End-to-End Simulation

Link-level BLER simulation with 5G NR clustered delay line (CDL), tapped delay line (TDL), and high-speed train (HST) channel models

Use 5G Toolbox™ System objects to model multi-input multi-output (MIMO) channels such as fading channels with different delay profiles and high-speed train (HST) propagation channels. The featured examples on this page show various link-level block error rate (BLER) simulations with TDL and CDL channel models.

Objects

`nrCDLChannel`	Send signal through CDL channel model
`nrTDLChannel`	Send signal through TDL channel model
`nrHSTChannel`	Send signal through HST channel model

Functions

`getPathFilters`	Get path filter impulse response for link-level MIMO channel
`info`	Characteristic information of link-level MIMO channel
`displayChannel`	Visualize and explore CDL channel model characteristics
`swapTransmitAndReceive`	Reverse link direction in CDL channel model
`swapTransmitAndReceive`	Reverse link direction in TDL channel model
`nrPathLossConfig`	Path loss configuration parameters
`nrPathLoss`	Path loss and shadow fading between BS and UE

Topics

Model 5G NR Communication Links

Learn how to model 5G NR communication links.
Transmission Over MIMO Channel Model with Delay Profile TDL
Display the waveform spectrum received through a TDL MIMO channel.
SNR Definition Used in Link Simulations
Learn how 5G Toolbox defines the signal-to-noise ratio (SNR) in link simulations that use AWGN.
Plot Path Gains for TDL-E Delay Profile with SISO
Plot the path gains of a TDL single-input single-output (SISO) channel.
Reconstruct Channel Impulse Response Using CDL Channel Path Filters
Reconstruct the channel impulse response and estimate timing offset using path filters of a CDL channel model.
Visualize CDL Channel Model Characteristics
Visualize CDL channel characteristics and explore channel information about the antenna element, element pattern, and cluster paths.

Featured Examples

NR PDSCH Throughput

Measure PDSCH throughput of the 5G NR downlink.

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NR PUSCH Throughput

Measure PUSCH throughput of the 5G NR uplink.

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NR PUCCH Block Error Rate

Measure BLER of uplink control information (UCI) transmitted on physical uplink control channel (PUCCH) in a 5G NR link.

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TDD Reciprocity-Based PDSCH MU-MIMO Using SRS

Implement downlink MU-MIMO by exploiting channel reciprocity in a TDD scenario.

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NR PDSCH Throughput Using Channel State Information Feedback

Measure the PDSCH throughput of a 5G NR adaptive link that adjusts the MCS, precoding matrix, and number of layers based on the CSI feedback.

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5G NR PRACH Detection and False Alarm Test

Measure the probability of correct detection of the PRACH preamble in the presence of a preamble signal.

Open Script

NR Uplink Channel State Information Estimation Using SRS

Use sounding reference signals (SRS) for synchronization, channel estimation, and uplink channel state information (CSI) estimation.

Open Script

NR SSB Beam Sweeping

Employ beam sweeping at gNB and UE and learn about beam management procedures during initial access.

Open Script

NR Downlink Transmit-End Beam Refinement Using CSI-RS

Transmit multiple CSI-RS resources in different directions in a scattering environment and select the optimal transmit beam based on RSRP.

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NR Phase Noise Modeling and Compensation

Analyze the impact of phase noise in a 5G OFDM system and use PT-RS in compensating the CPE.

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5G NR Downlink CSI Reporting

Calculate and compare the CSI (CQI, PMI, and RI) parameters using CSI-RS with practical and perfect channel estimation.

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CSI Feedback with Autoencoders

Compress CSI feedback using an autoencoder neural network in a 5G NR communications system.

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CDL Channel Model Customization with Ray Tracing

Customize CDL channel model parameters by using the output of ray tracing analysis.

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Include Path Loss in NR Link-Level Simulations

Analyze the performance impact of path loss, transmit power, and receive noise in 5G NR link-level simulations.

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