Questions tagged [symbol-energy]
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2
votes
1answer
45 views
Is there a relationship between Average energy of transmission and power saving
As mentioned in many books, the average energy of transmitted symbol is given by:
$E_s = (2/3)(M - 1) $
where $M$ indicated the modulation order.
Suppose that we are using in the first scenario $...
0
votes
1answer
463 views
Bits - symbols mapping in M-PAM beginner question
I am trying to implement a M-PAM modulator in Matlab without using the built-in functions. I am confused when it comes to the symbols-bits mapping.
Say I have a sequence of bits: ...
0
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0answers
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M-PAM, M-PPM symbol/bit power energy and duration
I am reading a textbook on M-PAM and M-PPM, at the end the author makes the following 2 questions that are left unanswered.
1) What is the relation of average energy per symbol, symbol duration and ...
0
votes
1answer
2k views
Determine minimum distance between two symbols in 16-QAM using the average symbol energy
If the probability of bit error for a square M-ary QAM is
$P_M = (1-(1-P_\sqrt{M})^2)$
where
$P_\sqrt{M} = 2(1-\frac{1}{\sqrt{M}})Q(\sqrt{\frac{3E_s}{(M-1)N_0}})$
and $E_s$ is the average symbol ...
