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3G architecture and protocols
Seminar on 3G architecture and protocols
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Outline Concept of mobile communication Network Architecture
Procedures in UMTS IP Initiative
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Concept of Mobile Communication
Mobile communication is the communication between mobile bodies or that between mobile body and fixed body. Features : Mobility Radio propagation
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Evolution of Mobile Communications
3G (IMT-2000) 1G 2G GSM WCDMA AMPS Speech Data Speech Service Wideband CDMA IS95 CDMA2000 TACS TDMA IS-136 NMT UWC 136 Others PDC DECT Analog Digital Wideband Multimedia
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WHY 3G ? ? HIGHER TRANSFER RATE PACKET-SWITCHED NETWORK
GLOABALISED ROAMING REAL TIME APPLICATIONS VIDEO ON DEMAND
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ARCHITECTURE Uu Interface Iu Interface ACESS NETWORK USER EQUIPMENT
CORE NETWORK Uu Interface Iu Interface
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User Equipment Mobile equipment USIM Mobile Terminal Terminal eq’ment
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UE Functions 1) Mobile Termination Radio Attachment
Speech Encoding/Decoding Radio Channel management Rate Adaptation Man-Machine Interface Mobility Management
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2) Terminal Equipment Control of Hardware Access to Services 3) USIM
Universal Subscriber Identity Module Identity of Subscriber IMSI Subscriber Related Information
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UE Protocols Classification of UE Access Stratum Protocol
Non-access Stratum Protocol Classification of UE Single Radio Mode Multi-Radio Mode
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WCDMA Overview Direct-sequence CDMA Wideband Synchronization Aspect
Modes of Operation FDD D U TDD D U U Uplink D Downlink Unused
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Access Network TO CORE NETWORK BSS RNS BSC RNC BTS BTS NODE B NODE B
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Node-B
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Functions of UTRAN Transfer of User Data System Access Control
Security Functions Mobility Management Radio Resource Management Broadcast/Multicast Services
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UTRAN Protocols Physical Layer MAC Protocol Radio Link Control
Packet Data Convergence Protocol Broadcast/Multicast Control Radio Resource Control
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RNC Appearance Blank panel Sub-rack Cable tray Dust coverage
Power supply Cooling fan Sub-rack Cable tray Dust coverage
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CORE NETWORK Entities of core network Home Location Register
Authentication Center Equipment Identity Register SMS Entities Visitor Location Register
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Entities of core network
Mobile Switching Center (MSC) GATEWAY MSC SGSN GGSN GMLC Serving GPRS Support Node Gateway GPRS Support Node Gateway Mobile Location Center
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Functions of Core Network
Mobility Management Call Handling Session Management Messaging Services Security Functions Supplementary Services
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Procedures in UMTS Radio Resource Control Procedures
Mobility Management Call Handling Session Management
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Radio Resource Control
CELL_PCH CELL_FACH CELL_DCH URA_PCH IDLE MODE
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Paging To establish signaling connection Cell update procedure
Master information Block Info. Dedicated paging
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RRC connection SETUP UTRAN MS MS in Connected mode MS in IDLE mode
RRC connection request RRC connection setup MS in Connected mode RRC connection release
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Call Handling M GMSC M VMSC S VMSC S VLR HLR VLR Control signaling
Data path
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Session Management GGSN SGSN RNC PDCP Gn/Gp Uu interface Iu interface
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Mobility Management
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Mobility Management
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IP Initiatives SIGTRAN signaling transport
it includes many protocols like MTP3, ISUP, SCCP, TCAP, MAP etc. Functions Flow Control in-sequence delivery Logical Identification Error Detection SCTP
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IP Multi-media JAVA/html Applications SIP Session initiated protocol
IP Based network IMS Session initiated protocol UTRAN PS Domain to PSTN Network
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Thank you
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