Is there a modulation more robust than OOK?
Perhaps phase correlated for noise rejection.
From: Eric Kuhnke
Sent: Tuesday, May 24, 2016 3:23 PM
To: af@afmug.com
Subject: Re: [AFMUG] 37Km, 6Gbps
There are some upcoming 60 GHz band 10 Gbps radios which are OOK (or BPSK)
simply for the increased link budget, and because it makes them simpler to
manufacture... The free GHz are there to use and it falls off so quickly in the
air. They're trying to get to high reliability in 4 to 5 nines at 750-800
meters.
On Tue, May 24, 2016 at 1:43 PM, Chuck McCown <ch...@wbmfg.com> wrote:
Even simpler. Crystal radio could demod those.
From: Eric Kuhnke
Sent: Tuesday, May 24, 2016 2:40 PM
To: af@afmug.com
Subject: Re: [AFMUG] 37Km, 6Gbps
All of the first gen commercial 80 GHz products from 2006-2007 (gigabeam,
Bridgewave) are basically OOK and use 5GHz each direction FDD, 1Gbps.
On May 24, 2016 6:26 AM, "Chuck McCown" <ch...@wbmfg.com> wrote:
Well when you have 5 GHz of BW, getting 6 Gbps out of it is not much of a
stretch. FSK would work for that.
From: Eric Kuhnke
Sent: Tuesday, May 24, 2016 12:01 AM
To: af@afmug.com
Subject: Re: [AFMUG] 37Km, 6Gbps
1 watt? They're feeding +30dBm Tx power into a 52dbi (60cm size) gain
antenna?
I bet it's only 37 km in clear sunny skies but that's still quite powerful.
On Mon, May 23, 2016 at 7:42 PM, Josh Reynolds <j...@kyneticwifi.com> wrote:
"Transmitting the contents of a conventional DVD in under ten seconds
by radio transmission is incredibly fast -- and a new world record in
wireless data transmission. With a data rate of 6 Gigabit per second
over a distance of 37 kilometers, a collaborative project with the
participation of researchers from the University of Stuttgart and
the Fraunhofer Institute for Applied Solid State Physics IAF exceeded
the state of the art by a factor of 10."
https://www.sciencedaily.com/releases/2016/05/160523083819.htm
