Not yet, though government funded projects have used laser based links. http://www.esa.int/Our_Activities/Observing_the_Earth/Copernicus/Sentinel-1/Laser_link_offers_high-speed_delivery
http://www.esa.int/Our_Activities/Telecommunications_Integrated_Applications/A_world_first_Data_transmission_between_European_satellites_using_laser_light http://www2.nict.go.jp/wireless/spacelab/lasersatellitetech/icsos/icsos2012/pdf/1569604601.pdf an o3b satellite functions as basically an FDD bent pipe, within visibility of the satellite is a larger teleport connected to terrestrial fiber. laser links have obvious atmosphere issues but have been extensively researched for intersatellite links above the atmosphere. On Tue, Feb 23, 2016 at 11:26 AM, Chuck McCown <[email protected]> wrote: > Do any of these newer satellites use laser as uplink? > > *From:* Eric Kuhnke <[email protected]> > *Sent:* Tuesday, February 23, 2016 12:25 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Viasat-3 going up > > > An o3b terminal is an identical pair or motorized, tracking 1.8, 2.4 or > 3.0 meter sized dishes. Make-before-break connection. There are some good > videos online illustrating how it works. > On Feb 23, 2016 10:22 AM, "Sean Heskett" <[email protected]> wrote: > >> If the satellite isn't in geo-synchronous orbit then how do you stay >> locked on to the signal? Do they have a constellation of satellites? >> >> -Sean >> >> On Tuesday, February 23, 2016, Chris Wright <[email protected]> wrote: >> >>> O3B altitude is 8062km. At that distance, it takes light about 27ms to >>> travel. Multiply that by 4 (CPE -> Sat -> Gateway -> Sat -> CPE) and add a >>> couple ms for frame processing, and you’re at 110ms latency to the provider. >>> >>> >>> >>> Chris Wright >>> >>> Network Administrator >>> >>> Velociter Wireless >>> >>> 209-838-1221 x115 >>> >>> >>> >>> *From:* Af [mailto:[email protected]] *On Behalf Of *Joe Novak >>> *Sent:* Tuesday, February 23, 2016 7:15 AM >>> *To:* [email protected] >>> *Subject:* Re: [AFMUG] Viasat-3 going up >>> >>> >>> >>> What kind of latency are we talking? Very interesting stuff. >>> >>> >>> >>> On Mon, Feb 22, 2016 at 3:04 PM, Eric Kuhnke <[email protected]> >>> wrote: >>> >>> The greatest thing currently happening in satellite telecommunications >>> is not more geostationary ka-band capacity, but the market pricing in >>> wholesale that has happened due to o3b. For locations anywhere below 45 >>> degrees latitude o3b provides end to end trunking at a lot less latency, >>> and lower prices then geostationary systems. Viasat and other owners of >>> geostationary capacity have been required to drop the monthly recurring >>> prices for wholesale transponder capacity. >>> >>> The big difference being that an o3b terminal is too expensive by far >>> for an end user, it would be typically used by a medium to large sized >>> Wireless ISP using point-to-multipoint technology for the individual >>> customers. For example a WISP on a pacific island nation state that has no >>> submarine fiber access. >>> >>> On Feb 21, 2016 9:13 PM, "Rory Conaway" <[email protected]> wrote: >>> >>> >>> http://www.fastcompany.com/3056618/fast-feed/these-terabit-satellites-will-bring-internet-to-the-remotest-places-on-earth >>> >>> >>> >>> *Rory Conaway **• Triad Wireless •** CEO* >>> >>> *4226 S. 37th Street • Phoenix • AZ 85040* >>> >>> *602-426-0542 <602-426-0542>* >>> >>> *[email protected]* >>> >>> *www.triadwireless.net <http://www.triadwireless.net/>* >>> >>> >>> >>> “The ultimate measure of a man is not where he stands in moments of >>> comfort or convenience, but where he stands at times of challenge or >>> controversy” – Martin Luther King >>> >>> >>> >>> >>> >>
