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Author Topic: Attainable sync and SNRm  (Read 41955 times)

NewtronStar

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Re: Attainable sync and SNRm
« Reply #120 on: March 17, 2015, 08:30:04 PM »

I see the Aurora activity is keeping the SNRM up this evening

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NewtronStar

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Re: Attainable sync and SNRm
« Reply #121 on: March 27, 2015, 07:04:43 PM »

Since being moved onto this new G.INP profile the errors are so much lower IE: errored seconds and crc's so thats less to worry about, though the DS SNRM still swings over 24 hours and at the moment the DS connection speed is 2000 kbps higher than the DS attainable the DS SNRM does not drop below 5.1dB

Would it be ok to leave it like this as theres no signs of any increased errored seconds or crc's when the DS SNRM is low ?
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burakkucat

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Re: Attainable sync and SNRm
« Reply #122 on: March 27, 2015, 07:32:08 PM »

Assuming that you are not experiencing any loss of throughput, then I would think there will be no problem with a DS SNR dropping to around 5 dB.

(Some years ago, when I was experimenting with an HG612 as a modem/router on my ADSL2 circuit, there was one evening when I was subjected to prolonged RFI. The DS SNR dropped from the target margin of 6 dB and slowly fell to -1.9 dB. (Yes, minus, as the "noise" was "louder" than the wanted signal.) The throughput decreased as the SNR decreased. By the time the SNR reached 0 dB there was virtually no usable throughput.)
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NewtronStar

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Re: Attainable sync and SNRm
« Reply #123 on: March 27, 2015, 07:56:22 PM »

Great B*CAT there's no loss of thoughput that i can see here on this line and have forgotten Bald_Eagles1 formula to convert sync rate to IP profile and vice versa  :blush:
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Bald_Eagle1

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Re: Attainable sync and SNRm
« Reply #124 on: March 27, 2015, 08:43:12 PM »

IP Profile should be approximately 96.79% of sync speed or sync speed should be IP Profile multiplied by 1.033

e.g. 40 Mbps sync speed = 38.72 Mbps IP Profile

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NewtronStar

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Re: Attainable sync and SNRm
« Reply #125 on: March 27, 2015, 10:02:51 PM »

IP Profile should be approximately 96.79% of sync speed or sync speed should be IP Profile multiplied by 1.033

e.g. 40 Mbps sync speed = 38.72 Mbps IP Profile

Thankyou BE1 i have been searching the Kitz forums and couldn't find what i was looking for.

Using the 96.79% of my current sync speed of 33499 the result is 32423 kbps yet when I run the ookla speed tester the result is less ->

« Last Edit: March 27, 2015, 10:32:49 PM by NewtronStar »
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Bald_Eagle1

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Re: Attainable sync and SNRm
« Reply #126 on: March 27, 2015, 10:50:10 PM »

On a good day, your throughput could be up to around 97% of your IP profile.

So, 97% of 32423 = 31450.

One of those speed test was quite close to that.

What results & IP Profile do you get from the further diagnostics in the BT speed tester?
(http://speedtest.btwholesale.com)
« Last Edit: March 27, 2015, 10:53:35 PM by Bald_Eagle1 »
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NewtronStar

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Re: Attainable sync and SNRm
« Reply #127 on: March 27, 2015, 10:58:09 PM »

What results & IP Profile do you get from the further diagnostics in the BT speed tester?
(http://speedtest.btwholesale.com)

Here it is BE1

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NewtronStar

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Re: Attainable sync and SNRm
« Reply #128 on: March 27, 2015, 11:29:07 PM »

Thats good as I have a feeling some users still seem to think the connection speed/sync on there stats program is there overall thoughput of there internet  :no:
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Bald_Eagle1

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Re: Attainable sync and SNRm
« Reply #129 on: March 28, 2015, 11:20:49 AM »

As mentioned in the G.INP enabled Stats Comparison thread, it seems that IP Profile with G.INP active is now 96.69% of sync speed rather than the previous 96.79%

That is only based on yours, ADSLMax's & my connections though.

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tommy45

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Re: Attainable sync and SNRm
« Reply #130 on: March 28, 2015, 12:15:02 PM »

Same 77.35 IP profile here to, now G.inp'd   so that theory is probably correct,
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