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I am proposing my PhD thesis in Optical Network.
I'm looking for a problem to solve in a PON network.
1. E.g I read recently about DBA algorithms in PON networks. This is very interesting topics for my, but i don't know is there any problem not solved at this area. I was looking for some...
hello. if someone knows the electrical system who will be able to analyze the phase shift in the fiber. integrated circuit to realize he had to shift in some way display the value on the LCD. can wykrzystac to teog atmega microcontroller. measuring system on the photos propert
Re: fiber optic sensor
HI
I need your help!! :(
I have some project about fibre optic sensor pressure and i must developed electronic circuit of fibre optic sensor that that i can write pressure on lcd . I have some sensor side-hole and i must that signal send by side-hole fibre-optic and...
AWGN chanel
Hi I am from Poland and I need your helpi must generate Gaussian noisse AWGN
I implement AWGN channel in trellis code modulation.
i have coder and modulation 8PSK to this signal i must add gaussian noise and depend this noise SNR ( we must give SNR)
supose we have...
soft viterbi decoding?
I need your help. I need viterbi algorithm in c++ with realize algorithm of Trellis code decoding . if somebody have or found this algorithm i will be happy . I am from poland and I dont know good english .
I need code with realize viterbi decoding for this encoder...
I need your help. I need viterbi algorithm in c++ with realize algorithm of Trellis code decoding . if somebody have or found this algorithm i will be happy . I am from poland and I dont know good english .
I need code with realize viterbi decoding for this encoder...
hI i am not good speeg english so sorry for error i have a problem i must have program with division of polynomials in C + +
i look some program in google but i not found program with is good for me
i must division polynomials OF DEGREE x^11 by x^4+x+1
and i dont know how can i do in...
thank you very much ..!!!
i have one more question ...
so suppose we have
As -amplitude of signal
An- amplitude of noise
what power of signal we have if we use o modulation 16 psk ??
SNR=10log(As/An)^2 // As=1
SNR=10log(1/An)^2
An=sqrt(pow(10,(-SNR/10))
in program which i found in...
hi
On start I Wont say that I don Know good english so sorry for my error ;)
I have a problem :
I must simulate a channel awgn .
I have encoder at rate 2/3 2 bits = 3 bits and modulators 8 PSK 3 bits = one of the oint of the constelation for example
cos(alfa)+jsin(alfa) (real...
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