Drive Test Route Optimization in Mobile Networks

In order to design the RAN of a mobile network, it is crucial to predict the necessary cells and position base stations accurately. This process requires continuous monitoring to optimize network quality and coverage, considering environmental changes and user consumption patterns. One common technique for gathering data on network performance across different geographic areas is drive testing, which involves traveling through all the points on a designated map, including streets and pathways, to evaluate network performance. Operators use the data collected through this method to improve mobile networks. However, this process can be costly and time-consuming for network operators. This paper proposes a more cost-effective method for optimizing data collection during drive tests in mobile networks. The proposed method involves identifying a shorter route for data collection, allowing for acquiring regions with poor RSRP in specific locations, thereby reducing costs. Additionally, this paper introduces a criterion for evaluating the effectiveness of a drive testing route. The proposed route, along with the introduced criterion, has been evaluated using real drive test data.