Maurice Tutor

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    Argosy University/ Phoniex University/
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Category > Management Posted 13 Oct 2017 My Price 4.00

digital communication system

In a digital communication system known as QPSK6 , one of four symbols {A, B, C, D} is transmitted at a time. The channel characteristics are indicated in the figure below. The prior probabilities of the input symbols are given as: Pr[AS] = Pr[BS] = Pr[CS] = Pr[DS] = 1/4.

(a) What is the probability of receiving an A?

(b) Determine the probability of error in this channel.

(c) Given that D is received, find the probability that (i) A was sent, (ii) B was sent, (iii) C was sent, and (iv) D was sent.

Answers

Maurice Tutor
(5)
Status NEW Posted 13 Oct 2017 01:10 PM My Price 4.00

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