Boing announced a while ago a project where not only GPS but other signals would be used for location systems:
http://www.boeing.com/news/releases/2007/q2/070418c_nr.html Re Galileo/GNSS, these guys seem to be working on combining both systems for UMTS-based phones: http://www.gawain-receivers.com/ // asc --- Mike Liebhold <[EMAIL PROTECTED]> wrote: > a couple of points: > > 1. Galileo is -not- a competitor to US gps. ( > although some pundits are > trying to spin it that way.) I undersatnd that > Galileo spec is frequency > compatible with GPS. Many gps reciever developers > have been planning > dual systems, as part of an overall global GNSS > (global navigation > satellite system) More satellite sources means > higher resolution > positioning. > > 2. Ideally location software should be capable of > "sensor fusion" using > any signal opportunistically to give a user app > accurate coordinates. > e.g. wifi , Cell tower, digital TV timing signals, > bluetooth beacons, > and even rfids. Over time radio receiver signal > processing will be > software. I personally worked on a SDR (software > defined radio) solution > for Kuband IP communications using FPGAs. Theres no > reason to doubt that > we'll be able to use frequency agile software > defined recievers to blend > sources into precise centimer resoulution realtime > kinematic tracking of > our nifty mobile gadgets > > In the meantime we need to hack and scrape coarse > grain postioning > (2-20meter resoulution) out of any signal we can > get. Thank goodness, > web2.0 hacker teams like Loki, Navizon and Bright > Kite are on the case, > working hard to give users their own positions. > > Cheers- > > Mike > > Mike Liebhold > Institute for the Future > iftf.org > > > > > > > > Jeremy Irish wrote: > > In some ways I wish the US would create some > controversy so it could re-invigorate Galileo. The > EU seems to be increasingly disinterested in a > competing system and removing the SA feature from > satellites just makes Galileo less interesting. At > least there's the Russian GLONASS system being > retooled and China's Compass system (which is still > undefined). > > > > I personally think that there should be a Local > Positioning System technology out there that uses > triangulation. Although WiFi and Cell Tower > positioning are novel there's no way I see either > idea being able to help me find a geocache or any > other specific point. There is interesting research > in indoor navigation but nothing solid has presented > itself that I know of yet. Please prove me wrong! > > > > Jeremy > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf > Of Tyler Bell > > Sent: Wednesday, September 19, 2007 5:10 PM > > To: [email protected] > > Subject: Re: [Geowanking] So do we entirely > believe this? > > > > Here's a bit of topical background to the issue > from El Reg for interested, uh, 'wankers.... > > > http://www.theregister.co.uk/2007/07/18/drop_sa_say_satnav_lovers/ > > > > - - TB > > _______________________________________________ > > Geowanking mailing list > > [email protected] > > http://lists.burri.to/mailman/listinfo/geowanking > > > > > > _______________________________________________ > > Geowanking mailing list > > [email protected] > > http://lists.burri.to/mailman/listinfo/geowanking > > > > > > > > _______________________________________________ > Geowanking mailing list > [email protected] > http://lists.burri.to/mailman/listinfo/geowanking > A. Sergio Cardoso ========================== "GPS Discoveries" http://jeepx.blogspot.com ========================== _______________________________________________ Geowanking mailing list [email protected] http://lists.burri.to/mailman/listinfo/geowanking
