The 802.11ac Quantenna chipset uses client SNR, RSSI, PHY rate, SSID beacons, etc...to measure noise/interference and make channel changing decisions.
On Wed, Nov 16, 2016 at 12:50 PM, George Skorup <[email protected]> wrote: > I think part of (maybe the) problem with auto channel selection is that it > will look for the channel with the least number of 802.11 beacons. So if > your non-802.11 radio is transmitting, it may be drowning out any 802.11 > stuff on the same or adjacent channels and make it look cleaner than it > really is. > > I believe this is one of the things that Cambium did with ACS on ePMP. It > looks at 802.11 beacons as well as background noise. > > > On 11/16/2016 12:26 PM, Robert Andrews wrote: > >> Auto on most routers typically is only choosing when the router reboots. >> So.. Power outage/glitch, router boots, looks around, sees no other >> traffic ( because all other routers nearby are rebooting because of same >> glitch ), settles on first channel. Ditto for all other routers, and >> _then_ they start talking... Oops we are all on the same channel... >> >> Repeat ad nausium... >> >> On 11/16/2016 09:39 AM, That One Guy /sarcasm wrote: >> >>> We were talking about this the other day, it seems often that "auto" on >>> consumer routers tends to pick the noisiest channel for some reason. >>> >>> On Wed, Nov 16, 2016 at 11:32 AM, Brian Sullivan >>> <[email protected] <mailto:[email protected]>> wrote: >>> >>> Hi, I believe I am seeing a customer's router using the same channel >>> we are delivering their service on. >>> Our user's power level stayed constant but SNR dropped 20dB during >>> their 9 hour download. Neighbors are unaffected. >>> And it seems like just one device is the house is using that band >>> because there's traffic earlier in the day that doesn't affect SNR. >>> >>> Other than providing a router or being a FTTH ISP, how do you handle >>> avoiding this type of mess? >>> >>> >>> >>> >>> >>> >>> -- >>> If you only see yourself as part of the team but you don't see your team >>> as part of yourself you have already failed as part of the team. >>> >> >
