Patent ID: 9398478
Filing Date: 2016-07-19
CPC Classification: H04B,H04W

Claim Text:
1. A method in a first radio base station for enabling detection of a faulty antenna in a radio communications network, which radio communication network comprises the first radio base station, providing radio coverage in a first cell, and a second radio base station providing radio coverage in a second cell, the method comprising: receiving, from at least one user equipment in the first cell, a first set of measurement reports over a first period of time, at least some of the measurement reports indicating a cell relation between the first cell and the second cell; forming reference statistics of the cell relation between the first cell and the second cell, based on the first set of measurement reports; receiving, from at least one user equipment in the first cell, a second set of measurement reports over a second period of time; forming current statistics of the cell relation between the first cell and the second cell based on the second set of measurement reports; and comparing the current statistics with the reference statistics to enable the detection of a faulty antenna in the first radio base station or the second radio base station.