Signal and Information Processing, Networking and Computers: Proceedings of the 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC)

✍ Scribed by Yue Wang (editor), Lexi Xu (editor), Yufeng Yan (editor), Jiaqi Zou (editor)

• Publisher: Springer
• Year: 2020
• Tongue: English
• Leaves: 1104
• Series: Lecture Notes in Electrical Engineering 677
• Edition: 1
• Category: Library

✦ Synopsis

This book collects selected papers from the 7th Conference on Signal and Information Processing, Networking and Computers held in Rizhao, China, on September, 2020.

The 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC) was held in Rizhao, China, on September, 2020.

✦ Table of Contents

Preface
Committee Members
International Steering Committee
General Chairs
Technical Program Committee Chair
Publication Chair
General Secretaries
Sponsors
Contents
Satellites and Remote Sensing
A Satellite-Ground Integration Test Scheme for Spacecraft Attitude and Orbit Control System Based on 1553B Bus Architecture
Abstract
1 Introduction
2 Characteristics of AOCS Based on 1553B Bus Architechture
3 The Scheme of Satellite-Ground Joint Integeration Test
3.1 Architecture of Test Scheme
3.2 Design of Test Scheme
4 Technical Features of the Test Scheme
4.1 Sensor Closed-Loop Method
4.2 Actuator Closed-Loop Method
4.3 RT-Component Simulator Closed-Loop Method
5 Application
6 Conclusion
References
Test System Design of Satellite Antenna Pointing Performance Based on Dynamic Orbit Model
Abstract
1 Introduction
2 Analysis of Device Under Test
2.1 Dynamic Orbit Model in Satellite Antenna Pointing Process
2.2 Test Ports of Satellite Antenna Pointing Performance
2.3 Timing Deviation Model
3 Design of Test System
3.1 Structure of Test System
3.2 Design of Information Flow
3.3 Design of Timing Recovery Module
4 Application of the Test System
5 Conclusion
References
High Accuracy Orbit Control for Ocean Dynamics Operational Environmental Satellite with Large Inclination
Abstract
1 Introduction
2 Mission Analysis
2.1 Introduction to Ocean Dynamics Operational Environmental Satellite
2.2 High Accuracy Orbit Control Demand and Performance Index
2.3 Orbit Characteristics and Energy Constraints
2.4 Control Constraints
3 Technological Plan
3.1 Low Thrust Orbit Control Under Wheel Control Mode
3.2 No Marking Transient Attitude Control Method
3.3 Power Control Method with High Reliability
4 Simulation
5 Conclusion
References
Monitoring Frequency Stability of GNSS Satellite Clock Utilizing Modified Technique Based on the In-Orbit Data of Phase Comparison
Abstract
1 Introduction
2 Principle of the Phase Comparison
3 Monitoring Technique of the Frequency Stability
4 Testing Verification
5 Conclusion
References
Design and Implementation of a Multi-channel System Level Test Scheme for High Orbit High Power SAR Satellite
Abstract
1 Introduction
2 Working Principle of High Orbit SAR Load
3 Design of Load Test Scheme for High Orbit High Power SAR
4 High Orbit SAR Load Test Content
5 High-Orbit SAR Load Test Method
5.1 Three Circuit Calibration Test
5.2 SAR Load High Power Test
5.3 SAR Performance Index Test
5.4 Image Index Check
6 Test and Application of High Orbit High Power SAR Loading Satellite
7 Conclusion
References
Rapid Response Mode for Data Relay Satellite System with Single Access and Multiple Access Links Co-processing
Abstract
1 Introduction
2 DRSS Scheduling Process
2.1 Mission Process
2.2 Demand Access System
3 Multiple Access and Single Access Co-processing
4 Rapid Access Service Application
5 Conclusion
References
Satellite Formation Strategy Based on Bat Flight
Abstract
1 Introduction
2 Formation Control Theory
3 Mathematical Modeling of Bat Flight
4 Bionic Formation Management Strategy
5 Simulation Verification and Analysis
5.1 Track Parameters
5.2 Satellite Parameters
6 Conclusion
References
A Low-Complexity Autonomy Scheme for Data Transmission Subsystem of Agile Satellites
Abstract
1 Introduction
2 Functional Requirement Analysis
3 Scheme Design of DTS Autonomy
3.1 Definition of Meta-task
3.2 Traversal Execution Strategy with “Command Pool”
3.3 Highly-Precise Time Management of DTS
4 Verification and Test
4.1 Design of Data Block and Command Pool
4.2 Transition Time of Consecutively Executed Meta-tasks
4.3 Execution Accuracy of Time-Stamped Commands
5 Conclusion
References
Energy Balance Analysis Simulated System for Remote Sensing Agile Satellite Based on MATLAB Function
Abstract
1 Introduction
2 Overall Composition of Energy Balance Analysis
3 Model of Simulation System Based on MATLAB Function Programming
3.1 Lighting and Power Generation Module
3.2 Power Loss Stat
3.3 Power Balance Analysis Module
4 Simulation and Analysis
5 Conclusion
References
Research on Oil Species Identification and Overall Design of Satellites
Abstract
1 Introduction
2 Analysis of Satellite Detection Methods
2.1 Spectrum Remote Sensing Detection and Analysis
2.2 Laser Fluorescence Remote Sensing Analysis
2.3 Microwave Remote Sensing Analysis
2.4 Other Detection Methods Analysis
3 Overall Design of Satellites for Oil Species Identification
4 Conclusion
References
Research on Batch Test Process of Micro-satellites
Abstract
1 Foreword
2 Traditional Satellite Test Process
3 Batch Test Process of Micro-satellites
3.1 Batch Test Process
3.2 Division of Batch Test Stage
3.3 Test Rules for Different Stages of Batch Test
3.4 Workflow Solidification of Batch Test
4 Implementation Mode of Micro-satellite Batch Test
4.1 Automatic Test
4.2 Parallel Test
4.3 Test Process Informatization
4.4 Continuous Line Test
4.5 Test Data Analysis Technology
5 Conclusions
References
Sharing C-band Frequency Between Satellite and Terrestrial 5G Communication Systems
Abstract
1 Interference Between Satellite System and Terrestrial 5G Service
1.1 Frequency Resource Analysis
1.2 Satellite-Terrestrial 5G Integration
2 Frequency Sharing Technology for Satellite 5G
2.1 Frequency Reverse Use
2.2 Frequency Dual Reuse
2.3 User Accessing and Link Analysis
3 Conclusion
References
Lunar Observation Research on Low-Orbit Remote Sensing Satellites
Abstract
1 Introduction
2 Key Technology of Lunar Observation
2.1 Position Relation of Sun, Moon and Satellite
2.2 The Timing of Lunar Observation
2.3 Satellite Attitude for Lunar Observation
2.4 Imaging Parameters Selection of Payload
3 Experiment on Lunar Observation
3.1 Experimental condition
3.2 Experimental Analysis
3.3 The Lunar Observation Images
4 Conclusion
Acknowledgment
References
SoC Design and Implementation of CAN 2.0 Protocol Toward Satellite Applications
Abstract
1 Introduction
2 The Protocol of CAN Bus
3 Hardware of the CAN Controller
3.1 Detailed Design of Each Module
3.2 The Processing Flow of CAN Bus
4 The Architecture of the SoC
5 Simulation and Verification
6 Conclusion
References
Remote Sensing Satellite Rapid Response Technology Based on Orbit Maneuver
Abstract
1 Introduction
2 Satellite Observation Problem Description
3 Orbit Maneuver Method for Rapid Response
4 Example Demonstration
5 Conclusions
References
Research on Special Automatic Test Technology of Antenna Subsystem SAR Antenna Secondary Power Supply Based on High Resolution SAR/GMTI Satellite System
Abstract
1 Overview
2 Composition of Automated Testing Systems
2.1 Hardware Configuration of Automated Test Systems
2.2 Design and Implementation of Automated Test System Software System
2.2.1 Design of Test System Software System
3 Characteristics of Automated Test Systems
4 Concluding Remarks
References
Angular Momentum Management Design and on Orbit Verification of GEO Navigation Satellite
Abstract
1 Introduction
2 Angular Momentum Management Design
2.1 Flywheel Working Design
2.2 Unloading Design of Angular Momentum
3 Realization of Angular Momentum Management
4 On Orbit Verification
5 Conclusion
References
Capability Analysis of BeiDou Navigation Satellite System GSMC Service for LEO Earth Observation Satellites
Abstract
1 Introduction
2 Overview of BDS and GSMC
3 TT&C Application Based on BDS GSMC Service
3.1 System Architecture
3.2 Service Flow
4 Service Capability Analysis
4.1 Simulation Scenario
4.2 Simulation Results and Analysis
5 Conclusions
References
Predicting Satellite Power System Parameter Interval Based on Optimized Kernel Extreme Learning Machine and Proportional Coefficient Method with Differential Evolution
Abstract
1 Introduction
2 Related Work
2.1 Kernel Extreme Learning Machine
2.2 Differential Evolution Algorithm
2.3 Estimated Indexes
2.4 Proportional Coefficient Method
3 DE-PCM-OKELM Model in Predicting Satellite Power System Parameter Interval
4 Experiment
4.1 Data Preprocessing
4.2 Setting of Experimental Parameters
4.2.1 Embedding Dimension
4.2.2 Parameters of KELM Algorithm
4.3 Interval Prediction
5 Conclusion
References
An Autonomous Mission Management Method for Agile Imaging Satellite Based on Dynamic Adjustment of Action Sequences
Abstract
1 Introduction
2 Requirements Analysis of Agile Imaging Satellite Operation
3 The Method of Satellite Autonomous Mission Management Based on Dynamic Adjustment of Action Sequence
3.1 Model Design
3.2 Inter-task Instruction Optimization Algorithm
4 On-orbit Effects
5 Conclusion
References
Research on Agile Satellite Imaging Simulation Technology Based on STKX
Abstract
1 Introduction
2 The Basic Principle of Development Based on STKX
3 Agile Satellite Imaging Simulation Technology
3.1 Creation of Satellite Objects
3.2 Creation of Camera Objects
3.3 Creation of Observation Targets
4 Dynamic Geospatial Visualization Display Technology
4.1 Technical Approach
4.2 Data Sharing Between Cesium and STK
5 Simulation Effect of Agile Satellite Imaging
6 Conclusion
References
Analysis of the Magnetic Field Data During the Vacuum Thermal Test of the Satellite
Abstract
1 Introduction
2 The Design of the Magnetometer
2.1 The System Design
2.2 The Circuit Design
2.3 Interface Circuit Design
3 Test and Analysis
4 Conclusion
References
Design and Development of a Simulation System for GNSS Radio Occultation Satellite Constellation Design
Abstract
1 Introduction
2 Description of GNSS RO Satellite Constellation
2.1 Space-Borne GNSS RO Sounding
2.2 Design Flow of GNSS RO Sounding Satellite Constellation
3 Simulation System Design
3.1 Functional Framework
3.2 Hardware Design
3.3 Software Design
4 Experiment
5 Conclusion
References
Application of Electromagnetic Signal Shielding Processing Technology in Microwave Remote Sensing Satellite
Abstract
1 Introduction
2 Analysis of Satellite Electromagnetic Compatibility
3 Treatment Scheme Proposal
3.1 Simulation Analysis of Exit Cable
3.2 First EMC Verification of Main Loads
3.3 Treatment Plan for Relevant Loads
4 Implementation Scheme
4.1 Exit and in-Cabin Cables of Related Equipment
4.2 Cable Holes, Openings for Equipment and Gaps Between Bulkheads
4.3 Electrical Connector of Equipment
4.4 Grounding Implementation
4.5 Status Check
5 Treatment Effect
6 Conclusion
References
Research on Software Reuse for Satellite Control Software Based on Product-Line Technology
Abstract
1 Introduction
2 Domain Analysis and Modeling
3 Software Architecture Design
3.1 Interface Layer Structure
3.2 Part Layer Structure
3.3 Application Layer Structure
4 Domain Component Design
4.1 Interface Design
4.2 Data Design
5 Variability Management
6 Project Practical Analysis
7 Conclusion
References
Motion Compensation for Data Transmission Dantenna Angle During Satellite Attitude Maneuvering
Abstract
1 Introduction
2 Calculation Method of Theoretical Angle
2.1 Calculation Method of Conventional Antenna Target Angle
2.2 Antenna Target Angle Motion Compensation Method
3 Simulation Results
4 Conclusion
References
Generalized Nonparallel Proximal Support Vector Machine with Applications on Ship Detection Using Satellite Images
Abstract
1 Introduction
2 Related Works
2.1 Gepsvm
2.2 GLpNPSVM
3 Generalized Nonparallel Support Vector Machine
3.1 Problem Formulation
3.2 Solving Algorithm of GNPSVM
4 Experiments
5 Conclusion
References
Research on the Effect of Amplitude-Frequency Fluctuation for Satellite Data Transmission Link
Abstract
1 Introduction
2 Channel Amplitude-Frequency Fluctuation Model
3 Data Transmission Link Model
4 Simulation Analysis
5 Conclusion
References
A Test Method for Satellite Autonomous Flight Based on Mixed Propulsion
Abstract
1 Foreword
2 Satellite Autonomous Flight Strategy
2.1 Autonomous Determination of Orbit
2.2 Attitude Autonomous Closed Loop Control
2.3 Energy Autonomous Management
2.4 Thermal Autonomous Management
3 Autonomous Flight Test Programmers
3.1 General Programmers
3.2 Test Method
3.2.1 Orbit Projected
3.2.2 Attitude Closed-Loop Control Test
3.2.3 Thermal Closed Loop Test
3.2.4 Telemetry and Tele-Command Closed Loop Test
3.2.5 Energy Closed Loop Test
3.2.6 Actuator Closed Loop Test
4 Application Scenario
4.1 Test Validation Scenario
4.2 Flight Control Scenario
5 The End
References
Influence Analysis of Carrier Phase Noise on Modulation and Demodulation Performance in Satellite Communication Downlink
Abstract
1 Foreword
2 Definition of Carrier Phase Noise
3 Analysis of the Influence of Carrier Phase Noise on the Performance of Modulation and Demodulation
3.1 Phase Jitter Caused by Carrier Phase Noise
3.2 The Influence of Carrier Phase Noise on the Performance of Transmitter from the Receiver
4 Conclusion
References
Channel Coding Simulation Method of Satellite Communication Data Link Based on Data Analysis
Abstract
1 Introduction
2 Satellite Data Link Characteristics and LDPC Code Scheme
2.1 Satellite Data Link Features
2.2 LDPC Code Scheme
3 Model Simulation Design
4 Performance and Simulation Results Analysis
4.1 Performance Analysis
4.2 Discussion of Simulation Results
5 Conclusion
References
Research on Navigation Satellite Predistortion Parameter Reconstruction Technology
Abstract
1 Introduction
2 The Broadcast and Influence of Satellite Navigation Signal
2.1 Design of the Signal Broadcast
2.2 Verification of Navigation Signal Quality Test
3 In-Orbit Predistortion Parameters Reconstruction Design
3.1 Reconfiguration Bus Selection and Architecture Design
3.2 Choice of Reconstruction Data Injection Method
3.3 Hardware Design of Data Reconstruction
4 Design for Enabling the Predistortion Parameters
5 Conclusion
References
Research and Improvement of Remote Sensing Image Restoration Algorithm Based on Wiener Filter
Abstract
1 Introduction
2 Remote Sensing Image Restoration Model
3 Improved Wiener Filter Algorithm
3.1 Wiener Filter Method
3.2 Degradation Estimating
3.3 Estimation of Power Spectrum Ratio
4 Experimental Verification and Analysis
4.1 Simulations
4.2 Experimental Restoration Tests
4.3 Analysis of Experimental Results
5 Conclusions
References
Design Method of Core Index of Remote Sensing Satellite for Power Transmission and Transformation Equipment Patrol System
Abstract
1 Introduction
2 Inspection Plan of Remote Sensing Satellite
2.1 Current Situation of Power Grid Business
2.2 Requirement Analysis of Patrol Inspection Business
2.3 Assumption of Inspection Mode
3 The Core Indicators of the Satellite
3.1 Orbit Design
3.2 Imaging Pattern Design
3.3 Payload Design
4 The Simulation Verification
4.1 Orbit Simulation
4.2 Effectiveness Simulation
4.3 Illumination Condition Simulation
5 Conclusion
References
Study on Space-Borne Remote Sensing Imaging System by MagicGrid Methodology
Abstract
1 Introduction
2 Modeling Method
2.1 Space-Borne Camera Radiance Transfer Model
2.2 Requirement Model and System Architecture Model
2.3 Calculation and Analysis Model
2.4 Generalization Relationship
3 Comparative Analysis of Multiple Schemes
4 Conclusion
Acknowledgement
References
Research of Intertidal Remote Sensing Image Fusion Method Based on Logical Block
Abstract
1 Introduction
2 Improved Method for Remote Sensing Image Fusion
2.1 Improved NMF Method Based on IHS
2.2 Improved NMF Method Based on IHS
3 Experiment and Evaluation
3.1 Experiment of Fusion Method
3.2 Fusion Experiment of Large Scale Data Remote Sensing Images of Intertidal Zone
4 Conclusions
References
One Method and Application for Remote Real-Time Processing & Analyzing of Payload Data
Abstract
1 Introduction
2 System Program
2.1 Overall Structure
2.2 Design of Remote Test Service Platform
2.3 Image Partition Compression Technology
2.4 Remote Terminal Design
2.5 Design of Data Frame Format for Transmission
2.6 System Operation
3 Application and Characteristics of the System
4 Conclusion
References
Spacecraft Technology
Research on Quantitative Evaluation of Spacecraft Model Control Subsystem Product Assurance Work
Abstract
1 Introduction
2 Establishment of Quantitative Evaluation Model for Product Assurance
3 Quantitative Analysis Results of Product Assurance Work
3.1 Control Subsystem Product Guarantee Quantitative Evaluation Weight
3.2 Quantitative Evaluation Results of Product Assurance of a Control Subsystem
3.3 Quantitative Evaluation Results of Product Assurance of a Control Subsystem
4 Conclusion
References
Electrical Power Sizing and Performance Simulation Tools for Spacecraft
Abstract
1 Introduction
2 Spacecraft Orbit and Solar Array Light Conditions Analysis
2.1 Orbit Analysis
2.2 Solar Arrays Light Conditions Analysis
3 Spacecraft Power System Design and Analysis
3.1 Design of Solar Array
3.2 Design of Battery
4 Energy Balance Analysis and On-Orbit Simulation
5 Conclusion
References
The Research on the Application of Design Pattern of Object-Oriented Software Development Technology in Aerospace Embedded Software Development
Abstract
1 Design Pattern and Aerospace Embedded Software Development
1.1 Intermediary Pattern Realizes Software Body Architecture of Minimum Coupling Interaction Among Various Functions
1.2 Policy Patterns Implement Different Strategies for Functionality
1.3 The Bridge Pattern Realizes the Decoupling Change of the Algorithm
2 Conclusions
References
Experimental Research on Direction Modulation of Plasma Flow Generated in Helicon Plasma Thruster
Abstract
1 Introduction
2 Simulation
2.1 Single Coil Simulation
2.2 Three Coaxial Coils Simulation
3 Experiments
4 Conclusion
References
Design of Fast Response High-Voltage Power Supply for the Electrostatic Deflection System in a Low-Energy Particle Spectrometer
Abstract
1 Introduction
2 Design
2.1 Principle Analysis
2.2 Circuit Design
3 Experiments and Discussion
3.1 Relationship Between Input and Output Test
3.2 Response Speed Test
3.3 Temperature Stability Test
4 Conclusion
References
Design and Implementation of Spacecraft Telecommand Quickly Generation System Based on LUA Script
Abstract
1 Introduction
2 Lua Characteristics and Application Analysis
3 Telecommand Quickly Generation System Design
3.1 Information Flow Architecture Design
3.2 Principle of Lua Interpreter
3.3 Design of Telecommand Based on Lua Function Script
4 System Implementation and Application
5 Conclusion
References
The Research of Aerospace Software Product Line Engineering
Abstract
1 Introduction
2 Overview
3 Characteristics of Aerospace Software
4 Aerospace Software Development Based on SPL
4.1 Domain Engineering
4.2 Application Engineering
5 Aerospace Software Management Based on SPL
6 Conclusion
References
An Improved In-Orbit Standardized Support Management Mode for Multiple Spacecraft
Abstract
1 Introduction
2 Conception of In-Orbit Standardized Support Management
2.1 Get Involved Early In-Orbit Management
2.2 Elaborate Flight Control and In-Orbit Testing
2.3 Strengthen the In-Orbit Management of Long-Term Operation
2.4 Disposal of End-Life Spacecraft
2.5 Increase Communication with Measurement and Control Units and Users
3 In-Orbit Standardized Support Management General Design
3.1 Full-Cycle Refined Management of Spacecraft in-Orbit
3.2 Data-Driven Intelligent Management of Spacecraft In Orbit
3.3 Spacecraft In-Orbit Diversification Services
3.4 Intensive Team Configuration Guarantee
4 Analysis and Testing of Designed In-Orbit Standardized Support Management
4.1 Results Achieved
4.2 Power Enhanced
4.3 Keep Improving
5 Conclusions
References
Development of Heterogeneous Computing and Virtualization in Spaceborne IMA During 2010–2020
Abstract
1 Introduction
2 Brief Introduction of IMA Before 2010
3 Heterogeneous Computing Development in the Past Decade
3.1 Background and Development of Heterogeneous Computing
3.2 Key Technologies
3.3 Application and Development Prospect
4 Virtualization Development in the Past Decade
4.1 Background and Development of Virtualization
4.2 Key Technologies and Development Prospect
5 Conclusions
References
Observer-Based Finite-Time Stabilization Control of Spacecraft with Reaction Flywheel Effectiveness
Abstract
1 Introduction
2 Attitude Dynamics Model
3 Disturbance Observer Design
4 Finite-Time Stabilization Controller Design
5 Numerical Analysis
6 Conclusions
References
A Ground Support System Design for the Lunar Rover
Abstract
1 System Function and Overall Design
2 Design and Implementation
2.1 The Interface and Information Management Module (IIMM)
2.2 Digital Environment Construction Module (DECM)
2.3 Task Decision and Strategy Planning Module (TD&SPM)
2.4 Digital Simulation of Strategic Planning (DECM)
2.5 Physical Simulation Module (PSM)
2.6 Visual Presentation Module (VDM)
3 In-Orbit Applications
4 The Conclusion
References
A Method to Suppress Radiated Noise of ARINC659
Abstract
1 Introduction
2 Analysis of Radiated Noise
2.1 Equipment Introduction
2.2 Problem Analysis
3 Methods of Suppressing Radiated Noise
3.1 Principle Design Suppressing Method
3.2 PCB Design Suppressing Method
3.3 Structural Design Suppressing Method
4 Analysis of Test Results
4.1 Module-Level Near-Field Scan Results
4.2 Equipment-Level RE102 Test Results
5 Conclusions
References
Design and Implementation of Simulation Verification System for Spacecraft Autonomous Mission Planning
Abstract
1 Introduction
2 System Design
2.1 Process
2.2 Architecture
3 Key Technologies
3.1 Simulation Verification Strategy
3.2 Scalable Architecture
3.3 Database Technology
3.4 Verification of Spacecraft-Ground Synchronization
4 Application Effect
5 Conclusion
References
A Micro-vibration Measurement Method of High-Resolution Space Camera Based on Target Image
Abstract
1 Introduction
2 Image Shift Analysis Induced by Micro-vibration on Satellite
3 Satellite Micro-vibration Analysis Method
3.1 Traditional Methods and Comparison
3.2 Image Shift Measurement Method
3.3 Specific Implementation Methods
4 Application and Analysis
5 Conclusion
References
Design and Implementation of Health Management for Modular Spacecraft Avionics System
Abstract
1 Introduction
2 The Topology of Avionics System
3 Health Management Service
3.1 Design Principles
3.2 Design of Layered Nodes
3.3 Tree Topology
3.4 Service Types of Health Management
3.5 Timing Constraints
4 Implementation and Verification
5 Conclusion
References
Research on Brightness Temperature Reconstruction Methods in the Imaging Experiment of ASMR
Abstract
1 Introduction
2 Brightness Temperature Reconstruction Methods
3 The Imaging Experiment
4 Results of the Imaging Experiment
5 Summary
References
Design of Air-Breathing Electrical Propulsion Based on Cargo-Spacecraft for Replenishment
Abstract
1 Introduction
2 Research Status at Home and Abroad
3 Task Flow of Air-Breathing Cargo-Spacecraft
4 Comparison of Resource Consumption
4.1 Consumption of Chemical Propulsion
4.2 Consumption of Chemical Propulsion
5 Main Structure of Air-Breathing Electrical Propulsion
6 Orbit Design and Thrust Analysis
7 Conclusion
References
Imaging Monitoring and Measurement of Moving Target in Orbit Based on CMOS Image Sensor
Abstract
1 Introduction
2 Imaging Principle
3 Demand Analysis
4 Camera Parameter Design
5 In-Orbit Results
6 Conclusion
References
Test Design and Verification of a Model-Based Spacecraft Thermal Control System
Abstract
1 Introduction
2 Model Based Test Verification
3 Model Design
3.1 Modeling Process
3.2 Strategies Classification
3.3 Model Definition
4 Model Implementation
5 Conclusion
References
Integrated Monitoring System of Plasma Environment and Surface Charging
Abstract
1 Introduction
2 Integrated Monitoring System
2.1 Omnidirectional Electron/Ion Spectrometer
2.2 Magnetometer
2.3 Surface Potential Probe
3 Ground Testing Results
4 Discussion and Conclusion
References
Research on the Application of Augmented Reality Technology in Spacecraft Assembly
Abstract
1 Introduction
2 The Application and Demand Analysis of Digital Technology in Spacecraft Assembly
2.1 Application Analysis of Digital Technology in Spacecraft Assembly
2.2 Analysis of Application Requirements of Augmented Reality Technology
3 The Key Technology of Augmented Reality Technology in Spacecraft Assembly
4 Application Examples of Augmented Reality Technology in Spacecraft Assembly
4.1 Guidance of Virtual and Real Fusion Process of Spacecraft Cable Assembly
4.2 AR-Based Fairing Assembly Simulation
5 Conclusion
References
Study on the Equivalence of Design Method for Sine Test Condition of Spacecraft
Abstract
1 Introduction
2 Theoretical Analysis of Design Method of Sine Vibration Test Specification of a Spacecraft
2.1 Transient Environments
2.2 Shock Response Spectrum
2.3 The Characteristics of SRS
3 FEM Simulation and Analysis
3.1 Cases of Excitation
3.2 The Result of Simulation and Comparison for the Plate
3.3 The Result of Simulation and Comparison for a Satellite
4 Conclusions
Acknowledgments
References
Channel Coding Information Hiding Technology Based on Spacecraft Application
Abstract
1 Introduction
2 Channel Coding Information Hiding Technology Based on Chaotic Sequences
2.1 Generation of Chaotic Sequences
2.2 Realization of Information Hiding Technology
3 Experimental Background and Parameter Setting
4 Discussion
4.1 Comparative Analysis of Bit Error Rate
4.2 Comparative Analysis of Similarity
4.3 Principle of Channel Coding Information Hiding
4.4 Significance of Information Hiding by Channel Coding
5 Conclusion
References
Channel Coding Recognition Method Based on Spacecraft Application
Abstract
1 Introduction
2 Design of Channel Coding Model
2.1 Recognition Model
2.2 Interleaved Coding
3 Experimental Background and Design
3.1 Experimental Background
3.2 Experimental Design
4 Discussion
4.1 Simulation Verification of Channel Coding Recognition Based on Spacecraft Application
4.2 Further Research Direction of Channel Coding Recognition Based on Spacecraft Application
5 Conclusion
References
Comparison and Improvement of the Structure of the Space Plasma Detectors
Abstract
1 Introduction
2 Comparative Analysis of Design Requirements and Constraints
2.1 Physical Constraint
2.2 Electrical Performance Design Constraints
2.3 Mechanical Interface Design Constraints
2.4 Mechanical Performance Design Constraints
3 The Design and Improvement of the Product
4 Simulation and Analysis
4.1 Setting up the Model
4.2 Simulation Assumption
4.3 Analysis and Simulation
4.4 Conclusion
5 Vibration Test
6 Conclusion
References
Analysis of the Influence of IQ Imbalance Demodulation on DEM Measurement of Satellite Millimeter-Wave InSAR
Abstract
1 Introduction
2 The Echo Model
3 Imaging Processing
4 The Influence of IQ Imbalance on InSAR
5 Simulated Analysis
6 Conclusion
References
Finite Time Fault-Tolerant Control of Spacecraft Rendezvous and Docking Based on Linear Sliding Mode
Abstract
1 Introduction
2 Dynamics Model and Malfunction Formulation
2.1 Relative Pose Dynamic Model
2.2 Relative Orbital Dynamic Model
2.3 Actuator Failure Formulation
3 Controller Design
3.1 Attitude Controller Design
3.2 Orbital Controller Design
4 Simulation
5 Conclusion
References
Algorithms Optimization and Implementation
Optimal Parameter Estimation for High Dynamic Acquisition of Non-coherent DSSS
Abstract
1 Introduction
2 Acquisition Algorithm Principle
3 Optimal Parameter Estimation
3.1 Correlation Loss Analysis
3.2 Optimal Parameter Estimation
4 Simulation
4.1 The Relationship Between α and Detection Probability
4.2 Detection Probability Under Different Modulation Data Rates
4.3 Acquisition Performance in Coherent DSSS System
5 Conclusion
References
Restraining EMI of Displacement Sensors Based on Wavelet Fuzzy Threshold Denoising
Abstract
1 Introduction
2 Theory of Wavelet Fuzzy Threshold Denoising
3 EMI Denoising of Displacement Sensor Using Fuzzy Threshold de-noising Method
3.1 The Sensor Signal
3.2 Choose the Wavelet Function
3.3 Signal Denosing Using Fuzzy Threshold
4 EMI Signal Identification Based on Wavelet Analysis
5 Conclusion
References
Research and Design of Automatic Test Language for Control System Software
Abstract
1 Introduction
2 Requirements Analysis
3 Modeling Specification
3.1 General Test Behavior Logic Model
3.2 Dedicated Test Behavior Logic Model
4 Experimental Results
4.1 Portability and Versatility
4.2 Monitoring Capabilities
4.3 Test Costs
5 Conclusion
References
An Improved Teaching-Learning-Based Optimization Algorithm for Parameter Optimization Problems
Abstract
1 Introduction
2 TLBO
2.1 Teacher Phase
2.2 Learner Phase
3 ITLBO
3.1 Adaptive Teaching Step Size
3.2 Self-taught Phase
3.3 Procedure of ITLBO
3.4 Time Complexity Analysis
4 Experimental Results and Discussions
5 Conclusions
References
The Design of Lunar Rover Working Procedure Based on Modulization
Abstract
1 Introduction
2 Mission Analysis
2.1 Mission Overview
2.2 Analysis of Mission Characteristics
2.3 Mission Decomposition
3 Design of the Working Procedure on the Lunar Surface
3.1 Working Mode Design
3.2 Lunar Working Procedure Design
4 Conclusion
References
Cubature Kalman Filter Based Multi-sensor Data Fusion Algorithm for Maneuvering Target Tracking
Abstract
1 Introduction
2 Dynamic Models
2.1 State Equation
2.2 Measurement Equation
3 Cubature Kalman Filter
4 Simulation Analyses
5 Conclusions
Acknowledgement
References
Research on the Contribution Evaluation Method of Spatial Infrastructure Information Application System
Abstract
1 Introduction
2 Connotation of System Contribution Degree
3 Research on Evaluation Method of System Contribution Degree for Multi Task System
3.1 Assessment Process and Steps
3.2 Construction of Efficiency Evaluation Index System
3.3 Design of System Contribution Evaluation Model
4 The Sample
5 Conclusion
References
Improvement Study of DPA Method Based on Failure Cases of Three-Dimensional Embedded Devices
Abstract
1 Introduction
2 Structural Characteristics
3 Analysis of Failure Cases
3.1 Inherent Quality Problems of the Device
3.2 Problems in User Operation
4 Analysis of Failure Reason
4.1 Problem of Plating Layer Bonding Strength
4.2 Popcorn Effect
4.3 Kirkendall Effect
5 DPA Process Improvement
6 Conclusion
References
Blind DBF Based on Complex-Valued Independent Component Analysis Algorithm
Abstract
1 Introduction
1.1 A Subsection Sample
2 Signal Model
3 Complex-Valued ICA Algorithm
4 Array Manifold Estimation
5 Simulation
6 Conclusion
References
Research on Method of Image Quality Evaluation Based on Structural Similarity
Abstract
1 Introduction
2 Traditional SSIM
2.1 Research Perspective
2.2 SSIM
2.3 Single-Scale and Multi-scale SSIM
3 SSIM Algorithm Simulation
3.1 Experimental Simulation
3.2 Results Analysis
4 Improved SSIM Algorithm Based on HVS Features
4.1 SSIM Improvement Ideas
4.2 Results and Analysis
5 Conclusion
References
Improved Progressive TIN Densification Filtering Algorithm Based on the Seed Point Re-Filtering
Abstract
1 Introduction
2 The Seed Point Re-Filtering Algorithm
2.1 Ground Points Features
2.2 The Classic Progressive TIN Densification Filtering Algorithm
2.3 Re-Filtering of Seed Points Algorithm
2.4 Improved PTDF Algorithm
3 Result and Discussion
3.1 Experimental Data
3.2 Quantitative Assessment Method
3.3 Quantitative Analysis
3.3.1 The Results Derived by the Two Algorithms for Sample 51
3.3.2 The Results Derived by the Two Algorithms for Sample 52
3.3.3 The Error Ratio for Type I, Type II and Total Error
4 Conclusion
Acknowledgement
References
Research on Optimization Design Method of Reliability Validation Test in the Case of Zero-Failure Data
Abstract
1 Introduction
2 Mathematical Model Based on Weibull Distribution Under the Condition of Zero-Failure Data
3 Design Concept of the Reliability Test
4 Example for Optimization Design of the Reliability Test
5 Reliability Validation Test
6 Conclusions
References
The Minimum Scale of 4-Port Switch Redundancy Network
Abstract
1 Introduction
2 Mathematical Modeling
3 Construction of the Graph
3.1 Step I: To Establish a Harary Graph G_{0}
3.2 Step II: Constructing G_{0} ' by Inserting Vertices in G_{0}
3.3 Step III: Constructing G by Connecting G_{0} ' and J_{R}
4 Minimum Scale of the Redundancy Network
5 Conclusions
References
Design of High-Efficiency Heterogeneous Processing System for on-Board Mass Telemetry Data Analysis
Abstract
1 Introduction
2 Onboard Data Management
3 Mass Telemetry Data Retrieval
3.1 System Architecture
3.2 Determine Retrieval Interval
3.3 Packet Retrieval
4 Design and Verification Results
5 Conclusions
References
Digital Pre-distortion Technology Based on the Nonlinear Distortion of AltBOC Signal
Abstract
1 Introduction
2 Impact Analysis of AltBOC Signal Caused by HPA
2.1 AltBOC Signal System
2.2 Signal Quality Evaluation Index
2.3 HPA Model Building
3 Digital Pre-Distortion Algorithm
3.1 Memoryless HPA Pre-Distortion
3.2 Memoryless HPA Pre-Distortion
4 Simulation of Pre-distortion Effect on Signal Quality Improvement
4.1 Improvement of Signal Quality with Memoryless HPA Pre-distortion
4.2 Improvement of Signal Quality with Memory HPA Pre-distortion
5 Conclusion
References
Performance Optimization Technology of Space-Borne SAR Signal Processor Based on FPGA
Abstract
1 Introduction
2 Application of FPGA in SAR Signal Processor
2.1 Architecture of SAR Signal Processor
2.2 Performance Optimization of SAR Signal Processor
3 SAR Processor Based on FPGA Adaptive Truncation
3.1 Software Architecture of SAR Radar Processor
3.2 SAR Radar Processor FPGA Adaptive Truncation Technology
4 Hardware Realization
5 Conclusion
References
Design of Sample-Hold Circuit with SFDR Over 90 dB for High Speed ADC
Abstract
1 Introduction
2 Design of Amplifier and SH Circuit
2.1 Main Amplifier Design
2.2 Booster Amplifier Design
2.3 OTA Design Optimization
2.4 Errors Analysis
2.5 Prototype of Sample-Hold Circuit
3 Results
3.1 Simulation Results of OTA
3.2 Specifications of SH Circuit
4 Conclusions
References
Design of Artificial Intelligence Converged Media Experimental System
Abstract
1 Introduction
2 Related Works
3 Proposed Research and Experimental System
3.1 System Architecture
3.2 Key Technologies
3.3 Experimental Results and Analysis
4 Conclusion
Acknowledgement
References
A Multi-level Attention Fusion Network for Weakly Supervised Audio Classification
Abstract
1 Introduction
2 Proposed Model
2.1 Multi-attention Fusion Module
2.2 Multi-level Fusion Based on Deep Supervision
3 Experiments and Analysis
3.1 Dataset
3.2 Detail
3.3 Analysis
4 Conclusion
Acknowledgment
References
Overview of Rate Control Algorithms in Mainstream Video Coding Standards
Abstract
1 Rate Control in HEVC and VVC
1.1 Summary
1.2 Bit Allocation
1.2.1 GOP Level Bit Allocation
1.2.2 Frame Level Bit Allocation
1.2.3 LCU Level Bit Allocation
1.3 Bit Control
2 Rate Control in AVS2
2.1 Summary
2.2 Bit Allocation
2.2.1 Basic Principle
2.2.2 Allocation Strategy
3 Summary and Comparison
References
Balancing Prediction of Space-Based Network System in Antagonistic Environment
Abstract
1 Introduction
2 Problem Abstraction and Modeling
3 The Main Conclusion of the Model
4 Numerical Simulation
5 Conclusion
Acknowledgement
References
Communication System
Development of Cislunar Space Integrated Communication Architecture
Abstract
1 Introduction
2 Cislunar Integrated Communication Architecture
2.1 Mission Requirements
2.2 Elements and Physical Links
3 Cislunar Space Communication System
3.1 Lunar Relay Trunk Links
3.2 Lunar Relay Forward/Backward Links
4 Lunar Surface Communication System
4.1 Physical Links
4.2 Lunar Wireless Networks
5 Conclusions
References
A Novel Plume Radiation Model for Analyzing Thruster Plume Impact on IRES Based on Numerical Simulation
Abstract
1 Introduction
2 Distribution Characteristics of Thruster Plume
3 Modeling of Thermal Radiation Characteristics of Non-Uniform Gas
4 Simulation of the Influence of Thruster Plume on IRES
5 Summary and Future Work
References
Not All Branches Are Equal: An Improved QSYM Schema for Binary Vulnerability Mining
Abstract
1 Introduction
2 Background
3 System Design
3.1 Incremental Information Fusion Method
3.2 Input Recommendation Algorithm
3.3 Conclic Execution Method
4 Implementation and Evaluation
4.1 Implementation
4.2 Evaluation
5 Summary
References
Not All Comparisons Are Equal: An Improvement for Input-to-State Correspondence Method
Abstract
1 Introduction
2 Background
3 System Design
4 Incremental Information Fusion
4.1 Information Representation Method
4.2 Information Refine Algorithm
5 Implementation and Evaluation
5.1 Implementation
5.2 Evaluation
6 Summary
References
Ground Calibration of Star Tracker Low Spatial Frequency Error
Abstract
1 The Introduction
2 Error Composition and Traditional Calibration Method of Star Tracker
2.1 Error Composition of Star Tracker
2.2 Traditional Calibration Method for LSFE
2.3 Problem Analysis of Traditional Calibration Methods
3 Design of Error Separation Calibration Method
3.1 Error Separation Strategy
3.2 Calibration Method for Error Separation
4 Calibration Simulation and Test Verification
4.1 Simulation Analysis
4.2 Test Verification
5 Conclusion
References
A Real-Time Hierarchical Fault Diagnosis Strategy for SADA Based on Information Fusion
Abstract
1 Introduction
2 Control Strategy for SADA with Dual-Channel Resolver
2.1 Information Flow of Control Strategy for SADA
2.2 Fault Categories
3 Hierarchical Fault Diagnosis Strategy for SADA
3.1 Fault Diagnosis Strategy in Component-Level
3.2 Fault Diagnosis Strategy in System-Level
4 Application
5 Conclusion
References
Implementation of Coordinated Control for Frozen Orbit by Ion Electric Propulsion
Abstract
1 Introduction
2 Altitude Offset and Orbit Maneuver Requirement
2.1 Altitude Offset
2.2 Orbit Maneuver Requirement
3 Control Strategy Simulation
4 StarLink and OneWeb Control Performance
5 Conclusion
References
Research on Loss of Uplink Ranging Signal of the TT&C Transponder
Abstract
1 Introduction
2 Fault Phenomenon
3 Failure Analysis
3.1 Hardware Failure Analysis
3.2 Software Failure Analysis
3.3 Thermal Design Analysis
4 Fault Summary and Solutions
5 Conclusion
References
Radio Frequency Radiant Simulation Method of SAR Target Signal Based on Multi-element Arrays
Abstract
1 Introduction
2 Problem Description
3 Principle of Array Design and Target Signal Generation
3.1 Antenna Array Design
3.2 Target Signal Generation
4 Simulation Results and Analysis
4.1 Modeling and Simulation of Airborne Radome
4.2 Multiple Arrays Design
4.3 Simulation of Real SAR Images
5 Conclusion
References
Channel Coding and Modulation Technology in Satellite Communication Based on Cloud Computing
Abstract
1 Introduction
2 Channel Coding Function and LDPC Coding Principle
2.1 The Role of Channel Coding
2.2 LDPC Coding Principle
3 Modulation Technology
4 LDPC Coded QPSK Modulation System Simulation
4.1 Analysis of Simulation Parameter Setting of LDPC Encoding QPSK Modulation System
4.2 Simulation Results and Analysis
5 Conclusion
References
Overview of IPTV Development in China
Abstract
1 Introduction
2 History of IPTV Development
2.1 IPTV International Development
2.2 Development of China IPTV
2.3 China IPTV Management Policy
3 China IPTV Status and Problems
4 Suggestions for IPTV Future Development
5 Conclusion
Acknowledgment
References
A Handover Management Strategy Using Residence Time Prediction in 5G Ultra-Dense Networks
Abstract
1 Introduction
2 Handover Management Strategy
2.1 Network Model
2.2 HO Skipping
2.3 Ho RTP
3 Theoretical Analysis
3.1 Handover Triggering Probability
3.2 Average Throughput
4 Simulation Results
4.1 Average Throughput Under Different Handover Decision Thresholds
4.2 Average Throughput Under Different BS Density
5 Conclusion
Acknowledgement
References
Geocoding Accelerated Approach to Estimate the Sensor Coverage Ratio of Internet of Things
Abstract
1 Introduction
1.1 A Subsection Sample
2 System Model
2.1 Sensor Coverage Model
2.2 Sensor Deployment in IoTs
2.3 Coverage Ratio Estimation with MC
3 Geocoding Accelerated Approach
4 Experiment and Discussion
5 Conclusion
References
A Markov Process-Based Anomaly Detection of Time Series Streaming Data
Abstract
1 Introduction
2 A Markov Process-Based Anomaly Detection Method
2.1 Pre-processing of Time Series Streaming Data
2.2 Markov Process-Based Anomaly Detection Model
3 Performance Evaluation
4 Conclusion
Acknowledgment
References
Radar Signal Sorting in Small Sample Environment
Abstract
1 Introduction
1.1 Related Research
1.2 The Main Work of This Article
2 SMOTE Algorithm Principle
3 Radar Signal Sorting
3.1 Decision Tree Algorithm
3.2 Random Forest Algorithm
3.3 KNN Algorithm
4 Experiment and Result Analysis
4.1 Data Set
4.2 Unbalanced Sample Expansion
4.3 Radar Signal Sorting
4.4 Analysis of Experimental Results
5 Summary and Outlook
References
A User-Define Method of Coding Rule Checking Using HAL
Abstract
1 Introduction
2 User-Define Method
2.1 HAL
2.2 VPI
2.3 VHPI
2.4 CPI
3 Example and Practice
3.1 Example
3.2 Practice
4 Conclusion
References
Research on Radar Signal Sorting Algorithm Based on Supervised Learning
Abstract
1 Introduction
2 Radar Signal Sorting System
3 Main Sorting of Known Radar Signals Based on Supervised Learning
3.1 Supervised Learning Algorithms
3.2 Experimental Setup
3.3 Algorithm Experiment
3.4 Algorithm Comparison
4 Conclusion
References
Research on Real Radar Pulse Signal Sorting Technology Based on Machine Learning
Abstract
1 Introduction
2 Related Work
3 Pulse Description Word
3.1 TOA
3.2 RF
3.3 PW
3.4 DOA
3.5 PA
4 Machine Learning
4.1 Algorithm Classification
4.2 Evaluation Index
5 Experiment Analysis
5.1 Experiment Data
5.2 Experimental Algorithm Selection
5.3 Experimental Results
6 Conclusion
References
A Novel Microwave Radiometer Using Frequency Scanning Antennas
Abstract
1 Introduction
2 The System Structure of the Novel Microwave Radiometer Using Frequency Scanning Antennas
3 The Main Specifications of the Microwave Radiometer
4 The Calibration Method of the Microwave Radiometer
5 The Numerical Simulation
6 Conclusion
References
Massive Semi-structured Data Platform Based on Elasticsearch and MongoDB
Abstract
1 Introduction
2 Related Technology
2.1 Research of Semi-structured Data Storage Technology
2.2 Research of Semi-structured Data Analysis Technology
3 System Architecture
3.1 The Design of Storage Module
3.2 The Design of Analysis Module
4 Experiment Result
4.1 Experimental Environment
4.2 Experimental Analysis
5 Conclusions
References
SINR Estimation in eMBMS Scenes with Subspace Signal Enhancement
Abstract
1 Introduction
2 System Model
3 Main Work and Contribution
3.1 Subspace Signal Enhancement
3.2 SINR Estimation
3.3 SINR Estimation Based on Subspace Signal Enhancement
4 Experiment and Discussion
5 Conclusions
References
Big Data Workshop
The Analysis of Dual-Polarized Antenna in Polarized Wireless Channels
Abstract
1 Introduction
2 Model of Dual-Polarized Antenna in Polarized Wireless Channels
2.1 The Pattern of Linear Polarization Antenna
2.2 Model of Different Antenna Posture
2.2.1 Parallel
2.2.2 Rotate Around the Z Axis
2.2.3 Rotate Around the Y Axis
2.2.4 Rotate Around the X Axis
2.2.5 Synthesis
3 Symbol Error Rate Analysis
4 Simulations
4.1 Symbol Error Rate Simulations
4.2 Direction Sensitivity Performance
5 Conclusion
Acknowledgment
References
Research on Classroom Attention Analysis Based on Multi-source Data Correlation
Abstract
1 Introduction
2 Data Acquisition and Correlation
2.1 Variable Acquisition
2.2 Target Parameter Value Determination
3 Data Analysis and Intervention
3.1 Data Analysis and Intervention in Class
3.2 Data Analysis and Intervention After Class
4 Conclusion
Acknowledgement
References
Supervised Machine Learning in 5G NSA Networks for Coverage and Performance Analysis
Abstract
1 Research Background
2 4G MDT Performance Analysis
3 Supervised Machine Learning Based (SML-Based) 5G MDT
3.1 The Eigenvalue of 5G NSA Coverage and Performance
3.2 SML-Based 5G MDT Performance Analysis
4 Conclusion
References
An Improved Location Method Research for Mobile Terminal
Abstract
1 Introduction
2 Scheme Introduction
2.1 Gauss-Markov Model Introduction
2.2 Gauss-Markov Model Application Flow
3 Scheme Application
4 Scheme Application Effect
5 Conclusions
References
The Method of Accurate Coverage Optimization for 5G Massive MIMO Based on Big Data
Abstract
1 Introduction
2 Overview of 5G Massive MIMO
2.1 The Main Advantages of 5G Massive MIMO
2.2 5G Massive MIMO Antenna Gain
3 Major Challenges for Massive MIMO Coverage Optimization
3.1 Data Network Optimization is More Complicated
3.2 How Does Coverage Optimization Take into Account SSB & CSI
3.3 How Does Coverage Optimization Take into Account Both Cost and Effectiveness
4 Method of Accurate Coverage Optimization for 5G Massive MIMO Based on Big Data
4.1 Accurate Prediction of Massive MIMO Coverage Interference Based on DT Data
4.2 Iterative Optimization Algorithm for High-Dimensional Solution Space Based on Pattern + RF Combination
4.3 Optimized Process of 5G Massive MIMO Coverage Based on Big Data
5 Conclusion
References
The Interference Mitigation Method and Field Test in C-Band Between 5G System and FSS Receiver
Abstract
1 Introduction
2 Scenario
3 Test Method and Cases
3.1 Interference Criterion
3.2 Laboratory and Field Test
4 Test Results
4.1 The Impact of Network Deployment on Interference Power
4.2 The Performance of Different Filters
4.3 The Aggravation of Multiple 5G Cells
4.4 Interference Mitigation Effect
5 Conclusion
Acknowledgement
References
Energy Saving Technology Research and Effect Verification of LTE Network
Abstract
1 Introduction
2 Energy Saving Technology Research
2.1 Symbol Shut-off
2.2 Channel Shut-off
2.3 Carrier Shut-off
2.4 Cell Shut-off
3 Effect Verification
4 Comparison and Verification of the Energy-Saving Technology
5 Suggestions on Application of Power Saving Strategy
6 Conclusions
References
Analysis of LTE and NR Shared Spectrum Based on Traffic Load
Abstract
1 Introduction
2 Capacity Planning
2.1 NR and LTE Spectrum Planning
2.2 The Impact of Unlimited Data Plans on LTE Capacity
3 Interference Avoidance
3.1 Spectrum Analysis of NR 2.6 GHz Band
3.2 Cross-Slot Interference Between NR and LTE
4 NR and LTE Timeslot Alignment in Sharing AAU Mode
4.1 LTE Wireless Frame Structure
4.2 NR Wireless Frame Structure
4.3 NR and LTE Time Slot Synchronization
5 Conclusion
References
The Introduction and Prospect of Extended Range Forecasting in 11sim30 Days at the National Meteorological Center in China
Abstract
1 Introduction
2 Data and Method
3 Verification
4 Conclusions and Discussion
References
Cross-Screen Tracking Method Based on User Behavior Data
Abstract
1 Introduction
2 Data Preprocessing
3 Cross-Screen Tracking Algorithm
4 Application Scenario
5 Conclusion
Acknowledgement
References
A Virtual Optical Network Mapping Algorithm Based on Machine Learning
Abstract
1 Introduction
2 Problem Description
2.1 Problem Statement
2.2 Physical Network Model
2.3 VON Model
2.4 VON Mapping Process
3 Mapping Algorithms
3.1 Machine Learning Model
3.2 Overall Algorithm Description
4 Experiments and Result
4.1 Simulation Traffic
4.2 Simulation Network
4.3 Simulation Result
5 Conclusion
Acknowledgement
References
Big Data Ecological Platform Architecture Design and Construction Practice in Telecommunication Operators
Abstract
1 Introduction
2 Objective and Orientation of Big Data Ecological Platform
3 Big Data Ecological Platform Architecture Design
3.1 Architecture Design
3.2 Core Capability: Data Capability
3.3 Core Capability: Algorithmic Model Capability
3.4 Data Service Layer
3.5 Data Support System
4 Big Data Ecological Platform Construction Practice
4.1 Implementation Route
4.2 Construction Effect
5 Conclusion
References
An Evaluation Model of User Lifetime Value Based on Improved RFM and AHP Method
Abstract
1 Introduction
2 Proposal of the Integrated Value Evaluation Model
2.1 Indicators Framework of the Integrated Value Evaluation
2.2 Method of Weight Calculation
2.3 Indicators of Sub-program Level
3 User Case of the Value Model
3.1 Sample Selection
3.2 Normalization of Indicators
3.3 Weight of Indicators
3.4 Model Performance
4 Conclusion
Acknowledgement
References
Architecture and Technology of Multi-Source Heterogeneous Data System for Telecom Operator
Abstract
1 Introduction
2 Multi-Source and Heterogeneous Data
3 Data Access
4 Data Pre-Processing
4.1 Data Cleaning
4.2 Data Transforming
4.3 Data Loading
4.4 Data Association
5 Data Storage and Management
6 Data Application and Visualization
7 Conclusions
Acknowledgement
References
Intelligent Detection of Network Coverage Problems Based on the Clustering Algorithm
Abstract
1 Background
2 Intelligent Detection of Coverage Problems
2.1 Coverage Problem Detection Based on Clustering Algorithms
2.2 Geographic Clustering of Coverage Problems
3 Simulations
4 Conclusion
Acknowledgement
References
Exploration and Practice of China Unicom Multi-scene Capability Construction and Open Platform for Large-Scale Heterogeneous Data
Abstract
1 Introduction
2 Related Work
2.1 Construction Goals
2.2 Technical Difficulties and Innovations
3 Platform Construction Plan
3.1 Architecture Design
3.2 Key Module Design
4 Platform Operation Practice
4.1 Usage Scenarios
4.2 Operational Effectiveness
5 Conclusion and Future Work
References
PoC Testing Analysis of Big Data Products
Abstract
1 Introduction
1.1 Category of Big Data Products
1.2 Typical Big Data Vendors and Their Products
2 PoC Testing
3 Test Cases
4 Conclusion
Acknowledgement
References
The Next Generation Identity Platform for Digital Era Based on Blockchain
Abstract
1 Identity in Digital Era
2 The Next Generation Identity Platform
2.1 Requirements of Identity Platform
2.2 Identity Master Key and Avatar
2.3 Characteristic Claim and Attestation
2.4 Attestation Trust Network
3 Architecture of the Platform
4 Economy System with Identity Platform
4.1 Food Quality Tracking
4.2 Online Rehabilitation Assistance for Disabled Children
5 Conclusion
References
Research on Rulebase Metamodel Construction and Management
Abstract
1 Introduction
2 Types of Rules of International Standards
2.1 Requirement Type
2.2 Recommendation Type
2.3 Permission Type
2.4 Possibility and Capability Type
3 Relationships Between Rules
4 Rulebase Metamodel
4.1 Overview of Rulebase Metamodel
4.2 Classes in the Rulebase Metamodel
4.3 Associations in the Rulebase Metamodel
4.4 Identifiers for Rules
5 Management and Maintenance of Rulebase
5.1 Quality Control
5.2 Version Control
6 Conclusions
Acknowledgement
References
Kubernetes Realizes the Cloud & Network Cooperation Based on Hardware SDN Controller
Abstract
1 Background
2 Architecture
2.1 Function design
2.2 Configuration
3 Deployment
4 Verification
4.1 The linkage between container POD network and SDN network to realize inter-network communication during PODs and the network communication between POD and the underlying network
4.2 The real rate of POD network is guaranteed by the underlying network QOS
4.3 Load shedding among PODs is achieved by hardware load balancing virtualization, which makes business safer
5 Summary
References
Data Visualization of 5G Speed Test Platform Using Tableau
Abstract
1 Introduction
2 Introduction to Tableau Visualization Tools
3 The Scheme of 5G Speed Test Platform Design
3.1 Overview of 5G Network
3.2 The Scheme of 5G Speed Test Platform Design
3.3 Principle of Speed Test
3.4 Analysis of Speed Test Log
4 Conclusions
References
Intelligent Mobile Communication Network Plan for 5G Based on Insight Big Data
Abstract
1 Introduction
2 Method
2.1 The Main Process
2.2 Big Data Analysis
2.3 Intelligent Plan
2.4 Fast Network Establishing
3 Application and Advantages
4 Conclusion and Future Work
References
Research and Application of Precision Marketing Algorithms for ETC Credit Card Based on Telecom Big Data
Abstract
1 Backgrounds
2 Business Understanding and Feature Engineering
2.1 Introduction of Operator Big Data
2.2 General Idea
2.3 Feature Engineer Building
2.4 Data’s Pre-processing
3 User’s Clustering
3.1 Existing K-Means Clustering Algorithm
3.2 Advanced K-Means Clustering Algorithm Based on Silhouette Coefficient
3.3 An Example for Advanced K-Means Algorithm
3.4 Simulation and Results
4 Conclusion
References
Author Index