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I'm a software developer, dont know much about the hardware specifications and dont know where to start. (Even not sure is that the right stackexchange I should ask this question.)

So, I want to know about (1) the cost and (2) document, link, etc for the following specifications:

I want to make a project which I will put a chip (?) to a user and track that users 3d location with at least 10 cm accuracy, 10 times a sec, in a particular approximately 25x40 meters place and use that 3d location in my C, C++, python, java application. I read something about triangulation, and it makes sense. However thats all i know. I dont know any device that I can buy to do such..

Can you send me something to read?

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closed as too broad by BradHards, Fezter, Paul, PolyGeo, Curlew Nov 3 '13 at 9:28

There are either too many possible answers, or good answers would be too long for this format. Please add details to narrow the answer set or to isolate an issue that can be answered in a few paragraphs.If this question can be reworded to fit the rules in the help center, please edit the question.

Can the hardware be a mobile/cell phone? – Mapperz Apr 19 '13 at 19:57
No, I forgot to mention about that, sorry. Im searching for as possible as cheap hardware. – Sait Apr 19 '13 at 19:59
please define cheap? $2, $50, $100? Raspberry Pi's are technically cheap $25/$35 – Mapperz Apr 19 '13 at 20:02
This is overkill but can be done cheaply – Mapperz Apr 19 '13 at 20:06
WiFiSLAM (recently purchased by Apple inc) 'Modern Innovations in Indoor Positioning' – Mapperz Apr 19 '13 at 20:08