but the radio tx in both channels in the both polarites in both ends ... On Wed, Aug 3, 2016 at 1:31 PM, Eric Kuhnke <[email protected]> wrote:
> No, it is just as spectrally efficient as any 256QAM radio... One 80 MHz > "low" channel in both polarities and one 80 MHz "high" channel in both > polarities, as a typical FDD band plan such as you would use with a > configuration with 2 dishes, 2 orthomode transducers and 4 radio heads > (each radio operating in a single polarity) in a 2+0 configuration. > > You're arriving at the figure of 320 MHz by counting everything twice. > > On Wed, Aug 3, 2016 at 10:28 AM, <[email protected]> wrote: > >> We haven't had the pleasure of coordinating a B11 link yet, but they >> certainly seem to be popular based upon the number of PCNs we are >> seeing. So, a dumb question hopefully based upon a simple misunderstanding >> of the numbers: I don't see how this meets the FCC minimum efficiency >> standards for wide channels at 11GHz: >> >> 80MHz channels x H and V = 160MHz, but with high/low pairing you double >> this? to 320MHz occupied per end? So, to meet the 3 b/s/hz requirement at >> 11GHz your symmetrical throughput would need to be >= 960mbps. What am I >> missing? >> >> Mike Black >> >> Black & Associates >> >> 727-773-9016 >> >> >> ---------------------------- Original Message ---------------------------- >> Subject: Re: [AFMUG] B11 >> From: "Jaime Fink" <[email protected]> >> Date: Tue, August 2, 2016 4:49 pm >> To: "SmarterBroadband" <[email protected]> >> "[email protected]" <[email protected]> >> -------------------------------------------------------------------------- >> >> > The PHY is 1733 Mbps aggregate, so depending on the chosen window >> sizes, the top real world TCP speeds we’ve seen are between 1200-1300 Mbps >> aggregate (75/25 or 50/50 mode), or 600-650 Mbps symmetric (50/50). >> > >> > For 11 GHz this assumes high/low pairing of 80 MHz and both >> polarizations coordinated. >> > >> > Jaime Fink • Mimosa<http://www.mimosa.co> • CPO & Co-Founder >> > >> > >> > On August 2, 2016 at 1:34:31 PM, SmarterBroadband ( >> [email protected]<mailto:[email protected]>) wrote: >> > Can the B11 do 1Gbps Symmetrical? >> > If not what is best Symmetrical? >> > Thanks >> > >> > >> > >> > >
