andmeside irt 0030 loeng 3 - lr.ttu.ee · multiradio 55. spektri kasutuse ... nsn bi forecast, aug...
TRANSCRIPT
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Areng
52
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Lairiba
53
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Ühildamatus
54
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Multiradio
55
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Spektri kasutuse efektiivsus
56
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57
Mobility
• Mobility is the killer-app for Broadband Wireless
Access
– Mobile voice is well-established (rapidly replacing
wireline)
– Mobile multimedia data is becoming more important
• But, competition is significantly more brutal here …
Metro-scale WLANs, Mesh networks, … 4G(?)
• Multi-technology solutions will predominate - Issues related to
the real-time, QoS provisioning can be addressed but never
perfectly
• Business model for competing in this field is currently unclear
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Erinevad seadmed (dB)
58
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Sageduskasutus täna… (‘10)
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60
Mistahes... (... any ...)
Web Content
Communications Data
Enterprise Data
Directory Data
Application Data
Any Data(to which the user is entitled)
Over Any
Radio Network
PANs, LANs,
CANs, MANs, WANs
GSM, CDMA, TDMA, PCS,
GPRS, PDC, WLAN, 3G UWB
etc…...
To Any Device
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61
Võrgud
Personal-area
networks
Satellite
networks,
GPS
WANs
Metro
broadband
networks
Home
networks
Cable
replacement,
room
networks
Sensor networks
P2P networks
Campus networks
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Mobiilterminali tehnoloogiad
NSN BI Forecast, Aug 2007
0
500
1 000
1 500
2 000
2 500
3 000
3 500
4 000
4 500
5 000
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Su
bscri
pti
on
s in
millio
n
0%
20%
40%
60%
80%
100%
120%
Pen
etr
ati
on
Global Mobile subscriptions by technology (m)
Other
CDMA
GSM
WCDMA
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Preparation
& Planning
Testing &
Assessment
Collaborative work
Process timeline
Classroom
Work mode
Self study / homework
Virtual Learning
Environment
Koolikasutus
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64
Kooskasutus
Applications/Capabilities
• Data, voice, video, multimedia
• One contact list, calendar and voice mail
• Single sign-on, multiple devices and applications
• Centralized presence status (online, busy, offline) for all applications and devices
Mobile phone#
Identity Convergence
IM
SMS/MMS
Fixed phone#
User ID#
Seamless
Wireline
Cellular
WLAN - WiFi
WMAN - WiMAX
Handoff
Network Convergence
Device Convergence
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Mobiilsus
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66
Wireless broadband
HSPA
1XEvDo
TD-CDMA
TD-SCDMAiBurst
Flash-OFDMA
WiBro
WiMAX 802.16-2004
WiMAX 802.16-2005
LTE
Wifi
802.16 m
802.20
802.22…
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Ajakava
WCDMA
GSM, EDGE
WiMAX-802.16d (Fixed)
WiMAX-802.16e (Mobile)
EDGE Evolution
HSPA HSPA+
I-HSPA (pre-LTE)
LTE
2006 2007 2008 2009 2010
TD-SCDMA
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68
Terminali mobiilsus
Indoor/outdoor
modems
Residential
gateways
Laptops, PC Card Laptops PDAs
Mobile phone
Laptops PDAs Laptops PDAs
CPE for fixed
application
Laptops, PDA, internet tablets and mobile
devices for portable/mobile application
Fixedaccess
PortableNomadicFullmobility
Simplemobility
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Features of IPv6
Virtually unlimited number of addressesIPv4: Total 4.3B IPv6:3.4X1028 per capita.
Hierarchical Addressing
Efficient network administration
Security function is standard
Authentication in EC etc., secured traffic
Framework for QoS guarantee (flow label):
Stream data (voice, video)
Easy configuration by Plug&Play
IP enabled information appliance
Multicasting is standard
one-to-many, conversion of broadcasting and communications
Interconnection with Mobile Network
Seamless interworking between fixed network and mobile
network via MobileIP
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Lingid (3)
http://en.wikipedia.org/wiki/Customised_Application
s_for_Mobile_networks_Enhanced_Logic
http://www.gsmworld.com/
http://www.mobileworldcongress.com/
http://www.gsmworld.com/our-
work/mobile_broadband/index.htm
http://en.wikipedia.org/wiki/Broadband_wireless_acc
ess