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Kommunikatsioonivõrkudestruktuurid ja teenused
IRT0100Loeng 5 InfraK. 01. okt 2008
Avo Otstelekommunikatsiooni õppetool,
TTÜ raadio- ja sidetehnika [email protected]
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Teenindusala
WWAN
MAN
WLAN
PANAdjacent Near Field, Active RFID
Passive RFID
1M 10M100M 1 KM
1,000 KM
GSM-CSD, Motient, Mobitex, CDPD
GSM-GPRS 1xEVDOCdma 1xRTT
W-CDMA
GSM-EDGE 1xEVDV
PMR
TETRA
ProprietaryFixed Mesh 802.16, WiMAX
802.11b802.11 a,b,e,g,h,i,f,n
Bluetooth
802.15.4
UWBProprietary
PAN Range
(Cellular)
(Metropolitan)
(Personal)
(Campus)
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IEEE 802.3ba
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Bottlenecks
5
Penetration
6
Growth
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Speed
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Broadband
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Copper
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NGNQoS High
ReliabilityNetwork
ManagementSecurity Intelligent
Networking
VoIP
E-Commerce
Multi-Media
Multi-casting
MobileAccess
ValueAdded
ServicesVPN
•QoS and security for successful convergence
•Virtual Private Networks for converged networks and QoS
•Network management directories, policies and intelligent agents for decision support, configuration and QoS
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Industry convergence
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IMS layered architecture
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GSM + teised võrgud
Wireline
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xDSLCATV
PS domain SIP
SIP/H.323
SIP/H.323
3G/GSMGW
CS PLMN
WLAN
CS domain GSM
CDMA
WCDMA
EDGE
���������
��������������
�������IP
Multimediadomain
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Interoperability
Vendor YVendor XA B
IMS GRX GRX IMS
Carrier α Carrier β
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IP PhoneIPPBX
WLAN AP
Dual Mode Device (IP-PBX client)
Converged Fixed-Mobile
Fixed
Mobile
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GSM areng
GSM BSC GSM BSC
MGW
Connectivity backbone(IP, ..., TDM)
MSCServer
SGSNServer
SCP
Connectivity
Control
Services/Applications
HLR
Appl Servers
MGWGGSN
InternetIntranets
MGWPSTN/ISDN/
PLMN
MSCServer H.323
MGW
SIP
GSM BSC
PoC
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Juurdepääs
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3GPP IMS Release 6 ArchitectureTS 23.002 v.6.7.0
P-CSCF
IM Subsystem
CSCF MGCF HSS
Cx
IP Multimedia Networks
IMS-MGW
PSTN
Mn
Mb
Mg
Mm
MRFP
Mb
Mr
Mb
Legacy mobile signalling Networks
CSCF
Mw
Mw
Gm
BGCF Mj Mi
BGCF
Mk Mk
C, D, Gc, Gr
UE
Mb
Mb
Mb
MRFC
SLF Dx
Mp
PSTN
PSTN
Gq
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I M S
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IMS in 3GPP Release 5Frozen in March 2002
• IP Multimedia Subsystem (IMS) - Phase 1, basic
– Basic architecture
– Session Initiation Protocol (SIP) control
– Session Definition Protocol (SDP) control
– …
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IMS in 3GPP Release 6Frozen in March 2005
• IP Multimedia Subsystem (IMS) - Phase 2, enhancements
– 3GPP enablers for services like Push to Talk over Cellular (PoC)
• Group Management
– Conferencing
– Messaging
– Interworking with CS networks
– Lawful intercept
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Lingidhttps://effie.itcollege.ee/oppeaine.asp?id=177http://www.openmobilealliance.com/http://en.wikipedia.org/wiki/Next_Generation_Netwo
rkinghttp://en.wikipedia.org/wiki/Fixed-
Mobile_Convergence_Alliancehttp://en.wikipedia.org/wiki/IP_Multimedia_Subsyste
mhttp://www.ipmultimediasubsystem.com/
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Lingidhttp://en.wikipedia.org/wiki/IEEE_802.3ba
http://en.wikipedia.org/wiki/Road_to_100G
http://en.wikipedia.org/wiki/100_gigabit_Etherneh
http://www.theregister.co.uk/
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