Wireless Access

Occasional Contributor II

MIMO Antennas in Different Directions



Is it possible to have a 3x3 directional antenna system connected to a single AP with each of the 3 antennas pointing a different direction?


Obviously the throughput would be limited to 1 antenna at one time. It would effectively be a single AP with a very strange shaped cell.


Are there any examples of this in the wild?




Re: MIMO Antennas in Different Directions

This is not possible.  All antenna elements must be oriented the same -- same direction and on the same plane.  You need multiple radios, each with their own antennas.  We have a quad-radio AP, the MSR4000, that can do this. 


Please take a look at our Outdoor VRD :http://www.arubanetworks.com/wp-content/uploads/OMWN_VRD_2012-01-04-1.pdf



Re: MIMO Antennas in Different Directions

I agree with Marcus.  In the very least you'll have 'hidden node' problems with clients.  The only time this would be acceptable is a point to multi-point link, which I'm sure is covered in the guide.

If my post is helpful please give kudos, or mark as solved if it answers your post.

Occasional Contributor II

Re: MIMO Antennas in Different Directions

Thanks for the answers, sounds reasonable 

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