Mu-mimo it is On Sun, Sep 13, 2020, 8:03 PM Ken Hohhof <af...@kwisp.com> wrote:
> That must mean something different than I was thinking. Like 64 time > slices for different traffic, or dividing the 360 degrees into 64 antenna > beams. > > > > *From:* AF <af-boun...@af.afmug.com> *On Behalf Of *Mike Hammett > *Sent:* Sunday, September 13, 2020 8:11 PM > *To:* AnimalFarm Microwave Users Group <af@af.afmug.com> > *Subject:* Re: [AFMUG] Cell signals. > > > > Sprint\T-Mo has done 64x64. > > > > ----- > Mike Hammett > Intelligent Computing Solutions <http://www.ics-il.com/> > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > Midwest Internet Exchange <http://www.midwest-ix.com/> > <https://www.facebook.com/mdwestix> > <https://www.linkedin.com/company/midwest-internet-exchange> > <https://twitter.com/mdwestix> > The Brothers WISP <http://www.thebrotherswisp.com/> > <https://www.facebook.com/thebrotherswisp> > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > ------------------------------ > > *From: *"Ken Hohhof" <af...@kwisp.com> > *To: *"AnimalFarm Microwave Users Group" <af@af.afmug.com> > *Sent: *Sunday, September 13, 2020 7:13:45 PM > *Subject: *Re: [AFMUG] Cell signals. > > I still can’t wrap my head around how they get ∞x∞ MIMO and 1.21 gigawattsbits > from 5 MHz of spectrum. I understand MU-MIMO and beamsteering and all > that, but when they start tossing around stuff like 8x8 MIMO I don’t see > how you get that many orthogonal signals on the same frequency. > > > > But for maximum spectral efficiency, I assume they use more than 1 > polarization, whether V&H or +45 & -45. > > > > *From:* AF <af-boun...@af.afmug.com> *On Behalf Of *Chuck McCown > *Sent:* Sunday, September 13, 2020 6:54 PM > *To:* AnimalFarm Microwave Users Group <af@af.afmug.com> > *Subject:* Re: [AFMUG] Cell signals. > > > > I have a passive antenna experiment in the works. Rather than guess at > the right slant, I think I will try V pol initially. > > Sent from my iPhone > > > > On Sep 13, 2020, at 4:12 PM, Matt Hoppes < > mattli...@rivervalleyinternet.net> wrote: > > > > When GSM began they started using vertical polarization. But as the need > for capacity arose antennas changed to slant 45 X polarization. > > > > On Sep 13, 2020, at 5:51 PM, Jaime Solorza <losguyswirel...@gmail.com> > wrote: > > > > V > > > > On Sun, Sep 13, 2020, 3:48 PM Matt Hoppes < > mattli...@rivervalleyinternet.net> wrote: > > Slant 45 > > > On Sep 13, 2020, at 4:51 PM, Chuck McCown <ch...@wbmfg.com> wrote: > > > > Are cell signals V pol? > > > > Sent from my iPhone > > > > -- > > 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 > > > -- > 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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