[srsran-users] srsENB @20Mhz BW

Sat Aug 27 06:29:49 UTC 2022

Hello Philip,
thanks for the feedback. That explains a lot.
Unlike the UE, the eNB has continuous TX activity, which is presumably 
responsible for the additional load.

Best regards,
Robert

On 26.08.22 18:18, Philip Shaw wrote:
> Hello all,
>
> This update is to assist others that may experience the issue I have had.
>
> It turns out a cable USB-C to USB-B used for the bladeRF, marked as USB 3.0 was in fact a 2.0 cable.  I found this out by the diameter not being correct for the extra current.
>
> The effect this had was to limit the data rate such that when the bladeRF was a EPC/ENB, it would not allow a UE to connect at >3Mhz BW.  I still don't understand why it works as a UE at 20Mhz BW but hay.
>
> Replacing the faulty cable fixed the issue.
>
> Cheers.
>
> -----Original Message-----
> From: Philip Shaw
> Sent: 19 August 2022 16:53
> To:srsran-users at lists.srsran.com
> Subject: srsENB @20Mhz BW
>
> Hello,
>
> I have some additional information that may help point to the problem.
>
> If I increase the bandwidth >3Mhz, the trace of the ENB starts running with (or similar numbers to 461) this:
>
> RF status :O=461, U:0, L=0  the UE does not see or connect to the ENB
>
> On BW below 15Mhz there is no trace output ant the UE connects
>
> Thank you
>
> Philip
>
> -----Original Message-----
> From: Philip Shaw
> Sent: 17 August 2022 16:45
> To:srsran-users at lists.srsran.com
> Subject: RE: srsran-users Digest, Vol 90, Issue 20
>
> Hi
>
> Thank you for the help. Because the link EPC to UE works one way (UE bladeRF) and the config files are the same on both PC's, I not sure how it can be the config, but it's a good idea to reinstall fresh so both PC's are at the same version (srsRAN)
>
> May I ask what's the recommended version of Linux Ubuntu please? Or do I simply install the very latest.
>
> I am really clutching at any possible outside issue of Hardware Linux version or even the FPGA versions.
>
> Kind regards
>
> Philip
>
> -----Original Message-----
> From: srsran-users<srsran-users-bounces at lists.srsran.com>  On Behalf Ofsrsran-users-request at lists.srsran.com
> Sent: 17 August 2022 11:50
> To:srsran-users at lists.srsran.com
> Subject: srsran-users Digest, Vol 90, Issue 20
>
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> Today's Topics:
>
>     1. Re: Basestation name change (Robert Falkenberg)
>     2. Re: srsENB @ 20Mhz BW (Robert Falkenberg)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 17 Aug 2022 12:42:57 +0200
> From: Robert Falkenberg<robert.falkenberg at srs.io>
> To:srsran-users at lists.srsran.com
> Subject: Re: [srsran-users] Basestation name change
> Message-ID:<e48e7fb1-7dcb-b904-a8b9-f33411811f80 at srs.io>
> Content-Type: text/plain; charset="utf-8"; Format="flowed"
>
> Hi Henry,
>
> Take a look here:
>
> |$ grep -r -i "Software Radio Systems R" srsepc/src/main.cc:
> ("mme.full_net_name",
> bpo::value<string>(&full_net_name)->default_value("Software Radio Systems RAN"), "Full name of the network") |
>
> Best regards,
> Robert
>
> On 15.08.22 14:36, Henry Rood wrote:
>
>> Good day all
>>
>> I dont know if this is been ask before
>>
>> I want to change the base station name from Software Radio Systems RSr
>> 4G to Henry's LTE 4G
>>
>> Any pointers will do
>>
>> p.s. i am no coder or linux fundi
>>
>> Regards
>> Henry
>> ZS6IIX
>>
>> This is for testing and playing around .
>>
>>
>>
>>
>> Get Outlook for Android<https://aka.ms/AAb9ysg>
>>
>> _______________________________________________srsran-users
>> mailinglistsrsran-users at lists.srsran.comhttps://lists.srsran.com/mailm
>> an/listinfo/srsran-users
> ?

-- 

      RobertFalkenberg

Senior Engineer

Software Radio Systems

	robert at srs.io <mailto:robert at srs.io>

	www.srs.io <//www.srs.io>

	Dortmund, Germany

twitter <https://twitter.com/srssystems> 	
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