kommunikatsioonivõrkude struktuurid ja teenused · 1 kommunikatsioonivõrkude struktuurid ja...

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Kommunikatsioonivõrkudestruktuurid ja teenused

IRT0100Loeng 5 InfraK. 01. okt 2008

Avo Otstelekommunikatsiooni õppetool,

TTÜ raadio- ja sidetehnika inst.avots@lr.ttu.ee

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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

4

Bottlenecks

5

Penetration

6

Growth

7

Speed

8

Broadband

9

Copper

10

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

12

IMS layered architecture

13

GSM + teised võrgud

Wireline

����

��������

�������

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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