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- W4206362272 abstract "Cellular networks are constantly evolving, driven by changes in user behavior and device capabilities. To ensure that networks adapt to these changes, it is of vital importance for mobile operators to have a good understanding of how well their network meets subscriber needs. For this purpose, the Minimization of Drive Test (MDT) feature has been standardized, allowing operators the cost-effective provision of geolocated network performance statistics and radio events. However, in practice, positioning errors severely limit the potential of MDT measurements. In this paper, an in-depth analysis of a large MDT dataset taken from a commercial Long-Term Evolution (LTE) network shows for the first time several sources of positioning errors in MDT measurements not previously reported in the literature. To address these, a novel heuristic filtering algorithm is proposed to discard samples with inaccurate location data. Method assessment is done by checking the impact of filtering on the coverage map built with a real MDT dataset. Results show that the proposed filtering method significantly improves the accuracy of coverage maps by eliminating unreliable measurements." @default.
- W4206362272 created "2022-01-26" @default.
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- W4206362272 date "2023-07-01" @default.
- W4206362272 modified "2023-09-27" @default.
- W4206362272 title "On the Improvement of Cellular Coverage Maps by Filtering MDT Measurements" @default.
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- W4206362272 doi "https://doi.org/10.1109/tmc.2022.3142740" @default.
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