likelihood uses only LOS signals.

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Q. Maximum likelihood estimator at the receiver uses only NLOS signals.

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