Re: [Discuss-gnuradio] Packet Loss Rate/Bit Error Rate

[George Nychis]

kaleem ahmad wrote:
> If someone has ever measured Quality of service of received data (using any
> modulation and daughter board but preferably RFX2400) in terms of packet
> loss rate/Bit Error Rate (or any other metric) with USRP & GNU Radio without
> any error correction (ARQ,FEC) mechanism (but no problem if you have with
> error correction mechnism) then please share your results here. 
>
> Actually without and error correction mechanism, with FSK, I am getting
> almost half of my data lost. I was thinking that it may be improved by
> adding some error correction mechanism. Or this high data loss is because of
> some implementation errors...What do you say ??????????

We have no idea what your actual setup is, so we have no clue whether or 
not error correction will truly help you.

It's like saying my computer crashed, and asking if a new hard drive 
will help.  Who knows, it all depends :)

Some questions that might help:
 - are you using coax?
 - are you using antennas?
 - what kind of gain are you using?
 - what kind of physical conditions?
 - what bitrate are you using?
 - are you seeing underruns at your receiver?

- George