naliali wrote:

>

> I suppose to implement a Reed Solomon decoder for Inmarsat video

> receiver, but I know very little about its specification.

> unfortunately I couldn't find any useful information on the net

> about FEC used in Inmarsat.

>

> I know the following information about this RS :

> - it is over GF(32) by primitive polynomial p(x) = x^5+x^2+1 = 37

> - Data length is 15 and parity length is 16, so having RS(31,15, 37)

>

> but the major problem is that I don't know it's generator polynomial

> g(x). using default Matlab RS encoder, I found that Matlab uses g(x)

> = (x+a^1)(x+a^2)...(x+a^16) as generator polynomial for rs(31,15). but

> I'm not sure it's the same as g(x) which used in Inmarsat standard.
This has nothing to do with the C language, and is off-topic here

on c.l.c. Try comp.programming. F'ups set.

--

Chuck F (cbfalconer at maineline dot net)

Available for consulting/temporary embedded and systems.

<http://cbfalconer.home.att.net>

--

Posted via a free Usenet account from

http://www.teranews.com