4g Wireless Video Communications

Description:
A comprehensive presentation of the video communication techniques and systems, this book examines 4G wireless systems which are set to revolutionise ubiquitous multimedia communication.4G Wireless Video Communications covers the fundamental theory and looks at systems' descriptions with a focus on digital video. It addresses the key topics associated with multimedia communication on 4G networks, including advanced video coding standards, error resilience and error concealment techniques, as well as advanced content-analysis and adaptation techniques for video communications, cross-layer design and optimization frameworks and methods. It also provides a high-level overview of the digital video compression standard MPEG-4 AVC/H.264 that is expected to play a key role in 4G networks. Material is presented logically allowing readers to turn directly to specific points of interest. The first half of the book covers fundamental theory and systems, while the second half moves onto advanced techniques and applications. This book is a timely reflection of the latest advances in video communications for 4G wireless systems.* One of the first books to study the latest video communications developments for emerging 4G wireless systems* Considers challenges and techniques in video delivery over 4G wireless systems* Examines system architecture, key techniques and related standards of advanced wireless multimedia applications* Written from both the perspective of industry and academia

Table of Contents:
Forword. Preface. About the Authors. About the Series Editors. 1 Introduction. 1.1 Why 4G? 1.2 4G Status and Key Technologies. 1.2.1 3GPP LTE. 1.2.2 Mobile WiMAX. 1.3 Video Over Wireless. 1.3.1 Video Compression Basics. 1.3.2 Video Coding Standards. 1.3.3 Error Resilience. 1.3.4 Network Integration. 1.3.5 Cross-Layer Design for Wireless Video Delivery. 1.4 Challenges and Opportunities for 4G Wireless Video. References. 2 Wireless Communications and Networking. 2.1 Characteristics and Modeling of Wireless Channels. 2.1.1 Degradation in Radio Propagation. 2.1.2 Rayleigh Fading Channel. 2.2 Adaptive Modulation and Coding. 2.2.1 Basics of Modulation Schemes. 2.2.2 System Model of AMC. 2.2.3 Channel Quality Estimation and Prediction. 2.2.4 Modulation and Coding Parameter Adaptation. 2.2.5 Estimation Error and Delay in AMC. 2.2.6 Selection of Adaptation Interval. 2.3 Orthogonal Frequency Division Multiplexing. 2.3.1 Background. 2.3.2 System Model and Implementation. 2.3.3 Pros and Cons. 2.4 Multiple-Input Multiple-Output Systems. 2.4.1 MIMO System Model. 2.4.2 MIMO Capacity Gain: Multiplexing. 2.4.3 MIMO Diversity Gain: Beamforming. 2.4.4 Diversity-Multiplexing Trade-offs. 2.4.5 Space-Time Coding. 2.5 Cross-Layer Design of AMC and HARQ. 2.5.1 Background. 2.5.2 System Modeling. 2.5.3 Cross-Layer Design. 2.5.4 Performance Analysis. 2.5.5 Performance. 2.6 Wireless Networking. 2.6.1 Layering Network Architectures. 2.6.2 Network Service Models. 2.6.3 Multiplexing Methods. 2.6.4 Connection Management in IP-Based Data Networks. 2.6.5 QoS Handoff. 2.7 Summary. References. 3 Video Coding and Communications. 3.1 Digital Video Compression - Why and How Much? 3.2 Basics. 3.2.1 Video Formats. 3.2.1.1 Scanning. 3.2.1.2 Color. 3.2.1.3 Luminance, Luma, Chrominance, Chroma. 3.3 Information Theory. 3.3.1 Entropy and Mutual Information. 3.3.2 Encoding of an Information Source. 3.3.3 Variable Length Coding. 3.3.4 Quantization. 3.4 Encoder Architectures. 3.4.1 DPCM. 3.4.2 Hybrid Transform-DPCM Architecture. 3.4.3 A Typical Hybrid Transform DPCM-based Video Codec. 3.4.4 Motion Compensation. 3.4.5 DCT and Quantization. 3.4.6 Procedures Performed at the Decoder. 3.5 Wavelet-Based Video Compression. 3.5.1 Motion-Compensated Temporal Wavelet Transform Using Lifting. References. 4 4G Wireless Communications and Networking. 4.1 IMT-Advanced and 4G. 4.2 LTE. 4.2.1 Introduction. 4.2.2 Protocol Architecture. 4.2.2.1 E-UTRAN Overview Architecture. 4.2.2.2 User Plane and Control Plane. 4.2.2.3 LTE Physical Layer. 4.2.3 LTE Layer 2. 4.2.4 The Evolution of Architecture. 4.2.5 LTE Standardization. 4.3 WIMAX-IEEE 802.16m. 4.3.1 Network Architecture. 4.3.2 System Reference Model. 4.3.3 Protocol Structure. 4.3.3.1 MAC Layer. 4.3.3.2 PHY Layer. 4.3.4 Other Functions Supported by IEEE 802.16m for Further Study. 4.4 3GPP2 UMB. 4.4.1 Architecture Reference Model. 4.4.2 Layering Architecture and Protocols. Acknowledgements. References. 5 Advanced Video Coding (AVC)/H.264 Standard. 5.1 Digital Video Compression Standards. 5.2 AVC/H.264 Coding Algorithm. 5.2.1 Temporal Prediction. 5.2.1.1 Motion Estimation. 5.2.1.2 P and B MBs. 5.2.1.3 Multiple References. 5.2.1.4 Motion Estimation Accuracy. 5.2.1.5 Weighted Prediction. 5.2.1.6 Frame and Field MV. 5.2.1.7 MV Compression. 5.2.2 Spatial Prediction. 5.2.3 The Transform. 5.2.3.1 4 x 4 Integer DCT and Inverse Integer DCT Transform. 5.2.3.2 8 x 8 Transform. 5.2.3.3 Hadamard Transform for DC. 5.2.4 Quantization and Scaling. 5.2.5 Scanning. 5.2.6 Variable Length Lossless Codecs. 5.2.6.1 Exp-Golomb Code. 5.2.6.2 CAVLC (Context Adaptive VLC). 5.2.6.3 CABAC. 5.2.7 Deblocking Filter. 5.2.8 Hierarchy in the Coded Video. 5.2.8.1 Basic Picture Types (I, P, B, BR). 5.2.8.2 SP and SI Pictures. 5.2.9 Buffers. 5.2.10 Encapsulation/Packetization. 5.2.11 Profiles. 5.2.11.1 Baseline Profile. 5.2.11.2 Extended Profile. 5.2.11.3 Main Profile. 5.2.11.4 High Profile. 5.2.11.5 High10 Profile. 5.2.11.6 High 4:2:2 Profile. 5.2.11.7 High 4:4:4 Predictive Profile. 5.2.11.8 Intra Only Profiles. 5.2.12 Levels. 5.2.12.1 Maximum Bit Rates, Picture Sizes and Frame Rates. 5.2.12.2 Maximum CPB, DPB and Reference Frames. 5.2.13 Parameter Sets. 5.2.13.1 Sequence Parameter Sets (SPS). 5.2.13.2 Picture Parameter Sets (PPS). 5.2.14 Supplemental Enhancement Information (SEI). 5.2.15 Subjective Tests. References. 6 Content Analysis for Communications. 6.1 Introduction. 6.2 Content Analysis. 6.2.1 Low-Level Feature Extraction. 6.2.1.1 Edge. 6.2.1.2 Shape. 6.2.1.3 Color. 6.2.1.4 Texture. 6.2.1.5 Motion. 6.2.1.6 Mathematical Morphology. 6.2.2 Image Segmentation. 6.2.2.1 Threshold and Boundary Based Segmentation. 6.2.2.2 Clustering Based Segmentation. 6.2.2.3 Region Based Approach. 6.2.2.4 Adaptive Perceptual Color-Texture Segmentation. 6.2.3 Video Object Segmentation. 6.2.3.1 COST211 Analysis Model. 6.2.3.2 Spatial-Temporal Segmentation. 6.2.3.3 Moving Object Tracking. 6.2.3.4 Head-and-Shoulder Object Segmentation. 6.2.4 Video Structure Understanding. 6.2.4.1 Video Abstraction. 6.2.4.2 Video Summary Extraction. 6.2.5 Analysis Methods in Compressed Domain. 6.3 Content-Based Video Representation. 6.4 Content-Based Video Coding and Communications. 6.4.1 Object-Based Video Coding. 6.4.2 Error Resilience for Object-Based Video. 6.5 Content Description and Management. 6.5.1 MPEG-7. 6.5.2 MPEG-21. References. 7 Video Error Resilience and Error Concealment. 7.1 Introduction. 7.2 Error Resilience. 7.2.1 Resynchronization Markers. 7.2.2 Reversible Variable Length Coding (RVLC). 7.2.3 Error-Resilient Entropy Coding (EREC). 7.2.4 Independent Segment Decoding. 7.2.5 Insertion of Intra Blocks or Frames. 7.2.6 Scalable Coding. 7.2.7 Multiple Description Coding. 7.3 Channel Coding. 7.4 Error Concealment. 7.4.1 Intra Error Concealment Techniques 7.4.2 Inter Error Concealment Techniques. 7.5 Error Resilience Features of H.264/AVC. 7.5.1 Picture Segmentation. 7.5.2 Intra Placement. 7.5.3 Reference Picture Selection. 7.5.4 Data Partitioning. 7.5.5 Parameter Sets. 7.5.6 Flexible Macroblock Ordering. 7.5.7 Redundant Slices (RSs). References. 8 Cross-Layer Optimized Video Delivery over 4G Wireless Networks. 8.1 Why Cross-Layer Design? 8.2 Quality-Driven Cross-Layer Framework. 8.3 Application Layer. 8.4 Rate Control at the Transport Layer. 8.4.1 Background. 8.4.2 System Model. 8.4.3 Network Setting. 8.4.4 Problem Formulation. 8.4.5 Problem Solution. 8.4.6 Performance Evaluation. 8.5 Routing at the Network Layer. 8.5.1 Background. 8.5.2 System Model. 8.5.3 Routing Metric. 8.5.4 Problem Formulation. 8.5.5 Problem Solution. 8.5.6 Implementation Considerations. 8.5.7 Performance Evaluation. 8.6 Content-Aware Real-Time Video Streaming. 8.6.1 Background. 8.6.2 Background. 8.6.3 Problem Formulation. 8.6.4 Routing Based on Priority Queuing. 8.6.5 Problem Solution. 8.6.6 Performance Evaluation. 8.7 Cross-Layer Optimization for Video Summary Transmission. 8.7.1 Background. 8.7.2 Problem Formulation. 8.7.3 System Model. 8.7.4 Link Adaptation for Good Content Coverage. 8.7.5 Problem Solution. 8.7.6 Performance Evaluation. 8.8 Conclusions. References. 9 Content-based Video Communications. 9.1 Network-Adaptive Video Object Encoding. 9.2 Joint Source Coding and Unequal Error Protection. 9.2.1 Problem Formulation. 9.2.1.1 System Model. 9.2.1.2 Channel Model. 9.2.1.3 Expected Distortion. 9.2.1.4 Optimization Formulation. 9.2.2 Solution and Implementation Details. 9.2.2.1 Packetization and Error Concealment. 9.2.2.2 Expected Distortion. 9.2.2.3 Optimal Solution. 9.2.3 Application on Energy-Efficient Wireless Network. 9.2.3.1 Channel Model. 9.2.3.2 Experimental Results. 9.2.4 Application on Differentiated Services Networks. 9.3 Joint Source-Channel Coding with Utilization of Data Hiding. 9.3.1 Hiding Shape in Texture. 9.3.2 Joint Source-Channel Coding. 9.3.3 Joint Source-Channel Coding and Data Hiding. 9.3.3.1 System Model. 9.3.3.2 Channel Model. 9.3.3.3 Expected Distortion. 9.3.3.4 Implementation Details. 9.3.4 Experimental Results. References. 10 AVC/H.264 Application - Digital TV. 10.1 Introduction. 10.1.1 Encoder Flexibility. 10.2 Random Access. 10.2.1 GOP Bazaar. 10.2.1.1 MPEG-2 Like, 2B, GOP Structure. 10.2.1.2 Reference B and Hierarchical GOP structures. 10.2.1.3 Low Delay Structure. 10.2.1.4 Editable Structure. 10.2.1.5 Others. 10.2.2 Buffers, Before and After. 10.2.2.1 Coded Picture Buffer. 10.2.2.2 Decoded Picture Buffer (DPB). 10.3 Bitstream Splicing. 10.4 Trick Modes. 10.4.1 Fast