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Sipos Csaba sipos.csaba at kvk.uni-obuda.huHi Harald, SCF has a similar thing for 3G femtos, but its pretty much the same L1 implementation and not talking about the management of the femtos. I actually looking into these units: http://www.ebay.com/itm/AT-T-3G-MicroCell-signal-booster-DPH151-AT/161858135473?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D33873%26meid%3D41d794ede0bf4edba3633feaa00b4db3%26pid%3D100005%26rk%3D2%26rkt%3D6%26sd%3D291591420414 There is a lot of them, they are fairly cheap, I already know they run embedded linux (95% that its not VxWorks), and it is a Cisco product. If you or nobody has any opposition (know something that makes this unit a near impossible candidate), I will probably buy one and take a look. It seems the successor of this product is also embedded linux, and it seems AT&T deploys them in huge quantities, so this seems to be a good candidate. Regards, Csaba ----- Eredeti üzenet ----- Feladó: "Harald Welte" <laforge at gnumonks.org> Címzett: "Sipos Csaba" <sipos.csaba at kvk.uni-obuda.hu> Másolatot kap: "OpenBSC Mailing List" <openbsc at lists.osmocom.org> Elküldött üzenetek: Szombat, 2015. Október 17. 20:20:09 Tárgy: Re: Femto - IuH On Sat, Oct 17, 2015 at 03:50:52PM +0200, Sipos Csaba wrote: > Do you think that these vendor agnostic implementations can cahnge > with the small cell forum API? no. > http://scf.io/en/documents/082_-_LTE_eNB_L1_API_definition.php This is the Layer 1 API between the PHY and the MAC/RLC layer. This is _very_ far from the Iuh interface. Compare it with the L1SAP interface of OsmoBTS. And Iuh is on th level of the A interface, not even Abis. Also, this API is for LTE, not for UMTS. > Do we know any femtos on the market that actually is compatible with > this API? And if we have one, can that help us? You can find transceiver hardware + PHY implementations that offer this L1 API. However, that is not a complete (femto/small) cell, but the hardware plus the PHY. I don't think anyone will quickly come about and implement all the missing layers, so in the context of developing a NITB with Iuh interface, it doesn't really help. > Or maybe you have some specific models in mind you always wanted to > try but never had the time? If you have any recommendations I would be > happy to look into them. I haven't really looked at any femtocells for a very long time. -- - Harald Welte <laforge at gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)