MATLAB & Simulink

SIGNAL PROCESSING AND COMMUNICATIONS

Designing LTE and LTE Advanced Physical Layer Systems with MATLAB

Course Highlights

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

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  • 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

Prerequisite

Attended "Comprehensive MATLAB" or working experience with MATLAB and knowledge of wireless communications system.

Partners 

Upcoming Program

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Course Outline

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

  • Requirement

  • 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.

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  • 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.

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  • LTE generic frame structure

  • Downlink and uplink slot formats

  • Resource elements and resource blocks

  • Downlink OFDM symbol construction

  • Uplink SC-FDMA symbols construction

  • LTE downlink resouce capacity

Day 2 of 3

Procedures

 

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

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  • 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, beamfoarming, and spatial multiplexing. Learn about singular value decomposition as the solution to generic MIMO.

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  • Spectral efficiency and capacity

  • Transmit and recieve diversity

  • The Alamouti Scheme

  • Delay Diversity and Cyclic Delay Diversity

  • Beamfoarming

  • Spatial multiplexing

  • Singular value decompostion

  • 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.

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  • Downlink physical channel processing chain

  • Codewords and layers

  • Scrambling and modulation

  • Transmission schemes

  • Diversity, spatal multiplexing, and beamfoaming

  • 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.

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  • Codewords to layers mapping

  • Precording for spatial multiplexing

  • Precoding for transmit diversity

  • Beamfoaming 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.

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  • 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.

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  • 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.

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  • 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.

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  • IMT- Advanced Tehcnologies

  • Carrier aggregation

  • Uplink spatial multiplexing

  • Spatial Orthogonal Resource Transmit Diversity

  • Downlink enhanced MIMO

  • CSI reference signals