Hi ,
I tried bit rate 1.0e6 and it make no different,I could still see a lot U
in the middle of string point.
What's the next step
Best Regard,
Philip Liu
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Today's Topics:
15. Error at the X310 transmitter (Philip_liu)
18. Re: Error at the X310 transmitter (Marcus D. Leech)
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Message: 15
Date: Tue, 27 Nov 2018 22:10:53 +0800
From: "Philip_liu" <philip_...@tnm-corad.com.cn>
To: "usrp-users" <usrp-users@lists.ettus.com>
Cc: "De_yu" <de...@tnm-corad.com.cn>, "Damon.qiu"
<damon_...@tnm-corad.com.cn>
Subject: [USRP-users] Error at the X310 transmitter
Message-ID:
<87630663-d4e2-4c9f-8815-2379e536ca68.philip_...@tnm-corad.com.cn>
Content-Type: text/plain; charset="utf-8"
Hi everyone,
I was trying to transmit a signal from X310 for test,and an error occured, the
bit is 200bps,not big enough to adjust thread priority?But shows a long period
of interspersed with a lot of capital letters U in the middle of the string in
the terminal.There is no problem at the receiving end.
The system is Ubuntu 14.04 LTE,UHD is version v3.10.2.0,Gnuradio is version
v3.7.8.
The code I enter:
cd /usr/local/share/gnuradio/examples/digital/narrowband
python benchmark_tx.py -f 440e6 -r 200e3 -m gfsk -A TX/RX --tx-gain=20
Best Regard,
Philip Liu
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Message: 18
Date: Tue, 27 Nov 2018 09:33:15 -0500
From: "Marcus D. Leech" <patchvonbr...@gmail.com>
To: usrp-users@lists.ettus.com
Subject: Re: [USRP-users] Error at the X310 transmitter
Message-ID: <5bfd55ab.6050...@gmail.com>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
On 11/27/2018 09:10 AM, Philip_liu via USRP-users wrote:
> Hi everyone,
>
> I was trying to transmit a signal from X310 for test,and an error
> occured, the bit is 200bps,not big enough to adjust thread priority?
> But
> shows a long period of interspersed with a lot of capital letters U in the
> middle
> of the string in the terminal.There is no problem at the receiving end.
>
> The system is Ubuntu 14.04 LTE,UHD is version v3.10.2.0,Gnuradio is
> version v3.7.8.
>
> The code I enter:
> cd /usr/local/share/gnuradio/examples/digital/narrowband
> python benchmark_tx.py -f 440e6 -r 200e3 -m gfsk -A TX/RX --tx-gain=20
>
> Best Regard,
> Philip Liu
>
>
What happens when you increase the bit rate to 1.0e6?
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