Site icon Eogogics

LTE Tutorial

Part 1: Cellular Systems Design and Components

  • Introduction
    • The cellular concept and objectives
  • Radio signal propagation
    • Basic channel modeling
    • Signal strength vs distance
    • Impediments to propagation
  • Interference
    • Co-channel interference
    • Carrier-to-interference ratio
    • Adjacent channel interference
  • Frequency reuse and planning
    • Cellular hexagonal grid concept
    • Distance to reuse
    • Handoff strategies

Part 2: 3GPP Standards Evolution

  • 3GPP standardization process
    • The need for standardization
    • 3GPP structure and operation
  • Motives behind 3G evolution
    • Driving forces
    • Radio access evolution
    • Core network evolution
  • Summary of 3GPP standards
    • Summary of GSM operations
    • Summary of GPRS/EDGE operations
    • Summary of UMTS/WCDMA operations
    • Summary of HSPA operations
    • New technologies for LTE

Part 3: 3G Technology Development

  • The challenge of high data rates in mobile communications
    • Fundamental constraints
    • Higher order modulation for limited bandwidth applications
    • Wider bandwidth and multicarrier operation
  • Orthogonal frequency division multiplexing (OFDM)
    • Principles of OFDM
    • OFDM implementation methods
    • Cyclic prefix
    • Channel estimation
    • Frequency diversity
    • Selection of OFDM parameters
    • OFDM as a multiple-access scheme
  • Wideband single carrier transmission
    • Equalization against frequency selective fading
    • Discrete Fourier transform (DFT) spread OFDM
  • Multiple input multiple output (MIMO) methods
    • Benefits of MIMO
    • Multiple receive antennas
    • Multiple transmit antennas
    • Spatial multiplexing
  • Scheduling, link adaptation, and hybrid automatic repeat request (HARQ)
    • Power and data rate control
    • Channel dependent scheduling
    • Advanced retransmission schemes using HARQ

(Day 2)

Part 4: Physical Layer for Downlink

  • Orthogonal frequency division multiple access (OFDMA)
    • OFDM signal structure in LTE
    • OFDM performance
    • OFDMA methods for LTE
  • Synchronization and cell search
    • Synchronization sequences and cell search in LTE
    • Coherent and non-coherent detection
  • Reference signals (RS) and channel estimation
    • LTE RS design
    • Frequency domain channel modeling and estimation
    • Time domain channel modeling and estimation
  • Downlink physical data and control channels
    • Downlink data transporting channels
    • Downlink control channels
  • Channel coding and link adaptation
    • Link adaptation and feedback
    • Channel coding for data and control channels
  • Multiple access
    • Multiple antennas
    • Multiple-input multiple-output (MIMO) in LTE
  • Multi-user scheduling and interference mitigation
    • Resource allocation strategies
    • Scheduling algorithms
    • Interference coordination and frequency reuse in LTE
  • Radio resource management
    • User equipment (UE) mobility activities
    • Cell search
    • Measurements when connected to the LTE system
    • Neighbor cell monitoring and cell reselection
    • Handover techniques
  • Broadcast operations
    • Broadcast modes
    • Multimedia broadcast and multicast service (MBMS) in LTE
    • UE capabilities for MBMS reception and processing
    • Mobile broadcast modes

Part 5: Physical Layer for Uplink

  • Single-carrier frequency-division multiple-access (SC-FDMA)
    • SC-FDMA signal structure for LTE
    • SC-FDMA signal generation
    • Transmit processing for LTE
  • Uplink reference signals (RS)
    • RS sequence generation
    • Sequence group hopping and planning
    • Demodulation reference signals
    • Uplink sounding reference signals
  • Uplink physical channel structure
    • Uplink data channels
    • Uplink control channels
    • Multiplexing of control signaling
    • Multiple access techniques
  • Uplink capacity and coverage
    • Factors affecting capacity and their evaluation
    • LTE uplink coverage and link budget
  • Random access on the uplink
    • Random access procedures
    • Random access channel design and implementation
    • Time division duplex (TDD) random access channel
  • Uplink transmission procedures
    • Uplink timing control
    • Uplink power control

(Day 3)

Part 6: Antennas for LTE

  • Basic antenna characteristics
    • Effective isotropic radiated power
    • Polarization
    • Directivity and gain
  • Antenna types and selection
    • Transmit and receive antennas
    • Downtilt
    • Sectoring antennas
  • Advanced antennas for base stations
    • Receive and transmit diversity
    • Beamtilt
    • Modular high-gain antennas
    • Higher order sectorization
    • Fixed and steerable array antennas
  • Performance assessment factors
    • Capacity, coverage, and quality-of-service
    • Cell count estimation and simulation
    • Directional antennas and signal interception

Part 7: Spectrum Management

  • Spectrum allocation for 3G technologies
    • Bandwidths and channel spacing
  • Duplex modes
    • TDD, FDD, and HD-FDD
  • Interference in unpaired spectrum
    • Adjacent carrier interference
  • Half-duplex system design
    • Transmit/receive switching
    • Coexistence with other systems
    • HD-FDD operations
  • Reciprocity
    • Conditions for reciprocity
    • Applications of reciprocity

Part 8: LTE Today and Tomorrow

  • Status of LTE Deployments
    • Technology comparison with WiMAX
    • Status of major carrier commitments
  • Overview of LTE-Advanced
    • Fundamental requirements
    • Technical components
  • Course Wrap-up: Recap and Discussion

 

 

Exit mobile version