Swapped Sectors Detection Based on Mobility Statistics

Among the multiple faults that might happen in a cellular network, operators spend long time trying to identify swapped sectors, that is, during the network rollout phase, feeders from baseband units to antenna units may result crossed, thus leading to swaps in service areas for different sectors managed by the same radio equipment. In this letter, two different methods are presented in order to automatically detect antenna misconfigurations due to crossed feeders. Results show that the proposed methods are valid for troubleshooting of swapped sectors, thus saving operator's time. Moreover, both methods have been successfully validated on real networks.