I am sure the noise floor makes all the difference. We don't have as much
noise here but it is certainly louder than it was.
I think a lot of it is ourselves...(and yes, we do sync)
----- Original Message -----
From: George Skorup
To: Cambium Networks User Group
Sent: Saturday, January 28, 2017 12:27 AM
Subject: Re: [Cambium-users] 900 450i dual omni
Yep. Had a few so far that were at about -64 on FSK with tons of
re-regs. Now getting about -58 to -60. Some with 16-18dB SNR. Some
better around 23-25dB SNR. Lot less re-regs. Some MIMO-B, but some also
MIMO-A which has the obvious capacity hit. Overall still better than
FSK. I'll take it.
On 1/28/2017 12:19 AM, Jay Weekley wrote:
> I'm wondering about the FSK customers with what you would normally call
> good signals (for me that would be -65) but still had problems.
>
> George Skorup wrote:
>> FSK problem customers? You mean like.. all of them? Customers that we
>> swap to 900 450i say it's night and day difference.
>>
>> Granted, we don't have our 450i's all that loaded up yet. We're bound to
>> get crappy/variable SM links, but it's still better than FSK. This is
>> why we very much need air-time fairness for the 450, especially the 900.
>> I don't want to poke Cambium too much about it, or much more than I
>> already have, but it's necessary, and I hope it makes it into 15.x
>> somewhat soon. Early/mid-spring would be great. Ya know, when the leaves
>> start coming back.
>>
>> On 1/27/2017 10:20 PM, Jay Weekley wrote:
>>> That's encouraging. Would you say that some of your FSK problem
>>> customers, if any, have improved?
>>>
>>> George Skorup wrote:
>>>> Funny you should ask actually. Every customer we've swapped from FSK,
>>>> mostly w/ KP 17dBi yagis, has gained 5-6dB downlink power level. We've
>>>> been using some of the Cambium OEM 12's and a few of the new KP 14's
>>>> to compare. I haven't yet figured out why. It's weird. Perhaps the
>>>> 450i transmitter is just moar bettar. Or the FSK APs we have up just
suck.
>>>>
>>>> Is Ken on this list? I know he's done some FSK to 450i swaps. I wonder
>>>> if he's seen any difference in power levels.
>>>>
>>>> On 1/27/2017 9:26 PM, Jay Weekley wrote:
>>>>> How are the signals comparing when you migrate from FSK to the 4501?
>>>>>
>>>>> George Skorup wrote:
>>>>>> I think I posted this over on the AF list earlier this week. We set
>>>>>> up a 900 450i AP with an H and a V omni to convert a 4x90 H-pol FSK
>>>>>> site with ~20 customers. 5MHz channel, 5ms and configured as close
>>>>>> as I could get it to sync with the FSK.
>>>>>>
>>>>>> Added a couple more customers this week. SMs have all been installed
>>>>>> slant and they work perfectly fine. The uplinks aren't so good with
>>>>>> the noise, but I'm actually quite surprised at how well it's
>>>>>> working, especially seeing the 6X and 8X downlinks. Hopefully the
>>>>>> uplinks will improve as we get more FSK off the air.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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