RF 성분 모델링

RF 성분 동작 모델링 및 손상 보정

RF 손상 및 보정을 적용합니다. 증폭기, 믹서 및 디지털 전치왜곡(DPD)을 포함하는 RF 프론트엔드 설계를 모델링합니다.

앱

무선 파형 생성기변조된 파형을 생성, 손상 추가, 시각화 및 내보내기

함수

모두 확장

fspl자유 공간 경로 손실
frequencyOffset입력 신호에 주파수 오프셋 적용 (R2022a 이후)
iqimbalApply I/Q imbalance to input signal
iqcoef2imbalConvert compensator coefficient to amplitude and phase imbalance
iqimbal2coefConvert I/Q imbalance to compensator coefficient
srmdelayCompute delay introduced by Sample-Rate Match block (R2022b 이후)
plotPhaseNoiseFilterPlot response of phase noise filter block

객체

모두 확장

comm.MemorylessNonlinearityApply memoryless nonlinearity to complex baseband signal
comm.MultibandCombinerFrequency-shift and combine signals (R2021b 이후)
comm.PhaseFrequencyOffsetApply phase and frequency offsets to input signal
comm.PhaseNoiseApply phase noise to baseband signal
comm.SampleRateOffsetApply sample rate offset to signal (R2021b 이후)
comm.ThermalNoiseAdd thermal noise to signal
comm.AGCAdaptively adjust gain for constant signal level output
comm.CoarseFrequencyCompensatorCompensate for frequency offset of PAM, PSK, or QAM signal
dsp.DCBlocker입력 신호에서 DC 성분(오프셋) 차단
comm.DPDDigital predistorter
comm.DPDCoefficientEstimatorEstimate memory-polynomial coefficients for digital predistortion
comm.IQImbalanceCompensatorCompensate for IQ imbalance

블록

모두 확장

Complex Phase DifferencePhase difference between two complex signals
Complex Phase Shift복소 신호에 복소 위상 변위 적용
Free Space Path LossApply free space path loss to complex signal
I/Q ImbalanceApply I/Q imbalances to complex signal
Memoryless NonlinearityApply amplifier models to complex baseband signal
Multiband CombinerFrequency-shift and combine signals (R2021b 이후)
Phase/Frequency OffsetApply phase and frequency offsets to complex baseband signal
Phase NoiseApply receiver phase noise to complex baseband signal
Receiver Thermal NoiseApply receiver thermal noise to complex signal
Sample-Rate MatchUpsample two signals to common rate (R2022b 이후)
Sample Rate OffsetApply sample rate offset to input signal (R2022b 이후)
AGCAdaptively adjust gain for constant signal-level output
Coarse Frequency CompensatorCompensate for carrier frequency offset in 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 Shift복소 신호에 복소 위상 변위 적용

도움말 항목

추천 예제

ACS Test Waveform Generation for 5G NR Receiver Testing

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.

(5G Toolbox)

  • R2024b 이후
Simulate and Verify Power Amplifier Backoff

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

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

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

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

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

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

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

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

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 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).