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RE: stds-802-16: RS encode example



Sorry, I missed the page number reference.  I was referring to problems in
the OFDMA section.

Ron

> -----Original Message-----
> From: Roger B. Marks [mailto:r.b.marks@ieee.org]
> Sent: Tuesday, July 15, 2003 9:00 AM
> To: stds-802-16@ieee.org
> Subject: RE: stds-802-16: RS encode example
> 
> 
> [Forwarded for a nonsubscriber.]
> 
> Leo
> I agree with Jon that the RS encoding example is correct and 
> the example is
> only wrong from the interleaved data onwards. I contributed 
> some Matlab code
> to Tga around the time of the D7 spec which you may find helpful. See
> 802.16a-02/102v2.zip. I didn't give source code for the RS 
> encoder core
> but you should be able to see my interpretation of how to shorten the
> 255,239
> code in the top level source.
> Neil
> 
> -----Original Message-----
> From: owner-stds-802-16@majordomo.ieee.org
> [mailto:owner-stds-802-16@majordomo.ieee.org]On Behalf Of 
> Jonathan Labs
> Sent: 15 July 2003 15:16
> To: 'Ron Murias'; stds-802-16@ieee.org; 'Roger B. Marks'
> Subject: RE: stds-802-16: RS encode example
> 
> 
> Actually, Ron, I worked through the example for the RS 
> encoder, which Leo
> refered to, and I found that what was given in the 
> P802.16a/D7-2002 document
> on p. 159 to be correct.  I did get the same parity byte information.
> 
> What was incorrect was the interleaving example, for which a 
> correction has
> already been included in the P802.16d/d2 draft.
> 
> Jon
> 
> -----Original Message-----
> From: owner-stds-802-16@majordomo.ieee.org
> [mailto:owner-stds-802-16@majordomo.ieee.org]On Behalf Of Ron Murias
> Sent: Monday, July 14, 2003 10:33 PM
> To: stds-802-16@ieee.org; Roger B. Marks
> Subject: Re: stds-802-16: RS encode example
> 
> 
> Several of us have completed and are currently reviewing 
> corrections for the
> mistakes you mention and will submit those corrections within 
> the next two
> days.
> 
> ----- Original Message -----
> From: "Roger B. Marks" <r.b.marks@ieee.org>
> To: <stds-802-16@ieee.org>
> Sent: Monday, July 14, 2003 11:43 AM
> Subject: stds-802-16: RS encode example
> 
> 
> >  {Forwarded for a nonsubscriber.}
> >
> >  >Did anyone out there actually work through the coding 
> example listed in
> >  >p.159 of P802.16a/D7-2002 document?  I found the original document
> "Example
> >  >Uplink Encoding" (IEEE802.16abc-01/54) produced by Mike 
> Puff where the
> >  >coding example is first provided.  I noticed the 2 
> examples do not match
> and
> >  >I could not obtain the same check symbols as either of 
> the Reed-solomon
> >  >encoded data.  I followed the guideline on how to obtain 
> shorten and
> >  >punctured code listed in 8.4.3.2.1
> >  >
> >  >Please advice.
> >  >
> >  >Thx.
> >  >
> >  >Zhiqun (Leo) Liu
> >  >KatanaMe, Inc.
> >  >345 Shoreway Road
> >  >San Carlos, CA 94070
> >  >Tel: 650-593-2294
> >  >Fax: 650-593-2296
> >  >zliu@kataname.com
> >
>