Next Generation Mobile Systems 3G and Beyond phần 10 docx

... IETF. Aboba B and Simon D 1999 PPP EAP TLS authentication protocol. Technical Report RFC 2716, IETF. Adachi F, Sawahashi M and Suda H 1998 Wideband DS-CDMA for next- generation mobile commu- nication systems. ... support for mobile devices 213 INDEX 379 generations of mobile- network technology 1, 4 GSM security standard 289 H.26x video coding standards 246–248 HCCA QoS standards...

Ngày tải lên: 14/08/2014, 09:21

... of Mobile Network Technologies While the first-, second-, and third -generation cellular networks are based on circuit switch- ing and provide voice-centric services, the next- generation (XG) mobile ... review of the main 3G architectures, those developed or proposed by the industry for the 3rd Generation Partnership Project (3GPP), 3rd Generation Partnership Project-2 (3GPP...

Ngày tải lên: 14/08/2014, 09:21

... scheme for the systems of IMT-2000 and beyond. 3.2.3 Principles of DS-CDMA and IS-95 This section reviews the principle of DS-CDMA, on which the 3G systems and beyond are based, and discusses ... scheme design. 74 RADIO ACCESS TECHNOLOGIES IN CELLULAR NETWORKS 0 5 10 15 20 25 30 SNR (dB) 10 10 10 –8 10 –6 10 –4 10 –2 10 0 BER BPSK QPSK 16-QAM 64-QAM Figure 3.21...

Ngày tải lên: 14/08/2014, 09:21

... for the Next Generation 1 1 Evolution of Mobile Networks and Services 3 1.1 TheEvolutionofMobileNetworks 4 1.2 TrendsinMobileServices 6 1.3 WhyNext -generation( XG)MobileSystems? 9 1.4 Next- generationImperatives ... others. 3G mobile networks are characterized by their ability to carry data at much higher rates than the 9.6 kbps (kilobits per second) Next Generation Mobile...

Ngày tải lên: 14/08/2014, 09:21

... are separate and some- what different fast handover protocols for Mobile IPv4 (El Malki 2004) and Mobile IPv6 (Koodli 2003a). This chapter describes the overall architecture of fast handover, with ... time, most of the standards have not yet been deployed or, in some cases, have not even been implemented as products. The large cellular standards organizations (3GPP and 3GPP2) are st...

Ngày tải lên: 14/08/2014, 09:21

... foreign agent in Mobile IPv4 and home agent in Mobile IPv4 and Mobile IPv6 are examples of routing proxies. A routing proxy obscures the mobile host’s location by allowing the mobile host to use a ... separate APIs, mobile terminal status and mobile terminal location. The mobile terminal status API allows applications to obtain the status of fixed, mobile, and IP-based...

Ngày tải lên: 14/08/2014, 09:21

... handsets and external resources (such as printers, vending machines, displays, and handsets), handsets and ubiquitous computing environments (such as offices, airports, and homes), and handsets and ... IPv6, and OBEX) • Remote and systems manageability (SNMP v2 Client, Device management client) • Standards support (such as UPnP, Bluetooth, XML and SOAP, and USB) • Extensi...

Ngày tải lên: 14/08/2014, 09:21

... is a new challenge for the new generation (Etoh and Takeshi 2004). 236 MULTIMEDIA CODING TECHNOLOGIES AND APPLICATIONS 10 1 10 2 10 3 10 4 10 5 20 0 20 40 60 80 100 120 140 160 180 Frequency ... increase in available bandwidth, 3G and XG mobile systems offer new possibilities and services. One of these new services will be the ability to stream sound and movies...

Ngày tải lên: 14/08/2014, 09:21

... <throw> and <catch> language constructs to handle and recover from errors in the processes. 10 Cryptographic Algorithms and Protocols for XG Craig Gentry and Zulfikar Ramzan 10. 1 Introduction Cryptography ... 3G, the large scale, pervasive, and heterogeneous nature of XG (as we envision it) will drive the demand for significantly more flexible and advanced cryptograp...

Ngày tải lên: 14/08/2014, 09:21

... third generation standards groups, 3GPP 6 and 3GPP2 (cdma2000 Wireless IP Network Standards-Draft 2001). This section briefly addresses current 3G AAA schemes for all-IP networks. 3GPP The 3rd Generation ... bases (for example, 3GPP, 3GPP2, and WLAN hotspots), deployment considerations (for example, uniformity in standards-based 3G terminals versus variability in WLAN access device...

Ngày tải lên: 14/08/2014, 09:21