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Synchronization and Receiver Design

Carrier frequency and phase recovery, timing estimate, timing frequency and phase recovery, AGC, I/Q imbalance compensation, and phase-locked loops

Model and simulate front-end receiver and synchronization components, including AGC, I/Q imbalance correction, DC blocking, and timing and carrier synchronization.


iqcoef2imbalConvert compensator coefficient to amplitude and phase imbalance
iqimbal2coefConvert I/Q imbalance to compensator coefficient
channelDelayChannel timing delay (Since R2020a)
ofdmChannelResponseCalculate OFDM channel response (Since R2023a)
timingEstimateEstimate timing offset for communication signals (Since R2024a)


comm.AGCAdaptively adjust gain for constant signal level output
comm.CarrierSynchronizerCompensate for carrier frequency offset
comm.SymbolSynchronizerCorrect symbol timing clock skew
comm.PreambleDetectorDetect preamble in data
comm.CoarseFrequencyCompensatorCompensate for frequency offset of PAM, PSK, or QAM signal
comm.IQImbalanceCompensatorCompensate for IQ imbalance
comm.DiscreteTimeVCOGenerate variable frequency sinusoid
comm.GMSKTimingSynchronizerRecover symbol timing phase using fourth-order nonlinearity method
comm.MSKTimingSynchronizerRecover symbol timing phase using fourth-order nonlinearity method


AGCAdaptively adjust gain for constant signal-level output
Carrier SynchronizerCompensate for carrier frequency offset
Symbol SynchronizerCorrect symbol timing clock skew
Preamble DetectorDetect preamble in data packet
Coarse Frequency CompensatorCompensate for carrier frequency offset in PAM, PSK, or QAM
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
MSK-Type Signal Timing RecoveryRecover symbol timing phase using fourth-order nonlinearity method
OFDM Channel ResponseCalculate OFDM channel response (Since R2023a)