Hi Community,
Does anyone successfully run a 3G network using OSMOCOM elements?
Currently we are trying to run the following OSMO elements using this URL "https://osmocom.org/projects/cellular-infrastructure/wiki/Osmocom_Network_In....
Instead of using a 3G femto cell as HnodeB, does anyone tried to use UMTRX, B210, and LimeSDR?
Is there other software that will act as HnodeB between the SDR and OSMOHNBGW?
TIA.
Best Regard,
Ron Menez ron.menez@entropysolution.commailto:ron.menez@entropysolution.com
Hello Ron,
As far as I know the only project that aims to do a NodeB using SDR is this:
http://openbts.org/w/index.php?title=OpenBTS-UMTS
Many people also try to use commercial femtocells - so far without any luck if I am correct. Sysmocom IIRC was/is in negotiation of cresting a working femtocell with some vendors, but my memory might be wrong on that. And of course there is the nano3G too.
Cheers, Domi
2018. dec. 19. dátummal, 2:46 időpontban Ron ron.menez@entropysolution.com írta:
Hi Community,
Does anyone successfully run a 3G network using OSMOCOM elements?
Currently we are trying to run the following OSMO elements using this URL "https://osmocom.org/projects/cellular-infrastructure/wiki/Osmocom_Network_In....
Instead of using a 3G femto cell as HnodeB, does anyone tried to use UMTRX, B210, and LimeSDR?
Is there other software that will act as HnodeB between the SDR and OSMOHNBGW?
TIA.
Best Regard,
Ron Menez ron.menez@entropysolution.com
Thanks Domonkos for the input.
Best Regard,
Ron Menez ron.menez@entropysolution.commailto:ron.menez@entropysolution.com
On Dec 19, 2018, at 3:22 PM, Tomcsányi, Domonkos <domi@tomcsanyi.netmailto:domi@tomcsanyi.net> wrote:
Hello Ron,
As far as I know the only project that aims to do a NodeB using SDR is this:
http://openbts.org/w/index.php?title=OpenBTS-UMTS
Many people also try to use commercial femtocells - so far without any luck if I am correct. Sysmocom IIRC was/is in negotiation of cresting a working femtocell with some vendors, but my memory might be wrong on that. And of course there is the nano3G too.
Cheers, Domi
2018. dec. 19. dátummal, 2:46 időpontban Ron <ron.menez@entropysolution.commailto:ron.menez@entropysolution.com> írta:
Hi Community,
Does anyone successfully run a 3G network using OSMOCOM elements?
Currently we are trying to run the following OSMO elements using this URL "https://osmocom.org/projects/cellular-infrastructure/wiki/Osmocom_Network_In....
Instead of using a 3G femto cell as HnodeB, does anyone tried to use UMTRX, B210, and LimeSDR?
Is there other software that will act as HnodeB between the SDR and OSMOHNBGW?
TIA.
Best Regard,
Ron Menez ron.menez@entropysolution.commailto:ron.menez@entropysolution.com
Hi Ron and Domi,
On Wed, Dec 19, 2018 at 08:22:53AM +0100, Tomcsányi, Domonkos wrote:
As far as I know the only project that aims to do a NodeB using SDR is this:
As usual for OpenBTS architecture, it is missing all the normal 3GPP system architecture, interfaces and protocols. In order to get this working within Osmocom, one would have to remove all core network components from OpenBTS-UMTS (no GGSN, SGSN) and keep only the NodeB + RNC related parts. If one then adds an IuPS interface, one could hook it up with OsmoSGSN and use it together with the remaining osmocom stack.
It sounds like a fun project, and I'd love to work on that if I had time and if there weren't plenty of higher priority tasks at this point.
So until somebody takes the approach above, one can only use femtocells with Iuh interface in the Osmocom universe. Please note that you also must "own" the cell on a technical level, i.e. it must not be locked down to a given operator.
Regards, Harald
On Tue, Dec 18, 2018 at 02:17:31AM +0000, Ron wrote:
Hi Community,
Does anyone successfully run a 3G network using OSMOCOM elements?
The main obstacle is 3G voice, as has been discussed numerous times lately. Only 3G<->3G voice works, because we cannot unmangle the IuUP of 3G voice yet. Will not work: transcode to a PBX or interop with 2G.
Mykola recently expressed interest in implementing that, but it remains an open issue, desirable to be solved, but yet unfunded.
Currently we are trying to run the following OSMO elements using this URL "https://osmocom.org/projects/cellular-infrastructure/wiki/Osmocom_Network_In....
Instead of using a 3G femto cell as HnodeB
We have the nano3G and the SysmoCell5000 series sold by sysmocom.
Is there other software that will act as HnodeB between the SDR and OSMOHNBGW?
The point is that an hNodeB contains an RNC that we happily use. There is no free/open source RNC available apparently, so that is considerable development effort.
Expressed in 2G terms, it is as if the osmo-bsc were missing.
does anyone tried to use UMTRX, B210, and LimeSDR?
It's not a question of "try", the point is that there is no 3G capable phy to drive the SDR with.
In 2G terms, it is as if osmo-bts-trx were missing.
Anyone willing to invest time there is more than welcome. It is a considerable effort though.
~N
-
Harald Welte -
Neels Hofmeyr -
Ron -
Tomcsányi, Domonkos