Andreas, Out of curiosity how did att end up with FDD and you have TDD? I thought half the reason the uplink and downlink channel were the way they were in licensed bands was so that this type of thing didn't happen?
> On Sep 12, 2016, at 10:03, Terry Duchcherer <[email protected]> wrote: > > But aren’t you using 3000’s while most of us are using 1000’s? > > Terry > > > From: [email protected] [mailto:[email protected]] On Behalf Of > Andreas Wiatowski > Sent: Monday, September 12, 2016 7:56 AM > To: [email protected] > Subject: Re: [Telrad] UE roaming on 6.6? > > We are currently on a BETA enodeB build with Handover enabled. I have not > verified in the field yet but the tech at Telrad has told me that it is doing > what it is supposed to do on 3 smaller towers. We are using 2.3Ghz and we > are having Ducting issues with AT&T (They use FDD)…the FDD uplink channel is > 2355@10Mhz…so during Ducting some of our tower users at 2355Mhz get pushed to > sectors running 2310Mhz but never return to their original sectors…the HO > should solve this. Once we are satisfied and roll it our on the entire > network I can certainly let you all know. The new build enables the X2 > interface which is necessary for successful HO. > > Cheers, > ______________________________ > Andreas Wiatowski | CEO > Silo Wireless Inc. > Email [email protected] > 19 Sage Court > Brantford, Ontario N3R 7T4 (CANADA) > Tel +1.519.449.5656 Extension-600|Fax +1.519.449.5536 |Toll Free > +1.866.727.4138 > > From: [email protected] [mailto:[email protected]] On Behalf Of > Matthew Carpenter > Sent: Sunday, September 11, 2016 9:45 AM > To: Telrad List <[email protected]> > Subject: Re: [Telrad] UE roaming on 6.6? > > Hey Jeremy, > > We are seeing the same issue here. I talked to David @ Telrad about setting > up the handover. > He said it was not currently setup to work the way we would want and would > more then likely cause UE's to ping/pong back and forth between eNBs. > > I have not tried it, but I would think that if handover was set to move UE's > with CINR <=5 then it would force those UE's to move to a better eNB. > That might leave some UE's with CINR of 6-10 that would need to move but > would not. If the handover threshold works up to ~15 CINR (just to try to > get all of them) then UE's might ping/pong back and forth between eNB's. You > might end up with a hand full of UE's that need to move but don't hit the > handover threshold. > > Need more details from Telrad on how that works -- all assumptions on my part. > > Matt Carpenter > > > On Sat, Sep 10, 2016 at 9:29 PM, Jeremy Austin <[email protected]> wrote: > Has anyone had any success with roaming in release 6.6? I'm seeing a > situation on a 360° site where if we take one ENB down (say, a config > change), UEs on the edge can easily associate with the "wrong" ENB. > > The UEs stay on the wrong ENB even when the stronger signal comes back > online. We aren't currently using frequency lock. > > Theoretically the handover thresholds can be manipulated (RSRP) to allow the > UEs to migrate back to the "right" ENB, once it comes back online, correct? > > Or is the only working approach right now to lock each UE to a specific > frequency? > > Thanks > > -- > Jeremy Austin > > (907) 895-2311 > (907) 803-5422 > [email protected] > > Heritage NetWorks > Whitestone Power & Communications > Vertical Broadband, LLC > > Schedule a meeting: http://doodle.com/jermudgeon > > _______________________________________________ > Telrad mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/telrad > > > > > -- > Matthew Carpenter > 806-316-5071 office > 806-236-9558 cell > > > _______________________________________________ > Telrad mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/telrad
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