indoor positioning system using wifi

its not a simple code,,, it is about 4 to 5 thousands line,,, its very difficult,,, i asked about the code so that some one help me in it to solve it,,,,,, i am trying my best my project is a research based project not hardware,,,,,, so if you guys have any information related this toopic so plz reply me then,,,,,,,,,,,,

thanks,,,,,,,,,,,,,,,
regards, saif

What exactly are you looking for Hayat ? Are you reverse engineering 4-5 thousand lines of code ?
Please try to be more explicit in your question so that this community can at least TRY to give a meaningful answer.

thanks!