Next Generation Mobile Systems 3G and Beyond phần 3 docx
Next Generation Mobile Systems 3G and Beyond phần 3 docx
... 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 ... 2.4-2.4 835 GHz 2.4-2.4 835 GHz
bands and ( 83. 5 MHz) 5.725-5.825 GHz ( 83. 5 MHz) ( 83. 5 MHz)
bandwidth DSSS, FHSS (30 0 MHz) OFDM DSSS DSSS, OFDM
Number of 3 Indoor/ 4 In...
Next Generation Mobile Systems 3G and Beyond phần 2 docx
... 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 (3GPP2), and Mobile Wireless ... ALL-IP NEXT- GENERATION NETWORK ARCHITECTURE
Table 2.1 Evolution of 3GPP specifications
3GPP Freeze Date Highlights
Release
3GPP-R99 2000 Creation of UTRAN both in FDD and TDD
CAM...
Next Generation Mobile Systems 3G and Beyond phần 10 docx
... monitors
35 0 35 3
static managers 35 4 35 7
seamless mobility support
for mobile devices 2 13
INDEX 37 9
generations of mobile- network
technology 1, 4
GSM security standard 289
H.26x video coding standards ... Services and Systems Aspects.
3GPP 1999e Unstructured Supplementary Service Data (USSD); stage 3.
3GPP 1999f User-to-user signaling (UUS); stage 1.
3GPP 1999g User-to-use...
Next Generation Mobile Systems 3G and Beyond phần 1 doc
... 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 ... . . . . 33
2.2 .3 MWIF 36
2.2.4 Limitationsof3GArchitectures 39
2 .3 Approach to a Next- generation Architecture . . . . . . . . . . . . . . . . . 44
2 .3...
Next Generation Mobile Systems 3G and Beyond phần 4 ppsx
... 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 still discussing ... 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...
Next Generation Mobile Systems 3G and Beyond phần 5 ppsx
... 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...
Next Generation Mobile Systems 3G and Beyond phần 6 ppt
... 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...
Next Generation Mobile Systems 3G and Beyond phần 7 pdf
... images, GIF and PNG for bitmap graphics, H.2 63 and MPEG-4 for video, and Scal-
able Vector Graphics (SVG). MMS specifications and usages are given in (3GPP 2002b,e,
2003d).
The generic stereo and multichannel ... 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
an...
Next Generation Mobile Systems 3G and Beyond phần 8 pdf
... techniques that are
currently used in 2G and 3G systems. This includes secret-key cryptography, as used in GSM
and 3GPP systems, public-key cryptography, as used in SSL, and proposal for a general public-
key ... 3G, the large scale, pervasive, and heterogeneous nature of XG (as we
envision it) will drive the demand for significantly more flexible and advanced cryptographic
techn...
Next Generation Mobile Systems 3G and Beyond phần 9 doc
... bases (for example,
3GPP, 3GPP2, and WLAN hotspots), deployment considerations (for example, uniformity in
standards-based 3G terminals versus variability in WLAN access devices), and the availabil-
ity ... 11.12.
11 .3. 5 IP-based Cellular Networks
All-IP cellular networks are currently being considered by the third generation standards
groups, 3GPP
6
and 3GPP2 (cdma2000 Wireless I...
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