- From: Andrei Popescu <andreip@google.com>
- Date: Wed, 29 Jun 2011 14:13:57 +0100
- To: Steve Block <steveblock@google.com>
- Cc: Doug Turner <doug.turner@gmail.com>, Anne van Kesteren <annevk@opera.com>, Lars Erik Bolstad <lbolstad@opera.com>, "public-geolocation@w3.org" <public-geolocation@w3.org>
On Wed, Jun 29, 2011 at 12:03 PM, Steve Block <steveblock@google.com> wrote: >> Not sure I fully understand this: how would the UA know it got close >> to the relevant location solely by looking at WiFi and CellIDs? > I guess an intial request to the server could return a set of > interesting WiFi and Cell IDs. The device doesn't need to contact the > server again until it sees one of these. > Yep, that would work, assuming there is some service that provides the reverse (lat, long, radius) -> (cellIDs, WiFi APs) mapping. And you'd still have to be scanning for WiFi constantly, even if the device would otherwise go to sleep. Andrei
Received on Wednesday, 29 June 2011 13:14:21 UTC