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.

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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