RF Component Modeling
R2026bApply RF impairments and corrections. Model RF front-end designs containing amplifiers, mixers, and digital predistortion (DPD).
Apps
| Wireless Waveform Generator | Create, impair, visualize, and export modulated waveforms |
Functions
Objects
Blocks
 | Complex Phase Difference | Phase difference between two complex signals |
 | Complex Phase Shift | Apply complex phase shift to complex signal |
 | Free Space Path Loss | Apply free space path loss to complex signal |
 | I/Q Imbalance | Apply I/Q imbalances to complex signal |
 | Memoryless Nonlinearity | Apply amplifier models to complex baseband signal |
 | Multiband Combiner | Frequency-shift and combine signals |
 | Phase/Frequency Offset | Apply phase and frequency offsets to complex baseband signal |
 | Phase Noise | Apply receiver phase noise to complex baseband signal |
 | Receiver Thermal Noise | Apply receiver thermal noise to complex signal |
 | Sample-Rate Match | Upsample two signals to common rate (Since R2022b) |
 | Sample Rate Offset | Apply sample rate offset to input signal (Since R2022b) |
 | AGC | Adaptively adjust gain for constant signal-level output |
 | Coarse Frequency Compensator | Compensate for carrier frequency offset in PAM, PSK, or QAM |
 | DC Blocker | Block DC component |
 | DPD | Digital predistorter |
 | DPD Coefficient Estimator | Estimate memory-polynomial coefficients for digital predistortion |
 | I/Q Compensator Coefficient to Imbalance | Convert 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 Coefficient | Converts amplitude and phase imbalance into I/Q compensator coefficient |
| Complex Phase Difference | Phase difference between two complex signals |
| Complex Phase Shift | Apply complex phase shift to complex signal |
Topics
- Top-Down Design of RF Receiver
Design an RF receiver for a ZigBee®-like application using a top-down methodology.
- Visualize RF Impairments
Apply various RF impairments to a QAM signal.
Featured Examples
ACS Test Waveform Generation for 5G NR Receiver Testing
Generate waveform for ACS receiver test, as defined in TS 38.141-1, Section 7.4.1.
Simulate and Verify Power Amplifier Backoff
Use backoff to scale a signal prior to inputting it to a table-based power amplifier.
RF Noise Modeling
Use the RF Blockset™ Circuit Envelope library to simulate noise and calculate noise power.
Impact of Thermal Noise on Communication System Performance
Use the RF Blockset Circuit Envelope library to model thermal noise in a super-heterodyne RF receiver and measure its effects on a communications system noise figure (NF) and bit error rate (BER).
Architectural Design of a Low IF Receiver System
Use the RF Blockset Circuit Envelope library to simulate the performance of a Low IF architecture with RF impairments.
Adjacent and Co-Channel Interference
Use PSK-modulated signals to show the effects of adjacent and co-channel interference on a transmitted signal.
OSTBC Transmission with Antenna Coupling
Simulate the effects of antenna mutual coupling on the performance of an orthogonal space-time block code (OSTBC) transmission over a multiple-input multiple-output (MIMO) channel.
Power Amplifier Characterization
Characterize a power amplifier using measured input and output signals of an NXP Airfast PA.
Digital Predistortion to Compensate for Power Amplifier Nonlinearities
Use digital predistortion (DPD) in a transmitter to offset the effects of nonlinearities in a power amplifier.
Impact of RF Effects on Communication System Performance
Model thermal noise, phase noise, and nonlinearity impairments of an RF transceiver in Simulink®.
Effect of a High-Power Interferer on ADC Performance
Effect of a high-power in-band or out-of-band interferer on the performance of a communications system with an analog-to-digital converter (ADC).
