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Signal Processing

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I would like to ask you guys how to decode the source coding in telecommunication? I learned that at the Transmitter side, the Transmitter will use the source coding such as Shannon coding, Shannon-...
budapest tour's user avatar
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1 vote
2 answers
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The probability of the undetected errors for an n bit CRC is said to be $1/2^n$. But in practice, CRC also has bit errors in itself. Could I say that a 16 bit CRC reduces to a 13 bit CRC if the BER is ...
c1119's user avatar
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I performed variable-length LZW encoding in Matlab on a large set of text where my dictionary looks like this (size = 28): ...
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I am reading a paper called "Design and Comparison of Three 20-Gb/s Backplane Transceivers for Duobinary, PAM4, and NRZ Data" and got stuck on seemingly easy thing, how the Z-domain ...
M.O.'s user avatar
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The problem is question 6.25 from Proakis, Communication Systems Engineering (2001) Design a ternary Huffman code, using 0, 1, 2 as letters, for a source with output alphabet probabilities given by {...
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According to the Reed-Solomon Wikipage, the RS code can correct up to $\lfloor\frac{t}{2}\rfloor$. While I was playing around with Reed-Solomon FEC (github repo), I noticed that sometimes the RS(544, ...
Emm386's user avatar
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There is a dataset of $N$ elements, each represented by $K$ bits. Now due to hardware limitations to reduce memory for storage, they have to be reprocessed into $K'$ bits each, and $K'<K$. What is ...
c1119's user avatar
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I´m reading a paper on Miller codes and I´m having trouble calculating the minimum distance out of a state diagram. The paper states in Fig. 3. that "it is easy to verify that dmin for these ...
Elias4l's user avatar
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6 votes
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I am interested in other examples of finite and complete orthogonal basis. I am not confident in my use of the term “complete”, so what I mean specifically is a set of basis vectors that can be used ...
Dan Boschen's user avatar
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Guys do you now why line coding also called digital base band modulation named "line coding" where does it come? and how is the name related to modulation
yohans hailu's user avatar
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1 answer
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Okay, everyone here knows that my thing was audio and that I have never gotten paid to do anything regarding communications systems. So, while I know a thing or two about DSP and even a little about ...
robert bristow-johnson's user avatar
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I've been working on my linear code assignment in my coding theory course and I have encountered a problem I would like to get help with. the question is described below. I will try to expalin what I ...
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This question may be interpreted as a second part of this other question. Basically, if we encode our data using Huffman's encoding and we want to introduce some FEC afterwards, unless we use a ...
user3141592's user avatar
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I've been looking at the opus paper (https://arxiv.org/pdf/1602.04845.pdf); in particular, in section 4.1, they describe the predictor for the current band energy based on energy from both the current ...
ferris's user avatar
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I am new to this site, which I joined with the aim of finding someone to help me with a little doubt. I am trying to design a system that must be able to work at extremely low (the lower, the better, ...
user3141592's user avatar
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