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Synchronisation et design du récepteur

Reconstruction de fréquence et de phase de la porteuse, estimation du timing, reconstruction de fréquence et de phase du timing, AGC, compensation du déséquilibre I/Q et boucles à verrouillage de phase

Modélisez et simulez un récepteur et les composants de synchronisation comme l’AGC, la correction du déséquilibre I/Q, le blocage DC et la synchronisation du timing et de la porteuse.

Fonctions

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

Objets

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

Blocs

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 (depuis R2023a)

Rubriques

MATLAB

Simulink