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Results tagged with digital-communications
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user 5102
Digital Communication is the physical transfer of data (a digital bit stream) over a point-to-point or point-to-multipoint communication channel.
1
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cyclic prefix in ofdm
Assume transmission across an LTI ISI channel with AWGN noise at the receiver as follows:
$y_n=x_n*h_n+ z_n,$
where $z$ denotes AWGN noise $(0,\sigma^2)$ and $y_n,x_n,h_n$ model the output, input an …
- 411
1
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How to compute the free distance in TCM (Trellis-Coded Modulation)?
The free distance of a Trellis Coded Modulation system implemented either on BPSK or QPSK is a straightforward calculation. You'd have to compute the free distance $d_{free}$ of the convolutional code …
- 411