Pub Date : 2020-11-25DOI: 10.1109/EnT50437.2020.9431251
D. Parfenov, I. Bolodurina, A. Shukhman, A. Zhigalov, L. Zabrodina
Currently, the use of intelligent data analysis methods allows us to solve applied problems that go beyond simple machine learning and determines the development vector for the possibility to automate all stages of this process. This article presents an approach that allows you to automate the construction and selection of features of raw datasets. The developed method is a logical extension of the ExploreKit algorithm at the stage of generating new feature candidates and calculating meta-objects to represent the dataset and feature candidates. Also, our approach integrated the tree representation of transformations of the AutoFE feature space and methods of evolutionary optimization. Experimental studies on UNSW-NB15, CICDDoS2019, and APA-DDoS traffic datasets have shown that the evolutionary algorithm to form the feature space allows obtaining the necessary accuracy comparable to other algorithms. In addition, the evolutionary approach showed good performance in most cases due to the parallelization of calculations. On the CICDDoS dataset with the highest number of characteristics, the performance of evolutionary approach was 7.4% higher than the Feature Learning by Tree algorithm, but our approach was 13.9% lower than the Feature Learning by Deep Network algorithm. However, the accuracy of FDN algorithm was 2.2 % lower than the accuracy of the evolutionary approach. On the UNSW_NB15 and APA-DDoS datasets, the developed approach showed a decrease in performance, but its accuracy compared to other algorithms is 1.9% higher on average.
{"title":"Development and Research of an Evolutionary Algorithm for the Formation of a Feature Space based on AutoML for Solving the Problem of Identifying Cyber Attacks","authors":"D. Parfenov, I. Bolodurina, A. Shukhman, A. Zhigalov, L. Zabrodina","doi":"10.1109/EnT50437.2020.9431251","DOIUrl":"https://doi.org/10.1109/EnT50437.2020.9431251","url":null,"abstract":"Currently, the use of intelligent data analysis methods allows us to solve applied problems that go beyond simple machine learning and determines the development vector for the possibility to automate all stages of this process. This article presents an approach that allows you to automate the construction and selection of features of raw datasets. The developed method is a logical extension of the ExploreKit algorithm at the stage of generating new feature candidates and calculating meta-objects to represent the dataset and feature candidates. Also, our approach integrated the tree representation of transformations of the AutoFE feature space and methods of evolutionary optimization. Experimental studies on UNSW-NB15, CICDDoS2019, and APA-DDoS traffic datasets have shown that the evolutionary algorithm to form the feature space allows obtaining the necessary accuracy comparable to other algorithms. In addition, the evolutionary approach showed good performance in most cases due to the parallelization of calculations. On the CICDDoS dataset with the highest number of characteristics, the performance of evolutionary approach was 7.4% higher than the Feature Learning by Tree algorithm, but our approach was 13.9% lower than the Feature Learning by Deep Network algorithm. However, the accuracy of FDN algorithm was 2.2 % lower than the accuracy of the evolutionary approach. On the UNSW_NB15 and APA-DDoS datasets, the developed approach showed a decrease in performance, but its accuracy compared to other algorithms is 1.9% higher on average.","PeriodicalId":129694,"journal":{"name":"2020 International Conference Engineering and Telecommunication (En&T)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133868227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-11-25DOI: 10.1109/EnT50437.2020.9431276
G. Korolev, A. Kureev, E. Khorov, Dmitry Shmelkin
Non-orthogonal multiple access (NOMA) is a key technology for future wireless systems. Keeping the number of antennas on the devices unchanged, NOMA increases the spectral efficiency of the wireless system and raises the aggregated system throughput. For this reason, NOMA is a very attractive technology for implementation in future Wi-Fi standards that will come after Wi-Fi 7. The paper proposes and evaluates uplink NOMA in Wi-Fi, The obtained results show approximately 100% gain in throughput of the uplink NOMA comparing with the legacy Wi-Fi systems.
{"title":"Performance Evaluation of Uplink NOMA in Wi-Fi Networks","authors":"G. Korolev, A. Kureev, E. Khorov, Dmitry Shmelkin","doi":"10.1109/EnT50437.2020.9431276","DOIUrl":"https://doi.org/10.1109/EnT50437.2020.9431276","url":null,"abstract":"Non-orthogonal multiple access (NOMA) is a key technology for future wireless systems. Keeping the number of antennas on the devices unchanged, NOMA increases the spectral efficiency of the wireless system and raises the aggregated system throughput. For this reason, NOMA is a very attractive technology for implementation in future Wi-Fi standards that will come after Wi-Fi 7. The paper proposes and evaluates uplink NOMA in Wi-Fi, The obtained results show approximately 100% gain in throughput of the uplink NOMA comparing with the legacy Wi-Fi systems.","PeriodicalId":129694,"journal":{"name":"2020 International Conference Engineering and Telecommunication (En&T)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132219873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-11-25DOI: 10.1109/EnT50437.2020.9431295
K. Vytovtov, E. Barabanova, V. Vyshnevsky
Due to development of artificial intelligence systems, nanotechnology and quantum systems for signal transmission and information processing, detailed description and modeling physical process at the quantum level is very relevant for today. The accurate analytical model (Croning-Penny model) for a crystal lattice with stepwise change in potential has been developed and analyzed in scientific literature in detail. In well-known papers a structure with double-cell period only has been under consideration. However cases of continuous potential have been studied by using numerical and semi-analytical methods only. The authors propose the accurate analytical model for the case of continuous potential. The fundamental matrix of Schrodinger equation is obtained by using the Floquet theory, fundamental matrix of an interval with constant parameters and continuous conditions for wave function and it's derivation. The analysis of the obtained solution gives us bandgap structure of polyatomic crystal lattices. The numerical calculations proving correctness of the obtained results are present too.
{"title":"The Analytical Model of a Polyatomic Crystal Lattice With a Continuous Potential","authors":"K. Vytovtov, E. Barabanova, V. Vyshnevsky","doi":"10.1109/EnT50437.2020.9431295","DOIUrl":"https://doi.org/10.1109/EnT50437.2020.9431295","url":null,"abstract":"Due to development of artificial intelligence systems, nanotechnology and quantum systems for signal transmission and information processing, detailed description and modeling physical process at the quantum level is very relevant for today. The accurate analytical model (Croning-Penny model) for a crystal lattice with stepwise change in potential has been developed and analyzed in scientific literature in detail. In well-known papers a structure with double-cell period only has been under consideration. However cases of continuous potential have been studied by using numerical and semi-analytical methods only. The authors propose the accurate analytical model for the case of continuous potential. The fundamental matrix of Schrodinger equation is obtained by using the Floquet theory, fundamental matrix of an interval with constant parameters and continuous conditions for wave function and it's derivation. The analysis of the obtained solution gives us bandgap structure of polyatomic crystal lattices. The numerical calculations proving correctness of the obtained results are present too.","PeriodicalId":129694,"journal":{"name":"2020 International Conference Engineering and Telecommunication (En&T)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130083687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-11-25DOI: 10.1109/EnT50437.2020.9431281
A. K. Dwivedi, Pramod Narayan Tripathi, S. Yadav, Vivek Singh, Alexey Nazarov
This article showcases the design and analysis of a staircase aperture loaded microstrip patch antenna (MPA) of dimension 28x23x1.6 mm3. The modelling and simulation are performed using Ansoft HFSS 18. The proposed antenna design operates at two different frequency bands i.e. 2.2 GHz - 2.4 GHz and 5.05 GHz - 5.62 GHz, covering the important bands of Sub-6 GHz frequencies for 5G outdoor applications with dual polarization characteristics. The CP is observed at the higher frequency band i.e. from 5.25 GHz - 5.50 GHz by modifying the ground plane. The proposed design has been verified by validating the simulated results with the measured results using an anechoic chamber. A positive value of gain and radiation efficiency greater than 90% is observed at both the resonating frequencies.
{"title":"Staircase Aperture Loaded MPA for (B41/n41) Sub-6 GHz for 5G Domain","authors":"A. K. Dwivedi, Pramod Narayan Tripathi, S. Yadav, Vivek Singh, Alexey Nazarov","doi":"10.1109/EnT50437.2020.9431281","DOIUrl":"https://doi.org/10.1109/EnT50437.2020.9431281","url":null,"abstract":"This article showcases the design and analysis of a staircase aperture loaded microstrip patch antenna (MPA) of dimension 28x23x1.6 mm3. The modelling and simulation are performed using Ansoft HFSS 18. The proposed antenna design operates at two different frequency bands i.e. 2.2 GHz - 2.4 GHz and 5.05 GHz - 5.62 GHz, covering the important bands of Sub-6 GHz frequencies for 5G outdoor applications with dual polarization characteristics. The CP is observed at the higher frequency band i.e. from 5.25 GHz - 5.50 GHz by modifying the ground plane. The proposed design has been verified by validating the simulated results with the measured results using an anechoic chamber. A positive value of gain and radiation efficiency greater than 90% is observed at both the resonating frequencies.","PeriodicalId":129694,"journal":{"name":"2020 International Conference Engineering and Telecommunication (En&T)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121216250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-11-25DOI: 10.1109/EnT50437.2020.9431293
D. Klygach, M. Vakhitov, A. Khashimov, Alex Trukhanov
The paper presents a mathematical model for calculating the dielectric permittivity of a two-component mixture of powder materials. Measurements of electrodynamic parameters of powder materials are described and experimental and calculated frequency dependences are given. Comparison of calculated and experimental values for a two-component mixture with different volumetric concentration ratios is performed.
{"title":"Calculation of the Dielectric Permittivity of Phase-Inhomogeneous Powder Compositions","authors":"D. Klygach, M. Vakhitov, A. Khashimov, Alex Trukhanov","doi":"10.1109/EnT50437.2020.9431293","DOIUrl":"https://doi.org/10.1109/EnT50437.2020.9431293","url":null,"abstract":"The paper presents a mathematical model for calculating the dielectric permittivity of a two-component mixture of powder materials. Measurements of electrodynamic parameters of powder materials are described and experimental and calculated frequency dependences are given. Comparison of calculated and experimental values for a two-component mixture with different volumetric concentration ratios is performed.","PeriodicalId":129694,"journal":{"name":"2020 International Conference Engineering and Telecommunication (En&T)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128899406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-11-25DOI: 10.1109/EnT50437.2020.9431263
A. M. Kanner, T. M. Kanner
The article considers a modern approach to the creation of formal computer system security models, which consists in describing a model in some formal language suitable for its verification for compliance with the expected properties. The article provides an example of such a description in the form of a specification of a formal model of the isolated program environment in the language of the Lamport's temporal logic of actions. The specification is formed as an initial state of the system, a list of possible further actions and a set of invariants and temporal properties to which the system's states must correspond. The initial state is described by some entities that must exist in each system implementation. The system's actions are given in the form of predicates of pre- and postconditions, with some model's variables changing in the latter. Invariants and temporal properties are described in the form of predicates, whose truth must be checked in each possible state of the system or depending on the conditions occurring in previous or future states. The article considers the features of forming a security model specification in TLA+ notation and verifying it using special tools. In its conclusion, the article describes the results of verifying the specification of the formal model of the isolated program environment of subjects, the existing problems and directions for further research on this topic.
{"title":"Verification of a Model of the Isolated Program Environment of Subjects Using the Lamport's Temporal Logic of Actions","authors":"A. M. Kanner, T. M. Kanner","doi":"10.1109/EnT50437.2020.9431263","DOIUrl":"https://doi.org/10.1109/EnT50437.2020.9431263","url":null,"abstract":"The article considers a modern approach to the creation of formal computer system security models, which consists in describing a model in some formal language suitable for its verification for compliance with the expected properties. The article provides an example of such a description in the form of a specification of a formal model of the isolated program environment in the language of the Lamport's temporal logic of actions. The specification is formed as an initial state of the system, a list of possible further actions and a set of invariants and temporal properties to which the system's states must correspond. The initial state is described by some entities that must exist in each system implementation. The system's actions are given in the form of predicates of pre- and postconditions, with some model's variables changing in the latter. Invariants and temporal properties are described in the form of predicates, whose truth must be checked in each possible state of the system or depending on the conditions occurring in previous or future states. The article considers the features of forming a security model specification in TLA+ notation and verifying it using special tools. In its conclusion, the article describes the results of verifying the specification of the formal model of the isolated program environment of subjects, the existing problems and directions for further research on this topic.","PeriodicalId":129694,"journal":{"name":"2020 International Conference Engineering and Telecommunication (En&T)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121098918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-11-25DOI: 10.1109/EnT50437.2020.9431319
E. I. Semernya
Numerical analysis of wave scattering by a body of revolution composed of a homogeneous dielectric sphere and an external inhomogeneous dielectric layer with arbitrary generatrix is carried out. A modification of the hybrid projection includes expansion of the fields in terms of transverse vector spherical functions, projection of the Maxwell's equations in the inhomogeneous region on the indicated functions, and use of one-dimensional method of finite elements in projection form over the radial coordinate. Two more modifications correspond to the case of a perfectly conducting internal sphere and for the case of the absence of the internal sphere. Numerical results presented and discussed in the paper include the cases of wave scattering by a perfectly conducting sphere placed inside inhomogeneous spheroidal layer and a half-spherical Maxwell's fisheye lens.
{"title":"An Algorithm of the Hybrid Projection Method for Analysis of Axially Symmetric Excitation of Inhomogeneous Dielectric Bodies of Revolution","authors":"E. I. Semernya","doi":"10.1109/EnT50437.2020.9431319","DOIUrl":"https://doi.org/10.1109/EnT50437.2020.9431319","url":null,"abstract":"Numerical analysis of wave scattering by a body of revolution composed of a homogeneous dielectric sphere and an external inhomogeneous dielectric layer with arbitrary generatrix is carried out. A modification of the hybrid projection includes expansion of the fields in terms of transverse vector spherical functions, projection of the Maxwell's equations in the inhomogeneous region on the indicated functions, and use of one-dimensional method of finite elements in projection form over the radial coordinate. Two more modifications correspond to the case of a perfectly conducting internal sphere and for the case of the absence of the internal sphere. Numerical results presented and discussed in the paper include the cases of wave scattering by a perfectly conducting sphere placed inside inhomogeneous spheroidal layer and a half-spherical Maxwell's fisheye lens.","PeriodicalId":129694,"journal":{"name":"2020 International Conference Engineering and Telecommunication (En&T)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121129200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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