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Long Term Evolution (LTE) Presentations

Rohde & Schwarz's presentations provide an excellent introduction to LTE. The presentations are accompanied with an audio narration. The topics covered are:

  1. LTE Introduction
  2. LTE Parameters and Downlink Modulation
  3. OFDMA and Downlink Frame Structure Details
  4. SC-FDMA and LTE Uplink
  5. Network and Protocol Architecture
  6. Channel Mapping and UE Categories
  7. Initial Cell Search and Cell Selection
  8. System Information
  9. Random Access Procedures and EPS Bearer Setup
  10. Uplink Channels and Signals
  11. LTE Mobility and MIMO Introduction
  12. Downlink and Uplink MIMO in LTE
  13. eNodeB and UE Performance Requirements
  14. UE Certification and Field Trials

Part 1: LTE Introduction

  • Motivations for LTE
  • LTE market and background
  • Requirements
  • Evolution path to LTE
  • LTE parameters and frequency bands
  • What is OFDMA?
  • OFDMA multiple access and downlink frame structure
  • OFDMA transmit and receive chains
  • Downlink OFDMA time-frequency multiplexing
  • LTE Spectrum Flexibility and Bandwidth
  • FDD downlink frame structure detailed
  • TDD frame structure
  • Introduction to SC-FDMA and uplink frame structure
    • Marriage of single carrier transmission and FDMA
  • Uplink SC-FDMA tranmsit and receive chains
  • Peak to Average Power Ratio (PAPR) comparison with SC-FDMA and OFDMA

Part 5: Network and Protocol Architecture

  • LTE/SAE network architecture
  • EPC -Evolved Packet Core
  • Base Station control plane and user plane protocol stacks
  • EPC protocol stacks

Part 6: Channel Mapping and UE Categories

  • Logical and transport channel mapping in downlink and uplink
  • LTE UE Categories

Part 7: Initial Cell Search and Cell Selection

  • Downlink physical channels and signals
  • Cell Search and Selection in LTE
    • Primary synchronization signal
    • Secondary synchronization signal
    • Reference signals

Part 8: System Information

  • Downlink reference signal details
  • Master Information Block on PBCH
  • System Information on DL-SCH

Part 9: Random Access Procedure and EPS Bearer Setup

  • Random access preamble transmission to eNodeB
  • Random access response from eNodeB
  • Resource allocation and contention resolution
  • Signaling on PDCCH
  • Hybrid ARQ
  • RRC Connection Setup and EPS Bearer Setup
  • Uplink physical channels and signals
  • PU-SCH: Physical Uplink Shared Channel
  • Uplink assignment signaling on PDCCH
  • Uplink frequency hopping
  • PUCCH

Part 11: LTE Mobility and MIMO Introduction

  • Intra MME Handover over the X2 interface
  • RRC States
  • MIMO Basics
    • Transmit diversity
    • Spatial multiplexing
    • Beamforming
  • Downlink MIMO modes
    • Transmit diversity
    • Spatial multiplexing
    • Cyclic delay diversity
    • Beam forming
  • Spatial multiplexing downlink transmitter chain
    • Code book based precoding
  • Uplink MIMO
    • Uplink transmit antenna selection
    • Multi-user MIMO

Part 13: eNodeB and UE RF Performance Requirements

  • eNodeB modulation quality measurements
  • eNodeB performance requirements
  • UE performance requirements

Part 14: UE Certification and Field Trials

  • LTE terminal testing stages
  • LTE terminal certification
  • LTE field trial scenarios