emerging wireless multimedia services and technologies phần 8 pot

... portable and can allow a discreet reception of such contents. 314 Multimedia Messaging Service (MMS) WSDL (Web Services Description Language) and HTTP. The first two technologies, SOAP and XML, are ... to communicate and interact with each other to support the IMP services in a legacy CLI client. The Wireless Village Protocol Suite runs at the application level, and is compl...

Ngày tải lên: 14/08/2014, 12:20

... Overview of 80 2.11 Standard 181 6.4.2 80 2.11b and Bluetooth 1 Interference Basics 181 6.4.3 Coexistence Framework 183 6.5 High-Rate WPANs (IEEE 80 2.15.3) 184 6.5.1 Physical Layer 184 6.5.2 Network ... 232 References 232 8 Wireless Multimedia in 3G Networks 235 George Xylomenos and Vasilis Vogkas 8. 1 Introduction 235 8. 2 Cellular Networks 236 8. 2.1 First Generation 2...

Ngày tải lên: 14/08/2014, 12:20

... displacement between B n and M m . Understanding Video Characteristics 39 resulting transformed block, Y, is also 8 8 and is obtained as Y ¼ FX F T ð2: 38 where the real valued 8 8 DCT transformation ... why TCP is not suitable for real-time continuous media Emerging Wireless Multimedia: Services and Technologies Edited by A. Salkintzis and N. Passas # 2005 John Wiley...

Ngày tải lên: 14/08/2014, 12:20

... multimedia, services are going to be offered by the IP Multimedia Subsystem (IMS), which is largely based on IETF multimedia control protocols. However, Emerging Wireless Multimedia: Services and Technologies ... 88 Conference on Commu- nications Architectures and Protocols, 1 988 . [7] IETF RFC 2001. TCP Slow Start, Congestion Avoidance, Fast Retransmit, and Fast Recove...

Ngày tải lên: 14/08/2014, 12:20

... 1.475 200 3.129 1 .83 9 400 3 .85 6 2.566 600 4. 583 3.293 80 0 5.310 4.020 1000 6.0 38 4.7 48 1200 6.765 5.475 1400 7.492 6.202 1600 8. 220 6.930 180 0 8. 947 7.657 2000 9.674 8. 384 2200 10.401 ... DCF and IEEE 80 2.11e access mechanisms with Normal and No ACK policies using 80 2.11b and 80 2.11a PHY respectively. Fig- ure 5. 18 also shows the throughput efficiency...

Ngày tải lên: 14/08/2014, 12:20

... mostly # 1 BandBand Band BandBand Band Band Band Band Band Band Band Band # 2 # 3 # 5 # 6 # 7 # 8 # 9 # 10 # 11 # 12 # 13# 4 3432 MHz 3960 4 488 5016 580 8 6336 686 4 7392 7920 84 48 8976 9504 10032 MHz ... obstructions. In 2002, a new standard called 80 2.11g began to appear on the scene. 80 2.11g attempts to combine the best of both 80 2.11a and 80 2.11b. 80 2.11g 180 Wireless...

Ngày tải lên: 14/08/2014, 12:20

... entity of 80 2.11e (normally implemented in the AP) to 0.0E+00 1.0E-02 2.0E-02 3.0E-02 4.0E-02 5.0E-02 6.0E-02 7.0E-02 8. 0E-02 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 ... Protocol, IETF RFC 3 588 , September 2003. [ 28] Stefan Mangold, Sunghyun Choi, Guido R. Hiertz, Ole Klein and Bernhard Walke, Analysis of IEEE 80 2.11e for QoS support in Wireles...

Ngày tải lên: 14/08/2014, 12:20

... directions. 8. 8 Summary This chapter provided an introduction to the support for IP based multimedia services on 3G wireless cellular networks, focusing on the IP Multimedia Subsystem (IMS) and the Multimedia ... 2003, RFC 3455. [17] M. Handley and V. Jacobson. SDP: Session Description Protocol, April 19 98, RFC 2327. [ 18] K.D. Wong and V.K. Varma, Supporting real-time IP...

Ngày tải lên: 14/08/2014, 12:20

... domain, and how this may evolve as an instant communication offering in a multimedia world, fulfilling the vision of a Push-to-Anything future. Emerging Wireless Multimedia: Services and Technologies ... allows the handset client to immediately provide a talk proceed indication upon the PTT push, and spool the audio on the handset while the handset sends the INVITE and the t...

Ngày tải lên: 14/08/2014, 12:20

... scheduler, 142 traffic scheduling, 206 Video over 80 2.11e, 152 VoIP over 80 2.11e, 150 80 2.15.1, 172 80 2.15.2, 180 80 2.15.3, 184 80 2.15.3a, 191 80 2.15.4, 194 Index 433 Hierarchical MRSVP (HMRSVP), ... Function performance, 146 Point Coordination Function, 135 standardization, 136–137 80 2.11, 181 80 2.11, see IEEE 80 2.11 80 2.11b, see IEEE 80 2.11 80 2.11e, 137 ACK policies...

Ngày tải lên: 14/08/2014, 12:20