Distributed Computer and Communication Networks: Control, Computation, Communications: 23rd International Conference, DCCN 2020 Moscow, Russia, September 14–18, 2020 Revised Selected Papers

Preface
Organization
Contents
Computer and Communication Networks
Challenges and Performance Evaluation of Multicast Transmission in 60GHz mmWave
	1 Introduction
	2 IEEE 802.11ad/ay Specifications
		2.1 IEEE 802.11ad
		2.2 IEEE 802.11ay
	3 Design Challenges of mmWave Multicast and Unicast Modes
		3.1 Unicast in Directional Networks
		3.2 Multicast in Traditional Networks
		3.3 Multicast in Directional Networks
	4 System Model
		4.1 Antenna and Channel Models
	5 Performance Analysis
		5.1 Static Scenario: Unicast vs. Multicast Performance
		5.2 Static Scenario: Coverage Area Estimation
		5.3 Dynamic Scenario: Mobility Impact on Multicast Transmission
	6 Conclusion
	References
Deep Learning for IoT Traffic Prediction Based on Edge Computing
	1 Introduction
	2 Related Works
	3 Problem Statement
	4 Proposed System and Algorithm
		4.1 Architecture of Deep Learning Implementation Based on Edge-Computing
		4.2 Deep Learning Algorithm for IoT Traffic Prediction
	5 Simulation Results
	6 Conclusion and Future Work
	References
On Optimal Placement of Base Stations in Wireless Broadband Networks to Control a Linear Section with End-to-End Delay Limited
	1 Introduction
	2 Problem Statement
	3 Calculation of Link Distance and Coverage Radius of Stations
	4 Tandem Queue Model for End-to-End Delay Evaluation
	5 Integer Linear Programming Model
	6 Example
		6.1 Computation of the Communication Link Distance Between Base Stations
		6.2 Computation of the Coverage Radius
		6.3 Time Delay Calculation
	7 Conclusion
	References
CPU vs GPU Performance of MATLAB Clustering Algorithms
	1 Clustering Analysis
	2 Clustering Algorithms in MATLAB
	3 Benchmark Details
	4 CPU Benchmark
	5 GPU Benchmark
	6 Performance per Ruble
	7 Conclusion
	References
High-Capacity Photon Switching Systems Based on the Two-Stage 256256 Switch
	1 Introduction
	2 The Quasi-Complete Photon 1616 Switch
	3 The Two-Stage Photon 256256 Switch as the Basic Element of High-Capacity Photon Switching Systems
	4 The Method of Invariant Scaling of Photon Switching Systems
	5 Complexity Calculation
		5.1 Circuit Complexity
		5.2 Fiber Complexity
	6 The Comparative Analysis
	7 Conclusion
	References
Investigation of the Guaranteed Traffic Rate in Enterprise WLAN
	1 Introduction
	2 Characteristics of Wireless Local Area Network
	3 Performance Parameters of Wireless Local Area Network
	4 Investigation of Wireless Channel Media Access Protocol
	5 Model Formulation
	6 Methodology for Guaranteed Delivery Rate Estimation
	7 Conclusion
	References
SARSA Based Method for WSN Transmission Power Management
	1 Introduction
	2 Related Work
	3 Proposed Model and SARSA Based Method
		3.1 Implemented Core Technologies – Modified Multi-layer Perceptron
	4 Conclusions
	References
Method of Frequency Coding in Microwave RFID
	1 Introduction
	2 Frequency Coding
	3 Suppression of False Signals
	4 Solution of Anticollision Problem
	5 Conclusion
	References
On Synchronisation of ISS-OFDM Signals
	1 Introduction
		1.1 ISS-OFDM Properties
		1.2 Scope of the Paper
	2 State of the Art
		2.1 Time-Domain Synchronisation
		2.2 SCO Estimation
	3 Proposed Method
		3.1 Time-Domain Tracker
		3.2 SCO Estimator
		3.3 Simulation Setup
	4 Results and Discussion
	5 Conclusion
	References
Reserve Navigation System of Tether Powered Unmanned Aerial Platform in Conditions of Turbulent Atmosphere
	1 Introduction
	2 Main Laws for the Motion of the Tethered Aerial Vehicle
	3 Coordinates of the Vehicle
	4 Conclusion
	References
Teleportation of the Bell States on IBM Q Computers Under Their Hardware Errors
	1 Introduction
	2 IBM Quantum Computers
		2.1 Gates
		2.2 Sources of Errors
	3 Experimental Realization
		3.1 CNOT Gates Implementation
		3.2 IBM Q Yorktown
		3.3 T-Shaped IBM Quantum Computers
		3.4 IBM Q Rome and IBM Q Santiago
	4 Conclusion
	References
Management of Risks for Complex Computer Network
	1 Introduction
	2 General Model
	3 The Arbitral Solution
	4 Cognitive Game
	5 Conclusion
	References
Prerequisites and Methodology for Digital Transformation of 4G Networks into 5G Ecosystem
	1 Introduction
	2 Statement of the Problem
	3 The Concept of 5G Ecosystem
	4 Subsystems and Structure of RAN and CS Models
	5 RAN Deployment Models
	6 Stages of Transition to the Open O-RAN 5G Network
	7 Conclusion
	References
Analytical Modeling of Distributed Systems
The Simulation of Finite-Source Retrial Queueing Systems with Two-Way Communications to the Orbit and Blocking
	1 Introduction
	2 Model Description and Notations
	3 Simulation Results
		3.1 Squared Coefficient of Variation is Greater Than One
		3.2 Squared Coefficient of Variation Is Less Than One
	4 Conclusion
	References
Token Based Parallel Processing Retrial Queueing System with a Probabilistic Joining Strategy for Priority Customers
	1 Introduction
	2 Model Description
	3 Mathematical Formulation of the Model
	4 Steady-State Analysis
		4.1 Stability Condition
		4.2 Steady-State Probability Vector
		4.3 Performance Measures
	5 Conclusion
	References
A Disease Outbreak Managing Queueing System with Self-generation of Status and Random Clock for Quarantine Time
	1 Introduction
	2 Mathematical Model
	3 Stationary Vector
	4 Performance Characterestics
	5 Departure Process of Customers from Pool
	6 Conclusion
	References
Stochastic Optimization of Local Purchase Quantities in a Geo/Geo/1 Production Inventory System
	1 Introduction
	2 Model 1
		2.1 Stability Condition
		2.2 Steady-State Analysis
	3 Model II
		3.1 Steady State Analysis
	4 Model III
		4.1 Steady State Analysis
	5 Performance Measures
	6 Distribution of Number of Local Purchase in Specified Time
	7 Numerical Experiments
		7.1 Cost Function
		7.2 Graphical Illustrations
	References
Mathematical Model of Horizontal VNF Scalability in virtualized Evolved Packet Core
	1 Introduction
	2 Background
	3 System Model
	4 Mathematical Model
	5 Analytical Evaluation
		5.1 Varying Queuing Size
		5.2 Varying the Biggest Group Number
		5.3 Varying Groups Count
		5.4 Varying Group Service Rate
	6 Conclusions
	7 Appendix
	References
The Method for User Localization in the Local Wireless Network in an Emergency
	1 Introduction
	2 Implementation Options
	3 Model
	4 Conclusion
	References
Analysis of the Using of D2D Communications for the Ad Hoc Network Based on Subscriber Terminals
	1 Introduction
	2 Model
	3 Conclusion
	References
Channel Switching Threshold Strategies for Multichannel Controllable Queuing Systems
	1 Introduction
	2 Problem Statement
	3 A-convexity in Discrete Problems of Optimization
	4 Properties of Optimal Channel Switching Strategies
		4.1 ``Myopic'' Strategies of Control
		4.2 Broadening of the Notion of A-convexity
		4.3 Multi-step Dynamic Problems of Channel Switching
	5 Simulation Example
	6 Conclusion
	References
Modeling and Simulation of Reliability Function of a k-out-of-n:F System
	1 Introduction
	2 Problem Setting and Notation
	3 Analytical Results for Reliability Function for 3-out-of-6 System
	4 Simulation Results
	5 Conclusion
	References
Two Ways of Group Polling Method Application for Sensors Detecting in Unsynchronized Structured WSNs
	1 Introduction
	2 Setting of the Problem
	3 Profiles for Signals of Active Sensors
	4 Two Possible Ways of Group Polling Method Application for Sensors Detecting in Unsynchronized Structured WSNs
		4.1 Structured WSN with Medium-Sized Objects
		4.2 Structured WSN with Large Objects
	5 Conclusions
	References
Regeneration Analysis of Non-Markovian System with Simultaneous Service and Speed Scaling
	1 Introduction
	2 Description of a Model
	3 Regenerative Structure
		3.1 Regenerative Estimation in Discrete Time
		3.2 Application for Speed Scaling System
	4 Simulation
		4.1 Pareto Service
		4.2 Weibull Service
	5 Conclusion
	References
Integrated Tolerant Distributed Computing Network
	1 Performance Model of the DCN with Non-restorable Computing Modules
		1.1 Model of the Number of Virtual Computing Modules Depending on the Means of Ensuring Network Tolerance
		1.2 DCN Performance Estimation Model
		1.3 An Integrated Model of the DCN
	2 Performance Model of the Tolerant DCN with Restorable Computing Modules
		2.1 Statement of the Problem
		2.2 System of Differential Equations for Studying the Transition Process of TDCN Behavior
		2.3 System of Ordinary Equations for Studying the Behavior of TDCN for the Stationary Case
		2.4 Evaluation of the Effectiveness of the Approximate Model
	References
Asymptotic Analysis of RQ-System with Feedback and Batch Poisson Arrival Under the Condition of Increasing Average Waiting Time in Orbit
	1 Introduction
	2 The Model Description and the Problem Statement
	3 Kolmogorov Equations
	4 Asymptotics of the First Order
	5 Asymptotics of the Second Order
	6 Numerical Matrix Method
	7 Numerical Results
	8 Conclusion
	References
On Comparison of Multiserver Systems with Two-Component Mixture Distributions
	1 Introduction
	2 Two-Component Mixture Distributions
	3 Stochastic and Failure Rate Ordering of Two-Component Mixture Distributions
	4 Stochastic and Failure Rate Comparison of Some Two-Component Mixture Distributions
	5 Comparison of Multiserver Systems with Different Service Distributions
	6 Numerical Examples
	7 Conclusion
	References
On Splitting Scenarios for Effective Simulation of Reliability Models
	1 Introduction
	2 Crude Simulation of the Degradation Process
	3 Splitting Scenarios for the Degradation Process
		3.1 Fully Branching Regeneration Splitting - Scenario a)
		3.2 Standard Splitting Procedure - Scenario b)
	4 Simulation Results
	5 Conclusion
	References
Ergodicity and Polynomial Convergence Rate of Generalized Markov Modulated Poisson Processes
	1 Introduction
	2 Some Preliminary Considerations
		2.1 Some Information About the Coupling Method
		2.2 Successful Coupling (See ch29zv5).
		2.3 Basic Coupling Lemma (see, e.g., ch29zv13,ch29verbut,ch29zv1)
	3 Lorden's Inequality
		3.1 Generalized Lorden's Inequality
		3.2 Some Preliminary Considerations About Generalized Intensities
		3.3 Notations and Assumptions
	4 Considered Generalized Markov-Modulated Poisson Process
		4.1 Ergodicity of the Multi-dimensional Process Xt
		4.2 About Polynomial Convergence of the Process  Xt
	5 Application for One Reliability System
	6 Conclusion
	References
The Mathematical Model for Calculating Physical Entity of DPI Analyser
	1 Introduction
	2 Related Work
	3 DPI
	4 The Mathematical Model
		4.1 Formalization DPI Input Parameters
		4.2 Ventcel-Ovcharov Model and DPI Analyser
		4.3 Data Sets and Calculation
	5 Simulation
	6 Conclusion
	References
The Overflow Probability Asymptotics in a Multiclass Single-Server Retrial System
	1 Introduction
	2 An Associated Buffered Multiclass System
		2.1 Description of a Model
		2.2 Analysis of a Large Deviation Probability
	3 Numerical Examples
	4 Conclusion
	References
Wireless Channel Modeling and Simulation with K Distribution
	1 Introduction
	2 Model of Shadowed Fading Channel
	3 K Distribution and Modified Bessel Functions
	4 K-Fading Channel in Half Integer Case
	5 Bit Error Rate for K-Fading Channel in Half Integer Case
	6 Monte Carlo Simulation with K Distribution
	7 Conclusion
	References
Melanoma Detection Computer System Development with Deep Neural Networks
	1 Introduction
	2 Modern Results in Computer Recognition of Dermatoscopic Images
	3 Data Description and Their Pre-processing
	4 Building a Deep Neural Network Model and Computer Experiments
	5 Conclusion
	References
Distributed Systems Applications
Comparison of Different Smoothing Methods for Initial Data of the DSN-PC Sensor Network
	1 Introduction
	2 System and Model Description
		2.1 Geographical Properties
		2.2 Input Data Sources and Their Assimilation
		2.3 The Applied Numerical Weather Prediction Algorithm
		2.4 Smoothing the Initial Data
	3 Results
	4 Conclusion
	References
NFC Vulnerabilities Investigation
	1 Introduction
		1.1 RFID Technologies
		1.2 NFC Technology Vulnerabilities
	2 Methodology of Experiments
	3 Results
		3.1 NFC Signal Interception Investigation
		3.2 NFC Signal Jamming Investigation
	4 Conclusions
	References
Data Migration Rate of CRUSH-Based Distributed Object Storage with Dynamic Topology
	1 Introduction
	2 Program Simulation of Data Migration
	3 CRUSH-Based Storage with Dynamic Topology
		3.1 Topology in Open Storage Systems
		3.2 Migration Ratio at Different System Load
		3.3 General and Specific Storage Policies
		3.4 DHT Approach
	4 Conclusion
	References
Reduction of the Energy Consumption on Preliminary Signal Processing in Vibration Monitoring Networks
	1 Introduction
	2 Structure of a Scaling Amplifier
	3 Simulation
	4 Discussion and Recommendations
	5 Conclusion
	References
Stability and Sustainability of Cryptotokens in the Digital Economy
	1 Introduction
	2 Cryptocurrency Mining
		2.1 Quasi-legal Mining
	3 Cryptocurrency and Value
		3.1 Economic Role
		3.2 Legal Framework
		3.3 Theories of Value
	4 Mining Impact
	5 Solutions
	6 Conclusion
	References
Identification System Model for Energy-Efficient Long Range Mesh Network Based on Digital Object Architecture
	1 Introduction
	2 Identification Approaches in LoRa and Mesh Networks
	3 DOA Based Identification
		3.1 Digital Object Architecture
		3.2 DOA as Identification System
		3.3 DOA Based Identification for Mesh Networks
	4 Queuing Model of Identification System for Mesh Network
	5 Conclusion
	References
Efficient Wireless Data Collection System Based on LoRaWAN Technology and Distributed Computation Approach
	1 Introduction
	2 The Intensive Data Collection Method
		2.1 Client-Server Interconnection Logic
		2.2 Data Prediction Method
	3 System Architecture
	4 Intensive Temperature Measurement of the Building Heat Pipes
		4.1 Server Side
		4.2 End Device Side
		4.3 Equipment Layout
	5 Simulation
	6 Results and Further Research Area
	7 Conclusion
	References
Computing Load Distribution by Using Peer-to-Peer Network
	1 Introduction
	2 High-Performance Computing Overview
	3 Concept
		3.1 Mathematical Basis
		3.2 Generalization
		3.3 Equalization
		3.4 Transparency
	4 The Algorithmic Analysis
	5 The Network
	6 The Mechanism of Distribution
	7 System Estimation
	8 Conclusion
	References
Firewall Simulation Model with Filtering Rules Ranking
	1 Introduction
	2 Method for Ranking Firewall Filtering Rules
	3 Firewall Model with Filtering Rules Ranking
	4 Designing of an Imitational FW Model with Rules Ranking
	5 Evaluation of the Firewall Performance Indicators
	6 Conclusion
	References
Performance of Forward Error Correction in Transport Protocol at Intrasegment Level
	1 Introduction
	2 Transport Connection Model
	3 Probabilistic and Temporal Characteristics of the Transport Connection
	4 Areas of Appropriateness for Applying the Forward Error Correction
	5 Conclusion
	References
Author Index