Test and Measurement

Waveform generation, visualization, and transmitter performance analysis

WLAN Toolbox™ provides functions that let you measure transmitter performance characteristics. The examples featured here demonstrate transmitter modeling and performance analysis. Communications Toolbox™ and DSP System Toolbox™ System objects provide additional quantitative tools for measuring system performance, and graphical utilities for visualizing waveforms.

Apps

WLAN Waveform Generator

Create, impair, visualize, and export WLAN waveforms

Blocks

Waveform From Wireless Waveform Generator App

Wireless waveform source exported to Simulink

Functions

`wlanWaveformGenerator`	Generate WLAN waveform
`wlanReferenceSymbols`	Find reference symbols of constellation diagram
`wlanClosestReferenceSymbol`	Find closest constellation points
`wlanChannelFrequency`	Determine channel center frequency
`wlanSpectralFlatness`	Test spectral flatness

Objects

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Visualization

`comm.ConstellationDiagram`	Display and analyze input signals in IQ-plane
`spectrumAnalyzer`	Display frequency spectrum of time-domain signals
`timescope`	Display time-domain signals
`dsp.ArrayPlot`	Display vectors or arrays

Measurements

`comm.ErrorRate`	Compute bit or symbol error rate of input data
`comm.EVM`	Measure error vector magnitude (EVM) of received signal

Topics

WLAN Radio Frequency Channels
This example describes WLAN radio frequency channel designations and shows how to calculate the channel center frequency in accordance with IEEE® 802.11™ specifications.
802.11 OFDM Beacon Frame Generation and Transmission with Test and Measurement Equipment (Instrument Control Toolbox)
This example shows how to generate packets containing MAC beacon frames suitable for baseband simulation or over-the-air transmission using WLAN Toolbox™ software, Instrument Control Toolbox™ software, and Keysight Technologies™ RF signal generator.
Generate Wireless Waveform in Simulink Using App-Generated Block
This example shows how to configure and use the block that is generated using the Export to Simulink capability that is available in the Wireless Waveform Generator app.

Featured Examples

802.11be Transmitter Measurements

Generate and analyze IEEE^® 802.11be™ single-user waveforms.

Open Live Script

Recover and Analyze Packets in 802.11 Waveform

Blindly detect, decode, and analyze IEEE 802.11™ packets in a waveform.

Open Live Script

802.11ba WUR Waveform Generation and Analysis

Generate and analyze IEEE 802.11ba™ waveforms.

Open Script

Modeling and Testing an 802.11ax RF Receiver with 5G Interference

Characterize the impact of RF impairments on the RF reception of an IEEE 802.11ax™ waveform coexisting with an adjacent 5G or 802.11ax interferer.

Open Model

Modeling and Testing an 802.11ax RF Transmitter

Characterize the impact of RF impairments in an 802.11ax transmitter. The example generates a baseband IEEE® 802.11ax™ waveform by using WLAN Toolbox™ and models the RF transmitter by using RF Blockset™.

Open Model