Digital Communication Questions and Answers
Q1.
Link budget can help in predicting
Answer :
1. Equipment weight and size
2. Technical risk
3. Prime power requirements
Q2.
Space loss occurs due to a decrease in
Answer :
Electric field strength
Q3.
Which parameter is called as Shannon limit?
Answer :
EB/N0
Q4.
Turbo codes are
Answer :
Forward error correction codes
Q5.
In soft decision approach 100 means?
Answer :
Very likely one
Q6.
Decoding step consists of
Answer :
De-interleaving & Decoding
Q7.
The minimum end to end delay in block interleaving is
Answer :
2MN-2M+2
Q8.
Turbo code is a
Answer :
Parallel concatenation code
Q9.
Which has a limited resolution?
Answer :
Soft decision decoder
Q10.
The look ahead length L is given by
Answer :
m+1
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