🚀 go-pugleaf

Josh916 wrote:
> The project is to locate a r/c boat in a roughly 2 to 3m^2 water
> filled box, hence the transmitters or recievers will only be on the 3
> or 4 walls of the box.
> 
> It will need to be fairly accurate considering the size of the box
> relative to the size of the boat (i.e down to cm's).
> 
> We are also considering placing a webcam above the box and using image
> processing to locate the boat, however I thought we might get more
> accurate results using RSSI.
> 
> I hope that helps.
> 
> Josh
> 
> On Mar 21, 2:44 am, chuck <nos...@nospam.org> wrote:
> 
>>Josh916 wrote:
>>
>>>I would like to use RSSI to locate an object in a 3D space. The space
>>>will be a square box with transmitters located on the 4 corners. An
>>>object will be place at certain positions within the box and I want to
>>>be able to determine its location inside the box. Much like an
>>>internal GPS.
>>
>>>I would like to know what components (IC's?) I need to perform such a
>>>task.
>>
>>>Or if anyone else has any other more effective methods to acheive such
>>>a task your comments are welcomed.
>>
>>>Thanks,
>>
>>>Josh
>>
>>GPS doesn't use RSSI, of course.
>>
>>Is the task you want to perform the use of RSSI, or the determination of
>>position location with a box? What kind of accuracy do you hope to achieve?
>>
>>Have you considered ultrasonic distance measurement?
>>
>>Chuck
>>
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> 
> 
> 
Josh,

Your idea has been tried by big governments with big budgets.

NO, it will not work.

If you care to read a little, you may find a not so cheap way of doing 
what you want:
http://en.wikipedia.org/wiki/Pseudolite

google has lots of links:
http://www.google.com/search?hl=en&c2coff=1&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=pseudolite&spell=1

good luck

If you find a way of getting this done, in any home made way,
please let us know.

donald