I'm wondering if its theoretically possible to locate a device physically on the network. The nodes may have some notion of distance between eachother and therefore time, and therefore can compute the fastest route. However can any information be gleaned or added that indicates which direction a node is in relation to north south east or west on a map?
My challenge is to connect a local group of cellphones to a mesh but to also be able to define which phones are to the east of a central point which to the west, north and south.
At this point I'm not even sure if its possible.
Cheers ?
Brani mead
On Sat, Jul 20, 2013 at 04:17:10PM +1200, Brani Mead wrote:
I'm wondering if its theoretically possible to locate a device physically on the network. The nodes may have some notion of distance between eachother and therefore time, and therefore can compute the fastest route. However can any information be gleaned or added that indicates which direction a node is in relation to north south east or west on a map?
My challenge is to connect a local group of cellphones to a mesh but to also be able to define which phones are to the east of a central point which to the west, north and south.
Hi Brani
Are the cellphones using BATMAN, or are they just STA of an access point co-located with a mesh node? And is your mesh static, or can the mesh itself move around?
I'm assuming your mesh nodes are static. Thus you can determine there location once, using GPS, etc, and assume they are not going to move.
If the cellphones are STA, you can tell from the tables that BATMAN keeps which mesh node they are behind. Thus if you know the location of the BATMAN mesh node, your know the approximate location of the cellphone.
Andrew
Hi Brani,
On Sat, Jul 20, 2013 at 04:17:10PM +1200, Brani Mead wrote:
I'm wondering if its theoretically possible to locate a device physically on the network. The nodes may have some notion of distance between eachother and therefore time, and therefore can compute the fastest route. However can any information be gleaned or added that indicates which direction a node is in relation to north south east or west on a map?
In the current implementation of batman-adv a node does not have any idea about its location and about the direction the message is taking. This should be somehow handled outside of the module. For example, using the cellphone, you could get the location using the GPS and then exchange this information (by means of Alfred?).
My challenge is to connect a local group of cellphones to a mesh but to also be able to define which phones are to the east of a central point which to the west, north and south.
At this point I'm not even sure if its possible.
Cheers ?
So what you need has to be implemented outside, batman-adv cannot help with that.
Cheers,
b.a.t.m.a.n@lists.open-mesh.org