Tom Rondeau wrote:
On Mon, Jan 9, 2012 at 2:24 AM, Kouta NISHIDA
<nish...@infonet.cse.kyutech.ac.jp
<mailto:nish...@infonet.cse.kyutech.ac.jp>> wrote:
Hi all,
Now I use tunnel.py with USRP2.
I set bitrate when I run tunnel.py.
I cannot change the bitrate until I finish tunnel.py.
But, I want to change bitrate dynamically when I am running tunnel.py.
Does anyone know the ways to change bitrate dynamically?
regards,
kouta
Hi Kouta,
It's not set up to work that way right now, but you should be able to
hack it to do what you want.
There are a couple of settings that affect the bitrate: the rate of
the USRP and the number of samples per symbol (sps). In the current
implementations of the PSK modulations, you can set a real number for
the sps, so you should be able to change that to affect the bit rate.
But remember, look for any place that is used since you'll have to
also reset the taps for the filters on both the RX and TX sides.
You can also set the sample rate of the USRP as well to affect this.
Let us know how you do with this.
Tom
Thank you for your advice.
I will try setting the sample rate of the USRP to change bitrate
dynamically.
I found the parameter that Actual Bitrate with pick_bitrate.py
Is the sample rate of the USRP Actual Bitrate ?
Would you tell me it if there are the file and parameter that I should
pay attention to ?
regards,
kouta
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