Printed Antennas for 5G Networks

Preface
Contents
5G Extender Antenna Systems to Enhance Indoor Millimetre-Wave Reception
1 Introduction
2 5G Extender System
3 Indoor Antenna
3.1 Design Considerations
3.2 Indoor Antenna Design
3.3 Indoor Antenna Performance
4 Outdoor Antenna
4.1 Design Considerations
4.2 Outdoor Antenna Design
4.3 Outdoor Antenna Performance
5 Conclusion
References
Planar Printed MIMO Antennas for 5G Access Points
1 Introduction
2 Advantages of 5G Technology
3 Technological Requirements for 5G Deployment
4 Planar Printed LP-MIMO Antennas for 5G Applications
5 Planar Printed CP/Dual-CP MIMO Antennas for 5G Applications
6 Conclusion
References
Multi-functional Antennas for 5G Communication
1 Introduction
2 Filtenna Design Examples
2.1 Filtenna for Sub-6 GHz Bands
2.2 5G Filtenna for Millimetre-Wave (MmWave) Bands
2.3 Reconfigurable 5G Filtenna
3 Summary
References
Printed Periodic Structures in Support to 5G Network Antennas
1 Introduction
2 High Impedance Surfaces
3 Frequency Selective Surfaces and Metasurfaces
4 Metasurfaces
5 Interference in 5G Communications
5.1 Frequency Selective Surfaces with Applications in 5G Bands
5.2 Human Exposure to Electric Field in Communications Bands
5.3 EM Compatibility Testing in 5G
5.4 Interference Between Different Communications Systems
References
Magneto-electric Dipole Antenna for 5G
1 Introduction
2 Theory of ME Dipole Antenna
3 Substrate Integrated ME Antennas
4 Wideband 5G ME Dipole Designs
4.1 Wideband Metasurface ME Dipole Antenna
4.2 Wideband SIW Based ME Dipole Antenna
4.3 Broadband ME Dipole Antenna with End-Fire Radiation
4.4 Wideband ME Dipole Antenna for 5G MIMO Microcell Applications
4.5 Dual-wideband ME dipole Antenna with metasurface
4.6 UWB ME Monopole Antenna
5 Circularly Polarized 5G ME Dipole Antennas
6 Dual CP and Dual LP 5G ME Dipole Antennas
7 Conclusion
References
High Isolation Compact Meandered-Line PIFA Antenna for LTE 5G Handset Applications
1 Introduction
2 Antenna Miniaturization
2.1 Loading Antennas
2.2 Shorting Pins/Plates and Ground Planes
2.3 Meandering Line Techniques and Other Optimized Geometries
2.4 Fractal Geometry
3 Various Techniques for Decoupling Adjacent Antennas
3.1 Electromagnetic Band-Gap (EBG) Structure
3.2 Neutralization Line
3.3 Defected Ground Structure (DGS)
3.4 Current Localization Structure
3.5 Collocated Antennas with Orthogonal Polarizations
3.6 Decoupling Networks
3.7 Parasitic Scatterer
3.8 Metamaterials as Isolators
3.9 Other Isolation Techniques
4 Meandered-Line PIFA MIMO Antenna
5 The MIMO Meandered-Line PIFA Antenna System
5.1 Slit Between Antennas
5.2 The Neutralization Line (N-line)
5.3 Improving the Isolation Using Slit and N-Line
5.4 The Fork-Shaped Strip in the Ground Plane
6 Practical Implementation and Comparison of Results
References
Design of Conformal Antenna Arrays for Wide Angle Scanning
1 Introduction
2 Luneburg Lens Designs
3 Flat-Base Broadband Multibeam Luneburg Lens
4 Dual-Polarized Luneburg Lens Antenna System
5 Beam Steering Using Mechanical Motion
6 Conformal, High Gain, Wide-Beam Scanning Using Microstrip Patch Antenna Arrays
6.1 Phase Calculation for Array Elements
6.2 Gain Enhancement Using Superstrate
7 Conclusion
References
MIMO Antennas for WLAN Applications
1 Introduction
2 MIMO Channel Model
3 The Principles of Gain and Bandwidth Enhancement
3.1 The Principle of Bandwidth Enhancement for Antenna Using Metamaterial
3.2 The Principle of Gain Enhancement for Antenna Using Metamaterial
4 Design of MIMO Antennas
4.1 Gain Enhancement for MIMO Antenna Using Metamaterial
4.2 Gain Enhancement for MIMO Antenna Using DGS
4.3 Gain Enhancement for MIMO Antenna Using Metasurface
5 Conclusions
References
UWB Phased Array Smartphone Antenna with Compact Radiators for MM-Wave 5G Applications
1 Introduction
2 Configuration Details
3 End-Fire Dipole Resonator
4 The 5G Smartphone Phased Array Antenna
5 Conclusions
References
Overview of Advanced Antennas Concepts for 5G
1 Introduction and Evolution of 5G
1.1 Introduction
1.2 Evolution of 5G Multi-Element Antenna Systems
2 Beamforming Techniques
2.1 Introduction
2.2 Switched Beams
2.3 Adaptive Arrays
2.4 Adaptive Beamforming Algorithms [22]
2.5 Beamformers Implementation
2.6 Spatial Processing
3 Antennas Candidates for 5G
3.1 Antennas Suitable for UE (Mobile Terminals)
3.2 Multilayer Phased-Array Antennas for 5G Mobile Terminals [58, 59]
3.3 Multi-Polarized Multilayer Phased-Array Antennas for 5G Mobile Terminals [55]
3.4 Base Station Antennas [64]
3.5 Next Generation Antennas
4 Examples of Commercial 5G Antennas
References
5G Antenna Materials and Ensuing Challenges
1 Introduction
2 Role of Dielectric Material in the Development of Antennas
3 Role of Material in 5G Contemporary Antenna Technologies
4 Role of Material in 5G/6G Futuristic Communication Networks
4.1 THz Antennas
4.2 Antennas in IMDs
4.3 Nanoantennas
4.4 Wearable Antennas
5 Conclusion
References
Multi-objective Optimization Methods for Passive and Active Devices in mm-Wave 5G Networks
1 Introduction
2 Background
3 Target and Motivation of Optimization Methods in the Microwave Field
3.1 Definition of Optimization
3.2 Configuration of Optimization
3.3 Need of Optimization Process
3.4 Use of Power Amplifiers and Antennas in the Communication Systems
4 Practical Application of Optimization Algorithms in the Design of High Performance Power Amplifiers and Antennas
4.1 Bottom-Up Optimization (BUO)
4.2 Top-Down Optimization (TDO)
4.3 Bayesian Optimization (BO)
4.4 Optimizations Based on Animals, Plants Or Insect Behaviours
4.5 Optimizations Based on Human Treatments
4.6 Optimizations Based on the Evolution Algorithm (EA)
5 Conclusion
References