K
Károly Farkas
Researcher at Budapest University of Technology and Economics
Publications - 55
Citations - 777
Károly Farkas is an academic researcher from Budapest University of Technology and Economics. The author has contributed to research in topics: Mobile device & Wireless ad hoc network. The author has an hindex of 15, co-authored 53 publications receiving 738 citations. Previous affiliations of Károly Farkas include University of West Hungary & École Polytechnique Fédérale de Lausanne.
Papers
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Journal ArticleDOI
Link quality prediction in mesh networks
TL;DR: XCoPred (using Cross-Correlation to Predict), a pattern matching based scheme to predict link quality variations based on Signal to Noise Ratio measurements, is proposed and an enhanced handoff management scheme for 802.11 mesh networks is proposed showing the usefulness of XCoPred as a cross-layer input.
Journal ArticleDOI
Crowdsending based public transport information service in smart cities
TL;DR: The paper describes TrafficInfo in detail together with the developed stop event detector, which is built upon the Extensible Messaging and Presence Protocol (XMPP) based communication framework what was designed to facilitate the development of crowd assisted smart city applications.
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Context-aware handover using active network technology
TL;DR: This paper focuses on optimizing handover decisions in heterogeneous environments, where the user has a choice among different mobile networks and access points, and proposes a flexible, integrated approach for context management, which can adapt in several ways.
Proceedings ArticleDOI
Framework for smart city applications based on participatory sensing
Robert Szabo,Károly Farkas,Márton Ispány,András A. Benczúr,Norbert Bátfai,Péter Jeszenszky,Sándor Laki,Anikó Vágner,Lajos Kollár,Cs Sidlo,Renátó Besenczi,Máté Smajda,Gergely Kövér,Tamas Szincsak,Tamás Kádek,Márk Kósa,Attila Adamkó,Imre Lendak,Bernát Wiandt,Timon Tomas,A. Zs Nagy,Gabor Feher +21 more
TL;DR: This paper presents a generic framework built upon XMPP (Extensible Messaging and Presence Protocol) for mobile participatory sensing based smart city applications, and shows three use-case smart city application scenarios, namely a live transit feed service, a soccer intelligence agency service and a smart campus application, which are currently under development on top of this framework.
Journal ArticleDOI
Survey Secure and reliable clustering in wireless sensor networks: A critical survey
TL;DR: A taxonomy of security and reliability for cluster head election and clustering in WSNs is defined and the most relevant secure and reliable clustering protocols are described and analyzed.