Andrade, Rossana M. C.

Ferrari, Gianluigi

Lim, Yujin

Takahashi, Hideyuki

English

Open Access Repository

EditorialEnergy Efficient Wireless NetworksYujin Lim ,1 Gianluigi Ferrari ,2 Hideyuki Takahashi ,3 and Rossana M. C. Andrade41 Sookmyung Women’s University, Seoul, Republic of Korea2University of Parma, Parma, Italy3Tohoku Gakuin University, Sendai, Japan4Federal University of Ceará, Fortaleza, BrazilCorrespondence should be addressed to Yujin Lim; yujin91@sookmyung.ac.krReceived 30 May 2019; Accepted 30 May 2019; Published 12 June 2019Copyright © 2019 Yujin Lim et al.is is an open access article distributed under theCreative CommonsAttribution License, whichpermits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.As IoT services become vitalized, this leads to an explosionof sensor nodes more and more. As the energy consumptionof a wireless network increases with the number of nodes,it becomes critical to reduce the energy consumption of awireless network. e sensor nodes are required to functionfor from a fewmonths to a few years without recharging oncethey are installed. In order to enlarge the lifetime of the nodes,an energy efficient scheme is needed to save the energy of thenodes. Now, the energy efficiency has become one of the keycriteria for designing wireless networks, not only because ofthe environmental concerns, but also practical reasons of thenodes inwireless networks. Even though a significant numberof studies taking evolutionary approaches are in progress togive advancements of the energy efficient wireless networks,much effort is still required to crystallize the energy efficientwireless networks.e scope of this special issue is in line with recentcontributions from academia and industry to tackle thetechnical challenges in order to concretize the energy efficientwireless networks. For the current issue, we are pleased tointroduce a collection of papers covering a range of topics asfollows:(i) Switching strategy for energy efficient wireless net-works(ii) Clustering protocol for energy efficient wireless net-works(iii) Transmission power control for energy efficient wire-less networks(iv) Vertical handover algorithm for energy efficient wire-less networks(v) Optimization of directional antennas for energy effi-cient wireless networksAs always, we appreciate the high-quality submissions fromauthors and the support of the community of reviewers.Conflicts of Intereste guest editors declare no conflicts of interest.Yujin LimGianluigi FerrariHideyuki TakahashiRossana M. C. AndradeHindawiWireless Communications and Mobile ComputingVolume 2019, Article ID 1726458, 1 pagehttps://doi.org/10.1155/2019/1726458International Journal ofAerospaceEngineeringHindawiwww.hindawi.com Volume 2018RoboticsJournal ofHindawiwww.hindawi.com Volume 2018Hindawiwww.hindawi.com Volume 2018 Active and Passive  Electronic ComponentsVLSI DesignHindawiwww.hindawi.com Volume 2018Hindawiwww.hindawi.com Volume 2018Shock and VibrationHindawiwww.hindawi.com Volume 2018Civil EngineeringAdvances inAcoustics and VibrationAdvances inHindawiwww.hindawi.com Volume 2018Hindawiwww.hindawi.com Volume 2018Electrical and Computer EngineeringJournal ofAdvances inOptoElectronicsHindawiwww.hindawi.comVolume 2018Hindawi Publishing Corporation http://www.hindawi.com Volume 2013www.hindawi.comThe Scientific World Journal8Control Scienceand EngineeringJournal ofHindawiwww.hindawi.com Volume 2018Hindawiwww.hindawi.com Journal ofEngineeringVolume 2018SensorsJournal ofHindawiwww.hindawi.com Volume 2018International Journal ofRotatingMachineryHindawiwww.hindawi.com Volume 2018Modelling &Simulationin EngineeringHindawiwww.hindawi.com Volume 2018Hindawiwww.hindawi.com Volume 2018Chemical EngineeringInternational Journal of  Antennas andPropagationInternational Journal ofHindawiwww.hindawi.com Volume 2018Hindawiwww.hindawi.com Volume 2018Navigation and  ObservationInternational Journal ofHindawiwww.hindawi.com Volume 2018 Advances in MultimediaSubmit your manuscripts atwww.hindawi.com

Energy Efficient Wireless Networks

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Energy Efficient Wireless Networks

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