NGUYEN-SON VO, PhD, works with the Institute of Fundamental Applied Sciences at Duy Tan University, Vietnam. His research interests focus on content caching and delivering in wireless networks, multimedia wireless communications, quality of experience and sustainability provision in wireless networks for smart cities, and for disaster and environment management. TRUNG Q. DUONG (Fellow of IEEE and Fellow of AAIA) is a Canada Excellence Research Chair (CERC) and a Full Professor at Memorial University of Newfoundland, Canada. He is a Research Chair of the Royal Academy of Engineering and also an adjunct Chair Professor in Telecommunications at Queen’s University Belfast, UK. His research interests include quantum communications, quantum machine learning, quantum optimization, and wireless communications. TRANG HOANG, PhD, is an Associate Professor at the Faculty of Electricals-­Electronics Engineering, Ho Chi Minh City University of Technology, VNU-HCM, Vietnam. His research interests include quantum-inspired machine learning, optimization, AI for IC design and wireless communications.

• About the Authors xiPreface xiiiAcronyms xv1 An Overview of Multimedia Communications 11.1 Advanced Applications and Services in 6G Networks 11.2 MAS in 6G Networks 21.3 Techniques for 6G Multimedia Communications 31.4 Multimedia Communications in 6G Networks: Challenges and Research Directions 81.5 Conclusion 112 Encoding Rate Selection and Probabilistic Caching for Video Offloading in Dense D2D Networks 152.1 Introduction 152.2 RSC System for Video Offloading 172.3 Analysis and Formulation of RSC Model for Video Offloading 212.4 RSC Optimization Design 232.5 Performance Evaluation of RSC 262.6 Conclusion 323 Spectrum Sharing and Power Allocation for Video Transmission in Multi-hop Multi-path D2D Networks 353.1 Introduction 353.2 SPA Model for Video Transmission in MHMP D2D Networks 363.3 Analysis and Formulations of SPA Model 383.4 SPA Optimization Design 393.5 Performance Evaluation of SPA 413.6 Conclusion 494 Social-aware Spectrum Sharing and Caching Helper Selection for Video Multicasting in D2D Networks 534.1 Introduction 534.2 System Model for Video Multicasting in D2D Networks with SSC 544.3 Analysis and Formulations of SSC 564.4 SSC Optimization Design 594.5 Performance Evaluation of SSC 624.6 Conclusion 695 Resource Sharing and Multi-tier Multi-rate Caching for Cooperative Video Streaming in Ultra-dense Networks 735.1 Introduction 735.2 RMC Model for Cooperative Video Streaming 745.3 Analysis and Formulation of RMC Model 765.4 RMC Optimization Design 815.5 Performance Evaluation of RMC 825.6 Conclusion 856 Social-aware Resource Sharing and Caching for Cooperative Video Transmission in Ultra-dense Networks 896.1 Introduction 896.2 SRC Model for Cooperative Video Transmission 906.3 Formulation of SRC Model 926.4 SRC Optimization Design 966.5 Performance Evaluation of SRC 976.6 Conclusion 1057 Spectrum Sharing and Caching for Multimedia Applications and Services in Content Delivery Networks 1077.1 Introduction 1077.2 System Model of SCF 1087.3 Analysis and Formulation of SCF 1107.4 SCF Optimization Design 1127.5 Performance Evaluation of SCF 1157.6 Conclusion 1228 Joint Energy, Bandwidth, and Quality Optimization for Multimedia Applications and Services in Content Delivery Networks 1258.1 Introduction 1258.2 M-IoT System with EBQ Framework 1268.3 Analysis and Formulation of EBQ Optimization Framework 1298.4 ARA Optimization Problem and Solution 1338.5 Performance Evaluation 1368.6 Conclusion 1409 Active Duty Scheduling and Encoding Rate Allocation for Multimedia Applications and Services in Content Delivery Networks 1439.1 Introduction 1439.2 ADS-ARA Model 1449.3 ADS-ARA Formulation and Analysis 1469.4 ADS-ARA Optimization Design 1499.5 Performance Evaluation of ADS-ARA 1509.6 Conclusion 15710 Optimal Cooperative Video Streaming in Dense D2D Networks 16110.1 Introduction 16110.2 CVS System with RDO in Dense D2D Networks 16210.3 RDO Formulation and Analysis 16310.4 RDO Optimization Design 16910.5 Performance Evaluation of RDO 17210.6 Conclusion 18111 Cross-layer Optimization Design for Multimedia Applications and Services in Content Delivery Networks 18511.1 Introduction 18511.2 CLD Framework for MAS 18711.3 Analysis and Formulation of CLD Optimization Framework 19111.4 CLD Problem and Solution 19811.5 Performance Evaluation of CLD 20111.6 Conclusion 208References 208Index 211

NGUYEN-SON VO, PhD, works with the Institute of Fundamental Applied Sciences at Duy Tan University, Vietnam. His research interests focus on content caching and delivering in wireless networks, multimedia wireless communications, quality of experience and sustainability provision in wireless networks for smart cities, and for disaster and environment management. TRUNG Q. DUONG (Fellow of IEEE and Fellow of AAIA) is a Canada Excellence Research Chair (CERC) and a Full Professor at Memorial University of Newfoundland, Canada. He is a Research Chair of the Royal Academy of Engineering and also an adjunct Chair Professor in Telecommunications at Queen’s University Belfast, UK. His research interests include quantum communications, quantum machine learning, quantum optimization, and wireless communications. TRANG HOANG, PhD, is an Associate Professor at the Faculty of Electricals-­Electronics Engineering, Ho Chi Minh City University of Technology, VNU-HCM, Vietnam. His research interests include quantum-inspired machine learning, optimization, AI for IC design and wireless communications.

• About the Authors xiPreface xiiiAcronyms xv1 An Overview of Multimedia Communications 11.1 Advanced Applications and Services in 6G Networks 11.2 MAS in 6G Networks 21.3 Techniques for 6G Multimedia Communications 31.4 Multimedia Communications in 6G Networks: Challenges and Research Directions 81.5 Conclusion 112 Encoding Rate Selection and Probabilistic Caching for Video Offloading in Dense D2D Networks 152.1 Introduction 152.2 RSC System for Video Offloading 172.3 Analysis and Formulation of RSC Model for Video Offloading 212.4 RSC Optimization Design 232.5 Performance Evaluation of RSC 262.6 Conclusion 323 Spectrum Sharing and Power Allocation for Video Transmission in Multi-hop Multi-path D2D Networks 353.1 Introduction 353.2 SPA Model for Video Transmission in MHMP D2D Networks 363.3 Analysis and Formulations of SPA Model 383.4 SPA Optimization Design 393.5 Performance Evaluation of SPA 413.6 Conclusion 494 Social-aware Spectrum Sharing and Caching Helper Selection for Video Multicasting in D2D Networks 534.1 Introduction 534.2 System Model for Video Multicasting in D2D Networks with SSC 544.3 Analysis and Formulations of SSC 564.4 SSC Optimization Design 594.5 Performance Evaluation of SSC 624.6 Conclusion 695 Resource Sharing and Multi-tier Multi-rate Caching for Cooperative Video Streaming in Ultra-dense Networks 735.1 Introduction 735.2 RMC Model for Cooperative Video Streaming 745.3 Analysis and Formulation of RMC Model 765.4 RMC Optimization Design 815.5 Performance Evaluation of RMC 825.6 Conclusion 856 Social-aware Resource Sharing and Caching for Cooperative Video Transmission in Ultra-dense Networks 896.1 Introduction 896.2 SRC Model for Cooperative Video Transmission 906.3 Formulation of SRC Model 926.4 SRC Optimization Design 966.5 Performance Evaluation of SRC 976.6 Conclusion 1057 Spectrum Sharing and Caching for Multimedia Applications and Services in Content Delivery Networks 1077.1 Introduction 1077.2 System Model of SCF 1087.3 Analysis and Formulation of SCF 1107.4 SCF Optimization Design 1127.5 Performance Evaluation of SCF 1157.6 Conclusion 1228 Joint Energy, Bandwidth, and Quality Optimization for Multimedia Applications and Services in Content Delivery Networks 1258.1 Introduction 1258.2 M-IoT System with EBQ Framework 1268.3 Analysis and Formulation of EBQ Optimization Framework 1298.4 ARA Optimization Problem and Solution 1338.5 Performance Evaluation 1368.6 Conclusion 1409 Active Duty Scheduling and Encoding Rate Allocation for Multimedia Applications and Services in Content Delivery Networks 1439.1 Introduction 1439.2 ADS-ARA Model 1449.3 ADS-ARA Formulation and Analysis 1469.4 ADS-ARA Optimization Design 1499.5 Performance Evaluation of ADS-ARA 1509.6 Conclusion 15710 Optimal Cooperative Video Streaming in Dense D2D Networks 16110.1 Introduction 16110.2 CVS System with RDO in Dense D2D Networks 16210.3 RDO Formulation and Analysis 16310.4 RDO Optimization Design 16910.5 Performance Evaluation of RDO 17210.6 Conclusion 18111 Cross-layer Optimization Design for Multimedia Applications and Services in Content Delivery Networks 18511.1 Introduction 18511.2 CLD Framework for MAS 18711.3 Analysis and Formulation of CLD Optimization Framework 19111.4 CLD Problem and Solution 19811.5 Performance Evaluation of CLD 20111.6 Conclusion 208References 208Index 211

NGUYEN-SON VO, PhD, works with the Institute of Fundamental Applied Sciences at Duy Tan University, Vietnam. His research interests focus on content caching and delivering in wireless networks, multimedia wireless communications, quality of experience and sustainability provision in wireless networks for smart cities, and for disaster and environment management. TRUNG Q. DUONG (Fellow of IEEE and Fellow of AAIA) is a Canada Excellence Research Chair (CERC) and a Full Professor at Memorial University of Newfoundland, Canada. He is a Research Chair of the Royal Academy of Engineering and also an adjunct Chair Professor in Telecommunications at Queen’s University Belfast, UK. His research interests include quantum communications, quantum machine learning, quantum optimization, and wireless communications. TRANG HOANG, PhD, is an Associate Professor at the Faculty of Electricals-­Electronics Engineering, Ho Chi Minh City University of Technology, VNU-HCM, Vietnam. His research interests include quantum-inspired machine learning, optimization, AI for IC design and wireless communications.

• About the Authors xiPreface xiiiAcronyms xv1 An Overview of Multimedia Communications 11.1 Advanced Applications and Services in 6G Networks 11.2 MAS in 6G Networks 21.3 Techniques for 6G Multimedia Communications 31.4 Multimedia Communications in 6G Networks: Challenges and Research Directions 81.5 Conclusion 112 Encoding Rate Selection and Probabilistic Caching for Video Offloading in Dense D2D Networks 152.1 Introduction 152.2 RSC System for Video Offloading 172.3 Analysis and Formulation of RSC Model for Video Offloading 212.4 RSC Optimization Design 232.5 Performance Evaluation of RSC 262.6 Conclusion 323 Spectrum Sharing and Power Allocation for Video Transmission in Multi-hop Multi-path D2D Networks 353.1 Introduction 353.2 SPA Model for Video Transmission in MHMP D2D Networks 363.3 Analysis and Formulations of SPA Model 383.4 SPA Optimization Design 393.5 Performance Evaluation of SPA 413.6 Conclusion 494 Social-aware Spectrum Sharing and Caching Helper Selection for Video Multicasting in D2D Networks 534.1 Introduction 534.2 System Model for Video Multicasting in D2D Networks with SSC 544.3 Analysis and Formulations of SSC 564.4 SSC Optimization Design 594.5 Performance Evaluation of SSC 624.6 Conclusion 695 Resource Sharing and Multi-tier Multi-rate Caching for Cooperative Video Streaming in Ultra-dense Networks 735.1 Introduction 735.2 RMC Model for Cooperative Video Streaming 745.3 Analysis and Formulation of RMC Model 765.4 RMC Optimization Design 815.5 Performance Evaluation of RMC 825.6 Conclusion 856 Social-aware Resource Sharing and Caching for Cooperative Video Transmission in Ultra-dense Networks 896.1 Introduction 896.2 SRC Model for Cooperative Video Transmission 906.3 Formulation of SRC Model 926.4 SRC Optimization Design 966.5 Performance Evaluation of SRC 976.6 Conclusion 1057 Spectrum Sharing and Caching for Multimedia Applications and Services in Content Delivery Networks 1077.1 Introduction 1077.2 System Model of SCF 1087.3 Analysis and Formulation of SCF 1107.4 SCF Optimization Design 1127.5 Performance Evaluation of SCF 1157.6 Conclusion 1228 Joint Energy, Bandwidth, and Quality Optimization for Multimedia Applications and Services in Content Delivery Networks 1258.1 Introduction 1258.2 M-IoT System with EBQ Framework 1268.3 Analysis and Formulation of EBQ Optimization Framework 1298.4 ARA Optimization Problem and Solution 1338.5 Performance Evaluation 1368.6 Conclusion 1409 Active Duty Scheduling and Encoding Rate Allocation for Multimedia Applications and Services in Content Delivery Networks 1439.1 Introduction 1439.2 ADS-ARA Model 1449.3 ADS-ARA Formulation and Analysis 1469.4 ADS-ARA Optimization Design 1499.5 Performance Evaluation of ADS-ARA 1509.6 Conclusion 15710 Optimal Cooperative Video Streaming in Dense D2D Networks 16110.1 Introduction 16110.2 CVS System with RDO in Dense D2D Networks 16210.3 RDO Formulation and Analysis 16310.4 RDO Optimization Design 16910.5 Performance Evaluation of RDO 17210.6 Conclusion 18111 Cross-layer Optimization Design for Multimedia Applications and Services in Content Delivery Networks 18511.1 Introduction 18511.2 CLD Framework for MAS 18711.3 Analysis and Formulation of CLD Optimization Framework 19111.4 CLD Problem and Solution 19811.5 Performance Evaluation of CLD 20111.6 Conclusion 208References 208Index 211