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5G Mobile Networks for Future Smart City

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Communications".

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 11581

Special Issue Editors


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Guest Editor
Department of Information Management, National Taichung University of Science and Technology, Taichung, Taiwan
Interests: artificial intelligence; soft computing; bio-inspired computing; financial engineering; data mining
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Information Systems Department, College of Computer and Information Sciences, King Saud University (KSU), Riyadh, Saudi Arabia
Interests: Internet of Things; body sensor network; wireless sensor network; 5G network

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Guest Editor
Seccion de Estudios de Posgrado e Investigacion, Esime Azcapotzalco, Instituto Politecnico Nacional, Mexico City 02250, Mexico
Interests: control; optimization
Special Issues, Collections and Topics in MDPI journals
Department of Computer Science & Information Engineering, National Ilan University, Yilan, Taiwan
Interests: computer networks; wireless network; network security; blockchain and internet of things
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Across the globe, populations in cities have been growing. To avoid overcrowding and the accompanying decrease in quality of life, it is essential to introduce the concept of the “smart city”. In order to enhance quality of life and manage resources, everything in a smart city is tightly connected via the Internet, from public facilities to municipal management systems. Municipal decision making can be supported by collecting various types of data from the Internet of Things (IoT), utilizing cloud or other types of storage equipment to share data, and conducting big data research to analyze relevant issues.

Given the vast amount of collected data saved by the IoT or residing in information storage, the public has grown increasingly concerned, demanding stricter security and privacy, with the expectation that the data provided will be appropriately protected by the city and the government. The currently available fifth generation (5G) network offers three features: vast broadband, ultra-low latency, and massive connectivity. These features enable any type of device—even single sensor equipment—to connect online and contribute data to the smart city system. To improve resource efficiency, all of the devices in a smart city system (e.g., transportation, medical care, electricity, disaster prevention) may use artificial intelligence to conduct big data analyses to better understand user traffic, logistics, and resource usage. Smart city systems can use high-performance technology such as cloud computing, fog computing, and high-consumption sensors to handle massive amounts of data in order to satisfy the demands of the public. However, the large number of sensors and Internet devices required to build a smart city system will consume a lot of energy. The development of intelligent green communication networks could reduce the energy consumption of the 5G network and increase the sustainability of the power equipment. Intelligent green communication networks could significantly reduce the number of smart city sensors and 5G network small cells, further supporting a high efficiency and low power consumption environment for a smart city.

Topics:

This Special Edition has inspired many experts and researchers in the fields of communications networks and information technology to present more ideas. Combining the concepts of the 5G network and intelligent green communication networks will allow for a wider range of more effective solutions for smart city systems. Topics appropriate for this Special Issue include:

  • AI and machine learning for smart cities;
  • Quality of service in 5G for smart cities;
  • Next generation mobile network intelligent processing technologies;
  • Software-defined networks in 5G for smart cities;
  • Data transmission technology and applications for smart cities;
  • Low-power encryption and decryption in 5G;
  • Intelligent green communication network designs and implementations for smart cities;
  • Security and privacy technologies for smart cities;
  • NB-IoT designs and implementations for smart cities;
  • Emerging Internet of Things applications for smart cities.

Manuscripts, or extended versions of papers presented at related conferences, are welcome. Submissions must not be currently under review for publication elsewhere. Conference papers may be submitted only if they are completely re-written or substantially extended (more than 50%), and must be referenced.

Dr. Mu-Yen Chen
Dr. Mohammad Mehedi Hassan
Dr. Jose de Jesus Rubio
Dr. Hsin-Te Wu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (3 papers)

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Research

21 pages, 2118 KiB  
Article
Cellular Network Radio Monitoring and Management through Virtual UE Probes: A Study Case Based on Crowded Events
by Eduardo Baena, Sergio Fortes, Özgü Alay, Min Xie, Håkon Lønsethagen and Raquel Barco
Sensors 2021, 21(10), 3404; https://doi.org/10.3390/s21103404 - 13 May 2021
Cited by 6 | Viewed by 3368
Abstract
Although log processing of network equipment is a common technique in cellular network management, several factors make said task challenging, especially during mass attendance events. The present paper assesses classic methods for cellular network measurement and acquisition, showing how the use of on-the-field [...] Read more.
Although log processing of network equipment is a common technique in cellular network management, several factors make said task challenging, especially during mass attendance events. The present paper assesses classic methods for cellular network measurement and acquisition, showing how the use of on-the-field user probes can provide relevant capabilities to the analysis of cellular network performance. Therefore, a framework for the deployment of this kind of system is proposed here based on the development of a new hardware virtualization platform with radio frequency capabilities. Accordingly, an analysis of the characteristics and requirements for the use of virtual probes was performed. Moreover, the impact that social events (e.g., sports matches) may have on the service provision was evaluated through a real cellular scenario. For this purpose, a long-term measurement study during crowded events (i.e., football matches) in a stadium has been conducted, and the performances of different services and operators under realistic settings has been evaluated. As a result, several considerations are presented that can be used for better management of future networks. Full article
(This article belongs to the Special Issue 5G Mobile Networks for Future Smart City)
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17 pages, 4553 KiB  
Article
Fast Handover Algorithm Based on Location and Weight in 5G-R Wireless Communications for High-Speed Railways
by Baofeng Duan, Cuiran Li, Jianli Xie, Wei Wu and Dongmei Zhou
Sensors 2021, 21(9), 3100; https://doi.org/10.3390/s21093100 - 29 Apr 2021
Cited by 4 | Viewed by 3321
Abstract
With the booming development of high-speed railways (HSRs), key technologies of wireless communications need to be constantly innovated. In particular, the frontier issue of low delay of the handover for the fifth generation (5G) in fast-moving scenarios has attracted attention from both industry [...] Read more.
With the booming development of high-speed railways (HSRs), key technologies of wireless communications need to be constantly innovated. In particular, the frontier issue of low delay of the handover for the fifth generation (5G) in fast-moving scenarios has attracted attention from both industry and academia. Based on an analysis of a large number of measured data and the location of the user equipment (UE), a fast handover algorithm is proposed to solve the problem of long delay for a train moving at high speed in a 5G-railway (5G-R). By calculating the speed of a train and its direction of movement, a reasonable handover mode is selected and the handover chain of neighboring cells is identified. The location of the train can be calculated to determine whether UE enters the defined identification zone of pre-handover. Depending on the values collected in the measurement report, the command of the handover is triggered when the weight of the target cell is greater than that of the source cell. Our experimental results show that the delay of the fast handover algorithm is reduced by 2.03%, and the success rate of the handover is increased by 0.42%. Research directions for smart railways are discussed based on these findings. Full article
(This article belongs to the Special Issue 5G Mobile Networks for Future Smart City)
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25 pages, 13382 KiB  
Article
Fifth-Generation (5G) mmWave Spatial Channel Characterization for Urban Environments’ System Analysis
by Leyre Azpilicueta, Peio Lopez-Iturri, Jaime Zuñiga-Mejia, Mikel Celaya-Echarri, Fidel Alejandro Rodríguez-Corbo, Cesar Vargas-Rosales, Erik Aguirre, David G. Michelson and Francisco Falcone
Sensors 2020, 20(18), 5360; https://doi.org/10.3390/s20185360 - 18 Sep 2020
Cited by 20 | Viewed by 3969
Abstract
In this work, the channel characterization in terms of large-scale propagation, small-scale propagation, statistical and interference analysis of Fifth-Generation (5G) Millimeter Wave (mmWave) bands for wireless networks for 28, 30 and 60 GHz is presented in both an outdoor urban complex scenario and [...] Read more.
In this work, the channel characterization in terms of large-scale propagation, small-scale propagation, statistical and interference analysis of Fifth-Generation (5G) Millimeter Wave (mmWave) bands for wireless networks for 28, 30 and 60 GHz is presented in both an outdoor urban complex scenario and an indoor scenario, in order to consider a multi-functional, large node-density 5G network operation. An in-house deterministic Three-Dimensional Ray-Launching (3D-RL) code has been used for that purpose, considering all the material properties of the obstacles within the scenario at the frequency under analysis, with the aid of purpose-specific implemented mmWave simulation modules. Different beamforming radiation patterns of the transmitter antenna have been considered, emulating a 5G system operation. Spatial interference analysis as well as time domain characteristics have been retrieved as a function of node location and configuration. Full article
(This article belongs to the Special Issue 5G Mobile Networks for Future Smart City)
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