Should open a ticket with cambium, the engineers would probably like to investigate this scenario and identify the specifics.
On Sat, Apr 17, 2021, 11:09 AM Nate Burke <n...@blastcomm.com> wrote: > Forcing them both onto the sector, they have now been stable for over a > day. Weird. Some sort of issue with Mu-MIMO and the smart antenna? Like > it was trying to talk to both SM's at the same time but because they were > so close they were interfering with each other? > > On 4/16/2021 9:10 AM, Nate Burke wrote: > > No, I forced them both to the same antenna. I figured if it was timing > thing, then both on the same antenna should fix that. > > They've been up for the last hour since I forced them to the sector, > reporting same distance and identical Signal levels. > > On 4/16/2021 9:08 AM, Steve Jones wrote: > > Did you force one to each antenna? > > On Fri, Apr 16, 2021, 8:12 AM Nate Burke <n...@blastcomm.com> wrote: > >> Forcing them to the smart antenna didn't help, just forced them to the >> sector to see what happens. >> >> On April 15, 2021 7:07:15 PM CDT, Steve Jones <thatoneguyst...@gmail.com> >> wrote: >>> >>> If you're compounding it with multipath, those tiny timeslices probably >>> have more overlap to the same antenna. I dont know the math so I'm probably >>> wrong >>> >>> On Thu, Apr 15, 2021, 4:48 PM Nate Burke <n...@blastcomm.com> wrote: >>> >>>> I didn't think of that if they're using the 2 separate uplink >>>> antennas. But I would have thought the scheduler would keep that from >>>> happening. >>>> I just forced them both to the smart antenna. We'll see what happens. >>>> >>>> On 4/15/2021 4:38 PM, Steve Jones wrote: >>>> >>>> [image: image.png] >>>> >>>> If distance is fluctuating it could be multipath, eliminating that as >>>> much as possible will help. >>>> but having them on two different uplink antennas may help ensure the AP >>>> isnt "blinded" on the uplink. >>>> the AP Rx should be pretty much even, if theyre not and one is >>>> fluctuating more than the other it may be the multipath culprit. I >>>> dont know if theres shrouds for these like ubnt had, but if you have one of >>>> the old NSM shrouds you could try affixing it with the gap away from the >>>> other radio to shield the two somewhat. It wont fit all the way around but >>>> could give you an idea of whether you should go to the machine shop. I >>>> dont know if RFArmor is still a thing or not >>>> >>>> On Thu, Apr 15, 2021 at 4:22 PM Nate Burke <n...@blastcomm.com> wrote: >>>> >>>>> Yes, distance is fluctuating. Right now they're showing equal >>>>> distance. And both re-reged within 30 seconds of each other 10 minutes >>>>> ago. >>>>> >>>>> Do you mean set the preferred AP? >>>>> >>>>> Don't have a good way to get vertical separation. >>>>> >>>>> On 4/15/2021 4:18 PM, Steve Jones wrote: >>>>> >>>>> can also try locking one to the sector >>>>> >>>>> On Thu, Apr 15, 2021 at 4:17 PM Steve Jones <thatoneguyst...@gmail.com> >>>>> wrote: >>>>> >>>>>> Is the SM distance fluctuating? Can you get vertical separation, 18 >>>>>> inches? >>>>>> >>>>>> On Thu, Apr 15, 2021 at 3:51 PM Nate Burke <n...@blastcomm.com> >>>>>> wrote: >>>>>> >>>>>>> I have a rooftop that has an existing Force300-25 radio on it for >>>>>>> several months. I just added a new Force300-25 radio on a new mount >>>>>>> next to it, so they are separated by a few feet horizontally. Both >>>>>>> radios are now re-associating randomly to the EPMP3000Ap with Beam >>>>>>> Steering Antenna every couple hours. Has anyone else seen this? >>>>>>> These >>>>>>> are the only 2 SM's on the AP that are dropping. In the AP wireless >>>>>>> table, it also thinks that they are 0.5 miles different in >>>>>>> distance. >>>>>>> Signal levels are exactly the same. >>>>>>> >>>>>>> I've seen the Signal levels do strange things when EPMP SM's are >>>>>>> close >>>>>>> together, but I haven't seen the radios make each other drop out >>>>>>> before. >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> AF mailing list >>>>>>> AF@af.afmug.com >>>>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> AF mailing list >>>>> AF@af.afmug.com >>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>>> >>>> >>>> >>>> >>>> -- >>>> AF mailing list >>>> AF@af.afmug.com >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> >>> > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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