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Identification of Flying Drones in Mobile Networks using Machine Learning
Linköping University, Department of Electrical Engineering, Communication Systems.
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Identifiering av flygande drönare i mobila nätverk med hjälp av maskininlärning (Swedish)
Abstract [en]

Drone usage is increasing, both in recreational use and in the industry. With it comes a number of problems to tackle. Primarily, there are certain areas in which flying drones pose a security threat, e.g., around airports or other no-fly zones. Other problems can appear when there are drones in mobile networks which can cause interference. Such interference comes from the fact that radio transmissions emitted from drones can travel more freely than those from regular UEs (User Equipment) on the ground since there are few obstructions in the air. Additionally, the data traffic sent from drones is often high volume in the form of video streams. The goal of this thesis is to identify so-called "rogue drones" connected to an LTE network. Rogue drones are flying drones that appear to be regular UEs in the network. Drone identification is a binary classification problem where UEs in a network are classified as either a drone or a regular UE and this thesis proposes machine learning methods that can be used to solve it. Classifications are based on radio measurements and statistics reported by UEs in the network. The data for the work in this thesis is gathered through simulations of a heterogenous LTE network in an urban scenario. The primary idea of this thesis is to use a type of cascading classifier, meaning that classifications are made in a series of stages with increasingly complex models where only a subset of examples are passed forward to subsequent stages. The motivation for such a structure is to minimize the computational requirements at the entity making the classifications while still being complex enough to achieve high accuracy. The models explored in this thesis are two-stage cascading classifiers using decision trees and ensemble learning techniques. It is found that close to 60% of the UEs in the dataset can be classified without errors in the first of the two stages. The rest is forwarded to a more complex model which requires more data from the UEs and can achieve up to 98% accuracy. 

Place, publisher, year, edition, pages
2019. , p. 41
Keywords [en]
Drones, Machine Learning, LTE, Mobile networks, Radio, Decision tree, Ensemble learning
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:liu:diva-157627ISRN: LiTH-ISY-EX--19/5222--SEOAI: oai:DiVA.org:liu-157627DiVA, id: diva2:1326033
External cooperation
Ericsson AB
Subject / course
Information Technology
Presentation
2019-06-13, Algoritmen, Linköpings universitet, Linköping, 13:15 (English)
Supervisors
Examiners
Available from: 2019-06-18 Created: 2019-06-17 Last updated: 2019-06-18Bibliographically approved

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