粗载波频偏估计(coarse CFO(carrier frequency offset) estimation) 尽管我们希望发射机与接收机产生的载波频率是相同的,但是载波频率还是会因振荡器固有的物理特性不同而难以保持一致,使用 fc与fc′ 分别表示发射机与接收机的载波频率,则载波频偏可以表示为: Δf表示子载波间隔(20MHz16=1250KHz,估计范围 ±625KHz)...
For more information on changing property values, seeSystem Design in MATLAB Using System Objects. Modulation—Modulation type 'QAM'(default) |'8PSK'|'BPSK'|'OQPSK'|'PAM'|'QPSK' Algorithm—Algorithm used to estimate frequency offset 'FFT-based'(default) |'Correlation-based' ...
pfOffset = comm.PhaseFrequencyOffset('SampleRate',20e6,'FrequencyOffset',2000); rxSig = pfOffset(txSig); Extract the L-STF. Get ind = wlanFieldIndices(nht,'L-STF'); rxLSTF = rxSig(ind(1):ind(2),:); Estimate the frequency offset from the L-STF. Get freqOffsetEst = wlanCoa...
Time domain characteristics and spectral plots of DPWM signals have been generated using Matlab® tools. Basic parameters of the sub-DPWM circuit converting 4 LSBs have been simulated using Spectre and BSIM3V3 device models for UMC180 CMOS technology. A Linearized Class-AD Double-sided (LADD) ...
For more information on changing property values, seeSystem Design in MATLAB Using System Objects. Modulation—Modulation type 'QAM'(default) |'8PSK'|'BPSK'|'OQPSK'|'PAM'|'QPSK' Algorithm—Algorithm used to estimate frequency offset 'FFT-based'(default) |'Correlation-based' ...
For more information on changing property values, see System Design in MATLAB Using System Objects. Modulation— Modulation type 'QAM' (default) | '8PSK' | 'BPSK' | 'OQPSK' | 'PAM' | 'QPSK' Algorithm— Algorithm used to estimate frequency offset 'FFT-based' (default) | 'Correlation-bas...
Generate C and C++ code using MATLAB® Coder™. Version History Introduced in R2015b expand all R2024b:Process oversampled waveforms See Also wlanFineCFOEstimate|comm.PhaseFrequencyOffset|wlanLSTF Topics Synchronize and Demodulate Oversampled Waveform ...