I don't have any data for a direct comparison on 8000 vs 7000.....but I might some time in January.

We did recently get an experimental license to use 3.5ghz channels. At two different sites I had 8000 CPE dropping off for minutes at a time....and they stopped doing it after switching to a 3.5ghz channel. In the image attached you can see that the outages for that CPE stopped occurring when I changed channels on 12/15.

We do have interference....some self inflicted and some from another operator, but these units reported SINR in the high 20's so interference wasn't my first guess.




------ Original Message ------
From: "Nathan Anderson" <[email protected]>
To: "[email protected]" <[email protected]>
Sent: 12/21/2016 6:08:52 PM
Subject: [Telrad] More CPE8K woes

Hey everybody,

Is anybody else out there seeing their CPE8000s randomly drop off the network (and come back a few minutes later) with alarming frequency? The average number of detach/attach cycles for our CPE8000s across every Compact that we have are way out of proportion to what we are seeing for virtually any of our CPE7000 customers, and some customers are starting to notice.

Another interesting thing we have noted is that when we upgrade the firmware from 694 to 832, this does not solve the random detach issue, but it does make the problem worse for the customer, since it starts taking way longer for the CPE to come back onto the network after it drops. With 694, the CPE comes back in about 1-2 minutes (maybe even less). When 832 is pushed out to a CPE with this problem, outage lengths increase to a whopping 15 minutes.

Incidentially, I will note that 15 minutes is the lowest non-zero value you can specify for "Auto-Rescan Duration" on the "eNB Settings" tab. But the outage times go up to 15 minutes on 832 even when Preferrend eNB List is not enabled on a CPE and Auto-Rescan remains set to 0.

Grr,

--
Nathan Anderson
First Step Internet, LLC
[email protected]

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