determining location based on acceleration is (at least theoretically) possible by integrating acceleration but it is very hard to get accurate position.

read this first
http://stackoverflow.com/questions/7499959/indoor-positioning-system-based-on-gyroscope-and-accelerometer

and watch the video mentioned in the first answer.

very good basic introduction to accelerometer and gyro related math can be found here:
http://www.starlino.com/imu_guide.html

anyway, good luck:), and if you will find any good solution let me know, im interested in getting this solved for one of my projects.

alxj