Gyro Sensor drift and Correct angle Estimation

Question

I am using LG Optimus 2x smartphone(Gyroscope and Accelerometer sensor) for positioning.

I want to get correct rotation angles from gyroscope that can be used late

Answer 1

As far as I know, either the Kalman filter or something similar is implemented in the SensorManager. Check out Sensor Fusion on Android Devices: A Revolution in Motion Processing.

You are trying to solve a problem that is already solved.