hello all I am QRV4 Chat 14.073 USB ARQ / FEC CQ CQ Michel F1ABLMessage 1 of 149 , Jun 18, 2012View Source
hello allI am QRV4 Chat 14.073 USB ARQ / FEC CQ CQMichel F1ABL
Rick, What about comparing BER between the two? You may have noticed David Rowe added a BER indicator in FreeDV. Between that and SNR estimation, theMessage 149 of 149 , Sep 3View SourceRick,What about comparing BER between the two? You may have noticed David Rowe added a BER indicator in FreeDV. Between that and SNR estimation, the performance of its modem can be evaluated by the user.Mel, K0PFX----- Original Message -----From: Rick MuethingSent: Tuesday, September 03, 2013 7:30 AMSubject: Re: AW: [V4Protocol] New file uploaded to V4ProtocolSigi,Yes that is possible...you can do a lot in software but it would be a much more complex Chat program and I’m not sure it is worth the effort. When I get back I’ll look into it but it may be better to put in a mechansim to send the same FEC file on V4 and H4 and simply measure the errors. I can easily do that when I have access to my HF channel simulator again.73,
> The goal here is to evaluate this new protocol which I believe will
> eventually be better and have lower latency than V4. Currently only the
> FEC version is on the FTP site. When calling we can still use the
> "watering hole frequencies" but the signal (though it sounds similar)
> cannot be copied by the other TNC type.
Would it be possible to make one softwarew that can be switched between
Then comparing would be easier ... faste switch between modes and see what
works best ... (no need for that soft to copy BOTH modes together ... but
would be a nice add on)
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2013.0.3392 / Virus Database: 3222/6629 - Release Date: 09/01/13