Multi-Fault-Tolerant Operation of Grid-Interfaced Photovoltaic Inverters Using Twin Delayed Deep Deterministic Policy Gradient Agent by Shyamal S. Chand, Branislav Hredzak, Maurizio Cirrincione

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Additively manufactured conductive and dielectric 3D metasurfaces for independent manipulation of broadband orbital angular momentum by Mengze Li, Jiaqi Cai, Li Deng, Xiaopeng Li, Francesca Iacopi, Yang Yang

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User-Centric Radio Access Technology Selection: A Survey of Game Theory Models and Multi-Agent Learning Algorithms by Giuseppe Caso, Ozgu Alay, Guido Carlo Ferrante, Luca De Nardis, Maria-Gabriella Di Benedetto, Anna Brunstrom

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IoT based intelligent pest management system for precision agriculture by Salman Ahmed, Safdar Nawaz Khan Marwat, Ghassen Ben Brahim, Waseem Ullah Khan, Shahid Khan, Ala Al-Fuqaha, Slawomir Koziel

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Continuous Dependence in Front Propagation for Convective Reaction-Diffusion Models with Aggregative Movements by Luisa Malaguti, Cristina Marcelli, Serena Matucci

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Image Encryption Using a Lightweight Stream Encryption Algorithm by Saeed Bahrami, Majid Naderi

“…Security of the multimedia data including image and video is one of the basic requirements for the telecommunications and computer networks. In this paper, we consider a simple and lightweight stream encryption algorithm for image encryption, and a series of tests are performed to confirm suitability of the described encryption algorithm. …”
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Research of WLAN authentication in roaming environment with the trend of network integration by Zhang-zhe LIU, Hua-ying SHU

“…In the tendency of network convergence,the method of WLAN network client authentication based on telecommunications network will be the main way of WLAN authentication in the future.In order to make WLAN authentication efficiency and security under roaming condition,WLAN authentication requirements were analyzed,the authentication mode,the process and the existing problems were discussed.An application model and design scheme of WLAN network client authentication based on EAP SIM/AKA protocol with the trend of network integration were proposed and verified.Experimental results show that this application model can complete the EAP SIM/AKA protocol identification of a WLAN client in roaming process,reduce the investment of networks,keep the safety grades of the nodes in the visited WLAN with the initial safety grades,and realize the real-time charging.…”
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Subalgebras of BCK/BCI-Algebras Based on Cubic Soft Sets by G. Muhiuddin, Feng Feng, Young Bae Jun

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The Dynamical Analysis of Computer Viruses Model with Age Structure and Delay by Hui Cao, Si Wang, Dongxue Yan, Hongwu Tan, Hemiao Xu

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The Coupled Nonlinear Schrödinger Equations Describing Power and Phase for Modeling Phase-Sensitive Parametric Amplification in Silicon Waveguides by Xuefeng Li, Zhaolu Wang, Hongjun Liu

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Twin Deficits: Evidence From Portugal, Italy, Spain and Greece by Konstantinos P. Panousis, Minoas Koukouritakis

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Practice analysis of domestic and foreign industry benchmarking enterprises in the field of network and information security by Xiaoyin XI, Xiaoyun YUAN

“…In order to better promote the construction of China Telecom’s network and information security governance system,optimize the network and information security product service system,and promote the cultivation and development of network and information security core competence,domestic and foreign industry benchmark enterprises were selected to carry out practical case analysis.The advanced successful experience of benchmarking enterprises in the field of network and information security were summarized,and the current development status and future development trend in the field of network and information security were further combined,and targeted development suggestions and measures were put forward to improve the governance system of China’s telecommunications network and information security,improve the governance ability,as well as related business,and the development of products and services provides useful help.…”
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Omnidirectional Dual-Reflector Antenna with GO Shaped Main Reflector for Pattern Control in the Elevation Plane: OADC Case by José R. Bergmann, Fernando J. S. Moreira

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A comparative analysis of the development modes of the IoT for telecom operators by Kaikai LIU, Xun ZHANG

“…In recent years,the development of IoT is in full swing.It is of great significance for the current transformation and development of domestic telecom operators.In this context,the business model is very important for operators to achieve “overtaking” in the IoT industry.Based on the analysis of the operation status of the IoT of operators,the development strategies of the IoT industry at home and abroad were compared,and three different development strategies was summarized.Telecom operators had advantages in customers,channels and other aspects,but limited by many factors.It was suggested that in constructing the development model,they should follow the principle of gradual progress,fully according to their own enterprise positioning,combined with national policies,pay attention to their own positioning in the industry chain of the IoT,pay attention to risks,and ultimately realize it.Better development model improve the current situation of increasing revenue in the telecommunications industry.…”
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A New Model of Ultracapacitors Based on Fractal Fundamentals by Xiaodong Zhang, Yi Sun, Jia Song, Aijun Wu, Xiaoyan Cui

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Measurement of Coherence Bandwidth in UHF Radio Channels for Narrowband Networks by Jaroslaw Sadowski

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Strict Efficiency in Vector Optimization with Nearly Convexlike Set-Valued Maps by Xiaohong Hu, Zhimiao Fang, Yunxuan Xiong

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A New Fractional-Order Hyperchaotic System and Its Adaptive Tracking Control by Yinlan Chen, Haodong Zhang, Xu Kong

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Bayesian Nonparametric Modeling for Rapid Design of Metamaterial Microstructures by Bin Liu, Chunlin Ji

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Relaxation Digital-to-Analog Converters Featuring Self-Calibration and Parasitics-Induced Error Suppression in 180-nm CMOS by Roberto Rubino, Francesco Musolino, Pedro Toledo, Yong Chen, Anna Richelli, Paolo S. Crovetti

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