Terahertz Wireless Communication Components and System Technologies (2022) [Ghzaoui et al] [9789811691812]

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Terahertz Wireless Communication Components and System Technologies (2022) [Ghzaoui et al] [9789811691812] Preface Contents Terahertz VCO Design for High-Speed Wireless Communication Systems 1 Introduction 2 Terahertz Domain 3 THz Radiation Applications 3.1 THz Spectroscopy 3.2 Medical Applications 3.3 Quality Control and Monitoring for Safety 3.4 Astronomy and Earth Science 3.5 THz Communication 4 Impact of THz on 6G Wireless Communication 5 VCO Design for THz Band 5.1 mmWave VCO 5.2 Bandpass Filter 5.3 THz VCO 6 Conclusion References Performance Analysis of EOS and SDI Detectors in THz Band 1 Introduction 2 Handling Terahertz Radiation 3 Interest, Capacity, and Potential of THz Radiation 4 THz Detection Methods 4.1 Equivalent Time Sampling 4.2 THz Detection by Photoconductive Antennas 4.3 THz Detection by Electro-Optical Sampling 4.4 THz Detection by Plasma in Air 4.5 Frequency Domain Interferometry THz Detection 4.6 Bolometers Detectors 5 SDI Versus EOS Detection 6 Conclusion References On the Effective Electron Mass in Quantum-Confined THz Materials 1 Introduction 2 Method 3 Result and Discussions 4 Conclusion References Opportunities and Challenges in THz Communication 1 Introduction 2 Channel Modeling 3 Modulation Schemes 4 Multiple-Input Multiple-Output Systems 5 Antenna Design 6 Transceivers Design in Terahertz Band 7 Present State of the Art 8 Future Research Areas in THz Communication 9 Conclusion References Coding and Modulation for Terahertz 1 Introduction 2 Modulations Schemes for THz Communications 2.1 Pulse-Based Modulation 2.2 Carrier-Based Modulation 3 Coding Schemes for THz Communications 3.1 LDPC Code 3.2 Turbo Code 3.3 Polar Code 4 Conclusion References Terahertz Band Frequency Tuning for a CMOS Active Filter 1 Introduction 2 The THz Domain 2.1 THz Applications 3 Types of Filters 3.1 Volume Filters: Based on Waveguide 3.2 Volume Filters: The SIW Filtres 3.3 Planar Filters: Localized Element Filters 3.4 Planar Filters: Distributed Element Filters 4 Structure and Principle 5 Simulation Results and Optimization 5.1 S Parameters, Stability, and Noise Figure 5.2 Frequency Tuning 6 Conclusion References A 10-Element Series Fed Non-uniform High Directional Planar Antenna Array at 0.3 THz 1 Introduction 2 Preliminary 10-Element Series Fed Antenna Array 3 Modified 10-Element Series Fed Antenna Array 4 Conclusion References Compact Two Ports MIMO Antenna Operating at Terahertz Band 1 Introduction 2 THz Technology 2.1 State of Art of THz Technology 2.2 THz Applications 3 Advantage of MIMO Versus SISO System 4 MIMO Modeling 4.1 MIMO 2 × 2 Modeling 4.2 MIMO 3 × 3 Modeling 5 Characterization of the SISO to MIMO Channel 5.1 Determinist Characterization in the Temporal and Spatial Domains 5.2 Stochastic Characterization in the Temporal and Spatial Domains 6 Gains of the MIMO Channel 7 MIMO Antenna Design 7.1 The MIMO Antenna Design 7.2 Optimization of the MIMO Antenna and Results 7.3 Results and Simulations 8 Conclusion References High Gain of a Canine MIMO Antenna for Terahertz Applications 1 Introduction 2 Smart Antenna THz 3 Recent Work 4 THz Wave 5 MIMO Antenna Design and Analysis 6 Simulation Results and Optimization 7 Conclusion References Terahertz Band for Wireless Communication—A Review 1 Introduction 1.1 Properties of Terahertz Waves 2 Terahertz (THz) Band in Wireless Communication 3 Terahertz Radiation Sources 4 Challenges for Terahertz Technology 5 Terahertz Communication Systems 6 Conclusion References Nonconventional Heterostructure Tunnel FET for Sensitive Tera Hertz Detection 1 Introduction 2 Device Structure and Simulation Strategy 2.1 Simulation Framework 2.2 Electric Field Distribution 3 Simulation Results and Discussion 3.1 Transfer Characteristics 3.2 Surface Potential and Electric Field Distribution Analysis 3.3 Small Signal Analysis 4 Conclusion References Study and Design of the Microstrip Patch Antenna Operating at 120 GHz 1 Introduction 2 Applications of Terahertz Frequencies 3 Terahertz Radiation Sources 4 Application 5 Conclusion References Development of Dissimilar-Shaped 8-Patch Massive MIMO Antenna for Various Application with Enhancement of Bandwidth and ECC 1 Introduction 2 Massive MIMO antenna system(MAS) Design 2.1 Rectangular-Shaped TLM for Radiating Patch 2.2 Isolation and Bandwidth Improvements 3 Result Analysis 3.1 Isolation and Bandwidth Improvements 3.2 Flowchart of Antenna Design 4 Conclusion References Asset Allotment in Hybrid RF/VLC Communication in the 400–700 THz Band 1 Introduction 2 Existing Models 3 Model of a Hybrid RF/VLC System 3.1 Light Propagation Model in THz Band 3.2 Model for RF Waveform Propagation 3.3 Data Rate in THz Band-Based VLC 3.4 The Overall Communication Model 3.5 Allocating the Assets in Hybrid RF/VLC 4 Allotment of Bandwidth Power and Connection Parameter in the Systems with One RF and Multiple Access Point of the Visible Light Communication Networks 4.1 Framework for Learning 5 Conclusion References Mechanical Engineering Challenges in Machining of Terahertz Waveguide Components 1 Introduction to Terahertz Waves and Terahertz Technology 1.1 EM Waves and Their Propagation 1.2 Introduction to Waveguides 1.3 Frequency Bands and Designations 1.4 Worldwide Status of Terahertz Technology 1.5 Status of Terahertz Technology in India 1.6 Micromachining of Waveguide 1.7 Applications of Terahertz Band 1.8 Mechanical Engineering Challenges in THz Technology 1.9 Micromachining References Material Selection, Micromachining, and Measurements of THz Waveguide Components 1 Introduction 1.1 Materials and Design Selection of Waveguide 1.2 Silicon Family 1.3 Micro-manufacturing and Micro-milling 1.4 Micro-milling 1.5 Micromachining Setup 1.6 Cutting Tools and Their Geometry Effect on Micro-cutting 1.7 Cutting Parameters (Feed, Speed, and DOC) and Their Importance 1.8 Accuracy and Thermal Effects 1.9 Machining Strategies to Minimize Surface Roughness 1.10 Laser Micromachining 1.11 CW Fiber Laser Cutting 1.12 Nanosecond Laser Cutting 1.13 Measuring Instruments for Linear and Geometrical Tolerances 1.14 Galileo Starrett 3D Vision System 1.15 Optical Surface Profiler 1.16 Surface Flatness Checking 1.17 Measurement of Linear and Geometrical Tolerances 1.18 Measurement of Surface Roughness 1.19 Measurement of Straightness 1.20 Measurement of Perpendicularity 1.21 Measurement of Parallelism 1.22 Measurement of Circularity 1.23 Measurement of Dowel Pin Diameter 1.24 S-parameters Measurement 1.25 Waveguide Loss (S21-Parameter) and Dispersion Measurements 1.26 Dispersion Measurements 2 Conclusion References A Comparative Analysis of Optical and Electrical Control of High Frequency Properties of Si IMPATT in W-band 1 Introduction 2 IMPATT Oscillator 2.1 Tuning Mechanisms 3 Design Procedure for Electrical Control of the Si IMPATT Diode 3.1 Device Model 3.2 DC Analysis 3.3 RF Analysis for Small Amplitude AC Signal 4 Analytical Model to Analyze the RF Properties of the Optically Irradiated Device 5 Simulated Results for the Electrical Control of Un-illuminated IMPATT Diode 6 Simulated Results for the Optical Controlled Si IMPATT diode at 94 GHz 7 Conclusion References