Given that when I turn off Wifi, my phone asks me to turn it back on to improve location accuracy there must me something similar already deployed.
I think that the current system is based on using the SSIDs which have the advantage that they are a broadcast signal and do not require that you have permission to log on to the WiFi. In the underground case, providing the map on the phone with the stations SSID would be a passive alternative which I suspect is already deployed, and is more in the spirit of the GPS approach. - Stewart Sent from my iPad > On 20 Jan 2020, at 17:22, Rob Brew <[email protected]> wrote: > > > Dear all. > > I have submittetd the following draft RFC for approval. > > Obviously whilst underground mobile phone users at public locations, such as > the London underground, will not be able to know their GPS location, as the > GPS signals cannot penetrate the earth. I have submitted a RFC draft at > https://tools.ietf.org/html/draft-brew-intarea-underground-01 to bypass this > problem, as well as a server application in Java at > https://github.com/rydal/underground . > > As we know the IP Address contacting the server the server contains a map > containing the GPS location of each underground site, as referenced by IP > address. The returns the phsycial GPS location and name of the site as a > JSON array. > > To prevent false servers reporting inaccurate information https can be used > to verify the authenticity of the server. > > Providing this service to mobile phone user's without a current WIfi > connection i propose going one stage further, create a hidden wireless > network wih the name ".location". In cases where no GPS location can be found > a mobile phone's GPS system can be programmed to seek such a network > providing the same service. > > This would require alterations to th servics as provided by mobile phone > providers such as Apple and Android. > > If you are interested in this concept please review it (and my code), and > maybe it will become something. > For a video demonstration of this service please check the link at the github > site. > > Thanks, > > Rob Brew. > > _______________________________________________ > Int-area mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/int-area
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