Three different databases for gsm celltower locations

Pander pander at
Mon Apr 6 17:41:42 CEST 2009

I have some more examples with some test data I still have to publish.
Project is here:

Database is well designed, I will make a post when I have the code out

Onen wrote:
> Hi,
> Stefan Schmidt wrote:
>> On Sat, 2009-04-04 at 15:03, Onen wrote:
>>> Another point is the other signals than GSM. Our initial vision was to  
>>> build a database of communicating objects, WiFi, Bluetooth, etc...  
>> Can anybody give me some ideas how BT should be useful here? From what I know
>> there are very little fixed BT accesspoints around. Likely to be killed by wifi
>> anyway. I associate with bluetooth something that is mobile itself therefor not
>> useful to get an idea rom your current location from.
> Well maybe Bluetooth was not the best example. I wanted to put the 
> emphasis that the original idea of openBmap was to get a map of all 
> communicating objects (RFID, future things, ...). Nevertheless here are 
> some examples of static BT points we may encounter pretty soon:
> * some experiments have been carried on in Paris subway about BT beacons 
> which help blind people find their ways in the labyrinth. They have a 
> special device at the ear, which says where they are, and if they go in 
> the wrong direction, etc...
> * ad panels in the subway, or on the street, may have bluetooth to 
> distribute details to phones
> * in Paris, there are BT stations on the street, you can get connected 
> to with your phone, and download maps and or details of the area you 
> currently are.
> A reason why BT may still last over WiFi may be the power needed to have 
> BT on in comparison of WiFi, don't you think?
> If anybody sees more examples...
> Onen
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