Magic sauce ;-)). The beamformer has to shape it’s beams to get the separation. 
I guess the results are not predictable and may be very different at different 
locations.





Von: Af [mailto:[email protected]] Im Auftrag von Forrest Christian (List 
Account)
Gesendet: Mittwoch, 2. November 2016 10:13
An: af <[email protected]>
Betreff: Re: [AFMUG] Cambium 450m



My understanding is that as long as it can get enough diversity between two sms 
it will transmit at the same time, up to 7 simultaneous transmissions.  Same 
for rx.

The key word here is diversity.  There are lots of different ways to get 
diversity.   Which of these cambium is able to exploit with the medusa I'm 
still not 100% clear on.  At least direction for sure.



On Nov 2, 2016 3:51 AM, "Kurt Fankhauser" <[email protected] 
<mailto:[email protected]> > wrote:

how many arrays are in in? 7 or 14? I wonder if it wont transmit on two 
adjacent arrays at the same time

Sent from my iPhone

Kurt Fankhauser
Wavelinc Communications
P.O. Box 126
Bucyrus, OH 44820
http://www.wavelinc.com
tel. 419-562-6405 <tel:419-562-6405>
fax. 419-617-0110 <tel:419-617-0110>

> On Nov 1, 2016, at 10:41 PM, George Skorup <[email protected] 
> <mailto:[email protected]> > wrote:
>
> Because it's capable of transmitting different data on each of the 7 2x2 MIMO 
> emitters in the same frame. aka MU-MIMO. Think about a single 2x2 sector. It 
> can talk to only one SM. Now add another sector facing the same direction. 
> You've doubled your capacity, right? Sure, but you're using twice the 
> spectrum. Put up 3x 30-degree or 5x 20-degree sectors. More spectrum, more 
> hardware. The cost of the hardware adds up, but is kind of a moot point. The 
> spectrum, or lack of, is not so moot.
>
>> On 11/1/2016 9:05 PM, Kurt Fankhauser wrote:
>> Also what I don't understand about Medusa, since it has a bunch of smaller 
>> sectors inside of it,, is the sectors inside of it running ABABABAB 
>> frequency re-use? Why is the SM's not getting interference from the adjacent 
>> array if they are all operating on same 20mhz frequency?
>



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