raviserene
raviserene
Branch Unspecified
03 Oct 2007

Problem solving

Hi there hope u can help me out. I am a EEE student. This is a doubt from my paper communication & network transmission

please help me out. The following are the 2 problems:

1.consider a(7,4) cyclic code with generator polynomial g(x)=1+x+x3. let data word m=(1010). find the corresponding systematic code

2. let U be a (7,4) cyclic code with g(x)=1+x+x3. find a generator matrix G for U and find the code eword for m=(1010)
xheavenlyx

xheavenlyx

Electronics and Communication
03 Oct 2007
wow, its nice you have formed your Q nicely, but unfortunately, as much as I wanted to help, I have not taken Communications as a subject. I can tell you one thing though.

Take out the keywords like:

Cyclic code, Systematic Code, Generator matrix, Code eword, Generator polynomial etc

Now try this in google, as I have tried... "cyclic code generator polynomial" and this is what I found:

First link to a PDF lecture file on Cyclic Codes and Generator Matrices...
https://intranet.cs.man.ac.uk/Study_subweb/Ugrad/coursenotes/CS2272/skb/SKB_Lecture_11.pdf


AND this site:

https://www.math.uri.edu/~thoma/teaching/mth391_fall2004/cyclic.htm
Ashraf HZ

Ashraf HZ

Communications
03 Oct 2007
nice, thanks for the links! Ive yet to take this subject.. sounds hard though 😔 are the problems about encoding data or something? maybe coding theory.
xheavenlyx

xheavenlyx

Electronics and Communication
05 Oct 2007
dude for a sec i thought its reviserine 😀 But yea, its good the links are helpful to someone atleast.

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