User-assisted coverage and interference optimization for broadband femtocells

Abstract

We present ways for user-assisted coverage configuration and interference optimization. The femtocell coverage is measured in a user-assisted site survey, followed by an automatized evaluation and femtocell configuration adjustment. To achieve this, the user only needs his mobile phone for interaction. Existing, commercial technology only offers measurement of the radio environment and a visualization of the respective results. We describe how measurements of at least two measurement series at different power levels along an identical path can be used to find a good configuration in an automatized manner. It is described how measurement sequences can be aligned to make them comparable to each other.