[srsran-users] N310 for LTE and 5G tests

[Andre Puschmann]

Hey guys,

the N310 works very stable with srsRAN but you need to make sure to use 
the right options and also a recent UHD version. UHD 3.15 does not work 
well with the N310. See the suggestions in [1].

Cheers
Andre


[1] 
https://docs.srsran.com/en/latest/app_notes/source/5g_nsa_cots/source/index.html?highlight=n310#ettus-research-usrp-n310


On 22/2/23 0:29, Nadia Patricia Yoza Mitsuishi wrote:
> Hey Debashisha,
> 
> I only tried with LTE and 5G SA, both with 10 MHz, but it didn't work. I 
> connected a 10 Gigabit Ethernet card, but I'm still not able to get the 
> UE attached to the eNB or gNB. Do you know if anyone has got it to work 
> at least with less bandwidth?
> I'll let you know if something changes.
> 
> Best,
> 
> On Sat, Feb 18, 2023 at 6:57 AM Debashisha Mishra 
> <debashisha.mishra at univ-lorraine.fr 
> <mailto:debashisha.mishra at univ-lorraine.fr>> wrote:
> 
>     Hi Nadia,
> 
>     Does this configuration work for you in case of LTE 20 MHz?
>     Did you manage to make it work in 5G SA, 20 MHz?
> 
>     Thank you.
> 
> 
>     ----- On Oct 28, 2022, at 4:33 AM, Nadia Patricia Yoza Mitsuishi
>     <Nadia.YozaMitsuishi at colorado.edu
>     <mailto:Nadia.YozaMitsuishi at colorado.edu>> wrote:
> 
>         Hello everyone,
> 
>         We are trying to use N310 SDRs for srsRAN LTE tests as a first
>         step and then use them for 5G SA E2E. With LTE, the eNB is
>         unstable, so the UE never gets attached to it. I was trying with
>         the following parameters, basically to adjust the sampling rate,
>         but it still doesn't work:
> 
>         srate = 15.36e6
>         device_name = uhd
>         device_args = type=n3xx, clock=external ,sampling_rate=15.36e6
> 
>         [expert]
>         lte_sample_rates = true
> 
>         I'm using the following:
> 
>         - Ubuntu 20.04
>         - srsRAN 22.04
>         - 5.4.0-125-lowlatency kernel
>         - N310
>         - UHD 3.15-LTS
>         - tx_gain=80, rx_gain=40
>         - Fixed attenuator at TX output: 30 dB
> 
>         Are there any parameters we should consider for N310? Also, if
>         you have any suggestions about using N310 for 5G SA E2E, please
>         let me know.
> 
>         Thanks,
> 
>         _______________________________________________
>         srsran-users mailing list
>         srsran-users at lists.srsran.com <mailto:srsran-users at lists.srsran.com>
>         https://lists.srsran.com/mailman/listinfo/srsran-users
>         <https://lists.srsran.com/mailman/listinfo/srsran-users>
> 
> 
> _______________________________________________
> srsran-users mailing list
> srsran-users at lists.srsran.com
> https://lists.srsran.com/mailman/listinfo/srsran-users

-- 
Andre Puschmann

Software Radio Systems (SRS)
https://www.srs.io
andre at srs.io

PGP/GnuPG key: 0x204A85DFEA324D58
fingerprint: 3924 1C60 D52E 81A2 1F2E 0C9D 204A 85DF EA32 4D58