topic Re: Backhaul Architecture for Wireless design in Wireless

Backhaul Architecture for Wireless design

Mit_har — Mon, 03 Nov 2025 03:59:40 GMT

Hi, we have below architecture for backhaul design, where root and mesh access points are kept at the same height.
1) 2 root access points (APs) are connected to the wired network.
2) mesh APs are used only for backhaul—they do not serve clients.

I would like to understand when performing a simulation in a coverage study, what kind of signal strength should I consider, Azimuth or Vertical?
If we have enough azimuth coverage between root and mesh access points, will the design work as intended? How root and mesh access points communicate to each other?

Re: Backhaul Architecture for Wireless design

Saikat Nandy — Tue, 04 Nov 2025 07:19:30 GMT

In mesh deployment, specifically the communication between RAP and MAP depends on the line of sight, rather than the coverage. of course there will be different antenna with antenna gain and those antenna will be able to cover certain distance, but as long as the line of sight is clear and within a valid range, it should work. This is one of the sessions from Cisco Live - https://www.ciscolive.com/c/dam/r/ciscolive/global-event/docs/2025/pdf/BRKEWN-2049.pdf. See if this helps.

Re: Backhaul Architecture for Wireless design

Mit_har — Sat, 08 Nov 2025 13:04:19 GMT

Thanks, Saikat, for your response. The presentation was very useful and clarified a lot. I have a few questions for which I could not find answers yet:

Can we use Universal Backhaul Access (UWA) in IW9167E, where the same radio can be used for both client service and backhaul communication? So we can use 2.4 GHz radio 1 for client access and 5 Ghz radio 2 for Client and backhaul access at root node and mesh node will be on 5GHz for backhaul communication only as URWB supports backhaul on 5 Ghz only.

Can we use both radios together, radio 1 and Radio 2, for backhaul communication with 5Ghz band with IW9167E?

Re: Backhaul Architecture for Wireless design

Saikat Nandy — Mon, 10 Nov 2025 12:02:48 GMT

You can not and you should not use both 2.4 & 5Ghz for backhaul - you have to pick one.
Secondly, yes you can use the same backhaul for client traffic as well - but not a preferred solution to be honest.

Re: Backhaul Architecture for Wireless design

Mit_har — Wed, 19 Nov 2025 10:55:02 GMT

Thanks.

Our plan is to use only one omni directional antenna for mesh points as LOS is good towards root access points.

my question is, do we need two antennas to provide backhaul communication with two access points or one is enough as there is enough LoS with two roots and mesh is placed exactly in between.