[srsran-users] implementing 1240-1300MHz for experiments (23cm Amateur Radio band) srsran-users

Tue Apr 4 10:16:07 UTC 2023

Hi,
I like this open source project for LTE and 5G using SDR-tx/rx.
Is there a way to get it working on 1200Mhz? Specifically between
1240-1300Mhz as this is the world wide band for Amateur Radio 
and we could use 2x10Mhz FDD or more to experiment with a private
(non-commercial, non-encrypted) 4G or 5G campus network.
We could even use more than 10W and high gain antennas on this band legally
with a ham license in many countries.

Any ideas?
Someone has tested already?
Thank you.

73 de
OE3MZC – Mike Zwingl
President 
____________________________________________

Institute of Citizen Science for Space & Wireless Communication
ICSSW-AMSAT-OE
Hoehenstr. 65
A-3040  Neulengbach
Mobil +43 664 3408388 
ZVR  1822992100
www.icssw.org
www.amsat-oe.com

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Betreff: srsran-users Digest, Vol 98, Issue 5

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Today's Topics:

   1. Re: Connection between UE and ENB lost after several seconds
      (Ameya Ramdurgkar)

----------------------------------------------------------------------

Message: 1
Date: Mon, 3 Apr 2023 18:05:04 +0000
From: Ameya Ramdurgkar <ameyasuresh at hotmail.com>
To: "srsran-users at lists.srsran.com" <srsran-users at lists.srsran.com>
Subject: Re: [srsran-users] Connection between UE and ENB lost after
	several seconds
Message-ID:

Content-Type: text/plain; charset="us-ascii"

Hi All,

I am also having the same error like this user who posted before me. I am
using SRS RAN version 22.10

Someone had posted that this had to do with the internal reference clock not
being stable enough. So i have tried to connect my SDR to an external
reference clock which is stable and the connection is still not stable.

Attached are the logs and the pcaps.

I noticed that an earlier version of SRSRan is more stable.

I must also remark that i am not using the Osmocomm SIMs, but this shouldn't
affect the stability of the connections should it?

Thank you in advance,

________________________________
From: srsran-users <srsran-users-bounces at lists.srsran.com> on behalf of
Jiangqi Hu <jqhu27 at gmail.com>
Sent: 31 March 2023 09:14
To: srsran-users at lists.srsran.com <srsran-users at lists.srsran.com>
Subject: [srsran-users] Connection between UE and ENB lost after several
seconds

Hi srsRAN team,

I am running the srsRAN suit. srsUE can attach to the network at the first
several seconds and the assigned IP address can be seen from the terminal.
But after several seconds, the connection is lost and I cannot ping srsUE
from srsEPC or vice versa. I attached the screenshots and log files to this
email.

Thanks for your help in advance.

Best,
Jiangqi
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