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emerging wireless multimedia services and technologies phần 1 pps

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[...]... Chain 5.A .1 MAC/PHY Layer Overheads 5.A.2 Link Model 5.A.3 Backoff Procedure 5.A.4 Throughput Analysis for EDCA Bursting References 13 2 13 2 13 3 13 3 13 5 13 6 13 7 13 7 13 9 14 0 14 1 14 3 14 3 14 4 14 6 14 6 14 6 14 8 14 9 14 9 15 0 15 1 15 2 15 2 6 16 9 Wireless Multimedia Personal Area Networks: An Overview 15 4 15 5 15 5 15 5 15 6 15 6 15 6 15 8 16 1 16 5 16 6 Minal Mishra, Aniruddha Rangnekar and Krishna M Sivalingam 6 .1 Introduction... History 11 .1. 3 Standardization 11 .1. 4 Issues 11 .1. 5 Overview of Chapter 11 .2 Client 11 .2 .1 Desktop 11 .2.2 Mobile 11 .3 Design Considerations 11 .3 .1 Basic Functional Elements 11 .3.2 Basic System Concepts 11 .3.3 Management Aspects 11 .3.4 Service Architectures: Client-server and Peer-to-peer 11 .4 Protocols 11 .4 .1 OMA Wireless Village 11 .4.2 IETF SIP/SIMPLE 11 .4.3 XMPP 11 .4.4 Functional Comparison 11 .4.5 Gateways... Network Topologies 6.6.3 Overview of 802 .15 .4 Standard 6.7 Summary References 7 17 9 18 0 18 0 18 1 18 1 18 3 18 4 18 4 18 4 18 6 18 8 19 0 19 1 19 1 19 4 19 5 19 5 19 6 19 7 19 7 QoS Provision in Wireless Multimedia Networks 19 9 Nikos Passas and Apostolis K Salkintzis 7 .1 Introduction 7.2 QoS in WLANs 7.2 .1 QoS During Handover 7.2.2 Traffic Scheduling in 802 .11 e 7.3 RSVP over Wireless Networks 7.4 QoS in Hybrid 3G/WLAN... and Usability Issues 10 .3 MMS Format 10 .3 .1 MMS PDU 10 .4 Transaction Flows 10 .5 MMS-based Value-added Services 10 .5 .1 Survey of MMS-based Services 10 .6 MMS Development Tools 10 .7 MMS Evolution References 11 Instant Messaging and Presence Service (IMPS) xiii 295 298 3 01 302 302 307 310 313 315 316 317 319 John Buford and Mahfuzur Rahman 11 .1 Introduction 11 .1. 1 Basic Concepts 11 .1. 2 Brief History 11 .1. 3... 11 .4.5 Gateways 11 .4.6 Standard APIs 11 .5 Security and Protocols 11 .5 .1 Authentication, Confidentiality/Privacy and Integrity 11 .5.2 Spam in IM 11 .5.3 Gateways and End-to-End Services 11 .5.4 Denial of Service 11 .5.5 Security Features of Specific Standards 11 .6 Evolution, Direction and Challenges 11 .6 .1 Rich Presence 11 .6.2 Home Appliance Control 11 .6.3 Context-Aware Instant Messaging 11 .6.4 Virtual Presence... VoIP in IEE 802 .11 e 5.9 .1 Comparison of Simulation and Analysis for VoIP Traffic 5 .10 Video Transmission Over IEEE 802 .11 E 5 .10 .1 Scenario 1: System Efficiency 5 .10 .2 Scenario 2: TXOP Limit vs Medium Accessing Frequency 5 .11 Comparison of HiperLAN/2 and IEEE 802 .11 E 5 .11 .1 Protocol Overhead 5 .11 .2 Comparison of Features 5 .12 Conclusions 5.A Appendix: Analysis of the Frame Error Rate and Backoff Process... Key Elements 13 .3.2 Interfaces 13 .4 Standardization 13 .4 .1 OMA 13 .4.2 3GPP and 3GPP2 13 .4.3 IETF 13 .5 Service Access 13 .5 .1 Service Control 13 .5.2 Floor Control 13 .5.3 Media 13 .6 Performance 13 .6 .1 Voice Delay on GPRS 13 .6.2 Packet Arrival Jitter 13 .6.3 Call Setup Delay on GPRS 13 .6.4 Call Setup Optimizations 13 .6.5 Talker Arbitration Delay on GPRS 13 .6.6 Capacity Impacts on GPRS Networks 13 .6.7 PTT... 6.2 Multimedia Information Representation 6.3 Bluetooth1 (IEEE 802 .15 .1) 6.3 .1 The Bluetooth1 Protocol Stack 6.3.2 Physical Layer Details 6.3.3 Description of Bluetooth1 Links and Packets 6.3.4 Link Manager 6.3.5 Secret Discovery and Connection Establishment 16 9 17 0 17 2 17 3 17 4 17 4 17 6 17 7 Contents xi 6.3.6 Bluetooth1 Security 6.3.7 Application Areas 6.4 Coexistence with Wireless LANs (IEEE 802 .15 .2)... 249 250 2 51 252 252 254 255 256 256 258 Part Two Wireless Multimedia Applications and Services 9 Wireless Application Protocol (WAP) 263 Alessandro Andreadis and Giovanni Giambene 9 .1 Introduction to WAP Protocol and Architecture 9 .1. 1 WAP-based Multimedia Services: Potentials and Limitations 9.2 WAP Protocol Stack 9.2 .1 Wireless Application Environment 9.2.2 Wireless Session Protocol 9.2.3 Wireless. .. Experimented and Implemented WAP Services References 10 Multimedia Messaging Service (MMS) 263 266 267 267 269 2 71 273 275 275 276 277 278 279 280 282 282 286 290 293 Alessandro Andreadis and Giovanni Giambene 10 .1 Evolution From Short to Multimedia Message Services 10 .2 MMS Architecture and Standard 293 294 Contents 10 .2 .1 Detailed Description of MMS Architecture Elements 10 .2.2 Communications Interfaces 10 .2.3 . Rahman 11 .1 Introduction 319 11 .1. 1 Basic Concepts 319 11 .1. 2 Brief History 320 11 .1. 3 Standardization 3 21 11. 1.4 Issues 323 11 .1. 5 Overview of Chapter 323 11 .2 Client 323 11 .2 .1 Desktop 323 11 .2.2. Traffic 15 1 5 .10 Video Transmission Over IEEE 802 .11 E 15 2 5 .10 .1 Scenario 1: System Efficiency 15 2 Frequency 15 4 5 .11 Comparison of HiperLAN/2 and IEEE 802 .11 E 15 5 5 .11 .1 Protocol Overhead 15 5 5 .11 .2. 326 11 .4 Protocols 327 11 .4 .1 OMA Wireless Village 327 11 .4.2 IETF SIP/SIMPLE 3 31 11. 4.3 XMPP 335 11 .4.4 Functional Comparison 337 11 .4.5 Gateways 339 11 .4.6 Standard APIs 339 11 .5 Security and

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