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recursive fft function- return if function
Hi Liron, It looks like your recursive FFT function is almost correct, but it's currently appending extra values at the end ...

거의 2년 전 | 0

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Performance Measures - Comparing measurement data with simulation data
Hi Ali, I am assuming you want to perform mathematical operations on data that share the same timestamps. To accomplish this...

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The N-Point Moving Average (MA) Filter
Hello, I see that you're working on implementing an N-point moving average filter in MATLAB and are encountering a couple of is...

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Why N point FFT of a under-sampled signal in time domain is worse than only a N point FFT of the time domain signal (Not resampled)
Hi Tworit, It is my understanding that you are trying to discern why an N-point FFT of an undersampled signal yields worse ...

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16-QAM constilation
Hi Vikas, For generating 16-QAM symbols for a 2x2 MIMO system with equal probability using the rand function in MATLAB, you can...

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Why 'Port width mismatch' error occurred?
Hi Patryk, It seems there might be a small typo in your function block. The correct function name is atan2d, not 'atand2'. Afte...

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OFDM system with channel estimation code error in modulate
Hi albin, The issue you're encountering with the modulate function is due to an incorrect number of input parameters. The modul...

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Is my LDPC BER curve right?
Hi Rishi, From the figures you've provided, it looks like the BER is quite low for SNR values of 0 and 1 dB, falling below . Si...

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A signal has the information of two different freqency. How to distinguish betwwen these two frequencis?
Hi Tasin, I understand that you are trying to isolate the amplitude and phase of two closely spaced frequencies within a receiv...

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CSI of the guard-band subcarrier in 5G channel
Hi Abdelwahab, I see that you're seeking clarification on how the number of subcarriers is determined, specifically ...

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cwt and wcoherence different periods
Hi Elif, You've noticed a difference in the period values when comparing the results from the continuous wavelet transform; cwt...

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How to get the complex-valued impulse response coefficients from comm.RayleighChannel
Hi Imran, To obtain the complex impulse response coefficients of a multipath Rayleigh fading channel, you can pass a impulse si...

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The outage probability that the recieve SNR is greater than SNR_{th}
Hi A_SD, It is my understanding that you want to calculate the outage probability () of 10 users when minimum rate () is grea...

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compute energy and running correlation
Hi Michael, You can perform the operations/calculations you mentioned using the following MATLAB functions: 1. xcorr - to ...

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Feedforward equalizer (FFE) MMSE vs ZF: I get ZF performs better than MMSE, why is that?
Hello Zonghao Li, In your simulation, the Zero Forcing (ZF) equalizer seems to surpass the Minimum Mean Square Error (MMSE)...

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How do I interpret path loss outputs for raytracing signal propagation environments?
Hi Alex, The 1x2 cell array returned by the 'pathloss' function is a result of having two transmitters (tx1 and tx2)...

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How do I get my simulation line to follow the theory curve?
Hello Pierre, It appears that there is a discrepancy between the simulated and theoretical values of the Bit Error Rate (BE...

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To find FFT, lowppass, rms, psd, ps and peak plot them
Hello Solleti, I understand you want to analyze the data in "example.txt" for column-wise Fast Fourier Transform (FFT), pow...

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Why the calculated RSRP is greater than zero in matlab 5G example
Hello chengyi zhou, I see that you're puzzled by the RSRP values being greater than zero in the MATLAB examples you mention...

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Why does SER calculated for higher SNR becomes zero?
Hi Jay, Based on your observations in the NOMA system simulation, the SER for user one (U1) dropping to zero before user tw...

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what is the difference between the normxcorr2 and the below processing?
Hello N Saf, I see that you're interested in calculating correlation coefficients in MATLAB. You can accomplish this in a coupl...

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Too many input arguments for RMS - sudden issue
Hi Erik, I understand that the 'rms' function is unexpectedly generating an "too many input arguments" error with an input ...

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OFDM Transmitter and Receiver using QPSK Modulation
Hi Lincoln, I understand that you're facing an issue where the Bit Error Rate (BER) in your simulation does not decrease ...

대략 2년 전 | 1

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Identifying round objects and calculate the radius
Hello Wissem-Eddine, I understand you're encountering an error related to the data type of 'H_custom' when using it in a lo...

대략 2년 전 | 0

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How to do equalization when a frequency-selective channel has been created using comm.RayleighChannel
Hello Imran, It seems you are interested in performing equalization using the "PathGains" matrix obtained from the ‘...

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How to increase MATLAB corrplot co-efficient precision ?
Hi Nadatimuj, I understand that you want to increase the font size and precision of coefficients in MALAB ‘corrplot’. ...

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How to make such a colorbar for bivariate analysis as shown in the attached figure below?
Hello Abhishek, I understand that you want to create a 2D colorbar for bivariate analysis as shown in the figure. Refer to...

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How to add white noise to ARX model
Hi Tarek, I understand that you want to add white noise to your model. The ‘awgn’ function in the Communications Toolbox can...

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Getting PathDelays in nrCDLChannel
Hi Riccardo I understand that you want to calculate values of all path delays, not just the average path gains in the CDL C...

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LDPC encoder/decoder with a rate of 1/3 and a length of the code being less than 10,000 bits?
Hello R. R. It is my understanding that you want to encode a LDPC code with a rate of 1/3 and a length of less than 10,000...

대략 2년 전 | 2