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RF Component Modeling

Behavioral RF radio modeling and impairment correction

Apply RF impairments and corrections. Model RF front-end designs containing amplifiers, mixers, and digital predistortion (DPD).

Apps

Wireless Waveform GeneratorCreate, impair, visualize, and export modulated waveforms

Functions

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fsplFree space path loss
iqimbalApply I/Q imbalance to input signal
iqcoef2imbalConvert compensator coefficient to amplitude and phase imbalance
iqimbal2coefConvert I/Q imbalance to compensator coefficient
plotPhaseNoiseFilterPlot response of phase noise filter block

Objects

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comm.MemorylessNonlinearityApply memoryless nonlinearity to complex baseband signal
comm.PhaseFrequencyOffsetApply phase and frequency offsets to input signal
comm.PhaseNoiseApply phase noise to baseband signal
comm.ThermalNoiseAdd thermal noise to signal
comm.AGCAdaptively adjust gain for constant signal level output
comm.CoarseFrequencyCompensatorCompensate for frequency offset for PAM, PSK, or QAM
dsp.DCBlockerBlock DC component (offset) from input signal
comm.DPDDigital predistorter
comm.DPDCoefficientEstimatorEstimate memory-polynomial coefficients for digital predistortion
comm.IQImbalanceCompensatorCompensate for I/Q imbalance

Blocks

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Amplifier (Idealized Baseband)Complex baseband model of amplifier with noise and nonlinearities
I/Q ImbalanceApply I/Q imbalances to complex signal
Amplifier (Idealized Baseband)Complex baseband model of amplifier with noise and nonlinearities
Memoryless NonlinearityApply memoryless nonlinearity to complex baseband signal
Phase/Frequency OffsetApply phase and frequency offsets to complex baseband signal
Phase NoiseApply receiver phase noise to complex baseband signal
Free Space Path LossApply free space path loss to complex signal
Receiver Thermal NoiseApply receiver thermal noise to complex signal
Complex Phase DifferencePhase difference between two complex signals
Complex Phase ShiftApply complex phase shift to complex signal
AGCAdaptively adjust gain for constant signal-level output
Coarse Frequency CompensatorCompensate for carrier frequency offset for PAM, PSK, or QAM
DC BlockerBlock DC component
DPDDigital predistorter
DPD Coefficient EstimatorEstimate memory-polynomial coefficients for digital predistortion
I/Q Compensator Coefficient to ImbalanceConvert compensator coefficient into amplitude and phase imbalance
I/Q Imbalance Compensator Compensate for imbalance between in-phase and quadrature components
I/Q Imbalance to Compensator CoefficientConverts amplitude and phase imbalance into I/Q compensator coefficient
Complex Phase DifferencePhase difference between two complex signals
Complex Phase ShiftApply complex phase shift to complex signal

Topics

Visualize RF Impairments

Apply various RF impairments to a QAM signal.

Featured Examples