emerging wireless multimedia services and technologies phần 2 pdf

... accelerations in Kƍ and K are dictated by the Lorentz transformation and it is a simple matter to calculate the relation. It reads . )(1 1 , )(1 1 , )(1 1 2 3 2 2 1 2 3 2 2 2 2 2 1 2 2 2 2 1 2 3 2 1 2 1 2 1 2 1 2 1 2 dt xd td xd dt xd td xd dt xd td xd dt dx c dt dx c dt dx c  ... and third Maxwell equation and make use of the ether relation...

Ngày tải lên: 23/07/2014, 16:21

... methods. WAP-181-TAWP -20 00 121 3-a, WAP Work Processes, December, 20 00. RFC 20 26, The Internet Standards Process – Revision 3, October, 1996. Mobile Messaging Technologies and Services3 4 3.7.6 Coding ... as SMS and EMS, are also applicable to 2G and 2. 5G systems. 2. 2.1 3GPP Structure The 3GPP standardization process strictly defines how partners should coordinate th...

Ngày tải lên: 09/08/2014, 19:22

... 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 ... 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...

Ngày tải lên: 14/08/2014, 12:20

... representation CIF 28 8 Â 3 52 NO 4 :2: 0 QCIF 144 Â 176 NO 4 :2: 0 SQCIF 96 Â 128 NO 4 :2: 0 SIF- 625 28 8 Â3 52 25 NO 4 :2: 0 SIF- 525 24 0 Â3 52 30 NO 4 :2: 0 PAL 576 Â 720 25 YES 4 :2: 2 NTSC 486 Â 720 29 .97 YES 4 :2: 2 HDTV 720 ... 573–5 82, September/October 1994. [20 ] ITU-T, Recommendation G. 722 .2 – wideband coding of speech at around 16 kbit/s using adaptive multi-rate w...

Ngày tải lên: 14/08/2014, 12:20

... RTP packet.  G7 23: G7 23 is specified in ITU Recommendation G.7 23. 1, ‘Dual-rate speech coder for multimedia communications transmitting at 5 .3 and 6 .3 kbit/s’. The G.7 23. 1 5 .3/ 6 .3 kbit/s codec was ... PSS; Protocols and codecs (Rel.6.1.0, 09-2004). [34 ] 3GPP TR22. 233 : Technical Specification Group Services and System Aspects; Transparent end-to-end PSS; Stage 1 (Rel...

Ngày tải lên: 14/08/2014, 12:20

... 1 .47 5 200 3.129 1.839 40 0 3.856 2.566 600 4. 583 3.293 800 5.310 4. 020 1000 6.038 4. 748 1200 6.765 5 .47 5 140 0 7 .49 2 6.202 1600 8.220 6.930 1800 8. 947 7.657 2000 9.6 74 8.3 84 2200 10 .40 1 ... provided via two mechanisms: the user priority and the frame lifetime. Emerging Wireless Multimedia: Services and Technologies Edited by A. Salkintzis and N. P...

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 4488 50 16 58 08 6336 6864 7392 7920 8448 8976 950 4 10032 MHz ... Mode 1 is mandatory and operates in frequency bands 1–3, i.e. Group A. Mode 2 is optional and uses seven frequency bands, three bands from group A and four bands from group C. Gro...

Ngày tải lên: 14/08/2014, 12:20

... 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 10 Number of UMTS roamers MSDU loss rate for data ... teleservices and supplementary services, for compatibility, the UMTS architecture emphasizes service capabilities, that is, parametric bearer services and mechanisms required to im...

Ngày tải lên: 14/08/2014, 12:20

... display size and limited bandwidth requirements, to access services and applications in an efficient manner. WAE allows the creation of systems and services that are specifically tailored for wireless ... 2003, RFC 3455. [ 17] M. Handley and V. Jacobson. SDP: Session Description Protocol, April 1998, RFC 23 27. [18] K.D. Wong and V.K. Varma, Supporting real-time IP multimedia...

Ngày tải lên: 14/08/2014, 12:20

... 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 comp...

Ngày tải lên: 14/08/2014, 12:20

... June 199 9. [24] P. Saint-Andre, Mapping the Extensible Messaging and Presence Protocol (XMPP) to Common Presence and Instant Messaging (CPIM), IETF RFC 392 2, October 4 2004. [25] B. Campbell and ... 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: Servi...

Ngày tải lên: 14/08/2014, 12:20

... dispatch and delivery route optimization;  monitoring person location, which includes data for health care, emergency calls and prisoner tagging; Emerging Wireless Multimedia: Services and Technologies ... Hadjiefthymiades and L. Merakos Using XML and related standards to support location based services, in Proc. SAC’2004, 19th ACM Symposium on Applied Computing, Web Tec...

Ngày tải lên: 14/08/2014, 12:20

... consider the merits and place of each. Ethernet Ethernet (also known as IEEE 8 02. 3) is the most extensively used network technology. The most widely installed Ethernet systems are called 10BASE-T ... learners. Wiley Publishing, Inc. E- learning Tools and Technologies X Networks for e- learning X 69 5 Networks for e- learning The main LAN technologies are Ethernet an...

Ngày tải lên: 14/08/2014, 12:21