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5G (5th Generation) and the related technologies implementation are expected in 2020. The 5G is considered to be a breakthrough of IoT devices in terms of enhanced bandwidth, efficiency, reliability and energy consumption. This study focuses on quantitative and qualitative progression of research in the field of 5G. It also provides the publishing trend, most productive and cited countries, organizations, and authors on 5G. In addition, it identifies the most frequently used keywords, authorship pattern and preferred journals. The research is based on 5G related research from Scopus database, which includes all relevant keywords of the field limiting it to conference papers, articles, book chapters, editorial and books. The outcome of the study revealed that 5G related research is on the rise worldwide. The number of yearly published articles has increased from one to 2222 during the period between 2003 and 2020. China, United States and United-Kingdom are most productive countries. Beijing University of Posts and Telecommunications have taken lead in publishing 5G research. Furthermore, it is noteworthy that 19 out of these 20 most productive organizations in the world, seven belong to China. Majority of top 10 preferred journals are Q1 and published by IEEE (Institute of Electrical and Electronics Engineers). The most popular authorship pattern is three-authors. In subcategories of wireless networks, 5G communication gets a lot of attention. [ABSTRACT FROM AUTHOR]

In this paper, a novel repetitive control scheme is presented and discussed, based on the so-called B-spline filters. These dynamic filters are able to generate a B-spline trajectory if they are fed with the sequence of control points defining the curve. Therefore, they are ideal tools for generating online reference signals with the prescribed level of smoothness for driving dynamic systems, possibly together with a feedforward compensator. In particular, a continuous zero phase error tracking controller (ZPETC) can be used for tracking control of nonminimum phase systems but because of its open-loop nature it cannot guarantee the robustness with respect to modeling errors and exogenous disturbances. For this reason, ZPETC and trajectory generator have been embedded in a repetitive control scheme that allows to nullify interpolation errors even in nonideal conditions, provided that the desired reference trajectory and the disturbances are periodic. This paper is based on the results presented in the conference paper [L. Biagiotti, F. Califano, and C. Melchiorri, “Repetitive control of non-minimum phase systems along b-spline trajectories,” in Proc. IEEE 55th Conf. Decis. Control, 2016, pp. 5496–5501.], where asymptotic stability of the overall control scheme has been proved mathematically, but extends such results with an experimental validation based on a nonminimum phase system. Different models of the same physical system have been identified and used in the implementation of this model-based control scheme, allowing a real evaluation of the relationship between control system performance and model accuracy. [ABSTRACT FROM AUTHOR]

With this Special Issue, we are publishing 81 peer-reviewed manuscripts, a selection from the best work presented in June 2019 at the 28th IEEE Symposium on Fusion Engineering (SOFE), Jacksonville, FL, USA. This is the sixth SOFE Special Issue that IEEE TRANSACTIONS ON PLASMA SCIENCE (TPS) has published, a tradition that started with the 2009 SOFE in order to afford attendees the opportunity to publish an expanded version of their oral or poster presentations in a refereed journal. It has become a popular option. With each successive SOFE, more authors take advantage of the possibility offered by TPS to have their conference papers gain wider exposure and be cited by others working in fusion engineering and its related disciplines. Readers benefit as well. For example, this issue features a total of 22 papers on ITER and Wendelstein 7-X, a unique collection of papers on two projects that sit at the forefront of fusion engineering. [ABSTRACT FROM AUTHOR]

Advertisement, IEEE. [ABSTRACT FROM PUBLISHER]

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Advertisement: The IEEE Member Digital Library brings you access to IEEE journals, magazines and conference papers published today or in the last five years. Full-text access to the most essential information in technology today with one convenient subscription. Subscribe: www.ieee.org/ieeemdl. [ABSTRACT FROM PUBLISHER]

Advertisement: The IEEE Member Digital Library brings you access to IEEE journals, magazines and conference papers published today or in the last five years. Full-text access to the most essential information in technology today with one convenient subscription. Subscribe: www.ieee.org/ieeemdl. [ABSTRACT FROM PUBLISHER]