{"product_id":"physical-layer-security-for-6g-hardback-9781394170913","title":"Physical-Layer Security for 6G (Hardback) 9781394170913","description":"\u003cfont face=\"Georgia\"\u003e\r\n\u003cp\u003e\u003cfont size=\"6\"\u003ePhysical-Layer Security for 6G\u003c\/font\u003e\u003cbr\u003e\r\n\r\n\r\n\r\n\r\n\r\n\u003c\/p\u003e\n\u003cp\u003e\u003cfont size=\"4\"\u003eParthajit Mohapatra (Edited by), Mohapatra (Author), Nikolaos Pappas (Edited by), Arsenia Chorti (Edited by), Stefano Tomasin (Edited by)\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cfont size=\"3\"\u003e9781394170913, Wiley\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cfont size=\"3\"\u003eHardback, published 9 January 2025\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cfont size=\"3\"\u003e384 pages\u003cbr\u003e22.9 x 15.2 x 2.4 cm, 0.78 kg\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\r\n\r\n\r\n\r\n\u003cp align=\"justify\"\u003e\u003cstrong\u003e\u003cfont size=\"3\"\u003e\u003cp\u003e\u003cb\u003eMeet the wireless security challenges of the future with this key volume\u003c\/b\u003e \u003c\/p\u003e\n\u003cp\u003eThe 6\u003csup\u003eth\u003c\/sup\u003e generation of wireless communication technology—known as 6G—promises to bring both revolutionary advances and unique challenges. Secure communications will be harder than ever to achieve under the new integrated ground, air, and space networking paradigm, with increased connectivity creating the potential for increased vulnerability. Physical-layer security, which draws upon the physical properties of the channel or network to secure information, has emerged as a promising solution to these challenges. \u003c\/p\u003e\n\u003cp\u003e\u003ci\u003ePhysical-Layer Security for 6G\u003c\/i\u003e provides a working introduction to these technologies and their burgeoning wireless applications. With particular attention to heterogeneous and distributed network scenarios, this book offers both the information-theory fundamentals and the most recent developments in physical-layer security. It constitutes an essential resource for meeting the unique security challenges of 6G. \u003c\/p\u003e\n\u003cp\u003e\u003ci\u003ePhysical-Layer Security for 6G\u003c\/i\u003e readers will also find: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAnalysis of physical-layer security in the quality of security framework (QoSec)\u003c\/li\u003e\n\u003cli\u003eDetailed discussion of physical-layer security applications in visible light communication (VLC), intelligence reflecting surface (IRS), and more\u003c\/li\u003e\n\u003cli\u003ePractical use cases and demonstrations\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003ci\u003ePhysical-Layer Security for 6G\u003c\/i\u003e is ideal for wireless research engineers as well as advanced graduate students in wireless technology.\u003c\/p\u003e\u003c\/font\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cfont size=\"3\"\u003e\u003cp\u003eAbout the Editors xiii\u003c\/p\u003e \u003cp\u003eList of Contributors xv\u003c\/p\u003e \u003cp\u003ePreface xix\u003c\/p\u003e \u003cp\u003e\u003cb\u003ePart I Preliminaries 1\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003e1 Foundations of Physical-Layer Security for 6G 3\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eMatthieu Bloch\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e1.1 Coding Mechanisms 4\u003c\/p\u003e \u003cp\u003e1.1.1 Channel Coding 5\u003c\/p\u003e \u003cp\u003e1.1.2 Soft Covering 6\u003c\/p\u003e \u003cp\u003e1.1.3 Source Coding with Side Information 7\u003c\/p\u003e \u003cp\u003e1.1.4 Privacy Amplification 8\u003c\/p\u003e \u003cp\u003e1.2 Coding for Physical-Layer Security 8\u003c\/p\u003e \u003cp\u003e1.2.1 Secure Communication 9\u003c\/p\u003e \u003cp\u003e1.2.2 Secret-Key Generation 11\u003c\/p\u003e \u003cp\u003e1.3 Engineering and Learning Channels 12\u003c\/p\u003e \u003cp\u003eReferences 13\u003c\/p\u003e \u003cp\u003e\u003cb\u003e2 Coding Theory Advances in Physical-Layer Secrecy 19\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eLaura Luzzi\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e2.1 Introduction 19\u003c\/p\u003e \u003cp\u003e2.2 Wiretap Coding Schemes Based on Coset Coding 20\u003c\/p\u003e \u003cp\u003e2.2.1 LDPC Codes for Binary Erasure Wiretap Channels 21\u003c\/p\u003e \u003cp\u003e2.2.2 Polar Codes for Binary Input Symmetric Channels 26\u003c\/p\u003e \u003cp\u003e2.2.3 Lattice Codes for Gaussian and Fading Wiretap Channels 29\u003c\/p\u003e \u003cp\u003e2.3 Wiretap Coding Schemes Based on Invertible Extractors 31\u003c\/p\u003e \u003cp\u003e2.3.1 Secrecy Capacity-Achieving Codes for the Gaussian Channel 35\u003c\/p\u003e \u003cp\u003e2.4 Finite-Length Results 35\u003c\/p\u003e \u003cp\u003eReferences 38\u003c\/p\u003e \u003cp\u003e\u003cb\u003ePart II Physical-Layer Security in Emerging Scenarios 43\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003e3 Beamforming Design for Secure IRS-Assisted Multiuser MISO Systems 45\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eDongfang Xu, Derrick Wing Kwan Ng, and Robert Schober\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e3.1 Introduction 45\u003c\/p\u003e \u003cp\u003e3.2 System Model 47\u003c\/p\u003e \u003cp\u003e3.3 Resource Allocation Optimization Problem 49\u003c\/p\u003e \u003cp\u003e3.3.1 Performance Metrics of Secure Communication 49\u003c\/p\u003e \u003cp\u003e3.3.2 Problem Formulation 50\u003c\/p\u003e \u003cp\u003e3.4 Solution of the Optimization Problem 50\u003c\/p\u003e \u003cp\u003e3.4.1 Problem Reformulation 50\u003c\/p\u003e \u003cp\u003e3.4.2 Successive Convex Approximation 52\u003c\/p\u003e \u003cp\u003e3.4.3 Complex Circle Optimization 53\u003c\/p\u003e \u003cp\u003e3.4.3.1 Tangent Space 54\u003c\/p\u003e \u003cp\u003e3.4.3.2 Riemannian Gradient 54\u003c\/p\u003e \u003cp\u003e3.5 Experimental Results 58\u003c\/p\u003e \u003cp\u003e3.5.1 Average SSR Versus BS Power Budget 59\u003c\/p\u003e \u003cp\u003e3.5.2 Average SSR Versus Number of Legitimate Users 60\u003c\/p\u003e \u003cp\u003e3.6 Conclusion 61\u003c\/p\u003e \u003cp\u003e3.7 Future Extension 61\u003c\/p\u003e \u003cp\u003eReferences 63\u003c\/p\u003e \u003cp\u003e\u003cb\u003e4 Physical-Layer Security for Optical Wireless Communications 67\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eShenjie Huang, Mohammad Dehghani Soltani, and Majid Safari\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e4.1 Introduction 67\u003c\/p\u003e \u003cp\u003e4.2 PLS for SISO VLC 68\u003c\/p\u003e \u003cp\u003e4.2.1 PLS Performance Metrics 68\u003c\/p\u003e \u003cp\u003e4.2.2 SISO VLC Secrecy Analysis 69\u003c\/p\u003e \u003cp\u003e4.3 PLS for MISO VLC 74\u003c\/p\u003e \u003cp\u003e4.3.1 MISO VLC Secrecy Analysis 75\u003c\/p\u003e \u003cp\u003e4.3.2 Secrecy Improvement in MISO VLC 77\u003c\/p\u003e \u003cp\u003e4.4 PLS for Multiuser VLC 80\u003c\/p\u003e \u003cp\u003e4.4.1 Precoding Designs 80\u003c\/p\u003e \u003cp\u003e4.4.2 PLS for NOMA-Based VLC 84\u003c\/p\u003e \u003cp\u003e4.5 PLS for VLC with Emerging Technologies 86\u003c\/p\u003e \u003cp\u003e4.6 Open Challenges and Future Works 90\u003c\/p\u003e \u003cp\u003eReferences 92\u003c\/p\u003e \u003cp\u003e\u003cb\u003e5 The Impact of Secrecy on Stable Throughput and Delay 99\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eParthajit Mohapatra and Nikolaos Pappas\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e5.1 Introduction 99\u003c\/p\u003e \u003cp\u003e5.1.1 Related Works 100\u003c\/p\u003e \u003cp\u003e5.2 System Model 101\u003c\/p\u003e \u003cp\u003e5.3 Stability Region for the General Case 103\u003c\/p\u003e \u003cp\u003e5.3.1 First Dominant System 103\u003c\/p\u003e \u003cp\u003e5.3.2 Second Dominant System 104\u003c\/p\u003e \u003cp\u003e5.4 Stability Region Analysis: Receivers with Different Decoding Abilities 105\u003c\/p\u003e \u003cp\u003e5.4.1 Receivers with Limited Decoding Abilities 106\u003c\/p\u003e \u003cp\u003e5.4.1.1 When Only the Second Queue Is Non-empty 106\u003c\/p\u003e \u003cp\u003e5.4.1.2 When Only the First Queue Is Non-empty 106\u003c\/p\u003e \u003cp\u003e5.4.1.3 When Both the Queues Are Non-empty 107\u003c\/p\u003e \u003cp\u003e5.4.2 Receiver 1 with Limited Decoding Ability and Receiver 2 Uses SD 109\u003c\/p\u003e \u003cp\u003e5.5 Impact of Secrecy on Delay Performance 109\u003c\/p\u003e \u003cp\u003e5.5.1 Delay Analysis for User with Confidential Data 109\u003c\/p\u003e \u003cp\u003e5.6 Results and Discussion 110\u003c\/p\u003e \u003cp\u003e5.6.1 Stability Region with Secrecy Constraint 111\u003c\/p\u003e \u003cp\u003e5.6.2 Impact of Imperfect Self-interference Cancelation on the Stability Region 112\u003c\/p\u003e \u003cp\u003e5.6.3 Impact of Secrecy on Delay 112\u003c\/p\u003e \u003cp\u003e5.7 Conclusion 114\u003c\/p\u003e \u003cp\u003eReferences 114\u003c\/p\u003e \u003cp\u003e\u003cb\u003e6 Physical-Layer Secrecy for Ultrareliable Low-Latency Communication 117\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eParthajit Mohapatra and Nikolaos Pappas\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e6.1 Introduction 117\u003c\/p\u003e \u003cp\u003e6.2 Background 118\u003c\/p\u003e \u003cp\u003e6.2.1 Finite Block-Length Information Theory 118\u003c\/p\u003e \u003cp\u003e6.2.1.1 Results for the AWGN Channel 119\u003c\/p\u003e \u003cp\u003e6.2.1.2 Results for the AWGN Wiretap Channel 119\u003c\/p\u003e \u003cp\u003e6.2.1.3 Stability Criteria of a Queue 119\u003c\/p\u003e \u003cp\u003e6.2.1.4 Age of Information 119\u003c\/p\u003e \u003cp\u003e6.2.2 Related Works 120\u003c\/p\u003e \u003cp\u003e6.3 System Model 121\u003c\/p\u003e \u003cp\u003e6.4 Impact of Secrecy on Stable Throughput 122\u003c\/p\u003e \u003cp\u003e6.5 Impact of Secrecy on Latency 125\u003c\/p\u003e \u003cp\u003e6.5.1 Delay Analysis 125\u003c\/p\u003e \u003cp\u003e6.5.2 AAoI Analysis 126\u003c\/p\u003e \u003cp\u003e6.6 Results and Discussion 126\u003c\/p\u003e \u003cp\u003e6.7 Conclusion 130\u003c\/p\u003e \u003cp\u003eReferences 130\u003c\/p\u003e \u003cp\u003e\u003cb\u003ePart III Integration of Physical-layer Security with 6g Communication 133\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003e7 Security Challenges and Solutions for Rate-Splitting Multiple Access 135\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eAbdelhamid Salem and Christos Masouros\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e7.1 Introduction 135\u003c\/p\u003e \u003cp\u003e7.2 Security Issues in RSMA 137\u003c\/p\u003e \u003cp\u003e7.3 How Much of the Split Signal Should Be Revealed? 138\u003c\/p\u003e \u003cp\u003e7.3.1 Ergodic Rates 140\u003c\/p\u003e \u003cp\u003e7.3.2 Power Allocation Strategy for Secure RSMA Transmission 142\u003c\/p\u003e \u003cp\u003e7.4 Secure Beamforming Design for RSMA Transmission 146\u003c\/p\u003e \u003cp\u003e7.4.1 Optimization Framework 147\u003c\/p\u003e \u003cp\u003e7.4.1.1 Perfect CSIT 147\u003c\/p\u003e \u003cp\u003e7.4.1.2 Imperfect CSIT 148\u003c\/p\u003e \u003cp\u003e7.5 Conclusion 150\u003c\/p\u003e \u003cp\u003eReferences 151\u003c\/p\u003e \u003cp\u003e\u003cb\u003e8 End-to-End Autoencoder Communications with Optimized Interference Suppression 153\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eKemal Davaslioglu, Tugba Erpek, and Yalin Sagduyu\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e8.1 Introduction 153\u003c\/p\u003e \u003cp\u003e8.2 Related Work 156\u003c\/p\u003e \u003cp\u003e8.3 System Model 157\u003c\/p\u003e \u003cp\u003e8.4 Performance Evaluation of AEC Considering the Effects of Channel, Quantization, and Embedded Implementation 159\u003c\/p\u003e \u003cp\u003e8.4.1 Comparison of Signal Constellations 160\u003c\/p\u003e \u003cp\u003e8.4.2 Effects of EVM 163\u003c\/p\u003e \u003cp\u003e8.4.3 Effects of Quantization 163\u003c\/p\u003e \u003cp\u003e8.4.4 Practical Considerations for Embedded Devices 164\u003c\/p\u003e \u003cp\u003e8.5 Data Augmentation to Train the AE Model Using GANs 166\u003c\/p\u003e \u003cp\u003e8.5.1 BER Performance with GAN-Based Data Augmentation 168\u003c\/p\u003e \u003cp\u003e8.6 Methods to Suppress the Effects of Interference 169\u003c\/p\u003e \u003cp\u003e8.7 AE Communications with Interference Suppression for MIMO Systems 177\u003c\/p\u003e \u003cp\u003e8.8 Conclusion 179\u003c\/p\u003e \u003cp\u003eReferences 179\u003c\/p\u003e \u003cp\u003e\u003cb\u003e9 AI\/ML-Aided Processing for Physical-Layer Security 185\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eMuralikrishnan Srinivasan, Sotiris Skaperas, Mahdi Shakiba Herfeh, and Arsenia Chorti\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e9.1 Introduction 185\u003c\/p\u003e \u003cp\u003e9.1.1 Facilitating the Incorporation of PLS in 6G 186\u003c\/p\u003e \u003cp\u003e9.2 Proposed Metrics for RF Fingerprinting and SKG 187\u003c\/p\u003e \u003cp\u003e9.2.1 Total Variation Distance for Radio Frequency Fingerprinting 187\u003c\/p\u003e \u003cp\u003e9.2.2 Cross Correlation for SKG 188\u003c\/p\u003e \u003cp\u003e9.2.3 Statistical Independence Metric 189\u003c\/p\u003e \u003cp\u003e9.2.4 Reciprocity and Mismatch Probability 190\u003c\/p\u003e \u003cp\u003e9.3 Power Domain Preprocessing 190\u003c\/p\u003e \u003cp\u003e9.3.1 Preprocessing Using PCA 192\u003c\/p\u003e \u003cp\u003e9.3.2 Preprocessing Using AEs 195\u003c\/p\u003e \u003cp\u003e9.4 Conclusions 198\u003c\/p\u003e \u003cp\u003eReferences 198\u003c\/p\u003e \u003cp\u003e\u003cb\u003e10 Joint Secure Communication and Sensing in 6G Networks 203\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eMiroslav Mitev, Amitha Mayya, and Arsenia Chorti\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e10.1 Introduction 203\u003c\/p\u003e \u003cp\u003e10.2 Related Work and Motivation 205\u003c\/p\u003e \u003cp\u003e10.3 System Model 206\u003c\/p\u003e \u003cp\u003e10.4 Secret Key Generation Protocol 207\u003c\/p\u003e \u003cp\u003e10.4.1 Advantage Distillation 207\u003c\/p\u003e \u003cp\u003e10.4.2 Information Reconciliation 208\u003c\/p\u003e \u003cp\u003e10.4.3 Privacy Amplification 209\u003c\/p\u003e \u003cp\u003e10.5 Measurement Setup 209\u003c\/p\u003e \u003cp\u003e10.5.1 Scenarios 210\u003c\/p\u003e \u003cp\u003e10.5.2 Implementation of the SKG Protocol 211\u003c\/p\u003e \u003cp\u003e10.6 Results and Discussion 212\u003c\/p\u003e \u003cp\u003eAcknowledgments 218\u003c\/p\u003e \u003cp\u003eReferences 218\u003c\/p\u003e \u003cp\u003e\u003cb\u003ePart IV Applications 221\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003e11 Physical-Layer Authentication for 6G Systems 223\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eStefano Tomasin, He Fang, and Xianbin Wang\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e11.1 Authentication by Physical Parameters 223\u003c\/p\u003e \u003cp\u003e11.1.1 PLA and 6G Systems 225\u003c\/p\u003e \u003cp\u003e11.2 Challenge-Response PLA for 6G 226\u003c\/p\u003e \u003cp\u003e11.3 Intelligent PLA Based on Machine Learning 229\u003c\/p\u003e \u003cp\u003e11.3.1 Machine-Learning-Based PLA Approach 231\u003c\/p\u003e \u003cp\u003e11.3.2 Performance Analysis 232\u003c\/p\u003e \u003cp\u003eReferences 235\u003c\/p\u003e \u003cp\u003e\u003cb\u003e12 Securing the Future e-Health: Context-Aware Physical-Layer Security 239\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eMehdi Letafati, Eduard Jorswieck, and Babak Khalaj\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e12.1 Introduction 239\u003c\/p\u003e \u003cp\u003e12.1.1 PHYSEC in 6G 239\u003c\/p\u003e \u003cp\u003e12.1.2 Introduction to PHYSEC Solutions 241\u003c\/p\u003e \u003cp\u003e12.1.2.1 General Model and Problem Formulations 241\u003c\/p\u003e \u003cp\u003e12.1.2.2 Key-less Versus Key-Based Techniques 243\u003c\/p\u003e \u003cp\u003e12.1.2.3 Active and Passive Attacks 244\u003c\/p\u003e \u003cp\u003e12.2 PHYSEC Key Generation 245\u003c\/p\u003e \u003cp\u003e12.2.1 Learning-Aided PHYSEC for e-Health 246\u003c\/p\u003e \u003cp\u003e12.2.1.1 Neural Network Implementation 248\u003c\/p\u003e \u003cp\u003e12.2.1.2 Information-Theoretic Secrecy Analysis 250\u003c\/p\u003e \u003cp\u003e12.2.2 Covert or Stealthy SKG 251\u003c\/p\u003e \u003cp\u003e12.2.3 SKG in Multiuser Massive MIMO 252\u003c\/p\u003e \u003cp\u003e12.2.4 Robust MiM Attack-Resistant SKG for Multi-carrier MIMO Systems 255\u003c\/p\u003e \u003cp\u003e12.3 Key-less PHYSEC for Medical Image Transmission 258\u003c\/p\u003e \u003cp\u003e12.3.1 Content- and Delay-Aware Design 259\u003c\/p\u003e \u003cp\u003e12.3.1.1 Security Level Adjustment 261\u003c\/p\u003e \u003cp\u003e12.3.1.2 Evaluations 262\u003c\/p\u003e \u003cp\u003e12.4 Proof-of-Concept Study 263\u003c\/p\u003e \u003cp\u003e12.5 Conclusions and Future Directions 266\u003c\/p\u003e \u003cp\u003eReferences 267\u003c\/p\u003e \u003cp\u003e\u003cb\u003e13 The Role of Non-terrestrial Networks: Features and Physical-Layer Security Concerns 275\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eMarco Giordani, Francesco Ardizzon, Laura Crosara, Nicola Laurenti, and Michele Zorzi\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e13.1 Non-terrestrial Networks for 6G 275\u003c\/p\u003e \u003cp\u003e13.1.1 Use Cases 277\u003c\/p\u003e \u003cp\u003e13.1.1.1 Continuous and Ubiquitous Network Coverage 277\u003c\/p\u003e \u003cp\u003e13.1.1.2 Support for the Internet of Things 277\u003c\/p\u003e \u003cp\u003e13.1.1.3 Integration Between Communication and Computation 278\u003c\/p\u003e \u003cp\u003e13.1.1.4 Energy-Efficient Service 278\u003c\/p\u003e \u003cp\u003e13.1.2 Enabling Technologies 278\u003c\/p\u003e \u003cp\u003e13.1.2.1 Novel Network Solutions 278\u003c\/p\u003e \u003cp\u003e13.1.2.2 Novel Antenna Solutions 279\u003c\/p\u003e \u003cp\u003e13.1.2.3 Novel Spectrum Solutions 279\u003c\/p\u003e \u003cp\u003e13.1.3 Open Research Questions 279\u003c\/p\u003e \u003cp\u003e13.1.3.1 Physical-Layer Procedures 279\u003c\/p\u003e \u003cp\u003e13.1.3.2 Synchronization 280\u003c\/p\u003e \u003cp\u003e13.1.3.3 Channel Estimation and Random Access 280\u003c\/p\u003e \u003cp\u003e13.1.3.4 Mobility Management 280\u003c\/p\u003e \u003cp\u003e13.1.3.5 Resource Saturation 281\u003c\/p\u003e \u003cp\u003e13.1.3.6 Higher-Layer Protocol (Re)design 281\u003c\/p\u003e \u003cp\u003e13.1.3.7 The Role of the Uplink 282\u003c\/p\u003e \u003cp\u003e13.1.3.8 Security and Privacy 282\u003c\/p\u003e \u003cp\u003e13.2 Physical-Layer Security in Non-terrestrial Networks 282\u003c\/p\u003e \u003cp\u003e13.2.1 Physical-Layer Secrecy in NTNs 283\u003c\/p\u003e \u003cp\u003e13.2.1.1 Two-Way Protocols 284\u003c\/p\u003e \u003cp\u003e13.2.1.2 Geographical Constraints 284\u003c\/p\u003e \u003cp\u003e13.2.1.3 Use of Relays and Friendly Jamming Helpers 285\u003c\/p\u003e \u003cp\u003e13.2.2 Physical-Layer Authentication for NTNs 285\u003c\/p\u003e \u003cp\u003e13.2.2.1 Device-Based PLA 287\u003c\/p\u003e \u003cp\u003e13.2.2.2 Channel-Based PLA 288\u003c\/p\u003e \u003cp\u003e13.2.2.3 Challenges and Future Works for PLA 289\u003c\/p\u003e \u003cp\u003e13.2.3 Position Integrity for NTNs 290\u003c\/p\u003e \u003cp\u003e13.2.3.1 System Model 291\u003c\/p\u003e \u003cp\u003e13.2.3.2 Attack Model 293\u003c\/p\u003e \u003cp\u003e13.2.3.3 Authentication Procedure 294\u003c\/p\u003e \u003cp\u003e13.2.3.4 Performance Metrics 295\u003c\/p\u003e \u003cp\u003e13.3 Conclusions 298\u003c\/p\u003e \u003cp\u003eReferences 299\u003c\/p\u003e \u003cp\u003e\u003cb\u003e14 Quantum Hardware-Aware Security for 6G Networks 305\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eMatthias Frey, Igor Bjelaković, Janis Nötzel, Juliane Krämer, and Sławomir Stańczak\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e14.1 Introduction 305\u003c\/p\u003e \u003cp\u003e14.2 Preliminaries 308\u003c\/p\u003e \u003cp\u003e14.2.1 Quantum States and Observables 308\u003c\/p\u003e \u003cp\u003e14.2.2 Quantum Channels 309\u003c\/p\u003e \u003cp\u003e14.2.3 Bosonic Systems 311\u003c\/p\u003e \u003cp\u003e14.2.4 Information Measures 312\u003c\/p\u003e \u003cp\u003e14.3 Secret Communication 312\u003c\/p\u003e \u003cp\u003e14.3.1 Semantic Security and Its Operational Significance 313\u003c\/p\u003e \u003cp\u003e14.3.2 Other Security Measures Used in the Analysis of Secret Communication 315\u003c\/p\u003e \u003cp\u003e14.3.3 Survey of Results 316\u003c\/p\u003e \u003cp\u003e14.3.3.1 Finite-Dimensional Case 317\u003c\/p\u003e \u003cp\u003e14.3.3.2 Infinite-Dimensional Case 318\u003c\/p\u003e \u003cp\u003e14.4 Covert Communication 320\u003c\/p\u003e \u003cp\u003e14.4.1 System Model 321\u003c\/p\u003e \u003cp\u003e14.4.2 Survey of Results 323\u003c\/p\u003e \u003cp\u003e14.5 Conclusion 325\u003c\/p\u003e \u003cp\u003eAcknowledgments 326\u003c\/p\u003e \u003cp\u003eReferences 326\u003c\/p\u003e \u003cp\u003e\u003cb\u003e15 Leveraging the Physical Layer to Achieve Practically Feasible Confidentiality and Authentication 331\u003cbr\u003e \u003c\/b\u003e\u003ci\u003eMarco Baldi and Linda Senigagliesi\u003c\/i\u003e\u003c\/p\u003e \u003cp\u003e15.1 Introduction 331\u003c\/p\u003e \u003cp\u003e15.2 System Model 332\u003c\/p\u003e \u003cp\u003e15.3 Confidentiality at the Physical Layer in Practical Settings 335\u003c\/p\u003e \u003cp\u003e15.3.1 Joining Physical-Layer Security with Cryptography 336\u003c\/p\u003e \u003cp\u003e15.3.2 Dealing with Variable Channel Quality Through On–Off Transmissions 338\u003c\/p\u003e \u003cp\u003e15.4 Authentication at the Physical Layer in Practical Settings 342\u003c\/p\u003e \u003cp\u003e15.4.1 PLA Metrics 344\u003c\/p\u003e \u003cp\u003e15.5 Numerical Experiments 345\u003c\/p\u003e \u003cp\u003e15.5.1 Physical-Layer Confidentiality Examples 345\u003c\/p\u003e \u003cp\u003e15.5.2 Physical-Layer Authentication Examples 347\u003c\/p\u003e \u003cp\u003e15.6 Conclusion 351\u003c\/p\u003e \u003cp\u003eReferences 351\u003c\/p\u003e \u003cp\u003eIndex 355\u003c\/p\u003e\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cfont size=\"3\"\u003eSubject Areas: Electronics \u0026amp; communications engineering [\u003ca title=\"See our other books on Electronics \u0026amp; communications engineering\" 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