MATLAB and Simulink Training

Designing LTE and LTE Advanced Physical Layer Systems with MATLAB

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Course Details

This three-day course provides an overview of the LTE and LTE-Advanced physical layer. Using MATLAB®, and LTE Toolbox™, attendees will learn how to generate reference LTE waveforms and build and simulate an end-to-end LTE PHY model.

Topics include:

  • Review of the advanced communications techniques forming the core of an LTE system: OFDMA and SC-FDMA multi-carrier techniques, and MIMO multi-antenna systems
  • Descriptions of all of the signals and elements of the processing chain for the uplink and downlink LTE physical channels
  • Methods for golden reference verification with the standard

Day 1 of 3


Introduction to 3GPP Long Term Evolution

Objective: Provide an introduction to the LTE standard and its relationship to other 3GPP standards. Understand general requirements and objectives for LTE. Get an overview of different protocol layers within LTE.

  • 3GPP evolution from R5 to R11
  • Requirements
  • Spectrum flexibility
  • General characteristics
  • Multi-user scheduling
  • Resource allocation
  • Frequency reuse planning

OFDM Theory Review

Objective: Understand the basics of OFDM modulation, cyclic prefix insertion, and windowing.

  • Motivation for multi-carrier vs single-carrier
  • Introduction to OFDM
  • Generation of OFDM symbols using the IFFT
  • Cyclic prefix (guard interval)
  • Windowing to reduce out of band emissions
  • Advantages and disadvantages of OFDM

LTE Frames, Slots and Resources

Objective: Understand the concepts of frames, subframes, slots, and physical resource grids in LTE downlink and uplink.

  • LTE generic frame structure
  • Downlink and uplink slot formats
  • Resource elements and resource blocks
  • Downlink OFDM symbol construction
  • Uplink SC-FDMA symbol construction
  • LTE downlink resource capacity

Day 2 of 3


Procedures

Objective: Understand different physical layer procedures for both downlink and uplink specified in LTE.

  • Cell search
  • Cell identities in cell search
  • Symbol synchronization
  • Frame and cell synchronization
  • System information acquisition: MIBs and SIBs
  • Timing synchronization procedures
  • Uplink power control

MIMO Background

Objective: Understand different MIMO techniques namely diversity, beamforming, and spatial multiplexing. Learn about singular value decomposition as the solution to the generic MIMO problem.

  • Spectral efficiency and capacity
  • Transmit and receive diversity
  • The Alamouti Scheme
  • Delay Diversity and Cyclic Delay Diversity
  • Beamforming
  • Spatial multiplexing
  • Singular value decomposition
  • Equalizing, predistortion, precoding, and combining

LTE Downlink Physical Layer Modulation

Objective: Understand processing elements for different downlink physical channels and downlink physical signals. Learn about resource grid and control channel element.

  • Downlink physical channel processing chain
  • Codewords and layers
  • Scrambling and modulation
  • Transmission schemes
  • Diversity, spatial multiplexing, and beamforming
  • Synchronization signals: PSS and SSS
  • Reference signals: cell and UE specific, MBSFN
  • Downlink physical channels: PBCH, PCFICH, PDSCH, and PDCCH
  • Control region
  • REGs and CCEs, PDCCH search spaces
  • Resource grid mapping

MIMO in LTE R8

Objective: Learn different MIMO techniques specified in the LTE standard.

  • Codewords to layers mapping
  • Precoding for spatial multiplexing
  • Precoding for transmit diversity
  • Beamforming in LTE
  • Cyclic Delay Diversity-based precoding
  • Precoding codebooks

Day 3 of 3


LTE Multiplexing and Channel Coding

Objective: Understand the coding, multiplexing, and mapping to physical channels for all transport channels in downlink and uplink.

  • Transport channels and control information: DL-SCH, PCH, BCH, DCI, CFI, HI, UL-SCH, and UCI
  • Mapping of transport channels to physical channels
  • CRC coding and masking
  • Code block segmentation
  • Convolutional and turbo coding
  • Rate matching, bit selection and pruning
  • Transport channels and control information processing chains
  • HARQ: incremental redundancy, stop-and-wait

LTE Uplink Physical Layer Modulation

Objective: Understand processing elements for different uplink physical channels and uplink physical signals.

  • Uplink physical channel processing chain
  • Scrambling and modulation
  • SC-FDMA review
  • Uplink Reference signals: DRS and SRS
  • Uplink physical channels: PUSCH, PUCCH, and PRACH
  • Control information: CQI, RI, PMI, HI, and SR
  • Control signaling on PUSCH and PUCCH
  • PUCCH formats
  • Uplink physical channels and physical signals

LTE Release 9

Objective: Learn about new features introduced in LTE Release 9.

  • Release 9 features
  • MBMS support
  • Home eNodeB
  • Positioning support
  • Transmission schemes

LTE Advanced – Release 10

Objective: Learn about new features introduced in LTE Release 10.

  • IMT-Advanced Technologies
  • Carrier aggregation
  • Uplink spatial multiplexing
  • Spatial Orthogonal Resource Transmit Diversity
  • Downlink enhanced MIMO
  • CSI reference signals

Level: Advanced

Prerequisites:

Duration: 3 days

Languages: English

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