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Re: [Discuss-gnuradio] Delay determination between Tx and Rx signal for


From: CEL
Subject: Re: [Discuss-gnuradio] Delay determination between Tx and Rx signal for limesdr mini with help of gnu radio.
Date: Mon, 15 Jul 2019 15:04:10 +0000

Also, without knowing, I'm almost certain that 64kS/s is not a possible
sampling rate for the device. You really might want to read the console
output very closely!
On Mon, 2019-07-15 at 14:56 +0000, Müller, Marcus (CEL) wrote:
> So, first of all: 
> 
> never use "Throttle" in a flow graph with hardware. 
> In fact, GRC will *scream* at you that you shouldn't be doing that! 
> 
> Then: I can't claim to have any knowledge of the limeSDR driver, but
> unless that driver specifically allows you to start the TX and RX
> streaming at the exact same instance: That delay is not a deterministic
> value.
> 
> Best regards,
> Marcus
> 
> On Mon, 2019-07-15 at 16:46 +0200, Md. Atiqur Rahman wrote:
> > Hello Guys, I am having trouble to find the proper delay point between Rx 
> > and Tx signal while running the qpsk modulation scheme on gnu radio to my 
> > Limesdr mini board. While I am running the program through limesdr, I 
> > realize that it has a greater delay between (as expected). However, until 
> > now I am unable to find the proper amount of delay. I am changing the range 
> > of the delay from gui range(int type) to find the delay which will give me 
> > the synchronized Rx and Tx so that I could ensure that there is no missing 
> > data at the receiver side. 
> > 
> > I attach the file here in this email. Hope anybody would like to help. 
> > Thanks in advance.
> > 
> > Sincerely,
> >  Atiqur 
> > 
> > _______________________________________________
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> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> 
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