I think those rates are what you'd get with a 50/50 traffic split - if it's running in flexible mode, you should be able to get close to double that in one direction... but it's been awhile since I've played with settings on a B11, so I could be wrong.
On Tue, Jul 17, 2018 at 4:57 PM, Faisal Imtiaz <fai...@snappytelecom.net> wrote: > > Something is off in your Mimosa # .... see picture attached.. > > Respectfully, > > Faisal Imtiaz > Snappy Internet & Telecom > http://www.snappytelecom.net > > Tel: 305 663 5518 x 232 > > Help-desk: (305)663-5518 Option 2 or Email: supp...@snappytelecom.net > > ------------------------------ > > *From: *"Tim Hardy" <thardy...@gmail.com> > *To: *"AnimalFarm Microwave Users Group" <af@af.afmug.com> > *Sent: *Tuesday, July 17, 2018 5:32:32 PM > > *Subject: *Re: [AFMUG] AF-11FX vs B11 > > I realize that these are theoretical values supplied by the manufacturer > and attaining these is another matter entirely. But, I thought it might > help to see a comparison of supplied specs. > > Manufacturers are supposed to provide the “air-rate” that does not include > header compression, overhead bits, etc. but from what I remember it was not > possible to get this from either UBNT or Mimosa. So, the claims of > throughput are all over the place and its not easy to compare radios based > on manufacturer supplied data. If you look at an Aviat spec sheet, you > will see an Airlink capacity and a Max Ethernet Capacity based on 64 byte > frames, physical layer, with DAC GE3. Mimosa supplied data is confusing as > all data that I saw before I retired last October was listed in full duplex > and considered everything on a path. For example, they publish 1472 Mbps > for the 2X80 radio but this takes an astonishing 8 chains to accomplish > vs.UBNT’s 4 chains for the full duplex rate. I won't even go into the > havoc that the TDD radios create for efficient use of the spectrum - > especially in bands where 98% of the installed base is FDD. That would > take too long and its not the point of this post. > > Not knowing what assumptions were used for either radio, I did a > comparison of their 80 MHz channel plan radio configurations (using their > listed data)and this is what I found: > > To accurately compare radio to radio, one must compare the Mimosa TD-FD > (based on 2-streams or chains) values to UBNTs Mimo (based on 2-streams or > chains) values and the data rates listed below are assumed each direction. > > 80 MHz channel plan radio > > UBNT - Both Polarizations bit rates specified per direction on the path > > 1024 QAM 688 Mbps -52.5 dBm 10-6 BER > 256 QAM 550 Mbps -60.5 dBm 10-6 BER > QPSK 138 Mbps -81.5 dBm 10-6 BER > > Mimosa - Both Polarizations bit rates specified per direction on the path > > 256 QAM 368 Mbps -64.5 dBm 10-6 BER > QPSK 83 Mbps -82 dBm 10-6 BER > > The Mimosa radio catches up to UBNT when 2X80 is used and the throughput > values listed here double. I also listed the radio thresholds as there was > some talk about difficulty holding the higher modulation in the UBNT > radio. Hopefully, this shows why since the B11 would have a minimum of 12 > db additional fade margin (difference between 256 QAM and 1024 QAM) right > off the bat - plus the Mimosa radio runs at about 24 dBm vs 18-19 dBm for > UBNT at the highest modulation. > > Thought I’d add SAF Lumina just for grins. The 80 MHz channel plan radio > has a 56 MHz occupied bandwidth. > > SAF Lumina - Both Polarizations bit rates specified per direction on the > path > > 256 QAM 732 Mbps -63.5 dBm 10-6 BER > 4 QAM 134 Mbps -87.0 dBm 10-6 BER > > On Jul 17, 2018, at 3:25 PM, Jeremy <jeremysmi...@gmail.com> wrote: > > AFAIK The Trango Lynx secret sauce was header compression, and those > numbers vary based on your average packet size. Lets of small packets = > less overall throughput / larger packets = larger overall throughput > capability. > > On Tue, Jul 17, 2018 at 1:17 PM, Eric Kuhnke <eric.kuh...@gmail.com> > wrote: > >> ubnt does not publish the specific FEC coding types and percentages for >> the AF11's modulations. What it's doing under the hood is kind of opaque... >> >> >> >> >> >> On Tue, Jul 17, 2018 at 11:59 AM, Adam Moffett <dmmoff...@gmail.com> >> wrote: >> >>> This brings up what I've been wondering when looking at the AF11 data >>> sheets: >>> >>> A Trango Lynx on a 56mhz channel SISO without compression yields 486mbps >>> Full Duplex at 1024QAM. >>> An AF11X SISO on the same channel size at 1024QAM yields 344mbps Full >>> Duplex. >>> >>> What's the deal? Lower cyclic prefix on AF11? >>> >>> -Adam >>> >>> >>> >>> On 7/17/2018 2:28 PM, Mathew Howard wrote: >>> >>> With limited spectrum, it's an accurate statement. On a single polarity, >>> 56mhz channel an AF-11 will get slightly less throughput than something >>> like an old SAF Lumina (and the AF11 is using 1024QAM vs 256QAM, to get not >>> even as much capacity, which means it needs a higher link budget). However, >>> if spectrum isn't a problem, you need to spend a lot more money to get >>> similar throughput to either of these radios with anything else. >>> >>> On Tue, Jul 17, 2018 at 1:00 PM, Faisal Imtiaz <fai...@snappytelecom.net >>> > wrote: >>> >>>> >>> Neither radio has much better performance than a 10 year old >>>> traditional 256 QAM radio. >>>> >>>> One should take that with a grain of salt !.... >>>> In absolute terms, yes that could be an accurate statement. >>>> How is pans out in reality is questionable ! >>>> >>>> :) >>>> >>>> Faisal Imtiaz >>>> Snappy Internet & Telecom >>>> http://www.snappytelecom.net >>>> >>>> Tel: 305 663 5518 x 232 >>>> >>>> Help-desk: (305)663-5518 Option 2 or Email: supp...@snappytelecom.net >>>> >>>> ------------------------------ >>>> >>>> *From: *"Mike Hammett" <af...@ics-il.net> >>>> *To: *"AnimalFarm Microwave Users Group" <af@af.afmug.com> >>>> *Sent: *Tuesday, July 17, 2018 1:36:15 PM >>>> *Subject: *Re: [AFMUG] AF-11FX vs B11 >>>> >>>> I don't have an incentive to use either as there is so little 11 GHz >>>> spectrum in my area. >>>> >>>> >>>> Neither radio has much better performance than a 10 year old >>>> traditional 256 QAM radio. >>>> >>>> >>>> >>>> ----- >>>> Mike Hammett >>>> Intelligent Computing Solutions <http://www.ics-il.com/> >>>> <https://www.facebook.com/ICSIL> >>>> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> >>>> <https://www.linkedin.com/company/intelligent-computing-solutions> >>>> <https://twitter.com/ICSIL> >>>> Midwest Internet Exchange <http://www.midwest-ix.com/> >>>> <https://www.facebook.com/mdwestix> >>>> <https://www.linkedin.com/company/midwest-internet-exchange> >>>> <https://twitter.com/mdwestix> >>>> The Brothers WISP <http://www.thebrotherswisp.com/> >>>> <https://www.facebook.com/thebrotherswisp> >>>> >>>> >>>> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> >>>> ------------------------------ >>>> *From: *"Jason McKemie" <j.mcke...@veloxinetbroadband.com> >>>> *To: *"AnimalFarm Microwave Users Group" <af@af.afmug.com> >>>> *Sent: *Tuesday, July 17, 2018 12:32:20 PM >>>> *Subject: *[AFMUG] AF-11FX vs B11 >>>> >>>> More dependable, predictable, etc. >>>> I take it you like the B11? I like the radio interface and SFP on that >>>> radio, I like just about everything else on the AF11. >>>> >>>> I've just read about several instances where people have replaced the >>>> B11 with the AF11fx - I haven't read a single one the opposite way around. >>>> I'd like to hear if you've had a different experience. >>>> >>>> On Tuesday, July 17, 2018, Mike Hammett <af...@ics-il.net> wrote: >>>> >>>>> Define "better". >>>>> >>>>> >>>>> >>>>> ----- >>>>> Mike Hammett >>>>> Intelligent Computing Solutions <http://www.ics-il.com/> >>>>> <https://www.facebook.com/ICSIL> >>>>> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> >>>>> <https://www.linkedin.com/company/intelligent-computing-solutions> >>>>> <https://twitter.com/ICSIL> >>>>> Midwest Internet Exchange <http://www.midwest-ix.com/> >>>>> <https://www.facebook.com/mdwestix> >>>>> <https://www.linkedin.com/company/midwest-internet-exchange> >>>>> <https://twitter.com/mdwestix> >>>>> The Brothers WISP <http://www.thebrotherswisp.com/> >>>>> <https://www.facebook.com/thebrotherswisp> >>>>> >>>>> >>>>> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> >>>>> ------------------------------ >>>>> *From: *"Jason McKemie" <j.mcke...@veloxinetbroadband.com> >>>>> *To: *"AnimalFarm Microwave Users Group" <Af@af.afmug.com> >>>>> *Sent: *Monday, July 16, 2018 8:02:34 PM >>>>> *Subject: *[AFMUG] AF-11FX vs B11 >>>>> >>>>> Does anyone have experience with both of these that can provide some >>>>> guidance as to which has worked better? >>>>> >>>>> -- >>>>> AF mailing list >>>>> AF@af.afmug.com >>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>>> >>>>> >>>> -- >>>> AF mailing list >>>> AF@af.afmug.com >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> >>>> >>>> -- >>>> AF mailing list >>>> AF@af.afmug.com >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> >>>> >>>> -- >>>> AF mailing list >>>> AF@af.afmug.com >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> >>>> >>> >>> >>> >>> >>> -- >>> AF mailing list >>> AF@af.afmug.com >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> >>> >> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> >> > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > >
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