LTE Introduction & Implementation

Introduction to LTE

• The evolution of the 3GPP cellular standards towards LTE
• LTE highlights and advantages over current technologies
• LTE Spectrum allocations world wide
• The status of LTE (trials, standardization, committed vendors and operators)

Some principles of radio communications

• The radio channel characteristics
• Multipath, group delay, fading, inter-symbol interference

OFDMA and SC-FDMA in LTE

• Principles of OFDMA
• OFDMA radio frame structure in LTE
• Principles of SC-OFDMA
• SC-OFDMA radio frame structure in LTE
• Slot structures and physical resources
• Downlink and uplink physical resource handling
• Transmission bandwidths and throughput

Multi-antenna techniques specified for LTE

• Benefits of multi-antenna techniques
• Multi-antenna configurations
• Multiple receive/transmit antennas
• Receive/transmit antenna diversity
• Transmitter-side beam-forming
• Spatial multiplexing

The channel structure in E-UTRAN

• E-UTRAN logical channel structure
• E-UTRAN transport channel structure
• Physical layer channel structure
• The details of the E-UTRAN, Physical Layer

LTE-EPC Network Architecture

• Roles of HSS, MME, S-GW, P-GW, and PCRF
• Main interfaces, their role and related protocols
• Key features and services
• Roaming and non-roaming architecture

LTE-EPC Protocols

• Roles of EMM and ESM
• GTPv2-C and GTP-U
• Roles of SCTP and diameter

LTE-EPC Signaling Fundamentals

• Network and UE identities
• EPS and signaling bearers
• PDN connections and APNs

Network Access in LTE-EPC

• Initial attach procedure
• MME, S-GW and P-GW selection
• Default EPS bearer setup
• IP address allocation

Session Establishment and PDN Connectivity

• Dedicated EPS bearer setup
• Multiple PDN connectivity
• EMM states
• Paging operation
• Dedicated bearer deactivation
• Dedicated bearer modification

Mobility management overview

• Mobility in IDLE mode
• Cell reselection principles
• Mobility in ACTIVE Mode
• Intra E-UTRAN mobility S1 and X2 based handover
• Mobility with other non-3GPP access systems
• Inter (3GPP) system mobility

Security in LTE-EPC

• Security architecture
• Authentication and Key Agreement (AKA)
• NAS and AS security

QoS Framework in LTE-EPC

• PCC architecture
• AF, PCRF, PCEF, SPR
• QoS class identifiers
• Traffic flow templates

Support for Voice

• Circuit-Switched Fallback (CSFB)
• VoLTE
• Voice Call Continuity (VCC)
• Single Radio Voice Call Continuity (SRVCC)

Deployment Considerations

• Evolving to EPC network
• Interworking with Release 8 and Pre-Release 8 3GPP networks
• Interworking with Non-3GPP networks

Highlights of LTE advanced

• Rel. 10-11 highlights
• Small cell and HetNet Technology
• SON for LTE

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