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Neels Hofmeyr nhofmeyr at sysmocom.deOn Thu, Feb 07, 2019 at 03:39:29PM +0200, Mykola Shchetinin wrote: > Dear Osmocom community, > > Does somebody have experience using multiple 3G femtocells connected to a single > HNBGW? Do cell reselection and handover work properly? How did you configure it? > > Also, Osmocom (or Syscmocom?) used 3G networks at Congress 35c3. Were you using > multiple femtocells? > > Were they connected to the same HNBGW? How did you configure them for cell > reselection and handover to work smoothly? 35c3 GSM team used multiple femto cells, but handover requires MSC interaction (inter-"BSC" or inter-RAT handover procedures) which I am only just adding to osmo-msc now, in the course of inter-MSC handover support. So we simply attached N nano3G to a single hnbgw and the msc, and did not support 3G handover. Once we might support that: I'm not sure how to tell a nano3G about neighbors, nor am I sure about 3G handover procedures. I know though that the RTP is forwarded femto <-> MSC, so *something* needs to switch it. Cell reselection should work AFAICT, though I didn't test for that specifically. What I did see working well on 35c3 is that a phone for which the CN disallowed 3G access camped over to 2G and vice versa. ~N -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20190207/6d9f534b/attachment.bin>